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HIV latency constitutes the main barrier for clearing HIV infection from patients. Our inability to recognize and isolate latently infected cells hinders the study of latent HIV. We engineered two HIV-based viral reporters expressing different fluorescent markers: one HIV promoter-dependent marker for productive HIV infection, and a second marker under a constitutive promoter independent of HIV promoter...
Latent HIV persists in CD4 + T cells in infected patients under antiretroviral therapy (ART). Latency is associated with transcriptional silencing of the integrated provirus and driven, at least in part, by histone deacetylases (HDACs), a family of chromatin-associated proteins that regulate histone acetylation and the accessibility of DNA to transcription factors. Remarkably, inhibition of...
Highly active antiretroviral therapy (HAART) has shown great efficacy in increasing the survival of HIV infected individuals. However, HAART does not lead to the full eradication of infection and therefore has to be continued for life. HIV persists in a transcriptionally inactive form in resting T cells in HAART‐treated patients and can be reactivated following T‐cell activation. These latently infected...
HIV-1 latency is a barrier to overcome in the effort to fully eradicate the virus from infected individuals using highly active anti-retroviral therapy (HAART). Therefore, the study of the mechanisms underlying the establishment and maintenance of HIV-1 latency are vital to achieving a cure. Transcriptional repression of the viral promoter is the major cause of HIV-1 latency. DNA methylation of genomic...
We have solved the NMR solution structure of domain III from the Omsk hemorrhagic fever virus envelope protein and report the first sequencing of the Guriev strain of this virus. Important structural differences between tick-borne flaviviruses, such as OHFV and TBE, and mosquito-borne flaviviruses, such as West Nile virus, are discussed.
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