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ElFihry Raouia Elmessaoudi-Idrissi Mohcine Jadid Fatima-Zahra Zaidane Imane Chihab Hajar Tahiri Mohamed Kabine Mostafa Badre Wafaa Chemin Isabelle Marchio Agnes Pineau Pascal Ezzikouri Sayeh Benjelloun Soumaya 《中国病毒学》2020,35(5):566-574
Virologica Sinica - Hepatitis C virus (HCV) is still one of the main causes of liver disease worldwide. Metabolic disorders, including non-alcoholic fatty liver disease (NAFLD), induced by HCV have... 相似文献
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Hajar Chihab Wafaa Badre Mohamed Tahiri Fatima-Zahra Jadid Imane Zaidane Raouia Elfihry Agnès Marchio Pascal Pineau Sayeh Ezzikouri Soumaya Benjelloun 《Microbes and infection / Institut Pasteur》2021,23(4-5):104802
ObjectivesThe interferon (IFN) is known to bridge innate and adaptive immune responses, and to play a critical role particularly against hepatitis B virus (HBV) infection. Defects in IFN signals may result, therefore, in attenuated responses against HBV. Accordingly, polymorphisms in genes coding for immune response effectors may affect the clinical outcome of HBV infection. We analyzed the putative association between IFNL4 rs12979860 polymorphism and the outcome of HBV infection in Moroccan patients.MethodsIn this study, 237 chronic HBV (CHB) patients and 129 spontaneously resolved HBV (SRB) individuals were enrolled and genotyped using a predesigned Taqman allelic discrimination assay.ResultsOur data show a significant increase of HBV DNA loads in patients with IFNL4 rs12979860 CC genotype compared to patients with CT and TT genotypes (p = 0.0008). However, there was no consistent association between IFNL4 rs12979860 polymorphism and the outcome of HBV infection.ConclusionsAlthough IFNL4 rs12979860 polymorphism seems to modulate circulating HBV DNA levels, it is disconnected from chronic disease progression. This observation suggests that the role of rs12979860 in liver disease is restricted to viral control and inactive in the deleterious immune pathology that affects liver tissue. Taken together, our data suggest that rs12979860 CC genotypes could be useful as a predictor of success or failure of IFN-based therapy in chronic HBV-infected patients. 相似文献
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Lack of Correlation Between the Effects of Transient Exposure to Glutamate and Those of Hypoxia/Reoxygenation in Immature Neurons In Vitro 总被引:2,自引:1,他引:1
Rifki Chihab Carine Bossenmeyer Jean Oillet Jean-Luc Daval 《Journal of neurochemistry》1998,71(3):1177-1186
Abstract: To assess the influence of brain immaturity on the effects of oxygen deprivation and the participation of excitotoxicity, the consequences of a 6-h exposure to either hypoxia (95% N2 /5% CO2 ) or 100 µ M glutamate were studied in cultured fetal rat forebrain neurons taken at two maturational stages, i.e., 6 and 13 days in vitro. Cells were examined for their morphology, viability, energy metabolism reflected by 2- d -[3 H]deoxyglucose uptake, and protein synthesis assessed by [3 H]leucine incorporation. Apoptosis and necrosis were scored using the fluorescent dye 4,6-diamidino-2-phenylindole. Whereas 6-day-old neurons responded to a 6-h hypoxia by transient hypermetabolism, biphasic increase in protein synthesis, and cycloheximide-sensitive apoptotic death within 72 h postexposure, glutamate did not affect cell characteristics by the same time. In 13-day-old neurons, hypoxia induced both apoptosis (8.2%) and necrosis (22.3%). At this age, glutamate definitely reduced energy metabolism (26%) and protein synthesis (17%) by the end of exposure. The percentage of necrotic neurons reached 40.7%, but the rate of apoptosis was unchanged compared with controls. Therefore, excitotoxicity cannot account for hypoxia-induced injury in immature neurons, but its participation is suggested in older cells by the suppression of the necrotic component of hypoxia by glutamate receptor antagonists at 13 days. 相似文献
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Ko LW DeTure M Sahara N Chihab R Vega IE Yen SH 《Biochimica et biophysica acta》2005,1739(2-3):125-139
Intracellular assembly of microtubule-associated protein tau into filamentous inclusions is central to Alzheimer's disease and related disorders collectively known as tauopathies. Although tau mutations, posttranslational modifications and degradations have been the focus of investigations, the mechanism of tau fibrillogenesis in vivo still remains elusive. Different strategies have been undertaken to generate animal and cellular models for tauopathies. Some are used to study the molecular events leading to the assembly and accumulation of tau filaments, and others to identify potential therapeutic agents that are capable of impeding tauopathy. This review highlights the latest developments in new models and how their utility improves our understanding of the sequence of events leading to human tauopathy. 相似文献
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Chakravarti, Leila Zaki. Made in Egypt: gendered identity and aspiration on the globalised shop floor. 258 pp., maps,tables, figs,illus., bibliogr. Oxford,New York: Berghahn Books, 2016. £68.00 (cloth) 下载免费PDF全文
Chihab El Khachab 《The journal of the Royal Anthropological Institute》2018,24(1):209-210
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Chihab El Khachab 《The journal of the Royal Anthropological Institute》2021,27(3):599-616
The anthropology of cinema has been instrumental in describing the ‘unseen’ labour invested in making films. What has been less explored is film workers’ erasure of each other's concrete effort in a similar manner. This process is what I call ‘reification’. Extending Georg Lukács's reflections, I argue that the relations of production throughout the film-making process seem to be transformed into relations between things (images and sounds) in a recurring pattern. In Egypt, this transformation impacts every juncture in commercial film production, and film workers manage its continuous impact via conventional means of recognition towards their concrete work. The overarching project is to understand, on the one hand, how the serial erasure of concrete work contributes to creating the film as a commodity and, on the other hand, how workers find value in their work under conditions where their effort is consumed by the things that they produce. 相似文献
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