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Articles list with the same subject [HIV-1] of Virologica Sinica
Yunnan is one of the worst hit regions by HIV/AIDS in China. In last decade, Yunnan has made great achievements in prevention and control of HIV/AIDS. However, Yunnan has a large number of non-Chinese immigrants. HIV prevalence and spreading in this risk population is a huge challenge for Yunnan to ..., Abstract
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Suzhou is experiencing a dynamic human immunodeficiency virus (HIV)/acquired immune deficiency syndrome (AIDS) epidemic. While serology based surveillance systems have reported the spread of HIV/AIDS, detailed tracking of its molecular epidemiology and transmission in populations remains mostly ..., Abstract
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Nullbasic is a mutant form of HIV-1 Tat that has strong ability to protect cells from HIV-1 replication by inhibiting three different steps of viral replication: reverse transcription, Rev export of viral mRNA from the nucleus to the cytoplasm and transcription of viral mRNA by RNA polymerase II. ..., Abstract
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HIV-1-specific cytotoxic T lymphocytes (CTLs) and neutralizing antibodies (NAbs) are present during chronic infection, but the relative contributions of these effector mechanisms to viral containment remain unclear. Here, using an in vitro model involving autologous CD4+ T ..., Abstract
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Little is known about the prevalence of drug-resistant mutations in HIV-1-positive individuals in Suzhou,China.To elucidate the transmitted drug resistance (TDR) and acquired drug resistance mutation (ADR) profiles,we collected blood specimens from 127 drug-naïve and 117 first-line drugtreated ..., Abstract
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Human immunodeficiency virus-1 (HIV-1) encodes 15 viral proteins. Protein-protein interactions play a large role in the function of these proteins. In this study, we attempted to identify novel interactions between the HIV-1 proteins to better understand the role played by viral protein-protein ..., Abstract
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Ficolin-2 is a lectin complement pathway activator present in normal human plasma and usually associated with infectious diseases, but little is known about the role of ficolin-2 in human immunodeficiency virus (HIV) infection. Here, we describe our novel findings that serum ficolin-2 ..., Abstract
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Recombination contributes greatly to the diversity of human immunodeficiency virus type 1 (HIV-1). A large number of recombinant strains have been found in China, particularly in Yunnan, which is considered the HIV-1 epicenter of China. Surveillance of unique recombinant forms is helpful for ..., Abstract
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The Human immunodeficiency virus type 1 (HIV-1) gp41 membrane proximal external region (MPER) is targeted by broadly neutralizing antibodies (e.g. 2F5, 4E10, Z13e and m66.6), which makes this region a promising target for vaccine design. One strategy to elicit neutralizing antibodies against the ..., Abstract
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Viral protein R (Vpr) plays an important role in the replication and pathogenesis of Human immunodeficiency virus type 1 (HIV-1). Some of the various functions attributed to Vpr, including the induction of G2/M cell cycle arrest, activating the NF-κB pathway, and promoting viral ..., Abstract
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HIV-1 envelope glycoprotein is reported to interact with α4β7, an integrin mediating the homing of lymphocytes to gut-associated lymphoid tissue, but the signifi cance of α4β7 in HIV-1 infection remains controversial. Here, using HIV-1 strain BaL, the ..., Abstract
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Little information is available on the prevalence of drug-resistance mutations in patients harboring the human immunodeficiency virus type 1 (HIV-1) circulating recombinant form (CRF)07_BC variant in Sichuan, China. This study examined 375 plasma samples from patients with HIV-1 who were infected ..., Abstract
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The epidemiology of HIV-1 varies in different areas of the world, and it is possible that this complexity may leave unique footprints in the viral genome. Thus, we attempted to find significant patterns in global HIV-1 genome sequences. By applying the rule inference algorithm RIPPER (Repeated ..., Abstract
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The cellular protein tetherin tethers the HIV-1 viral particles on the cellular membrane to inhibit the replication of HIV-1. However, the HIV-1 accessory protein Vpu counteracts the antiviral function of tetherin. In this study, two retroviral vector plasmids were constructed. One inhibited the ..., Abstract
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Neutralizing antibodies are considered to be an important protective parameter used in HIV-1 vaccine evaluation. However, the exact role that neutralizing antibodies plays in controlling the disease progression of HIV-1 infected peoples is still undetermined. In this paper, we compared the ..., Abstract
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This study aimed to evaluate emerging trends of drug resistance to nucleoside reverse transcriptase inhibitors (NRTIs) and nonnucleoside reverse transcriptase inhibitors (NNRTIs) among 290 former blood donor HIV-1 infected patients in Hubei, China, from 2004 to 2006, all of whom had received ..., Abstract
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The human immunodeficiency virus type 1 (HIV-1) can interact with and exploit the host cellular machinery to replicate and propagate itself. Numerous studies have shown that the Mitogen-activated protein kinase (MAPK) signal pathway can positively regulate the replication of HIV-1, but exactly how ..., Abstract
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Combinations of DNA and recombinant-viral-vector based vaccines are promising AIDS vaccine methods because of their potential for inducing cellular immune responses. It was found that Gag-specific cytotoxic lymphocyte (CTL) responses were associated with lowering viremia in an untreated HIV-1 ..., Abstract
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Eleven env mutants were designed and generated by site-directed mutagenesis of the regions around NAb epitopes and deletions of variable regions in env. The immunogenicities of the generated mutants were evaluated using single-cycle infection neutralization assays with two pseudoviruses and IFN-γ ..., Abstract
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To prepare HIV-1 Vif and hAPOBEC3G and to produce their antibodies, the full length gene fragment of HIV-1 vif was amplified by PCR from plasmid of HIV-1 NL4.3 cDNA, and APOBEC3G gene was achieved by RT-PCR from the total RNA of H9 cells. The resulting DNA construct was cloned into a prokaryotic ..., Abstract
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