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Indian Journal of Biochemistry and Biophysics (IJBB) >
IJBB Vol.46 [2009] >
IJBB Vol.46(3) [June 2009] >
| Title: | Cellular AATF gene encodes a novel miRNA that can contribute to HIV-1 latency |
| Authors: | Kaul, Deepak
Hussain, Aashiq |
| Keywords: | miRNA
hmiR-che-1
AATF gene
Lymphocytes
AIDS |
| Issue Date: | Jun-2009 |
| Publisher: | CSIR |
| Abstract: | HIV-1 encoded microRNA hiv1-miR-H1 is known to induce CD4+ lymphopenia through its ability to downregulate cellular AATF gene. The present study directed to examine the target sites of this miRNA on AATF gene revealed the existence of a novel miRNA designated as hmiR-che-1 which had the inherent capacity to target HIV-1 genome especially regions coding for hiv1-miR-H1 as well as Vpr gene. Further, the expression of AATF gene coupled with its encoded microRNA hmiR-che-1 exhibited characteristic antagonism with the expression of hiv1-miR-H1 within the lymphocytes, derived from asymptomatic as well as symptomatic AIDS subjects. Based upon these observations, we propose that the widely recognised HIV-1 latency in CD4+ T-lymphocytes may arise, because of the orchestrated balance that may exist between the expression levels of hiv1-miR-H1 and hmiR-che-1 within lymphocytes infected with HIV-1 |
| Page(s): | 237-240 |
| ISSN: | 0975-0959 (Online); 0301-1208 (Print) |
| Source: | IJBB Vol.46(3) [June 2009]
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