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Tissue-specific epigenetics of atherosclerosis-related ANGPT and ANGPTL genes.


ABSTRACT: AIM:To understand tissue-specific regulation of angiopoietin/angiopoietin-like (ANGPT/ANGPTL) genes (especially the five genes embedded in introns of host genes) and their association with atherosclerosis. METHODS:Transcription and epigenomic databases from various normal tissues were examined in the vicinity of ANGPT1, ANGPT2, ANGPTL1, ANGPTL2, ANGPTL3, ANGPTL4 and ANGPTL8. RESULTS:We identified tissue-specific enhancer chromatin regions that are likely to regulate transcription of ANGPT/ANGPTL genes and were intragenic, intergenic or host gene-linked. In addition, we found atherosclerosis-linked differentially methylated regions associated with ANGPT2 and with sequences encoding miR-145, a microRNA that targets ANGPT2 mRNA in cancers. CONCLUSION:Our findings implicate enhancers as major contributors to tissue-specific expression of ANGPT/ANGPTL genes, which play critical roles in angiogenesis, atherosclerosis, cancer, and inflammatory and metabolic diseases.

SUBMITTER: Ehrlich KC 

PROVIDER: S-EPMC6371847 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Tissue-specific epigenetics of atherosclerosis-related ANGPT and ANGPTL genes.

Ehrlich Kenneth C KC   Lacey Michelle M   Ehrlich Melanie M  

Epigenomics 20190128 2


<h4>Aim</h4>To understand tissue-specific regulation of angiopoietin/angiopoietin-like (ANGPT/ANGPTL) genes (especially the five genes embedded in introns of host genes) and their association with atherosclerosis.<h4>Methods</h4>Transcription and epigenomic databases from various normal tissues were examined in the vicinity of ANGPT1, ANGPT2, ANGPTL1, ANGPTL2, ANGPTL3, ANGPTL4 and ANGPTL8.<h4>Results</h4>We identified tissue-specific enhancer chromatin regions that are likely to regulate transcr  ...[more]

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