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Oxidative stress dependent microRNA-34a activation via PI3Kα reduces the expression of sirtuin-1 and sirtuin-6 in epithelial cells

Abstract:

Sirtuin-1 (SIRT1) and SIRT6, NAD+-dependent Class III protein deacetylases, are putative anti-aging enzymes, down-regulated in patients with chronic obstructive pulmonary disease (COPD), which is characterized by the accelerated ageing of the lung and associated with increased oxidative stress. Here, we show that oxidative stress (hydrogen peroxide) selectively elevates microRNA-34a (miR-34a) but not the related miR-34b/c, with concomitant reduction of SIRT1/-6 in bronchial epithelial cells (...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/srep35871

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Institution:
University of Oxford
Division:
MSD
Department:
NDM
Sub department:
NDM Experimental Medicine
Role:
Author
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Wellcome Trust More from this funder
Publisher:
Nature Publishing Group Publisher's website
Journal:
Scientific Reports Journal website
Volume:
6
Issue:
1
Pages:
35871
Publication date:
2016-10-21
Acceptance date:
2016-10-07
DOI:
EISSN:
2045-2322
ISSN:
2045-2322
Pmid:
27767101
Source identifiers:
826141

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