The role of non-coding RNAs in the regulation of stem cells and progenitors in the normal mammary gland and in breast tumors

Frontiers in Genetics
Chiara TordonatoFrancesco Nicassio

Abstract

The outlook on stem cell (SC) biology is shifting from a rigid hierarchical to a more flexible model in which the identity and the behavior of adult SCs, far from being fixed, are determined by the dynamic integration of cell autonomous and non-autonomous mechanisms. Within this framework, the recent discovery of thousands of non-coding RNAs (ncRNAs) with regulatory function is redefining the landscape of transcriptome regulation, highlighting the interplay of epigenetic, transcriptional, and post-transcriptional mechanisms in the specification of cell fate and in the regulation of developmental processes. Furthermore, the expression of ncRNAs is often tissue- or even cell type-specific, emphasizing their involvement in defining space, time and developmental stages in gene regulation. Such a role of ncRNAs has been investigated in embryonic and induced pluripotent SCs, and in numerous types of adult SCs and progenitors, including those of the breast, which will be the topic of this review. We will focus on ncRNAs with an important role in breast cancer, in particular in mammary cancer SCs and progenitors, and highlight the ncRNA-based circuitries whose subversion alters a number of the epigenetic, transcriptional, and post-tran...Continue Reading

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Mar 10, 2016·Briefings in Functional Genomics·Marion A SalvadorChristophe Ginestier
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Apr 6, 2021·The Journal of Cell Biology·Chiara TordonatoFrancesco Nicassio

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Methods Mentioned

BETA
RNA-seq
immunoprecipitation
flow cytometry
xenograft

Software Mentioned

miRanda
DIANA
RNAhybrid
Pictar
microT
Targetscan

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