Relevant bibliographies by topics / Neuropeptides

Academic literature on the topic 'Neuropeptides'

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Published: 4 June 2021
Last updated: 24 August 2024

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Journal articles on the topic "Neuropeptides"

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Veenstra, Jan A. "Similarities between decapod and insect neuropeptidomes." PeerJ 4 (May 26, 2016): e2043. http://dx.doi.org/10.7717/peerj.2043.

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Background.Neuropeptides are important regulators of physiological processes and behavior. Although they tend to be generally well conserved, recent results using trancriptome sequencing on decapod crustaceans give the impression of significant differences between species, raising the question whether such differences are real or artefacts.Methods.The BLAST+ program was used to find short reads coding neuropeptides and neurohormons in publicly available short read archives. Such reads were then used to find similar reads in the same archives, and the DNA assembly program Trinity was employed to construct contigs encoding the neuropeptide precursors as completely as possible.Results.The seven decapod species analyzed in this fashion, the crabsEriocheir sinensis, Carcinus maenasandScylla paramamosain, the shrimpLitopenaeus vannamei, the lobsterHomarus americanus, the fresh water prawnMacrobrachium rosenbergiiand the crayfishProcambarus clarkiihad remarkably similar neuropeptidomes. Although some neuropeptide precursors could not be assembled, in many cases individual reads pertaining to the missing precursors show unambiguously that these neuropeptides are present in these species. In other cases, the tissues that express those neuropeptides were not used in the construction of the cDNA libraries. One novel neuropeptide was identified: elongated PDH (pigment dispersing hormone), a variation on PDH that has a two-amino-acid insertion in its core sequence. Hyrg is another peptide that is ubiquitously present in decapods and is likely a novel neuropeptide precursor.Discussion.Many insect species have lost one or more neuropeptide genes, but apart from elongated PDH and hyrg all other decapod neuropeptides are present in at least some insect species, and allatotropin is the only insect neuropeptide missing from decapods. This strong similarity between insect and decapod neuropeptidomes makes it possible to predict the receptors for decapod neuropeptides that have been deorphanized in insects. This includes the androgenic insulin-like peptide that seems to be homologous to drosophila insulin-like peptide 8.
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Veenstra, Jan A. "Coleoptera genome and transcriptome sequences reveal numerous differences in neuropeptide signaling between species." PeerJ 7 (June 17, 2019): e7144. http://dx.doi.org/10.7717/peerj.7144.

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Background Insect neuropeptides are interesting for the potential their receptors hold as plausible targets for a novel generation of pesticides. Neuropeptide genes have been identified in a number of different species belonging to a variety of insects. Results suggest significant neuropeptide variation between different orders, but much less is known of neuropeptidome variability within an insect order. I therefore compared the neuropeptidomes of a number of Coleoptera. Methodology Publicly available genome sequences, transcriptomes and the original sequence data in the form of short sequence read archives were analyzed for the presence or absence of genes coding neuropeptides as well as some neuropeptide receptors in seventeen beetle species. Results Significant differences exist between the Coleoptera analyzed here, while many neuropeptides that were previously characterized from Tribolium castaneum appear very similar in all species, some are not and others are lacking in one or more species. On the other hand, leucokinin, which was presumed to be universally absent from Coleoptera, is still present in non-Polyphaga beetles. Conclusion The variability in neuropeptidome composition between species from the same insect order may be as large as the one that exists between species from different orders.
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Pidsudko, Z., J. Kaleczyc, J. Zmudzki, W. Sienkiewicz, M. Zalecki, M. Klimczuk, and K. Wasowicz. "Changes in the tissue concentrations of several neuropeptides in porcine intestines and intestine-innervating ganglia in the course of porcine proliferative enteropathy." Veterinární Medicína 63, No. 5 (May 29, 2018): 210–15. http://dx.doi.org/10.17221/62/2017-vetmed.

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Inflammatory processes are associated with changes in the interplay of different pro- and anti-inflammatory factors, including neuropeptides, in tissue. This study was performed to investigate the influence of proliferative enteropathy on the concentration of several neuropeptides known to be involved in the regulation of the inflammatory process in porcine intestine and intestine-innervating ganglia. The concentration of galanin, vasoactive intestinal polypeptide, somatostatin, neuropeptide Y, substance P and calcitonin gene-related peptide were assayed with ELISA in the coeliac-superior mesenteric ganglion, inferior mesenteric ganglion, selected dorsal root ganglia, ileum and the descending colon in healthy and sick pigs. The concentrations of the studied neuropeptides were higher in sick animals. Statistically significant differences were found for coeliac-superior mesenteric ganglion (galanin, vasoactive intestinal polypeptide, somatostatin and neuropeptide Y), inferior mesenteric ganglion (galanin, somatostatin and neuropeptide Y), dorsal root ganglia (galanin, somatostatin, neuropeptide Y and calcitonin gene-related peptide), ileum (galanin and somatostatin) and the descending colon (galanin, somatostatin and neuropeptide Y). The data clearly show the influence of the inflammatory process on the concentration of some of the studied neuropeptides present in inflamed tissues and ganglia innervating the inflamed gut. These changes must be associated with the role the studied neuropeptides play in the inflammatory process.
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Ryznar, Rebecca, Nathan Andrews, Kyle Emery, Michaela Snow, Mark Payton, Francina Towne, and Dean Gubler. "Specific Salivary Neuropeptides Shift Synchronously during Acute Stress in Fire Recruits." Brain Sciences 14, no. 5 (May 13, 2024): 492. http://dx.doi.org/10.3390/brainsci14050492.

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Once thought of as an immune-privileged site, we now know that the nervous system communicates in a bidirectional manner with the immune system via the neuroimmune axis. Neuropeptides constitute a component of this axis, playing critical roles in the brain and periphery. The function of salivary neuropeptides in the acute stress response is not well understood. The purpose of this study is to investigate salivary neuropeptide levels during acute stress. Salivary samples were collected from fire recruits engaged in a stress training exercise previously shown to induce acute stress, at three separate timepoints during the exercise and levels of oxytocin, neurotensin, Substance P, α-MSH, and β-Endorphin were measured using the Human Neuropeptide 5-Plex Custom Assay Eve Technologies. All neuropeptides increased throughout the acute stress simulation and during the recovery phase. Exploratory factor analysis (EFA) identified one factor contributing to baseline values across five neuropeptides and Pairwise Pearson Correlation Coefficient analysis showed positive correlations >0.9 for almost all neuropeptide combinations at the pre-stress timepoint. Further analysis identified negative and positive correlations between past-life trauma and self-assessed hardiness, respectively. Calculated neuropeptide scores showed an overall positive correlation to self-assessed hardiness. Altogether, our results suggest that salivary neuropeptides increase synchronously during acute stress and higher levels correlate with an increase in self-assessed hardiness. Further study is required to determine if interventions designed to enhance neuropeptide activity can increase stress resilience, especially in high-stress occupations such as firefighting.
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Kaur, Rimanpreet, Naina Arora, Meera G. Nair, and Amit Prasad. "The interplay of helminthic neuropeptides and proteases in parasite survival and host immunomodulation." Biochemical Society Transactions 50, no. 1 (January 25, 2022): 107–18. http://dx.doi.org/10.1042/bst20210405.

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Neuropeptides comprise a diverse and broad group of neurotransmitters in vertebrates and invertebrates, with critical roles in neuronal signal transduction. While their role in controlling learning and memory in the brains of mammals is known, their extra-synaptic function in infection and inflammation with effects on distinct tissues and immune cells is increasingly recognized. Helminth infections especially of the central nervous system (CNS), such as neurocysticercosis, induce neuropeptide production by both host and helminth, but their role in host–parasite interplay or host inflammatory response is unclear. Here, we review the neurobiology of helminths, and discuss recent studies on neuropeptide synthesis and function in the helminth as well as the host CNS and immune system. Neuropeptides are summarized according to structure and function, and we discuss the complex enzyme processing for mature neuropeptides, focusing on helminth enzymes as potential targets for novel anthelminthics. We next describe known immunomodulatory effects of mammalian neuropeptides discovered from mouse infection models and draw functional parallels with helminth neuropeptides. Last, we discuss the anti-microbial properties of neuropeptides, and how they may be involved in host–microbiota changes in helminth infection. Overall, a better understanding of the biology of helminth neuropeptides, and whether they affect infection outcomes could provide diagnostic and therapeutic opportunities for helminth infections.
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Josefsson, Malin, Magnus Becker, Fritz Stroman, Daniel G. Brenner, and Göran Petersson. "Effect of Recombinant Neutral Endopeptidase (EC 3.4.24.11) on Neuropeptide-Mediated Nasal Fluid Secretion and Plasma Exudation in the Rat." American Journal of Rhinology 12, no. 2 (March 1998): 135–42. http://dx.doi.org/10.2500/105065898781390244.

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The nasal mucosa harbors sensory nerves containing neuropeptides such as substance P (SP), which are released by capsaicin. The neuropeptides are degraded by peptidases, e.g., neutral endopeptidase (NEP) that is present in the nasal mucosa. We studied the effect of enzymatically active recombinant NEP (rNEP) on neuropeptide-evoked secretion of nasal fluid and plasma exudation in rats. rNEP administered intranasally (i.n.) reduced the capsaicin-evoked nasal fluid secretion but failed to reduce the secretion evoked by SP (exogenous) under the experimental conditions used. rNEP reduced the increase in nasal plasma exudation evoked by capsaicin (endogenous neuropeptides). Because rNEP reduced neuropeptide-mediated nasal fluid secretion and plasma exudation in the rat, we suggest that peptidase activity in the nasal mucosa will determine the magnitude of the response to locally released neuropeptides.
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Sun, Changsheng, Jiatong Han, Yixin Bai, Zhaowei Zhong, Yingtao Song, and Yu Sun. "Neuropeptides as the Shared Genetic Crosstalks Linking Periodontitis and Major Depression Disorder." Disease Markers 2021 (October 21, 2021): 1–13. http://dx.doi.org/10.1155/2021/3683189.

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Background. The aim of this study was at investigating the association between major depressive disorder (MDD) and periodontitis based on crosstalk genes and neuropeptides. Methods. Datasets for periodontitis (GSE10334, GSE16134, and GSE23586) and MDD (GSE38206 and GSE39653) were downloaded from GEO. Following batch correction, a differential expression analysis was applied (MDD: ∣ log 2 FC ∣ > 0 and periodontitis ∣ log 2 FC ∣ ≥ 0.5 , p < 0.05 ). The neuropeptide data were downloaded from NeuroPep and NeuroPedia. Intersected genes were potential crosstalk genes. The correlation between neuropeptides and crosstalk genes in MDD and periodontitis was analyzed with Pearson correlation coefficient. Subsequently, regression analysis was performed to calculate the differentially regulated link. Cytoscape was used to map the pathways of crosstalk genes and neuropeptides and to construct the protein-protein interaction network. Lasso regression was applied to screen neuropeptides, whereby boxplots were created, and receiver operating curve (ROC) analysis was conducted. Results. The MDD dataset contained 30 case and 33 control samples, and the periodontitis dataset contained 430 case and 139 control samples. 35 crosstalk genes were obtained. A total of 102 neuropeptides were extracted from the database, which were not differentially expressed in MDD and periodontitis and had no intersection with crosstalk genes. Through lasso regression, 9 neuropeptides in MDD and 43 neuropeptides in periodontitis were obtained. Four intersected neuropeptide genes were obtained, i.e., ADM, IGF2, PDYN, and RETN. The results of ROC analysis showed that IGF2 was highly predictive in MDD and periodontitis. ADM was better than the other three genes in predicting MDD disease. A total of 13 crosstalk genes were differentially coexpressed with four neuropeptides, whereby FOSB was highly expressed in MDD and periodontitis. Conclusion. The neuropeptide genes ADM, IGF2, PDYN, and RETN were intersected between periodontitis and MDD, and FOSB was a crosstalk gene related to these neuropeptides on the transcriptomic level. These results are a basis for future research in the field, needing further validation.
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Shen, Yi-Chen, Xiao Sun, Lei Li, Hu-Yunlong Zhang, Zhi-Li Huang, and Yi-Qun Wang. "Roles of Neuropeptides in Sleep–Wake Regulation." International Journal of Molecular Sciences 23, no. 9 (April 21, 2022): 4599. http://dx.doi.org/10.3390/ijms23094599.

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Sleep and wakefulness are basic behavioral states that require coordination between several brain regions, and they involve multiple neurochemical systems, including neuropeptides. Neuropeptides are a group of peptides produced by neurons and neuroendocrine cells of the central nervous system. Like traditional neurotransmitters, neuropeptides can bind to specific surface receptors and subsequently regulate neuronal activities. For example, orexin is a crucial component for the maintenance of wakefulness and the suppression of rapid eye movement (REM) sleep. In addition to orexin, melanin-concentrating hormone, and galanin may promote REM sleep. These results suggest that neuropeptides play an important role in sleep–wake regulation. These neuropeptides can be divided into three categories according to their effects on sleep–wake behaviors in rodents and humans. (i) Galanin, melanin-concentrating hormone, and vasoactive intestinal polypeptide are sleep-promoting peptides. It is also noticeable that vasoactive intestinal polypeptide particularly increases REM sleep. (ii) Orexin and neuropeptide S have been shown to induce wakefulness. (iii) Neuropeptide Y and substance P may have a bidirectional function as they can produce both arousal and sleep-inducing effects. This review will introduce the distribution of various neuropeptides in the brain and summarize the roles of different neuropeptides in sleep–wake regulation. We aim to lay the foundation for future studies to uncover the mechanisms that underlie the initiation, maintenance, and end of sleep–wake states.
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Wang, Zhengbing, Wenwu Zhou, Muhammad Hameed, Jiali Liu, and Xinnian Zeng. "Characterization and Expression Profiling of Neuropeptides and G-Protein-Coupled Receptors (GPCRs) for Neuropeptides in the Asian Citrus Psyllid, Diaphorina citri (Hemiptera: Psyllidae)." International Journal of Molecular Sciences 19, no. 12 (December 6, 2018): 3912. http://dx.doi.org/10.3390/ijms19123912.

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Neuropeptides are endogenous active substances that widely exist in multicellular biological nerve tissue and participate in the function of the nervous system, and most of them act on neuropeptide receptors. In insects, neuropeptides and their receptors play important roles in controlling a multitude of physiological processes. In this project, we sequenced the transcriptome from twelve tissues of the Asian citrus psyllid, Diaphorina citri Kuwayama. A total of 40 candidate neuropeptide genes and 42 neuropeptide receptor genes were identified. Among the neuropeptide receptor genes, 35 of them belong to the A-family (or rhodopsin-like), four of them belong to the B-family (or secretin-like), and three of them are leucine-rich repeat-containing G-protein-coupled receptors. The expression profile of the 82 genes across developmental stages was determined by qRT-PCR. Our study provides the first investigation on the genes of neuropeptides and their receptors in D. citri, which may play key roles in regulating the physiology and behaviors of D. citri.
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Liu, Yining, and Min Zhao. "Decode the Stable Cell Communications Based on Neuropeptide-Receptors Network in 36746 Tumor Cells." Biomedicines 10, no. 1 (December 22, 2021): 14. http://dx.doi.org/10.3390/biomedicines10010014.

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Background: As chemical signals of hormones, neuropeptides are essential to regulate cell growth by interacting with their receptors to achieve cell communications in cancer tissues. Previously, neuropeptide transcriptome analysis was limited to tissue-based bulk expression levels. The molecular mechanisms of neuropeptides and their receptors at the single-cell level remain unclear. We conducted a systematic single-cell transcriptome data integration analysis to clarify the similarities and variations of neuropeptide-mediated cell communication between various malignancies. Methods: Based on the single-cell expression information in 72 cancer datasets across 24 cancer types, we characterized actively expressed neuropeptides and receptors as having log values of the quantitative transcripts per million ≥ 1. Then, we created the putative cell-to-cell communication network for each dataset by using the known interaction of those actively expressed neuropeptides and receptors. To focus on the stable cell communication events, we identified neuropeptide and downstream receptors whose interactions were detected in more than half of all conceivable cell-cell interactions (square of the total cell population) in a dataset. Results: Focusing on those actively expressed neuropeptides and receptors, we built over 76 million cell-to-cell communications across 70 cancer datasets. Then the stable cell communication analyses were applied to each dataset, and about 14 million stable cell-to-cell communications could be detected based on 16 neuropeptides and 23 receptors. Further functional analysis indicates these 39 genes could regulate blood pressure and are significantly associated with patients’ survival among over ten thousand The Cancer Genome Atlas (TCGA)pan-cancer samples. By zooming in lung cancer-specific clinical features, we discovered the 39 genes appeared to be enriched in the patients with smoking. In skin cancer, they may differ in the patients with the distinct histological subtype and molecular drivers. Conclusions: At the single-cell level, stable cell communications across cancer types demonstrated some common and distinct neuropeptide-receptor patterns, which could be helpful in determining the status of neuropeptide-based cell communication and developing a peptide-based therapy strategy.
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Dissertations / Theses on the topic "Neuropeptides"

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Brumovsky, Pablo R. "Neuropeptides, sensory neurons and pain modulation /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-442-2/.

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Duroux, Stéphane. "Neuropeptides et muqueuse nasale." Bordeaux 2, 1994. http://www.theses.fr/1994BOR23014.

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Pheng, Leng-Hong. "Caractérisation pharmacologique des récepteurs natifs du neuropeptide Y et de la nociceptine." Sherbrooke : Université de Sherbrooke, 2001.

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Diez, Margarita. "Neuropeptide expression in mouse disease models /." Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-514-x/.

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Guery, Sébastien. "Conception et synthèse de dérivés de l'arginine : Concepts et validation sur des récepteurs de neuropeptides." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. https://publication-theses.unistra.fr/public/theses_doctorat/2003/GUERY_Sebastien_2003.pdf.

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La découverte de neuropeptides comme molécules pharmacologiquement actives est d'une importance considérable pour notre compréhension de la neurobiologie. Les neuropeptides peuvent agir en tant que neurotransmetteurs, neuromodulateurs et en tant qu'hormones. Ils contrôlent ou influencent de nombreux types de comportements biologiques (par exemple le comportement sexuel, le comportement alimentaire, la mémoire, l'apprentissage, la perception de la douleur, ). Certains de ces peptides appartiennent à la famille des peptides de type RF-amide qui possèdent dans leur partie C-terminale un résidu Arginine. Dans le cadre de cette thèse, nous nous sommes intéressés à deux peptides : le NPY (neuropeptide Y) et le NPFF (neuropeptide FF) qui possèdent dans leur extrémité C-terminale ce motif RF-amide. Dans un premier temps, notre travail s'est basé sur l'étude des relations structure-activité d'un ligand qui se fixe sur les récepteurs Y1 du NPY et sur les récepteurs du NPFF : le BIBP 3226. Pour ce faire, nous avons dû mettre au point une méthode de synthèse hautement convergente en solution et sur phase solide nous permettant d'obtenir avec de très bons rendements et une excellente pureté des analogues et des dérivés d'arginine. Les études de liaison spécifiques ont permis d'identifier deux composés tête de série : LPI 211 (Ki = 0,10 æM sur NPFF1 et Ki = 0,16 æM sur NPFF2) et LPI 214 (comme antagoniste des récepteurs Y1 du NPY). D'autre part, nous avons également mis au point une méthode de synthèse de composés fluorescents dérivés de l'arginine. Ces composés ont été évalués pour leur capacité à produire du FRET (5 %) sur les récepteurs Y1 du NPY et ce en vue de mettre au point une nouvelle méthode de criblage à haut débit n'utilisant pas de composés radioactifs. Enfin, nous nous sommes également intéressés à la synthèse de composés hétérocycliques peptidomimétiques de type dihydrotriazinones par l'utilisation de la réaction de Ugi. Cette voie de synthèse nous permet d'obtenir des dérivés substitués sur l'azote N1 ou sur l'azote N4 en un nombre d'étapes limité
The discovery of neuropeptides as pharmacological active compounds is a breakthrough for our understanding in neurobiology. Neuropeptides can act as neurotransmetter, neuromodulators, and hormones. They control or influence a wide variety of biological behaviors (sexual, food intake, memory, learning, pain perception, ). Some of these peptides own to the family of RF-amide peptides which posses in their C-terminal part an arginine residue. In this work, we focused our interest on two peptides : neuropeptide FF (NPFF) and neuropeptide Y (NPY). Both of them have in their C-terminal part a RF-amide moiety. On one hand, our work was based on the study of structure activity relationship of a non specific ligand (BIBP 3226), which binds to both the NPY Y1 receptor and NPFF receptors. For this purpose, we had to optimize highly convergent synthetic methods both in solution and in solid phase in order to synthesize with high yields and purity arginine analogues and derivatives. Binding experiments highlighted two interesting hits : LPI 211 (Ki = 0,10 æM on NPFF1 and Ki = 0,16 æM on NPFF2) and LPI 214 (as antagonist of NPY on Y1 receptor). On the other hand, we have also performed an efficient method for the preparation of fluorescent arginine derivatives. These compounds were tested for their ability to produce FRET (5 %) on Y1 receptors in order to create a new high throughput screening method. Finally, we developed an original preparation of heterocyclic peptidomimetic compounds like dihydrotriazones by the use of Ugi four component reactions. This way of synthesis allowed us to obtain N1 substituted or N4 substituted dihydrotriazinones with a limited number of steps
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Bjellerup, Per. "Biochemical characterisation and clinical correlation of neuropeptides in neuroblastoma with emphasis on neuropeptide Y /." Stockholm, 2000. http://diss.kib.ki.se/2000/91-628-4524-1/.

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Lodge, Daniel 1977. "Neuropeptides, anxiety and alcoholism." Monash University, Dept. of Pharmacology, 2002. http://arrow.monash.edu.au/hdl/1959.1/7706.

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Ostlere, Lucy Sinclair. "Neuropeptides in atopic dermatitis." Thesis, Queen Mary, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267167.

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Di, Marzo V. "Neuropeptides and leukotriene biosynthesis." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47024.

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Dubin, Thierry. "Le neuropeptide Y dans le phéochromocytome : étude à partir d'une série de 15 cas." Bordeaux 2, 1990. http://www.theses.fr/1990BOR23098.

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Books on the topic "Neuropeptides"

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Merighi, Adalberto, ed. Neuropeptides. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-310-3.

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F, Colmers William, and Wahlestedt Claes, eds. The Biology of neuropeptide Y and related peptides. Totowa, N.J: Humana Press, 1993.

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Menn, Julius J., Thomas J. Kelly, and Edward P. Masler, eds. Insect Neuropeptides. Washington, DC: American Chemical Society, 1991. http://dx.doi.org/10.1021/bk-1991-0453.

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Scharrer, Berta, Eric M. Smith, and George B. Stefano, eds. Neuropeptides and Immunoregulation. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78480-4.

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Taché, Yvette, John E. Morley, and Marvin R. Brown, eds. Neuropeptides and Stress. New York, NY: Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4612-3514-9.

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1925-, Wied David de, Gispen W. H. 1943-, and Wimersma Greidanus, Tj. B.van., eds. Neuropeptides and behavior. Oxford: Pergamon, 1985.

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Hoyle, Charles H. V. Neuropeptides: Essential data. Chichester: Wiley, 1996.

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J, Epelbaum, ed. Neuropeptides et neuromédiateurs. 2nd ed. Rueil-Malmaison: Editions Sandoz, 1995.

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Yvette, Taché, Morley John E, Brown Marvin R, Hans Selye Foundation, and Hans Selye Symposium on Neuroendocrinology and Stress (1st : 1986 : Montréal, Québec), eds. Neuropeptides and stress. New York: Springer-Verlag, 1989.

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George, Fink, and Harmar A. J, eds. Neuropeptides: A methodology. Chichester [England]: Wiley, 1989.

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Book chapters on the topic "Neuropeptides"

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Harmar, Anthony J. "Neuropeptides." In Transmitter Molecules in the Brain, 17–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-69950-4_3.

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Sanzone, Marla. "Neuropeptides." In Encyclopedia of Clinical Neuropsychology, 1757–58. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-0-387-79948-3_1744.

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Sanzone, Marla. "Neuropeptides." In Encyclopedia of Clinical Neuropsychology, 1–3. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56782-2_1744-2.

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Sanzone, Marla. "Neuropeptides." In Encyclopedia of Clinical Neuropsychology, 2422–24. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-57111-9_1744.

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Andrews, Anne M., Greg A. Gerhardt, Lynette C. Daws, Mohammed Shoaib, Barbara J. Mason, Charles J. Heyser, Luis De Lecea, et al. "Neuropeptides." In Encyclopedia of Psychopharmacology, 855. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_1108.

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Ganea, Doina, and Mario Skarica. "Immunoregulatory Neuropeptides." In The Wiley-Blackwell Handbook of Psychoneuroimmunology, 144–60. Chichester, UK: John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118314814.ch7.

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Yasuda-Kamatani, Y. "Molluscan neuropeptides." In d-Amino Acids in Sequences of Secreted Peptides of Multicellular Organisms, 37–56. Basel: Birkhäuser Basel, 1998. http://dx.doi.org/10.1007/978-3-0348-8837-0_3.

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Jensen, Chad D., Amy F. Sato, Elissa Jelalian, Elizabeth R. Pulgaron, Alan M. Delamater, Chad D. Jensen, Amy F. Sato, et al. "Opiate Neuropeptides." In Encyclopedia of Behavioral Medicine, 1383. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1005-9_101192.

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Barnes, Peter J. "Airway Neuropeptides." In Asthma Treatment, 21–50. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3446-4_3.

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Kelly, Thomas J., Edward P. Masler, and Julius J. Menn. "Insect Neuropeptides." In Natural and Engineered Pest Management Agents, 292–318. Washington, DC: American Chemical Society, 1993. http://dx.doi.org/10.1021/bk-1994-0551.ch021.

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Conference papers on the topic "Neuropeptides"

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Malyutina, T. A. "NEUROPEPTIDES INVOLVING IN THE REGULATION OF LOCOMOTOR BEHAVIOR OF ROOT-KNOT PLANT-PARASITIC NEMATODES (REVIEW)." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.281-284.

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In the last few decades, the attention of researchers has been attracted by endogenous FMRFamide-like neuropeptides found in a number of invertebrates, including species of the Nematoda phylum. A foreign literature review was presented for the functional significance of endogenous FMRFamide-like neuropeptides in locomotor behaviour of root-knot phytonematodes, representatives of the genus Meloidogyne Goldi, 1982, namely, Meloidogyne incognita, M. minor, M. hapla and M. graminicola. In Russia, such studies are not carried out. The main characteristics of phytoparasitic neuropeptides were obtained from the study of genes (flp-genes) that encode these neuropeptides. M. incognita was found to have FMRFamidelike positive immunoreactivity in the central nervous system and 19 flp genes. The Mi-flp-12 and Mi-flp-14 genes encode neuropeptides that stimulate locomotor behaviour, while Mi-flp-32 encodes a neuropeptide that inhibits parasite locomotor behaviour. Nematodes M. incognita and M. hapla were found to have G-proteincoupled receptors (GPCRs) encoded by the flp-32 gene, and their similarity to receptor 1 (C26F1) of the free-living nematode Caenorhabditis elegans was detected. Similar data were presented in the literature for M. graminicola. The peptidergic signaling nervous system of root-knot phytonematodes is similar to the system of nematodes in vertebrates and free-living nematodes, which indicates the conservatism of the system in species of the entire Nematoda phylum.
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Latorre-Estivalis, José Manuel. "Neuropeptides and olfaction inRhodnius prolixus." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.94896.

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Braun, Armin, Emma Spies, Sabine Rochlitzer, and Sabrina Voedisch. "Neuropeptides Influence Airway Dendritic Cell Behavior." In American Thoracic Society 2012 International Conference, May 18-23, 2012 • San Francisco, California. American Thoracic Society, 2012. http://dx.doi.org/10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a2155.

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Kuznetsov, I. A., and A. V. Kuznetsov. "A Model of Neuropeptide Transport in Various Types of Nerve Terminals Containing En Passant Boutons: The Effect of the Rate of Neuropeptide Production in the Neuron Soma." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50439.

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After being synthesized in the soma, neuropeptides are packaged in dense core vesicles (DCVs) and transported toward nerve terminals. It is known, from published experimental results, that in terminals with type Ib boutons DCVs circulate in the terminal, undergoing repeated anterograde and retrograde transport, while in type III terminals DCVs do not circulate in the terminal. Our goal here is to investigate whether the increased DCV production in the soma can lead to the appearance of DCV circulation in type III boutons. For this purpose we developed a mathematical model that simulates DCV transport in various terminals. Our model reproduces some important experimental results, such as those concerning DCV circulation in type Ib and type III terminals. We used the developed model to make testable predictions. The model predicts that an increased DCV production rate in the soma leads to increased DCV circulation in type Ib boutons and to the appearance of DCV circulation in type III boutons. The model also predicts that there are different stages in the development of DCV circulation in the terminals after they were depleted of DCVs due to neuropeptide release.
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Nouzova, Marcela. "Targets of neuropeptides regulating juvenile hormone synthesis in mosquitoes." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.93907.

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Kreshchenko, N. D., and N. B. Terenina. "IDENTIFICATION OF FMRFamide-LIKE NEUROPEPTIDES IN TREMATODES ACROLICHANUS AURICULATUS." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. VNIIP – FSC VIEV, 2024. http://dx.doi.org/10.31016/978-5-6050437-8-2.2024.25.226-230.

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For the first time, using the immunocytochemical analysis and confocal laser scanning microscopy, we studied the nervous system structure including FMRFamideimmunopositive (FMRFa-ip) nerve elements in trematode Acrolichanus auriculatus (Digenea, Allocreadiidae), an intestinal parasite of sturgeons. The study results revealed FMRFamide staining in the central parts of the nervous system of worms: in neurons and neurites of the cephalic ganglia, cerebral commissure, and three pairs of longitudinal nerve cords. The staining intensity was higher in nerve fibers as compared to the bodies of FMRFa-ip neurons. At the periphery of FMRFaip, neural elements were found in neurons and fibers that innervated the oral and ventral suckers, pharynx and esophagus. In the area where the distal parts of the reproductive system were located, near the gonopore, three FMRFa-ip neurons and a network of nerve fibers were visible. FMRFa-ip structures were identified around the excretory pore. The localization of FMRFa-ip nerve elements innervating the attachment organs and parts of the digestive, reproductive and excretory systems in A. auriculatus suggests their role in attachment to the host, and functioning of such organs and systems in trematodes, probably through the regulation of their musculature.
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Žďárek, Jan, and Peter Verleyen. "Regulatory neuropeptides involved in the puparium formation in fly larvae." In Xth Conference Biologically Active Peptides. Prague: Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 2007. http://dx.doi.org/10.1135/css200709112.

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Akhtar, M. N., B. R. Southey, K. I. Porter, J. V. Sweedler, and S. L. Rodriguez-Zas. "Comparison of tandem mass spectrometry search methods to identify neuropeptides." In 2011 IEEE International Conference on Bioinformatics and Biomedicine Workshops (BIBMW). IEEE, 2011. http://dx.doi.org/10.1109/bibmw.2011.6112530.

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Roller, Ladislav, Yoshiaki Tanaka, Ivana Valachová-Spálovská, Ladislav Šimo, and Dušan Žitňan. "The analysis of neuropeptides encoded in the silkworm (Bombyx mori) genome." In Xth Conference Biologically Active Peptides. Prague: Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 2007. http://dx.doi.org/10.1135/css200709083.

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Sweedler, Jonathan V., Jason B. Shear, Harvey A. Fishman, Richard N. Zare, and Richard H. Scheller. "Analysis of neuropeptides using capillary zone electrophoresis with multichannel fluorescence detection." In GC Is - DL tentative, edited by M. Bonner Denton. SPIE, 1991. http://dx.doi.org/10.1117/12.50463.

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Reports on the topic "Neuropeptides"

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Roman, Jesse. Prenatal Exposure to Nicotine and Childhood Asthma: Role of Nicotine Acetylcholine Receptors, Neuropeptides, and Fibronectin Expression in Lung. Fort Belvoir, VA: Defense Technical Information Center, December 2005. http://dx.doi.org/10.21236/ada452269.

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Roman, Jesse. Prenatal Exposure to Nicotine and Childhood Asthma: Role of Nicotine Acetylcholine Receptors, Neuropeptides and Fibronectin Expression in Lung. Fort Belvoir, VA: Defense Technical Information Center, December 2008. http://dx.doi.org/10.21236/ada508588.

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Rafaeli, Ada, Russell Jurenka, and Daniel Segal. Isolation, Purification and Sequence Determination of Pheromonotropic-Receptors. United States Department of Agriculture, July 2003. http://dx.doi.org/10.32747/2003.7695850.bard.

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Moths constitute a major group of pest insects in agriculture. Pheromone blends are utilised by a variety of moth species to attract conspecific mates, which is under circadian control by the neurohormone, PBAN (pheromone-biosynthesis-activating neuropeptide). Our working hypothesis was that, since the emission of sex-pheromone is necessary to attract a mate, then failure to produce and emit pheromone is a potential strategy for manipulating adult moth behavior. The project aimed at identifying, characterising and determining the sequence of specific receptors responsible for the interaction with pheromonotropic neuropeptide/s using two related moth species: Helicoverpa armigera and H. lea as model insects. We established specific binding to a membrane protein estimated at 50 kDa in mature adult females using a photoaffinity-biotin probe for PBAN. We showed that JH is required for the up-regulation of this putative receptor protein. In vitro studies established that the binding initiates a cascade of second messengers including channel opening for calcium ions and intracellular cAMP production. Pharmacological studies (using sodium fluoride) established that the receptor is coupled to a G-protein, that is, the pheromone-biosynthesis-activating neuropeptide receptor (PBAN-R) belongs to the family of G protein-coupled receptor (GPCR)'s. We showed that PBAN-like peptides are present in Drosophila melanogaster based on bioassay and immunocytochemical data. Using the annotated genome of D. melanogaster to search for a GPCR, we found that some were similar to neuromedin U- receptors of vertebrates, which contain a similar C-terminal ending as PBAN. We established that neuromedin U does indeed induce pheromone biosynthesis and cAMP production. Using a PCR based cloning strategy and mRNA isolated from pheromone glands of H. zea, we successfully identified a gene encoding a GPCR from pheromone glands. The full-length PBAN-R was subsequently cloned and expressed in Sf9 insect cells and was shown to mobilize calcium in response to PBAN in a dose-dependent manner. The successful progress in the identification of a gene, encoding a GPCR for the neurohormone, PBAN, provides a basis for the design of a novel battery of compounds that will specifically antagonize pheromone production. Furthermore, since PBAN belongs to a family of insect neuropeptides with more than one function in different life stages, this rationale may be extended to other physiological key-regulatory processes in different insects.
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Nulk, Matthew, William Schuh, Lolita M. Burrell, and Michael D. Matthews. Effects of Neuropeptide Y on Resilience to PTSD. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada540854.

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Iwase, Akira. Neutral Endopeptidase Inhibits Neuropeptide Medicated Growth of Androgen-Independent Prostate Cancer. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada404915.

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Lee, Che-Hung, Robert Brown, Elizabeth A. Jajane, and Hsiu-Ying T. Yang. Monoclonal Antibody to an Endogenous Neuropeptide with Putative Morphine-Modulating Activity. Fort Belvoir, VA: Defense Technical Information Center, December 1988. http://dx.doi.org/10.21236/ada205386.

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Sachdeva, Mandip S. The Effect of Jet Fuels on the Skin Irritation and Neuropeptide Release. Fort Belvoir, VA: Defense Technical Information Center, December 2003. http://dx.doi.org/10.21236/ada424424.

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Altstein, Miriam, and Ronald J. Nachman. Rational Design of Insect Control Agent Prototypes Based on Pyrokinin/PBAN Neuropeptide Antagonists. United States Department of Agriculture, August 2013. http://dx.doi.org/10.32747/2013.7593398.bard.

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The general objective of this study was to develop rationally designed mimetic antagonists (and agonists) of the PK/PBAN Np class with enhanced bio-stability and bioavailability as prototypes for effective and environmentally friendly pest insect management agents. The PK/PBAN family is a multifunctional group of Nps that mediates key functions in insects (sex pheromone biosynthesis, cuticular melanization, myotropic activity, diapause and pupal development) and is, therefore, of high scientific and applied interest. The objectives of the current study were: (i) to identify an antagonist biophores (ii) to develop an arsenal of amphiphilic topically active PK/PBAN antagonists with an array of different time-release profiles based on the previously developed prototype analog; (iii) to develop rationally designed non-peptide SMLs based on the antagonist biophore determined in (i) and evaluate them in cloned receptor microplate binding assays and by pheromonotropic, melanotropic and pupariation in vivo assays. (iv) to clone PK/PBAN receptors (PK/PBAN-Rs) for further understanding of receptor-ligand interactions; (v) to develop microplate binding assays for screening the above SMLs. In the course of the granting period A series of amphiphilic PK/PBAN analogs based on a linear lead antagonist from the previous BARD grant was synthesized that incorporated a diverse array of hydrophobic groups (HR-Suc-A[dF]PRLa). Others were synthesized via the attachment of polyethylene glycol (PEG) polymers. A hydrophobic, biostablePK/PBAN/DH analog DH-2Abf-K prevented the onset of the protective state of diapause in H. zea pupae [EC50=7 pmol/larva] following injection into the preceding larval stage. It effectively induces the crop pest to commit a form of ‘ecological suicide’. Evaluation of a set of amphiphilic PK analogs with a diverse array of hydrophobic groups of the formula HR-Suc-FTPRLa led to the identification of analog T-63 (HR=Decyl) that increased the extent of diapause termination by a factor of 70% when applied topically to newly emerged pupae. Another biostablePK analog PK-Oic-1 featured anti-feedant and aphicidal properties that matched the potency of some commercial aphicides. Native PK showed no significant activity. The aphicidal effects were blocked by a new PEGylated PK antagonist analog PK-dF-PEG4, suggesting that the activity is mediated by a PK/PBAN receptor and therefore indicative of a novel and selective mode-of-action. Using a novel transPro mimetic motif (dihydroimidazole; ‘Jones’) developed in previous BARD-sponsored work, the first antagonist for the diapause hormone (DH), DH-Jo, was developed and shown to block over 50% of H. zea pupal diapause termination activity of native DH. This novel antagonist development strategy may be applicable to other invertebrate and vertebrate hormones that feature a transPro in the active core. The research identifies a critical component of the antagonist biophore for this PK/PBAN receptor subtype, i.e. a trans-oriented Pro. Additional work led to the molecular cloning and functional characterization of the DH receptor from H. zea, allowing for the discovery of three other DH antagonist analogs: Drosophila ETH, a β-AA analog, and a dF analog. The receptor experiments identified an agonist (DH-2Abf-dA) with a maximal response greater than native DH. ‘Deconvolution’ of a rationally-designed nonpeptide heterocyclic combinatorial library with a cyclic bis-guanidino (BG) scaffold led to discovery of several members that elicited activity in a pupariation acceleration assay, and one that also showed activity in an H. zea diapause termination assay, eliciting a maximal response of 90%. Molecular cloning and functional characterization of a CAP2b antidiuretic receptor from the kissing bug (R. prolixus) as well as the first CAP2b and PK receptors from a tick was also achieved. Notably, the PK/PBAN-like receptor from the cattle fever tick is unique among known PK/PBAN and CAP2b receptors in that it can interact with both ligand types, providing further evidence for an evolutionary relationship between these two NP families. In the course of the granting period we also managed to clone the PK/PBAN-R of H. peltigera, to express it and the S. littoralis-R Sf-9 cells and to evaluate their interaction with a variety of PK/PBAN ligands. In addition, three functional microplate assays in a HTS format have been developed: a cell-membrane competitive ligand binding assay; a Ca flux assay and a whole cell cAMP ELISA. The Ca flux assay has been used for receptor characterization due to its extremely high sensitivity. Computer homology studies were carried out to predict both receptor’s SAR and based on this analysis 8 mutants have been generated. The bioavailability of small linear antagonistic peptides has been evaluated and was found to be highly effective as sex pheromone biosynthesis inhibitors. The activity of 11 new amphiphilic analogs has also been evaluated. Unfortunately, due to a problem with the Heliothis moth colony we were unable to select those with pheromonotropic antagonistic activity and further check their bioavailability. Six peptides exhibited some melanotropic antagonistic activity but due to the low inhibitory effect the peptides were not further tested for bioavailability in S. littoralis larvae. Despite the fact that no new antagonistic peptides were discovered in the course of this granting period the results contribute to a better understanding of the interaction of the PK/PBAN family of Nps with their receptors, provided several HT assays for screening of libraries of various origin for presence of PK/PBAN-Ragonists and antagonists and provided important practical information for the further design of new, peptide-based insecticide prototypes aimed at the disruption of key neuroendocrine physiological functions in pest insects.
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Clayton, Brian, Christopher Brown, Lolita Burrell, and Michael Matthews. The Use of Neuropeptide Y as a Measurement of the Effectiveness of Stress Inoculation. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada540922.

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Richards, Daelyn. Neuropeptide Y: A potential Marker for a Life-History Transition in the Red-Sided Garter Snake (Thamnophis sirtalis parietalis). Portland State University Library, January 2014. http://dx.doi.org/10.15760/honors.104.

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