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Academic literature on the topic 'Caratterizzazione biologica di tumori'
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Journal articles on the topic "Caratterizzazione biologica di tumori"
Rosa, M. L., M. A. Canevari, N. Mavilio, S. Ballerini, D. Capello, A. Dorcaratto, and E. Marinaro. "Tumori cerebrali primitivi." Rivista di Neuroradiologia 6, no. 4 (November 1993): 455–88. http://dx.doi.org/10.1177/197140099300600411.
Full textGallucci, M., I. Aprile, A. Bozzao, B. Orlandi, and O. Migliori. "La RM nei tumori extrassiali intracranici." Rivista di Neuroradiologia 4, no. 3_suppl (December 1991): 13–18. http://dx.doi.org/10.1177/19714009910040s303.
Full textRuggiero, R. "Radioterapia stereotassica versus radioterapia convenzionale nel trattamento dei tumori cerebrali." Rivista di Neuroradiologia 10, no. 2_suppl (October 1997): 151. http://dx.doi.org/10.1177/19714009970100s262.
Full textRoncallo, F., I. Turtulici, C. Calautti, I. Ferrea, G. Garrone, I. Gorni, A. Ilariucci, M. Zucchini, and A. Bartolini. "Tomografia Computerizzata e Risonanza Magnetica nella patologia del distretto testa-collo." Rivista di Neuroradiologia 10, no. 2 (April 1997): 189–218. http://dx.doi.org/10.1177/197140099701000207.
Full text"Errata Corrige." Rivista di Neuroradiologia 5, no. 2 (May 1992): 279. http://dx.doi.org/10.1177/197140099200500218.
Full textCastilletti, C., M. R. Capobianchi, F. Carletti, S. Calcaterra, R. Preziosi, G. Bernardini, C. F. Perno, and O. Armignacco. "CARATTERIZZAZIONE BIOLOGICA DI HIV-1 ISOLATO DURANTE UN’INFEZIONE PRIMARIA ASSOCIATA AD UNA SINDROME EMOFAGOCITICA SEVERA." Microbiologia Medica 18, no. 2 (June 30, 2003). http://dx.doi.org/10.4081/mm.2003.4356.
Full textDissertations / Theses on the topic "Caratterizzazione biologica di tumori"
Fontana, Sonia Giuseppa. "Caratterizzazione biologica, fisiologica e qualitativa di cloni siciliani di Dactylis glomerata L." Thesis, Università degli Studi di Catania, 2011. http://hdl.handle.net/10761/151.
Full textDuring the PhD program in Science of Animal Production', as part of the study and research, it has been studied a collection of genotypes of Dactylis glomerata L. found in different environments of Sicily for altitude and latitude in order to characterize the morphological, biological, agronomic and genetic traits for possible selection and crossing. The first part of the thesis focuses on the climatic characteristics of the Mediterranean region in genera, and those of Sicily in particular, as well as the typical vegetation of these environments. It contains an extensive review of the problems linked to the Sicilian grassland, rather poor in its elements: the cultivated species and methods of use of fodder. It is analyzed the value of biodiversity and the issue of genetic resources available in the Mediterranean basin, with particular reference to forage species. Analysis is based on the available literature, issues related to the mechanisms of survival of the species in arid environments. In particular, the mechanism of summer-dormancy that allows species such as Dactylis glomerata L. and other perennial grasses of temperate environments, to escape the water drought (stress avoidance) of the summer and therefore survive. It is described the above mentioned species and agronomic aspects related to its cultivation. Finally, it mentions the problem of genetic improvement with particular reference to techniques used for Dactylis. In the second part of this dissertation are reported three lines in which was split the research: biological and agronomical characterization of 9 genotypes of Dactlis glomerata L., collected in different environment of Sicily, which were characterized by different summer-drought intensity (drought period of Bagnouls and Gaussen); detection and description of summer dormancy traits of the above mentioned genotypes; germplasm molecular characterization based on DNA polymorphism in order to assess genetic variability of intraspecific relationships. Data collected indicate that Sicilian populations of Dactylis are characterized by wide genetic variability, shown by the variability in morphological, such as plant height, biological (time of earing) and agronomic traits (production capacity). The summer dormancy presents a great emphasis for the genotypes coming from those environments characterized by a rainfall exceeding 600 mm yr-1 and a dry period lower than 110 days. The obtained results pave the way for further and more detailed researches necessary to implement the knowledge gap: the ability of the root system to delve into the soil, the persistence in relation to the degree of dormancy, the accumulation of soluble carbohydrates during the summer to help vegetative re-growth in autumn.
PELLIZZONI, MARCO. "CARATTERIZZAZIONE FITOCHIMICA ED ATTIVITA' BIOLOGICA DI PIANTE DEL GENERE ALOE." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1304.
Full textThe relationship between Aloe main active components and plant age, specie and grow conditions has been investigated in Aloe barbadensis and A. arborescens, the commercially most used species of the genus. Aloin was mainly located in leaves outer green rid while beta-polysaccharides in inner parenchyma. Aloin concentration was higher in younger plants. Plants grown under decrising light intensities showed lower aloin and beta-polysaccharides concentrations. The content of these substances is improved by stress condition. The most antioxidant activity is located in the outer green rid of the leaves and it was slightly correlated to the total phenolic compounds content. Aloin and beta-polysaccharides stability in leaf homogenate was poor and temperature seemed to be quite more effective in reducing degradation. Antimicrobial effect against to phatogen microorganisms of anthraquinones aloin and alo-emodin and different Aloe extracts was confirmed. Prebiotic effects to Lactobacillus were discovered and a synergistic effect of several compounds was supposed. Systemic effect of aloin was explained by vivo experiments (on cows) because aloin is observed until 24 h after the oral administration of Aloe, thus metabolic and physiologic effects may be expected.
PELLIZZONI, MARCO. "CARATTERIZZAZIONE FITOCHIMICA ED ATTIVITA' BIOLOGICA DI PIANTE DEL GENERE ALOE." Doctoral thesis, Università Cattolica del Sacro Cuore, 2012. http://hdl.handle.net/10280/1304.
Full textThe relationship between Aloe main active components and plant age, specie and grow conditions has been investigated in Aloe barbadensis and A. arborescens, the commercially most used species of the genus. Aloin was mainly located in leaves outer green rid while beta-polysaccharides in inner parenchyma. Aloin concentration was higher in younger plants. Plants grown under decrising light intensities showed lower aloin and beta-polysaccharides concentrations. The content of these substances is improved by stress condition. The most antioxidant activity is located in the outer green rid of the leaves and it was slightly correlated to the total phenolic compounds content. Aloin and beta-polysaccharides stability in leaf homogenate was poor and temperature seemed to be quite more effective in reducing degradation. Antimicrobial effect against to phatogen microorganisms of anthraquinones aloin and alo-emodin and different Aloe extracts was confirmed. Prebiotic effects to Lactobacillus were discovered and a synergistic effect of several compounds was supposed. Systemic effect of aloin was explained by vivo experiments (on cows) because aloin is observed until 24 h after the oral administration of Aloe, thus metabolic and physiologic effects may be expected.
Inturri, Rosanna. "Caratterizzazione microbiologica di ceppi di Bifidobacterium spp. e analisi chimica e biologica di un esopolisaccaride prodotto." Doctoral thesis, Università di Catania, 2016. http://hdl.handle.net/10761/3921.
Full textLORENZO, C. M. DI. "CARATTERIZZAZIONE FITOCHIMICA E VALUTAZIONE DELL'ATTIVITA' BIOLOGICA DI INGREDIENTI BOTANICI CONTENUTI IN INTEGRATORI ALIMENTARI." Doctoral thesis, Università degli Studi di Milano, 2013. http://hdl.handle.net/2434/215118.
Full textGalliera, E. R. "Caratterizzazione di nuovi meccanismi di inibizione dell'attività biologica delle chemochine infiammatorie : antagonisti recettoriali e recettori decoy." Doctoral thesis, Università degli Studi di Milano, 2006. http://hdl.handle.net/2434/54135.
Full textDi, Paolo Veronica. "Caratterizzazione in vitro della biotrasformazione di nuovi potenziali farmaci per la terapia dei tumori." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3421853.
Full textDrug metabolism studies play an important role in drug discovery and development [Foti and Dalvie, Drug Metab Dispos, 44: 1229, 2016]. A first aim of this work was to evaluate the reactivity of some nitrobenzoxadiazole (NBD) derivatives, namely the experimental antitumor agent 6-(7-nitro-2,1,3-benzoxadiazol-4-ylthio)hexanol (NBDHEX) and its analogues MC3181 and MC2753, towards the tripeptide glutathione (GSH). The obtained results showed that, differently from NBDHEX and MC3181, the benzoic acid ester of NBDHEX (MC2753), was stable in the presence of a physiological concentration of GSH [Fulci et al., J Enzyme Inhib Med Chem, 32: 240, 2017]. Subsequent experiments, aimed at assessing the stability of MC2753 to esterases, demonstrated its high susceptibility to hydrolysis catalyzed by a human liver microsomal carboxylesterase(s). Substitution of the ester group of MC2753 with an amide group gave compound MC4351, which was stable in the presence of human liver microsomes (HLMs), and quite less reactive than NBDHEX and MC3181 towards GSH. In the perspective of a possible repositioning of the antiprotozoal drug pyrimethamine (PYR) in the oncological field [Fang, Cancers (Basel), 6:494, 2014], a study was undertaken to improve the knowledge on its metabolic fate. In vitro studies were therefore conducted to investigate the possible oxidation and/or glucuronidation of PYR by HLMs or rat liver microsomes (RLMs). PYR was found to be stable in the presence of uridine 5'-diphospho-glucuronic acid (UDPGA)-supplemented HLMs or RLMs. On the other hand, PYR underwent NADPH-dependent metabolism by phenobarbital-induced RLMs, as well as by HLMs from a subject receiving phenobarbital; liquid chromatograpy coupled to diode array detection and mass spectrometry (LC-DAD-MS) analysis indicated formation of at least three monoxygenated metabolites. In vitro microsomal stability experiments were also conducted on a small panel of derivatives of the experimental tubulin polymerization inhibitor 7-phenylpyrroloquinolinone (7-PPyQ). Among the studied compounds, the N-benzoyl derivatives of 7-PPyQ named MG2718 and MG2854 are of considerable interest, due to their stability in HLMs both in the absence (hydrolytic metabolism) and in the presence of NADPH (oxidative metabolism). Both compounds are currently being screened for antineoplastic activity. Further trials analyzed the liver cytosolic stability of a small panel of aromatic aldehydes including o-vanillin, an inhibitor of NFkB with significant antitumor activity [Marton et al., Anticancer Res, 36: 5743, 2016], and some of its structural analogues. The same compounds are currently being screened for antitumor activity at the Biological Research Center (BRC) of the Hungarian Academy of Sciences (Szeged), and at the Department of Pharmaceutical Sciences (DSF) of Padua University. The aim of the project is to identify o-vanillin analogues endowed with a better pharmacological profile, in terms of both anticancer efficacy and metabolic stability. The results obtained indicate a significant involvement of a murine aldehyde oxidase(s) (AOX) in the metabolism of all the studied aldehydes, and the existence of remarkable differences between human and mouse in the rate of liver cytosolic metabolism of these compounds. Finally, a collaborative project has been recently established with the Aptuit Research Center in Verona and the Molecular Modeling Section of the DSF of Padua University, to identify form-selective inhibitors of the main human sulfotransferases (SULTs) involved in drug metabolism. The studies have led to the identification of two potent inhibitors of two major hepatic SULTs, namely SULT1A1 and SULT1B1.
Delbue, S. "Ritrovamento, caratterizzazione molecolare ed analisi di espressione del virus JC nei tumori cerebrali umani." Doctoral thesis, Università degli Studi di Milano, 2004. http://hdl.handle.net/2434/211814.
Full textBoran, Chiara. "Produzione,caratterizzazione e studio dell'attività biologica di TAT-OP1 fattore osteogenetico per l'ingegneria tissutale." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425996.
Full textGallina, Giovanna. "Caratterizzazione morfologica e molecolare di tumori stromali gastrointestinali (GIST) sincroni in popolazione adulta non sindromica." Doctoral thesis, Università degli studi di Padova, 2008. http://hdl.handle.net/11577/3425133.
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