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| Content Provider | PubMed Central |
|---|---|
| Author | Shang, Hong Han, Xiaoxu Shi, Xuanling Zuo, Teng Goldin, Mark Chen, Dan Han, Bing Sun, Wei Wu, Hao Wang, Xinquan Zhang, Linqi |
| Abstract | As HIV-1 continues to spread in China from traditional high risk populations to the general public, its genetic makeup has become increasingly complex. However, the impact of these genetic changes on the biological and neutralization sensitivity of the virus is unknown. The current study aims to characterize the genetic, biological, and neutralization sensitivity of HIV-1 identified in China between 2004 and 2007. Based on a total of 107 full-length envelope genes obtained directly from the infected patients, we found that those viruses fell into three major genetic groups: CRF01_AE, subtype B′, and subtype C/CRF07_BC/CRF08_BC/B′C. Pseudotyped viruses built upon the viable env genes have demonstrated their substantial variability in mediating viral entry and in sensitivity to neutralization by subtype-specific plasma pools and broadly neutralizing monoclonal antibodies (bnmAb). Many viruses are resistant to one or more bnmAb, including those known to have high potency against diverse viruses from outside China. Sequence and structural analysis has revealed several mechanisms by which these resistant viruses escape recognition from bnmAb. We believe that these results will help us to better understand the impact of genetic diversity on the neutralizing sensitivity of the viruses and to facilitate the design of immunogens capable of eliciting antibodies with potency and breadth similar to those of bnmAb. |
| Related Links | http://dx.doi.org/10.1074/jbc.m111.224527 |
| Ending Page | 14541 |
| Page Count | 11 |
| Starting Page | 14531 |
| File Format | |
| ISSN | 00219258 |
| e-ISSN | 1083351X |
| Journal | The Journal of Biological Chemistry |
| Issue Number | 16 |
| Volume Number | 286 |
| Language | English |
| Publisher | American Society for Biochemistry and Molecular Biology |
| Publisher Date | 2011-04-22 |
| Access Restriction | Open |
| Rights Holder | American Society for Biochemistry and Molecular Biology |
| Subject Keyword | Cell Biology Biochemistry Molecular Biology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Biochemistry Molecular Biology |
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