نتایج جستجو برای: جهش δ32

تعداد نتایج: 3261  

Journal: :Current opinion in virology 2015
Kristina Allers Thomas Schneider

The C-C chemokine receptor 5 (CCR5) is expressed on potential human immunodeficiency virus (HIV) target cells and serves as the predominant co-receptor for viral entry during initial transmission and through the early stages of infection. A homozygous Δ32 mutation in the CCR5 gene prevents CCR5 cell surface expression and thus confers resistance to infection with CCR5-tropic HIV strains. Transp...

Journal: :PLoS Biology 2005
Pardis C Sabeti Emily Walsh Steve F Schaffner Patrick Varilly Ben Fry Holli B Hutcheson Mike Cullen Tarjei S Mikkelsen Jessica Roy Nick Patterson Richard Cooper David Reich David Altshuler Stephen O'Brien Eric S Lander

The C-C chemokine receptor 5, 32 base-pair deletion (CCR5-Delta32) allele confers strong resistance to infection by the AIDS virus HIV. Previous studies have suggested that CCR5-Delta32 arose within the past 1,000 y and rose to its present high frequency (5%-14%) in Europe as a result of strong positive selection, perhaps by such selective agents as the bubonic plague or smallpox during the Mid...

2017
Varshil Mehta Divya Chandramohan Shivika Agarwal

Highly active anti-retroviral treatment has changed the dimensions of the outcomes for patients suffering from human immunodeficiency virus (HIV)/acquired immunodeficiency syndrome (AIDS). However, HIV infection is still an ailment which is spreading throughout the world extensively. Given the confinements of the present restorative methodologies and the non-availability of any strategic vaccin...

Journal: :hepatitis monthly 0
abdulkerim yilmaz department of gastroenterology, cumhuriyet university, sivas, turkey; corresponding author: abdulkerim yilmaz, department of gastroenterology, cumhuriyet university, sivas, turkey. tel: +90-3462191010/+90-5066720185, fax: +90-3462191155, e-mail: hakan alagozlu department of gastroenterology, cumhuriyet university, sivas, turkey ozturk ozdemir department of medical genetics, cumhuriyet university, sivas, turkey; department of medical genetics, canakkale onsekiz mart university, canakkale, turkey sema arici department of pathology, cumhuriyet university, sivas, turkey

objectives in the current case control study, we aimed to compare the histopathological findings of liver to the ccr5δ32 bpdel mutation profiles, expression and some other clinical findings in patients with chronic hcv infection. background the specific antiviral t cells provide cc chemokine receptor 5 (ccr5) for the immune response during the hepatitis c virus (hcv) infection. heterogenous and...

2016
Damla Tokac Erdem Tuzun Huseyin Gulec Vuslat Yılmaz Elif Sinem Bireller Bedia Cakmakoglu Cem Ismail Kucukali

OBJECTIVE Bipolar disorder (BD) is a debilitating psychiatric disease with unknown etiology. Recent studies have shown inflammation as a potential contributing factor of BD pathogenesis. However, potential associations between chemokine and chemokine receptor polymorphisms and BD have been fundamentally understudied. To identify participation of chemokines in BD pathogenesis, we examined geneti...

2017
Paul R. Gorry Rebecca L. Dunfee Megan E. Mefford Kevin Kunstman Tom Morgan John P. Moore John R. Mascola Kristin Agopian Geoffrey H. Holm Andrew Mehle Joann Taylor Michael Farzan Hui Wang Philip Ellery Samantha J. Willey Paul R. Clapham Steven M. Wolinsky Suzanne M. Crowe Dana Gabuzda

Heterozygosity for the CCR5 Δ32 allele is associated with delayed progression to AIDS in human immunodeficiency virus type 1 (HIV-1) infection. Here we describe an unusual HIV-1 isolate from the blood of an asymptomatic individual who was heterozygous for the CCR5 Δ32 allele and had reduced levels of CCR5 expression. The primary virus used CCR5, CXCR4, and an unusually broad range of alternativ...

2017
Nega Berhane

HIV is the virus that causes AIDS. Its infection occurs by binding to CD4+ receptor and chemokine receptor 5 (CCR5). Recent studies have shown that reasons for progression and non-progression are multi factorial and may involve genetic, virological and immunological factors that influence HIV disease progression in various ways. Chemokine receptors act as important co receptors mediating the en...

Journal: :Blood 2011
Kristina Allers Gero Hütter Jörg Hofmann Christoph Loddenkemper Kathrin Rieger Eckhard Thiel Thomas Schneider

HIV entry into CD4(+) cells requires interaction with a cellular receptor, generally either CCR5 or CXCR4. We have previously reported the case of an HIV-infected patient in whom viral replication remained absent despite discontinuation of antiretroviral therapy after transplantation with CCR5Δ32/Δ32 stem cells. However, it was expected that the long-lived viral reservoir would lead to HIV rebo...

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