TRIM28 Controls a Gene Regulatory Network Based on Endogenous Retroviruses in Human Neural Progenitor Cells.

Abstract:

:Endogenous retroviruses (ERVs), which make up 8% of the human genome, have been proposed to participate in the control of gene regulatory networks. In this study, we find a region- and developmental stage-specific expression pattern of ERVs in the developing human brain, which is linked to a transcriptional network based on ERVs. We demonstrate that almost 10,000, primarily primate-specific, ERVs act as docking platforms for the co-repressor protein TRIM28 in human neural progenitor cells, which results in the establishment of local heterochromatin. Thereby, TRIM28 represses ERVs and consequently regulates the expression of neighboring genes. These results uncover a gene regulatory network based on ERVs that participates in control of gene expression of protein-coding transcripts important for brain development.

journal_name

Cell Rep

journal_title

Cell reports

authors

Brattås PL,Jönsson ME,Fasching L,Nelander Wahlestedt J,Shahsavani M,Falk R,Falk A,Jern P,Parmar M,Jakobsson J

doi

10.1016/j.celrep.2016.12.010

subject

Has Abstract

pub_date

2017-01-03 00:00:00

pages

1-11

issue

1

issn

2211-1247

pii

S2211-1247(16)31683-7

journal_volume

18

pub_type

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