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Polymorphisms in oxidative pathway related genes and susceptibility to inflammatory bowel disease

World Journal of Gastroenterology 2017年第47期23卷 8300-8307页

作者： Nezha Senhaji Sellama Nadifi younes Zaid Aurora Serrano Daniel Arturo leon Rodriguez Nadia Serbati Mehdi Karkouri Wafaa Badre Javier Martín laboratory of Genetic and Molecular Pathology Faculty of Medicine and Pharmacy of CasablancaHassanⅡUniversity Mohammed VI University of Health Sciences instituto de parasitología y biomedicina lópez-neyra Consejo Superior de Investigaciones Científicas department of Pathology CHU Ibn Rochd department of Gastroenterology CHU Ibn Rochd

AIM To investigate whether common variants in the oxidative pathway genes influence inflammatory bowel disease(IBD) risk among Moroccan patients. METHODS The distribution of(TAAA)n_rs12720460 and(CCTTT)n_rs3833912 NOS2 A microsatellite repeats, HIF-1 A_rs11549467 and NFKB1-94 ins/delA TTG_rs28362491 was analyzed in 507 subjects grouped in 199 IBD and 308 healthy controls. Genotyping was performed withpolymerase chain reaction-fluorescent method and the TaqMan~? allelic discrimination technology.RESUlTS The allele and genotype frequencies of HIF1 A_ rs11549467, NFKB1_rs28362491 and NOS2 A_(TAAA)n did not differ significantly between patients and controls. Analysis of NOS2 A_(CCTTT)n markers evidenced differences between patients and healthy controls. A preferential presence of the(CCTTT)8(P = 0.02; OR = 1.71, 95%CI: 1.07-2.74),(CCTTT)14(P = 0.02; OR = 1.71, 95%CI: 1.06-2.76) alleles in IBD,(CCTTT)8(P = 0.008; OR = 1.95, 95%CI: 1.17-3.23) in CD and(CCTTT)7(P = 0.009; OR = 7.61, 95%CI: 1.25-46.08),(CCTTT)11(P = 0.05; OR = 0.51, 95%CI: 0.25-1.01),(CCTTT)14(P = 0.02; OR = 2.05, 95%CI: 1.07-3.94),(CCTTT)15(P = 0.01; OR = 2.25, 95%CI: 1.16-4.35) repeats in UC patients indicated its possible association with higher disease risk which need to be confirmed in a larger sample size. CONClUSION Our results suggest that the NOS2 A_(CCTTT)n gene variations may influence IBD susceptibility in the Moroccan population.

关键词： HIF1A NFKB1 NOS2A Inflammatory bowel disease Moroccan patients

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PANoptosis:new insights in regulated cell death in ischemia/reperfusion models

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Neural Regeneration Research 2023年第2期18卷 342-343页

作者： Paloma González-Rodríguez Arsenio Fernández-lópez Área de Biología Celular Instituto de BiomedicinaUniversidad de LeónSpain

See related article,pp 357-363The first study describing the cell death and destruction of tissues,organs,and organ systems as programmed events during the development of multicellular organisms was performed by JW Saunders Jr in 1966.The term apoptosis was introduced by Kerr,Wyllie,and Currie in 1972 to describe a programmed phenomenon opposite to mitosis in the regulation of animal cell populations.later,a description of ectodermal cell lineages as programmed cell death in the worm Caenorhabditis elegans was publishedby JE Sulston and HR Horvitz in 1976.

关键词： organs insight opposite

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Analysis of MIF,FCGR2A and FCGR3A gene polymorphisms with susceptibility to pulmonary tuberculosis in Moroccan population

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Journal of Genetics and Genomics 2010年第4期37卷 257-264页

作者： Khalid Sadki Hoda lamsyah Blanca Rueda Elmahfoud Akil Abderrahim Sadak Javier Martin Rajae El Aouad Human Genomic Unit Laboratory of ImmunologyNational Institute of Hygiene department of Biology Faculty of SciencesUniversity Mohammed V-Rabat Agdal 10000 department of Immunology Instituto de Parasitología y Biomedicina López-NeyraCSIC National Reference laboratory of Tuberculosis National Institute of Hygiene Immunology and Virology department National Institute of Hygiene

In order to investigate the influence of functional polymorphisms of macrophage migration inhibitory factor （M/F）, Fcg receptors CD16A （FCGR3A） and CD32A （FCGR2A） genes on susceptibility to pulmonary tuberculosis （PTB） in the Moroccan population, we analyzed 123 patients with PTB and 154 healthy controls. The genotyping for M/F-173 （G/C）（rs755622）, FCGR2A- 131H/R （rs 1801274） and FCGR3A-158V/F （rs396991） was carried out using TaqMan SNP Genotyping Assay method. We found a statistically significant in- crease of the MIF-173CC homozygote genotype and M/F-173＂C allele frequencies in PTB patients compared with healthy controls （17.07% versus 5.84%, P = 0.003; and 35.37% versus 26.30%, P = 0.02; respectively）. In contrast, no association was observed between FCGR2A-131H/R and FCGR3A-158V/F polymorphisms and tuberculosis disease. Our finding suggests that M/F-173℃ variant may play an important role in the development of active tuberculosis.

关键词： FCGR MIF polymorphism susceptibility pulmonary tuberculosis Moroccan

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Structure-function relationship in viral RNA genomes: The case of hepatitis C virus

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World Journal of Medical Genetics 2014年第2期4卷 6-18页

作者： Cristina Romero-lópez Alfredo Berzal-Herranz instituto de parasitología y biomedicina lópez-neyra IPBLN-CSICPTS GranadaArmilla 18016 Granada Spain

The acquisition of a storage information system beyond the nucleotide sequence has been a crucial issue for the propagation and dispersion of RNA viruses. This system is composed by highly conserved, complex structural units in the genomic RNA, termed functional RNA domains. These elements interact with other regions of the viral genome and/or proteins to direct viral translation, replication and encapsidation. The genomic RNA of the hepatitis C virus(HCV) is a good model for investigating about conserved structural units. It contains functional domains, defined by highly conserved structural RNA motifs, mostly located in the 5'-untranslatable regions(5'UTRs) and 3'UTR, but also occupying long stretches of the coding sequence. Viral translation initiation is mediated by an internal ribosome entry site located at the 5' terminus of the viral genome and regulated by distal functional RNA domains placed at the 3' end. Subsequent RNA replication strongly depends on the 3'UTR folding and is also influenced by the 5' end of the HCV RNA. Further increase in the genome copy number unleashes the formation of homodimers by direct interaction of two genomic RNA molecules, which are finally packed and released to the extracellular medium. All these processes, as well as transitions between them, are controlled by structural RNA elements that establish a complex, direct and long-distance RNARNA interaction network. This review summarizes current knowledge about functional RNA domains within the HCV RNA genome and provides an overview of the control exerted by direct, long-range RNA-RNA contacts for the execution of the viral cycle.

关键词： Functional RNA domain Cis-acting replicating element Hepatitis C virus Internal ribosome entry site RNA-RNA interaction Untranslatable region

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A functional variant in the CD209 promoter is associated with DQ2-negative celiac disease in the Spanish population

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World Journal of Gastroenterology 2006年第27期12卷 4397-4400页

作者： C Nú■ez B Rueda A Martínez C Maluenda I Polanco MA lópez-Nevot E Ortega E Sierra E Gómez de la Concha E Urcelay J Martín Servicio de Inmunología Clínica Hospital Clínico San CarlosMadridSpain Instituto de Parasitología y Biomedicina "López Neyra" CSICGranadaSpain Servicio de Pediatría Hospital Clínico San CarlosMadrid Spain Servicio de Gastroenterología y Nutrición Pediátrica Hospital La PazMadridSpain Servicio de Inmunología Hospital Virgen de las NievesGranadaSpain Servicio de Pediatría Hospital Virgen de las NievesGranadaSpain Centro de Investigaciones Biológicas CISCMadridSpain

瞄准：在乳糜泻(CD ) 探讨 CD209 的角色病人。非人类的白血球抗原(HlA ) 在 CD 倾向的基因因素糟糕被理解，并且象传染病原体一样的环境因素可以起一个作用。CD209 是一树枝状并且涉及病原体识别和有免疫力的激活的巨噬细胞表面分子。... 详细信息

瞄准：在乳糜泻(CD ) 探讨 CD209 的角色病人。非人类的白血球抗原(HlA ) 在 CD 倾向的基因因素糟糕被理解，并且象传染病原体一样的环境因素可以起一个作用。CD209 是一树枝状并且涉及病原体识别和有免疫力的激活的巨噬细胞表面分子。最近，在 CD209 基因的倡导者的功能的变体(-336A/G) 被显示了影响 transcriptional CD209 活动在试管内，它与感染的更高的危险性 to/or 严厉被联系了。方法：学习人口由 103 和 386 个 CD 病人和 312 y 的二个盒子控制队组成象 257 个腹的家庭的一块面板一样的 419 健康控制。为 -336A/G CD209 倡导者多型性的 Genotyping 用 TaqMan 5' 被执行突变而产生之遗传的辨别试金。HlA-DQ 被杂交与等位基因 specific 探针决定。结果：开始，盒子控制和家庭研究没与 CD 危险性发现 -336 A/G CD209 基因变体的任何协会。然而，由 HlA-DQ2 的层化确实在 HlA-DQ2 (-) 组揭示了 CD209 倡导者多型性的一个重要协会(在 DQ2 (-) 对 DQ2 (+) 病人的搬运人 A 对 GG (P = 0.026，或 = 3.71 ) 。结论：-336G CD209 等位基因似乎在 HlA-DQ2 (-) 病人涉及 CD 危险性。我们的结果可能在 CD 病人的一个次要的组的发作建议病原体的一个可能的角色。

关键词：腹腔疾病西班牙流行疾病临床

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A role for lipids as agents to alleviate stroke damage： the neuroprotective effect of 2-hydroxy arachidonic acid

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Neural Regeneration Research 2017年第8期12卷 1273-1275页

作者： Irene F.Ugidos Diego Pérez-Rodríguez Arsenio Fernández-lópez Area de Biologia Celular Instituto de Biomedicina Universidad deLeon Leon Spain

Cerebrovascular accident（CVA）or stroke is one of the world＇s leading causes of death and permanent disability.The high social and medical costs associated with this pathology mean there is an urgent need to find effective therapies.Occlusion of the middle cerebral artery（MCAO）,mainly by clots,is the origin of most CVAs in humans.

关键词： the neuroprotective effect of 2-hydroxy arachidonic acid FFA OAA A role for lipids as agents to alleviate stroke damage MCAO

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Necroptosis in global cerebral ischemia: a role for endoplasmic reticulum stress

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Neural Regeneration Research 2020年第3期15卷 455-456页

作者： Enrique Font-Belmonte Paloma González-Rodríguez Arsenio Fernández-lópez Area de Biologia Celular Instituto de BiomedicinaUniversidad de LeonLeonSpain Neural Therapies Sl Edificio Institutos de InvestigacionCampus de VegazanaLeonSpain

Necroptosis has been reported in the last years as a type of regulated cell death that can be ignited by a number of specific death receptors,such as FAS,tumor necrosis factor receptor 1(TNFR1),or pathogen recognition receptors.This cell death subroutine is involved in the response to stress and in homeostatic functions,such as the maintenance of adult T-cell balance(Galluzzi et al.,2018).dead receptor activation leads to the recruitment of protein complexes that act as nodes of signaling that can elicit different pathways driving to death or survival,depending on the cell conditions.

关键词： death cerebral ischemia

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Neuroprotection by salubrinal treatment in global cerebral ischemia

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Neural Regeneration Research 2016年第11期11卷 1744-1745页

作者： Berta Anuncibay-Soto María Santos-Galdiano Arsenio Fernández-lópez Area de Biologia Celular Instituto de BiomedicinaUniversidad de León

Most common cerebrovascular accidents （CVAs） result from the occlusion of a blood vessel and are called ischemic stroke. The interruption of the blood flow reduces the oxygen and glucose levels in the neural pareuchyma, which in turn decreases the energy of the cells and compromises their homeostasis. This condition has to be reverted for cell survival. One of the homeostatic processes impaired by cerebral ischemia is protein folding in the endoplasmic reticulum （ER） lumen where unfolded proteins are accumulated （degracia and Monti, 2004）. This situation, known as ER stress, elicits the so called unfolded protein response （UPR）,

关键词： Neuroprotection by salubrinal treatment in global cerebral ischemia MCAO BBB

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Combining anti-inflammatory and unfolding protein responses to fight stroke

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Neural Regeneration Research 2019年第3期14卷 450-451页

作者： Berta Anuncibay-Soto Enrique Font-Belmonte Arsenio Fernández-lópez área de Biología Celular Instituto de Biomedicina Universidad de León Neural Therapies Sl Edificio Institutos de Investigación Campus de Vegazana

This perspective shows an attempt to obtain synergy effects to fight ischemic stroke by combining agents acting on two different homeostatic mechanisms:inflammation and unfolded protein response (Anuncibay-Soto et al.,2018).Different pharmacological approaches have been assayed to alleviate cerebrovascular accident (stroke), which represents one of the most devastating diseases in the elderly.

关键词： Combining anti-inflammatory

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Food-derived peptides with inhibitory capacity for HMG-CoA reductase activity: a potential nutraceutical for hypercholesterolemia

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Food Science and Human Wellness 2023年

作者： Guillermo Santos-Sánchez Ana Isabel álvarez-lópez Eduardo Ponce-Espa?a Patricia Judith lardone Antonio Carrillo-Vico Ivan Cruz-Chamorro instituto de biomedicina de Sevilla IBiS (Universidad de Sevilla HUVR Junta de Andalucía CSIC) departamento de Bioquímica Médica y Biología Molecular e Inmunología Universidad de Sevilla

Cardiovascular diseases (CVDs) are the leading global cause of mortality and disease burden. Statins are the most prescribed lipid-lowering drugs to treat hypercholesterolemia and prevent CVDs. The biochemical mechanism of statins consists of competitive inhibition of the 3-hydroxy-3-methylglutaryl-CoA reductase enzyme (HMG-CoAR)， the limiting enzyme in cholesterol biosynthesis. Due to statin intolerance in some patient groups， the search for new inhibitors is a field of great interest. This review focusses on the studies reporting the inhibitory effect of protein hydrolysates and biopeptides on the HMG-CoAR enzyme activity. The analysis of the action mechanism and physicochemical characteristics of the HMG-CoAR inhibitory peptides revealed that the molecular weight， amino acid composition， charge， and polarity are key aspects of the interaction with the HMG-CoAR enzyme. In conclusion， this review reveals the potential of using food peptides as new cholesterol-lowering agents and opens a new interesting field of research. However， clinical approaches are mandatory to confirm their therapeutic hypercholesterolemic effect.

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