Expression of HIV-encoded microRNA-TAR and its inhibitory effect on viral replication in human primary macrophages

Expression of HIV-encoded microRNA-TAR and its inhibitory effect on viral replication in human... A number of virus-encoded microRNAs have been shown to play important roles in virus replication and virus-host interactions, although the expression and function of miR-TAR-3p derived from the human immunodeficiency virus type 1 (HIV-1) TAR element remain controversial. In this study, miR-TAR-3p was detected in human peripheral blood monocyte-derived macrophages (MDMs) infected by HIV-1. Overexpression of miR-TAR-3p impaired viral replication, while inhibition of miR-TAR-3p enhanced it. Additionally, miR-TAR-3p repressed viral transcription and replication by targeting the TAR element in the HIV-1 5’-LTR in a sequence-specific manner. These results confirm the presence of miR-TAR-3p in HIV-1-infected MDMs and suggest that its function might be used as a mechanism to modulate HIV-1 replication through the expression of a negative regulatory factor. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Expression of HIV-encoded microRNA-TAR and its inhibitory effect on viral replication in human primary macrophages

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Publisher
Springer Vienna
Copyright
Copyright © 2016 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-016-2755-5
Publisher site
See Article on Publisher Site

References

  • Viral and cellular messenger RNA targets of viral microRNAs
    Cullen, BR
  • HIV-1 genome-encoded hiv1-mir-H1 impairs cellular responses to infection
    Kaul, D; Ahlawat, A; Gupta, SD

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