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Articles de revues sur le sujet "B-LLA"
Leng, Xuefei, Zhiyong Wei, Yingying Ren, Yufei Bian, Qinyi Wang et Yang Li. « Copolymerization of l-lactide/trimethylene carbonate by organocatalysis : controlled synthesis of comb-like graft copolymers with side chains with different topologies ». RSC Advances 6, no 46 (2016) : 40371–82. http://dx.doi.org/10.1039/c6ra05481a.
Texte intégralGonzalez-Mendez, Sayra Zooet, Daniel Medina-Bautista et Alma Barajas-Espinosa. « Translocación Recíproca de los cromosomas 9 y 22 en los Genes BCR y ABL1 : Leucemia Linfoide Aguda de Estirpe B Pediátrica ». Ciencia Huasteca Boletín Científico de la Escuela Superior de Huejutla 9, no 18 (5 juillet 2021) : 1–5. http://dx.doi.org/10.29057/esh.v9i18.7050.
Texte intégralRuiz, Oscar, Carla Moore, John Rojas, David Díaz, Carlos Peña, Manuela Marangoni et Carlos Delgado. « Inmunofenotipo de leucemias agudas del Hospital Nacional Dos de Mayo, durante el periodo 2011-julio 2012 ». Anales de la Facultad de Medicina 73 (7 mai 2013) : 40. http://dx.doi.org/10.15381/anales.v73i1.2198.
Texte intégralKim, Ji-Heung, et Ju Hee Lee. « Preparation and chain-extension of P(LLA-b-TMC-b-LLA) triblock copolymers and their elastomeric properties ». Macromolecular Research 10, no 2 (mars 2002) : 54–59. http://dx.doi.org/10.1007/bf03218290.
Texte intégralCavalcanti Júnior, Geraldo Barroso, Wilson Savino, Raquel Ciuvalschi Maia, Jane de Almeida Dobbin, Maria Kadma Carriço, Hansa Cabral Harab et Maria do Socorro Pombo de Oliveira. « Correlação entre a expressão celular do CD44 e formas tumorais das leucemias linfoblásticas ». Revista Brasileira de Cancerologia 43, no 1 (27 septembre 2022) : 9–20. http://dx.doi.org/10.32635/2176-9745.rbc.1997v43n1.2834.
Texte intégralSilva, SHT, FFS Zacchi, AVS Sousa, YH Maekawa, TTT Catelan, MCA Silva, CE Miguel, AF Sandes et MV Goncalves. « RELATO DE CASO LLA PRÉ-B CD19 NEGATIVO ». Hematology, Transfusion and Cell Therapy 44 (octobre 2022) : S568. http://dx.doi.org/10.1016/j.htct.2022.09.972.
Texte intégralFabra, Macarena, Rocio Patiño, Claudio Enciso et Natalia Rivas. « Presentación Atípica de Leucemia Linfoblastica Aguda de tipo B en Adulto Joven sin expresión en sangre periférica ». Revista Hematología 26, no 3 (16 janvier 2023) : 65–69. http://dx.doi.org/10.48057/hematologa.v26i3.479.
Texte intégralReyes, Antonio A., Luis A. Ugozzoli, Jimmie D. Lowery, John W. Breneman, Craig S. Hixson, Richard D. Press et R. Bruce Wallace. « Linked Linear Amplification : A New Method for the Amplification of DNA ». Clinical Chemistry 47, no 1 (1 janvier 2001) : 31–40. http://dx.doi.org/10.1093/clinchem/47.1.31.
Texte intégralMulatsih, Sri, et Silvia Meiliana. « Leukemia Limfoblastik Akut pada Anak Usia di Bawah Satu Tahun ». Sari Pediatri 11, no 3 (24 novembre 2016) : 219. http://dx.doi.org/10.14238/sp11.3.2009.219-22.
Texte intégralDoi, Shouzaburoh, Nicholas Smedira et Paul A. Murray. « Pulmonary vasoregulation by endothelin in conscious dogs after left lung transplantation ». Journal of Applied Physiology 88, no 1 (1 janvier 2000) : 210–18. http://dx.doi.org/10.1152/jappl.2000.88.1.210.
Texte intégralThèses sur le sujet "B-LLA"
CRICRÌ, GIULIA. « ActivinA as a key modulator of B-Cell Precursor Acute Lymphoblastic Leukemia Cell motility and vesiculation within the bone marrow niche ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/304789.
Texte intégralAcute Lymphoblastic Leukemia (ALL) is the most common type of cancer in children. About 80% of the cases arises from precursor B cells (BCP-ALL), which abnormally accumulate as a consequence of genetic alterations associated to differentiation inhibition and abnormal expansion. Despite the 85% survival rate, a total of 10-15% of patients retains leukemic stem cells and their progenitors in the bone marrow (BM), thereby relapsing following treatment cessation. The importance of BM microenvironment for cancer progression has been widely recognized in recent years. In this study, we aimed to identify the crucial pathways involved in the bi-directional leukemia-stroma cross-talk that could be an attractive target for future antileukemic therapy. We focused our attention on the characterization of ActivinA, a TGF-β family member, within the BM leukemic niche. Here, we identified ActivinA as a new crucial factor exploited by leukemic cells to create a self-reinforcing niche: indeed, this molecule was highly expressed in the BM plasma of leukemic patients. Furthermore, we reported that BCP-ALL cells, along with the highly pro-inflammatory environment of leukemic BM, induced a strong increase in the molecule secretion by Mesenchymal Stromal Cells (MSCs). In accordance with its protumoral role in solid tumors, ActivinA strongly induced both random and CXCL12-driven migration of cells also in the context of BCP-ALL. We observed that ActivinA selectively stimulated these leukemic cell biological properties with a calcium- and actin polymerization-mediated mechanism as this molecule showed an opposite effect on Hematopoietic stem cells (HSCs). According to the literature, we found reduced CXCL12 levels in the leukemic BM, but ActivinA enhanced cell migration also towards suboptimal CXCL12 concentrations, suggesting a possible mechanism by which leukemic cells could persist in the BM niche, displacing healthy hematopoiesis. Our in vitro data about the pro-migratory and pro-invasive role of ActivinA were confirmed also in vivo. By using a xenograft mouse model of human BCP-ALL, we demonstrated the ability of ActivinA to enhance both BM engraftment and metastatic potential intro extra-medullary sites of leukemic cells. Notably, the regulation of calcium influx and cytoskeleton organization by ActivinA is an important process to stimulate also cell vesiculation. Recent studies have shown that cancer extracellular vesicles (EVs) can mediate cell-cell communication and potentially contribute to tumor progression. Therefore, we investigated whether ActivinA was able to influence vesiculation by leukemic cells. We demonstrated that ActivinA increased the production of both exosomes and MVs by BCP-ALL cells. We found that EVs transport the t(1;19) fusion transcript, typical of cells from which they originate. We then studied the biological effects by which ActivinA-induced leukemia EVs can actively promote BCP-ALL disease, focusing our attention on resistance to therapy. Firstly, we demonstrated that ActivinA significantly decreased the sensitivity of leukemic cells to the anti-leukemic drug Asparaginase (ASNase) which was re-stored by blocking ActivinA signaling. Interestingly, also ActivinA-induced leukemia EVs conferred resistance to leukemic cells. To understand the mechanism underlying EV chemoprotection, we explored their miRNA cargo and identified differentially expressed miRNAs induced by ActivinA treatment. Of these, miR-491-5p has been previously reported to be associated with ASNase chemoresistance in childhood leukemia. The discovery of ActivinA signaling between BCP-ALL cells and MSCs adds significant insights into the mechanisms of communication in the leukemic niche. Moreover, ActivinA-induced leukemia EVs seem to play a crucial role in sustaining leukemic cells, by conferring them drug resistance. Our data provide a new concept to develop alternative therapeutic strategies that include targeting of the leukemic niche in BCP-ALL.
Mohr, Audrey. « Caractérisation des lymphocytes B régulateurs dans la leucémie lymphoïde chronique ». Thesis, Brest, 2016. http://www.theses.fr/2016BRES0066/document.
Texte intégralBackground: Chronic lymphocytic leukemia (CLL) is characterized by expansion of CD5+B cells associated with disruption of immune responses, contributing to the immunodeficiency and the disease progression. Regulatory B (Breg) cells may control the anti-tumor responses favoring tumor escape. Intriguingly, CLL B cells share phenotypical characteristics with these cells.Aims: The main focus of this project is to evaluate the regulatory function of CLL B cells, aiming to estimate their influence on the lack of anti-tumor responses mediated by T cells.Methods: In vitro models of co-cultures between T and B cells are used to appraise the regulatory capacity of CLL B cells on T cell proliferation.Results: We determined a defective spontaneous regulatory function for CLL B cells. Two groups of patients have been identified following CpG-ODN stimulation. The first group presents defective regulatory B cell functions compared with control B cells. In the second group, no inhibitory activity is detected. TLR-9 gene expression analysis highlighted differential gene expression between controls and the two groups of CLL patients. Moreover, ours observations indicate that patients with low Breg activity have more aggressive disease.Conclusion: These results suggest alteration of the TLR-9 pathway in CLL B cells. To go further, it will be of interest to identify the molecular mechanisms damaging the TLR-9 pathway. These results would contribute to clarify the lack of anti-tumor immune response found in the CLL patients
Zanin, Rafael Fernandes. « Hidrólise extracelular de ATP e ADP pela enzima NTPDase1 em linfócitos de pacientes com leucemia linfocítica crônica-B ». Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/11149.
Texte intégralA atividade da enzima NTPDase1 (E.C.3.6.1.5, Apyrase, ecto-ATP-difosfoidrolase,CD39) que hidrolisa ATP e ADP, foi analisada em linfócitos periféricos de pacientes com leucemia linfocítica crônica (LLC-B), doença que possui como característica principal o acúmulo de linfócitos B maduros. A amostra foi composta por 23 pacientes com LLC-B, diagnosticados de acordo com critérios clínicos, laboratoriais e resultados de imunofenotipagem. Os pacientes foram divididos, conforme o sistema de classificação de Binet, em 4 grupos: estágio A (inicial), estágio B (intermediário), estágio C (avançado) e um grupo controle. Os resultados demonstraram que a hidrólise do ATP foi significativamente aumentada (F(29,3)=26.79 p<0.001) em todos os estágios da doença e em relação ao controle e esse aumento é compatível com o avanço da doença mostrando a maior hidrólise no estágio C. A hidrólise do ADP acompanhou os resultados do ATP e também estava aumentada (F(29,3)= 23.76 p<0.001). Além disso, verificou-se uma forte correlação entre a atividade da enzima NTPDase1 e a contagem absoluta de glóbulos brancos do sangue periférico. A alteração na atividade da enzima NTPDase1 em linfócitos de pacientes com LLC-B em seus diferentes estágios, vem confirmar o importante papel das ecto-nucleotidases na regulação dos níveis de ATP e ADP, os quais atuam como moléculas sinalizadores em várias células sangüíneas como os linfócitos. Entretanto, mais estudos são necessários para melhor elucidar as funções desse sistema enzimático no controle de nucleotídeos e o seu papel na LLC-B.
Rebelo, Sandra Sofia da Silva Ferreira. « Estudo por citogenética convencional e FISH de 50 amostras com LLC-B ». Master's thesis, Universidade de Aveiro, 2009. http://hdl.handle.net/10773/844.
Texte intégralA leucemia linfocítica crónica do tipo B (LLC-B) é a forma de leucemia mais comum nos adultos do hemisfério Ocidental e, apesar de afectar sobretudo indivíduos idosos, cerca de um quinto dos pacientes tem menos de 55 anos quando diagnosticada. Esta patologia segue um decurso clínico variável com taxas de sobrevivência que se estendem de meses a décadas. Tem-se verificado uma evolução crescente no conhecimento e compreensão das doenças linfoproliferativas crónicas durante os últimos 30 anos, recorrendo a métodos citogenéticos, moleculares e imunológicos. Até ao final dos anos 70, as alterações cromossómicas eram estudadas por culturas de curta duração in vitro e análise das metafases. Contudo, devido ao baixo índice mitótico espontâneo das células tumorais, não foi possível identificar anomalias associadas à LLC-B através deste método, visto que se obtinham metafases de baixa qualidade e em escassa quantidade. Na década de 80 alguns mitogéneos como TPA, lipopolissacarídeos e pokeweed começaram a ser aplicados para estimulação das células B, permitindo identificar as alterações genéticas recorrentes desta patologia. O presente trabalho teve como objectivo identificar, em cinquenta amostras de sangue periférico com LLC-B diagnosticada, as alterações cromossómicas associadas à doença que estão documentadas na literatura e determinação da existência de novas alterações recorrentes, através da aplicação de técnicas citogenéticas e moleculares (Fluorescence in situ Hybridization (FISH)). Relativamente aos resultados citogenéticos deste trabalho, foi possível estimular o crescimento celular na totalidade das amostras, obtendo-se preparações cromossómicas com tamanho e resolução de bandas desejável para análise e em 66% dos casos foram detectadas anomalias cromossómicas. A delecção do cromossoma 13q14 foi a alteração cromossómica mais frequente, seguida da trissomia do cromossoma 12, e da delecção do locus 17p13. Foram identificadas outras mutações pouco comuns, nomeadamente translocações equilibradas em 8% das amostras e, quando presentes envolviam, normalmente, o cromossoma 14q. Relativamente à delecção dos loci 13q14 e 17p13 e trissomia do cromossoma 12, procedeu-se à sua pesquisa por FISH, permitindo a sua identificação em 54% das amostras. Os resultados citogenéticos foram confirmados pela técnica molecular, e em um caso em concreto, a FISH permitiu a detecção de uma delecção subtil do cromossoma 13q14 imperceptível por métodos clássicos. ABSTRACT: B-cell chronic lymphocytic leukaemia (B-CLL) is the most common form of adult leukaemia in the Western hemisphere and, although it mainly affects the elderly, about one fifth of the patients are less than 55 years old at diagnosis. This pathology follows a variable clinical course with overall survival times ranging from months to decades. Over the past 30 years there has been an increasing evolution in the knowledge and understanding of chronic lymphoproliferative disorders, based on cytogenetic, molecular and immunological methods. Until the late 1970s, chromosome alterations were studied by conventional short-term in vitro cultures and chromosome analysis. Nevertheless, due to the low in vitro mitotic activity of the tumour cells, it was unable to identify genetic abnormalities associated to B-CLL through this method, once it led to poor quantity and quality of metaphase spreads. In the 1980s some mitogens, such as TPA, lipopolysaccharides and pokeweed, began being applied to stimulate B cells so they could proliferate in vitro and led to the identification of recurrent genetic alterations in B-CLL. The present work´s purpose consisted in identifying, in fifty peripheral blood samples diagnosed with B-CLL, the chromosomal alterations documented in literature associated to this disease, and determining the existence of new recurrent alterations through cytogenetic and molecular (Fluorescence in situ Hybridization (FISH)) methods. Relatively to the cytogenetic results within this document, the cellular mitotic activity was induced in every sample, permitting to generate metaphase spreads with suitable size and bands resolution for analysis, and in 66% of the cases chromosomal anomalies were detected. Deletion of chromosome 13q14 was the most frequent chromosomal aberration, followed by trissomy of chromosome 12 and deletion of the locus 17p13. Other unusual mutations were identified, namely balanced translocations in 8% of the cases and, when they were present, they usually involved the chromosome 14q. In what concerns to the deletion of the loci 13q14, 17p13 and trissomy of 12 FISH was performed, allowing their identification in 54% of the samples. The cytogenetic results were confirmed by the molecular technique, and specifically in one case, FISH permitted the detection of a subtle deletion of chromosome 13q14 which was imperceptible by conventional methods.
Villamor, i. Casas Neus. « Activitat "natural killer" a la leucèmia limfàtica crònica de línia B ». Doctoral thesis, Universitat de Barcelona, 1991. http://hdl.handle.net/10803/2319.
Texte intégralLa funció de les CNK dintre de l'organisme és molt àmplia. Controla el creixement i disseminació de cèl.lules tumorals i de cèl.lules infectades pel virus, regula el creixement de la "stem cell" hemopoètica, participa en el rebuig d'empelts i produeix diverses citoquines que controlen la funció dels limfòcits B i T. La leucèmia limfàtica crònica de línia B (LLC-B) és el procés limfoproliferatiu més freqüent en el nostre ambient. Dintre de l'espectre de signes i símptomes de la malaltia s'han descrit diverses alteracions immunes que afecten tant als limfòcits B com els limfócits T. En els últims anys diversos autors han suggerit que la CNK present en pacients amb LLC-B presenta alteracions. Els treballs realitzats sobre la CNK a la LLC-B són pocs i inclouen un nombre petit de malalts. El motiu que provoca el defecte funcional trobat en la població "natural killer" (NK) no es coneix. A més, cap d'aquests treballs analitza l'activitat "natural Killer" (ANK) en relació amb les característiques clínico-analítiques dels pacients.
Per aquestes raons, els principals objectius de la recerca presentada en la present tesi són els següents:
1. Mesurar l'ANK en pacients amb LLC-B
2. Relacionar l'ANK amb les característiques dels pacients.
3. Valorar l'efecte del tractament sobre l'ANK dels pacients amb especial atenció a l'efecte de l'interferó "in vivo".
Natural killer (NK) cells play a role in immune surveillance against tumoral and infected cells, and display immunoregulatory functions over B and T lymphocytes. In B cell chronic lymphocytic leukemia (B-CLL) there exist immune alterations affecting B and T lymphocytes. Recently NK disfunction was also noticed regarding activity (NKa) and surface phenotype. NKa was analyzed in 67 patients with B-CLL using the (51)Cr release assay and the lymphocytic phenotype by means of CD2, CD4, CD8, CD16, CD11b, CXD57, CND56 and CD19.
Moga, Naranjo M. Esther. « Potenciació de la citotoxicitat cel·lular induïda pel Rituximab en cèl·lules B de LLC ». Doctoral thesis, Universitat Autònoma de Barcelona, 2008. http://hdl.handle.net/10803/3814.
Texte intégralDiferents estudis en fase II han mostrat que l'associació del rituximab a la quimioteràpia ha millorat el percentatge de resposta i el període lliure de malaltia. No obstant, tots els pacients a la llarga experimenten una progressió de la malaltia. Un dels principals mecanismes d'acció del rituximab és la citotoxicitat cel·lular depenent d'anticossos. Les principals cèl·lules efectores implicades en aquest mecanisme d'acció són les cèl·lules portadores de receptors Fcγ, i dintre d'aquest grup les que juguen un paper primordial són les cèl·lules NK.
La hipòtesi general va ser l'anàlisi de molècules potenciadores de la capacitat citotòxica de les cèl·lules NK i de l'ADCC, per poder ser utilitzades associades al rituximab com a adjuvants en el tractament de les leucèmies limfàtiques cròniques. Entre aquestes molècules es va estudiar el CpG ODN A per mimetitzar l'activitat estimuladora del DNA bacterià, a través del TLR9 i provocar una forta activació i síntesi d'IFNγ per cèl·lules NK. L'altre molècula va ser l'IL-15 per estar estretament relacionada en la supervivència, proliferació i activació de les cèl·lules NK.
Es va observar que la IL-15 i el CpG ODN A eren 2 molècules estimuladores que potenciaven significativament la capacitat citotòxica de PBMCs, en presència o absència de rituximab, quan s'enfrontaven tant a una línia cel·lular de limfoma B humà com a cèl·lules leucèmiques de LLC-B. La principal població efectora responsable d'aquesta potenciació citotòxica van ser les cèl·lules NK. No obstant el mecanisme d'acció responsable va ser diferent. Mentre que la IL-15 incrementava la capacitat citotòxica de la cèl·lula NK tant directament com indirectament, el CpG ODN A ho feia només indirectament requerint de senyals addicionals presents a les PBMCs.
Quan les PBMCs es van enfrontar a cèl·lules de limfoma B de la línia cel·lular Raji va resultar que els dos estímuls es comportaven igual. Però quan van ser cèl·lules leucèmiques de LLC-B, la IL-15 es va comportar com un estímul significativament més potent que el CpG ODN A incrementant la citotoxicitat natural i l'ADCC. La IL-15 en aquest sentit va actuar incrementant l'expressió de receptors relacionats amb cèl·lules NK en desgranulació (CD16, CD69 i NKG2D) i del receptor LFA-1 implicat en la senyalització de la citotoxicitat (adhesió cel·lular). Així com produint un augment significatiu d'IFN-γ.
En presència de TGF-β, citocina immunosupressora que disminueix de manera significativa la citotoxicitat natural i l'ADCC de PBMCs enfrontades a cèl·lules leucèmiques de LLC, la IL-15 va poder contrarestar aquest efecte supressor. De la mateixa manera en presència d'IL-15, la disminució que provoca el TGF-β en la producció d'IFN-γ, va ser menor i més variable no sent significativa.
The clinical course of chronic lymphocytic leukemia is often insidious, but it is a disease that remains not treatable. Even using the best therapeutic options, symptomatic patients have a survival between 1-7 years. Several series of therapeutic combinations have been evaluated for patients with relapses and refractory to treatment, but none has been demonstrated to be superior. Therefore, it is notable the need to find therapeutic alternatives for these patients.
Different studies in phase II have shown that the addition of rituximab to chemotherapy has improved the percentage of response and the disease free period. However, all patients suffer progression of the disease at long term. One of the main mechanisms of action of rituximab is the antibody mediated cytotoxicity. The most important effector cells involved in this mechanism of action are Fcγ receptors cells, specifically NK cells.
The general hypothesis is the analysis of molecules enhancing the cytotoxic capacity of NK cells and ADCC, for them to be used in addition to rituximab as adjuvant in the treatment of chronic lymphocytic leukemia. Amongst these molecules, CpG ODN A was studied because its capacity to mimetise the stimulating activity of bacterial DNA through TLR9 and to induce a strong activation and synthesis of IFNγ by NK cells. The other molecule was IL-15, due to its involvement in survival, proliferation and activation of NK cells.
It was observed that IL-15 and CpG ODN A were two stimulating molecules than significantly enhanced the cytotoxic capacity of PBMCs, in the presence or absence of rituximab, when they were confronted to cells from B lymphoma Raji line and to leukemic cells from CLL-B. The major effector population responsible for this cytotoxic enhancement are the NK cells. However, the mechanism of action is different. Whereas IL-15 increased the cytotoxic capacity of the NK cell directly as much as indirectly, CpG ODN A did it only indirectly, requiring of additional signals present in PBMCs.
When PBMCs were confronted to Raji cells from B cell lymphoma, the two stimuli had a similar behavior. However, when PBMCs were confronted to leukemic cells from CLL-B, Il-15 was a stronger stimulus than CpG ODN A, enhancing the natural cytotoxicity and ADCC. In this way, IL-15 worked increasing the expression of receptors related to degranulating NK cells (CD16, CD69 and NKG2D) and of LFA-1 receptor, implied in the cytotoxicity signaling (cellular adhesion), and increasing significantly IFNγ production.
In the presence of TGF-β, immunosupressor cytokine that decrease significantly the natural cytotoxicity and ADCC of PBMCs confronted to leukemic cells from CLL, IL-15 is able to counteract this suppressive effect. In the same way, the reduction caused in IFN-γ production is going to be smaller and more variable in the presence of IL-15, although not significantly.
Bras, Marlène. « Etude des mécanismes régulant la mort cellulaire indépendante des caspases médiée par CD47 dans la leucémie lymphoïde chronique B (LLC-B) ». Paris 6, 2006. http://www.theses.fr/2006PA066240.
Texte intégralB lymphocytes of B Chronic Lymphocytic Leukaemia (B-CLL) frequently present anomalies which make them resistant to classical apoptosis induced by chimiotherapeutic agents. In this context, our results show that CD47 stimulation induces a new cell death pathway which remains functional in B-CLL cells, independently of their sensitivity to classical apoptosis. This cell death is exclusively characterized by cytoplasmic alterations. Mitochondrial alterations are not coupled with the release of proapoptotic proteins and are not controlled by the Bcl-2 family of proteins. However, these alterations are controlled by the mitochondrial translocation of Drp-1. Since the caspases are not implicated in these processes, the whole cellular damage observed can be inhibited by serpase inhibitors
Ghamlouch, Hussein. « La différenciation des cellules B de la LLC en cellules sécrétrices d'anticorps : conséquences sur notre compréhension de la physiopathologie de la LLC ». Amiens, 2014. http://www.theses.fr/2014AMIED002.
Texte intégralNeiva, Luciana Barros de Moura. « Toxicidade da polimixina B em células LLC-PK1 e a enzima heme oxigenase-1 ». Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/7/7139/tde-07052009-112206/.
Texte intégralIn the acute kidney injury, the mechanisms of defense act as protector genes, as the protein heat shock 32 (HSP 32), also known as heme oxygenase-1 (HO-1). The polymyxin B (PmxB) is a nephrotoxic antimicrobial. The aim of this study was to distinguish the role of the HO-1 enzyme in the PmxB toxicity in LLC-PK1 cells. The cells were submitted to the following treatments: Control (CTL- 0µM); Hemin (inhibitor of HO-1, 25µM); Hemin II (250M), Zinc protoporphyrin (ZnPP - inhibitor of HO-1, 10M,); NG-nitro-L-arginine methyl ester (L-NAME - inhibitor of iNOS, 0,1mM); PmxB (375µM); PmxB + Hemin (25µM of Hemin one hour before the PmxB); PmxB + ZnPP (10M of ZnPP one hour before the PmxB); PmxB + Hemin + L-NAME (25M of Hemin and 0,1mM of L-NAME one hour before the PmxB). All groups were evaluated in 24 and 72 hours. The following parameters were analysed: lactate dehydrogenase (LDH), lipid peroxidation (MDA), genic expression of HO-1 by RT-PCR, protein syntesis of HO-1 by immunofluorescence, nitric oxide (NO) by Griess method and protein expression of HO-1 and of iNOS by western blotting. The results showed that PmxB increased the LDH and the levels of MDA. Hemin and ZnPP also increased the LDH variables, MDA and nitric oxide (NO). The inducer of HO-1 improved the protein expression of HO-1 and of iNOS. The PmxB was confirmed as a cytotoxic and the HO-1 intensified the failure by oxidative mechanisms. The effect of HO-1 in the cell injury seemed to be mediated by NO
Martínez, Lostao Luis. « STAT1 en la apoptosis inducida por fludarabina e inhibidores de Jak Kinasas en las celulas de LLC-B. Papel de las celulas adherentes en la apoptosis inducida por fludarabina ». Doctoral thesis, Universitat Autònoma de Barcelona, 2004. http://hdl.handle.net/10803/3755.
Texte intégralLivres sur le sujet "B-LLA"
Weight, Carel. Strange happenings in the commonplace = : Digwyddiadau rhyfedd mewin lle cyffredin : aretrospective exhibition of the work of Professor Carel Weight R. A., C. B. E.. Newport : Newport Museum and Art Gallery, 1993.
Trouver le texte intégralColoring, Cartoon. Bẹlla Sára Coloring Book : JUMBO Bẹlla Sára Colouring Book for Children, Amazing Colouring Book for Boys and Girls Ages 2-4, 4-8 and Toddlers. Independently Published, 2022.
Trouver le texte intégralColoring, Cartoon. Bẹlla Sára Coloring Book : JUMBO Bẹlla Sára Colouring Book for Children, Amazing Colouring Book for Boys and Girls Ages 2-4, 4-8 and Toddlers. Independently Published, 2022.
Trouver le texte intégralBetz, Adrienne J., Brian Burke, Cheryl A. Rickabaugh et Lester M. Sdorow. PSYCHOLOGY, Nineth Edition (LLF-B/W). Academic Media Solutions, 2022.
Trouver le texte intégralmood, kali. Bịlliẹ ; ẹilish Calendar 2022 : Bịlliẹ ; ẹilish 2022 Calendar, Monthly Colorful Square. Independently Published, 2022.
Trouver le texte intégralPearson, Jeff. Welcome to d*ck N B*lls Tower ! Independently Published, 2020.
Trouver le texte intégralSmith, L. Murphy, Leonard Bierman, Antonio Arreola-Risa, Julian Gaspar et James Kolari. INTRODUCTION to BUSINESS, Fourth Edition (LLF-B/W). Academic Media Solutions, 2023.
Trouver le texte intégralDuBrin, Andrew. FUNDAMENTALS of ORGANIZATIONAL BEHAVIOR, Sixth Edition (LLF-B/W). Academic Media Solutions, 2022.
Trouver le texte intégralFUNDAMENTALS INDUSTRIAL and ORGANIZATIONAL PSYCHOLOGY, First Edition (LLF-B/W). Academic Media Solutions, 2023.
Trouver le texte intégralLor, patrice. Bịlliẹ ; ẹilish Calendar 2022-2023 : Bịlliẹ ; ẹilish Calendar 2022-2023, 8. 5 X 8. 5 Inch Monthly Square Calendar. Independently Published, 2022.
Trouver le texte intégralChapitres de livres sur le sujet "B-LLA"
Peter, Henry, et Vincent Pfammatter. « Social Enterprises and Benefit Corporations in Switzerland ». Dans The International Handbook of Social Enterprise Law, 831–60. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14216-1_40.
Texte intégralRay, Ipsita. « New Physics Effects in $$b \rightarrow s ll$$ Decays ». Dans Springer Proceedings in Physics, 127–31. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2354-8_23.
Texte intégralFerreiro, S., R. Sacchi, L. Frølich, D. Herfort et J. S. Damtoft. « Calcined Clay-To-Limestone Ratio on Durability Properties of Concrete with Low Clinker CEM II/B-M(Q/LL) Cements ». Dans RILEM Bookseries, 425–33. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76551-4_38.
Texte intégralViana, Bianca Gomes, Larissa dos Santos Nogueira, Letícia da Silva Rodrigues, Luiz Enrique Bardales Araújo et Alexander Leonardo Silva Junior. « Aspectos farmacológicos no tratamento da leucemia linfoblástica aguda B (LLA-B) ». Dans Interdisciplinaridade em Ciências Farmacêuticas. Editora Poisson, 2022. http://dx.doi.org/10.36229/978-65-5866-236-5.cap.17.
Texte intégral« (Ill) (lll)a (lll)b,c (lll)a,e,f (lll)g,h ». Dans Oxygen in Catalysis, 234–40. CRC Press, 1990. http://dx.doi.org/10.1201/9781482293289-39.
Texte intégralStorey, Valerie Anne, et Michele Gregoire Gill. « Investing in the Future ». Dans Advocacy in Academia and the Role of Teacher Preparation Programs, 288–301. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-2906-4.ch016.
Texte intégralTurel, Vehbi. « The Use and Design of Supplementary Visuals for the Enhancement of Listening Skills in Hypermedia ». Dans Advances in Public Policy and Administration, 268–91. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-6248-3.ch016.
Texte intégral« Allocation of Partnership and LLC Income Under Section 704(b) ». Dans Advanced Tax Strategies for LLCs and Partnerships, 1–1. New York, NY : American Institute of Certified Public Accountants, Inc., 2018. http://dx.doi.org/10.1002/9781119512400.ch1.
Texte intégral« LG Investments, LLC : A Family Business in Generational Transition (B) ». Dans Growing an Entrepreneurial Business, 304–5. Stanford University Press, 2020. http://dx.doi.org/10.1515/9780804777568-031.
Texte intégral« Appendix B : Case Study - Consultants : Leadership Development Services, LLC, and RGP ». Dans Clash of the Generations, 155–60. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119220640.app2.
Texte intégralActes de conférences sur le sujet "B-LLA"
Sakaguchi, Alberto Yoich, Marla Karine Amarante, Carlos Eduardo Coral Oliveira, Fausto Celso Trigo et Maria Angelica Ehara Watanabe. « INFLUÊNCIA DO POLIMORFISMO GENÉTICO DO RECEPTOR II DO TGF BETA NA APRESENTAÇÃO CLÍNICA DE PACIENTES COM LEUCEMIA LINFOIDE AGUDA INFANTOJUVENIL NA POPULAÇÃO BRASILEIRA ». Dans I Congresso Brasileiro de Hematologia Clínico-laboratorial On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/625.
Texte intégralSilva, Leandro Vasconcelos Da, et Muriel Pereira Souto. « PANORAMA GERAL SOBRE AS CÉLULAS CAR-T : AVANÇOS NA IMUNOTERAPIA CELULAR CONTRA O CÂNCER ». Dans II Congresso Brasileiro de Biotecnologia On-line. Revista Multidisciplinar de Educação e Meio Ambiente, 2022. http://dx.doi.org/10.51189/conbiotec/41.
Texte intégralWehle, Simon. « Rare radiative and semileptonic $b\to s ll$ $B$ decays at Belle ». Dans 9th International Workshop on the CKM Unitarity Triangle. Trieste, Italy : Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.291.0073.
Texte intégralSmith, Robin J., Andrew H. Sherry, Anthony J. Horn et Adam C. Bannister. « A Method to Derive the JC Value of a 1T SE(B) Using Charpy Impact Energy in the Lower Ductile to Brittle Transition ». Dans ASME 2015 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/pvp2015-45922.
Texte intégralSilva, Nilson José Frutuoso da, et Lidiane Régia Pereira Braga de Britto. « REVISÃO INTEGRATIVA DOS MARCADORES MOLECULARES DA LEUCEMIA LINFÓIDE CRÔNICA (LLC) ». Dans Congresso Nacional de Genética. CONGRESSE.ME, 2021. http://dx.doi.org/10.54265/xzbb7841.
Texte intégralMandal, Rusa. « Right-handed currents in $B\to K^{*}ll$ ». Dans 9th International Workshop on the CKM Unitarity Triangle. Trieste, Italy : Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.291.0058.
Texte intégralWatanuki, Shun. « $B\rightarrow K^{(\ast)}ll$ (and$B\rightarrow X_{s}\gamma$) measurements at Belle ». Dans 18th International Conference on B-Physics at Frontier Machines. Trieste, Italy : Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.377.0033.
Texte intégralBoletti, Alessio. « B to K*ll and rare decays at CMS ». Dans 16th International Conference on B-Physics at Frontier Machines. Trieste, Italy : Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.273.0045.
Texte intégralRibeiro, Alessandro Martins, Caio Cesar Souza Alves et Roberta Barbizan Petinari. « DIAGNÓSTICO POR IMUNOFENOTIPAGEM PARA LEUCEMIA LINFOCÍTICA CRÔNICA ». Dans II Congresso Brasileiro de Biologia Molecular On-line. Revista Multidisciplinar em Saúde, 2021. http://dx.doi.org/10.51161/rems/2319.
Texte intégralUysal, Pelin, Atyac Karadag, Sibel Yurt, Nevin Fazlioglu, Abdulhalim Senyigit, Ramila Hajiyeva, Gonul Simsek, Filiz Kosar et Hafize Uzun. « Evaluation of plasma LL-37 and nuclear factor kappa B (NF-κB) levels in stable chronic obstructive pulmonary disease ». Dans ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa3613.
Texte intégralRapports d'organisations sur le sujet "B-LLA"
Ryd, Anders. Evidence for the Flavor Changing Neutral Current Decays B->Kll and B->K*ll. Office of Scientific and Technical Information (OSTI), juillet 2002. http://dx.doi.org/10.2172/799971.
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