Document Detail


MicroRNA-128 downregulates Bax and induces apoptosis in human embryonic kidney cells.
MedLine Citation:
PMID:  20924637     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
MicroRNAs (miRNAs) are short ~21-nt non-coding RNA molecules that have been shown to regulate a number of biological processes. Previous reports have shown that overexpression of miR-128 in glioma cells inhibited cell proliferation. Literature also suggests that miR-128 negatively regulates prostate cancer cell invasion. Here, we show that overexpression of hsa-miR-128, a brain-enriched microRNA, induces apoptosis in HEK293T cells as elucidated by apoptosis assay, cell cycle changes, loss of mitochondrial membrane potential and multicaspase assay. By in silico analysis, we identified a putative target site within the 3' untranslated region (UTR) of Bax, a proapoptotic member of the apoptosis pathway. We found that ectopic expression of hsa-miR-128 suppressed a luciferase reporter containing the Bax-3' UTR and reduced the levels of Bax in HEK293T cells. Taken together, our study demonstrates that overexpression of hsa-miR-128 not only induces apoptosis in HEK293T cells but also is an endogenous regulator of Bax protein.
Authors:
Yogita K Adlakha; Neeru Saini
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Publication Detail:
Type:  Journal Article     Date:  2010-09-19
Journal Detail:
Title:  Cellular and molecular life sciences : CMLS     Volume:  68     ISSN:  1420-9071     ISO Abbreviation:  Cell. Mol. Life Sci.     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-03-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9705402     Medline TA:  Cell Mol Life Sci     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  1415-28     Citation Subset:  IM    
Affiliation:
Functional Genomics Unit, Institute of Genomics and Integrative Biology, Council of Scientific and Industrial Research (CSIR), Mall Road, Delhi, 110007, India.
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