Abstract:
:Recent studies have reported the ectopic expression of olfactory receptors (ORs) in non-olfactory tissues, however, their physiological roles were not well elucidated. ORs are expressed in and function in different types of cancers. Here, we identified that the H3K9me2 levels of several OR promoters decreased during differentiation in the HL-60, human myeloid leukaemia cell line, by all-trans-retinoic acid (ATRA). We found that the differential OR promoters H3K9me2 levels were regulated by G9a and LSD1, resulting in the decrease of ORs transcription during HL-60 differentiation. G9a and LSD1 could regulate the expression of ORs in several non-olfactory cells via the methylation and demethylation of H3K9me2. In addition, we demonstrated that knockdown of OR significantly reduced cell proliferation. Therefore, the epigenetic regulation of ORs transcription is critical for carcinogenesis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Jung H,Chae YC,Kim JY,Jeong OS,Kook H,Seo SBdoi
10.1038/srep46182subject
Has Abstractpub_date
2017-04-07 00:00:00pages
46182issn
2045-2322pii
srep46182journal_volume
7pub_type
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