Abstract:
:The current antiretroviral therapy (ART) can effectively reduce plasma HIV loads to undetectable levels, but cannot eliminate latently infected resting memory CD4 T cells that persist for the lifetime of infected patients. Therefore, designing new therapeutic approaches to eliminate these latently infected cells or the cells that produce HIV upon reactivation from latency is a priority in the ART era in order to progress to a cure of HIV. Here, we show that "designer" T cells expressing chimeric antigen receptor (CAR), CD4-CD28-CD3ζ, can target and kill HIV Env-expressing cells. Further, they secrete effector cytokines upon contact with HIV Env+ target cells that can reactivate latent HIV in a cell line model, thereby exposing those cells to recognition and killing by anti-HIV CAR+ T cells. Taken to the limit, this process could form the basis for an eventual functional or sterilizing cure for HIV in patients.
journal_name
Virologyjournal_title
Virologyauthors
Sahu GK,Sango K,Selliah N,Ma Q,Skowron G,Junghans RPdoi
10.1016/j.virol.2013.08.002subject
Has Abstractpub_date
2013-11-01 00:00:00pages
268-75issue
1-2eissn
0042-6822issn
1096-0341pii
S0042-6822(13)00462-5journal_volume
446pub_type
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