Study of X Chromosome Activity Status in Human Naive Pluripotent Stem Cells Using RNA-FISH

Kasturi Mahadik, Claire Rougeulle

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

X chromosome activity is a defining attribute of naive pluripotency, with naive pluripotency being a rare context in which both X chromosomes of females are active. RNA-fluorescence in situ hybridization (RNA-FISH) is a powerful tool to determine the transcriptional status of specific genes with allelic and single-cell resolution and has been widely used in the context of X chromosome inactivation, the process ensuring dosage compensation for X-linked genes between sexes in mammals. RNA-FISH using genomic or intronic probes allows the detection of newly synthesized transcripts at the site of transcription. This technique is invaluable for appreciating the putative heterogeneity in the expression profiles within cell populations. RNA-FISH has the added advantage of allowing the visualization of gene transcription in a spatial perspective. Here, we provide a detailed protocol describing the application of RNA-FISH to detect nascent X-linked transcripts in female naive human embryonic stem cells to assess their X chromosome status, along with another complementary technique, DNA-FISH.

Original languageEnglish
Title of host publicationMethods in Molecular Biology
PublisherHumana Press Inc.
Pages239-255
Number of pages17
DOIs
Publication statusPublished - 1 Jan 2022
Externally publishedYes

Publication series

NameMethods in Molecular Biology
Volume2416
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • Human embryonic stem cells
  • Long noncoding RNA
  • Naive pluripotency
  • RNA-Fluorescence in situ hybridization

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