Evidence map›Paper›PMID 41386228›Full record

ArticleStem cell reports2026

The role of m6A RNA methylation in the maintenance of X chromosome inactivation and X-to-autosome dosage compensation in early embryonic lineages.

Hemant C Naik, Runumi Baro, Amritesh Sarkar, Muralidhar Nayak, Kartik Sunagar, Srimonta Gayen

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Article in Stem cell reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Hemant C NaikDepartment of Developmental Biology and Genetics, Indian Institute of Science, Bangalore 560012, India; The University of Trans-Disciplinary Health Sciences and Technology (TDU), Bangalore 560064, India.
Runumi BaroDepartment of Developmental Biology and Genetics, Indian Institute of Science, Bangalore 560012, India.
Amritesh SarkarDepartment of Developmental Biology and Genetics, Indian Institute of Science, Bangalore 560012, India.
Muralidhar NayakEvolutionary Venomics Lab, Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, India.
Kartik SunagarEvolutionary Venomics Lab, Centre for Ecological Sciences, Indian Institute of Science, Bangalore 560012, India.
Srimonta GayenDepartment of Developmental Biology and Genetics, Indian Institute of Science, Bangalore 560012, India. Electronic address: srimonta@iisc.ac.in.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In mammals, while X chromosome inactivation (XCI) balances the dosage of X-linked gene expression between sexes, upregulation of active-X balances the dosage of monoallelic X-linked genes with biallelic autosomal genes (AA). Here, we have investigated the role of m6A RNA methylation in the maintenance of XCI and X-to-autosome (X-to-A) dosage compensation in early embryonic lineages: epiblast stem cells (EpiSCs), trophoblast stem cells (TSCs), and extraembryonic endoderm stem cells (XENs). We find that the depletion of m6A RNA methylation in these cells does not affect the maintenance of inactive-X silencing. Moreover, we show that m6A marks are less enriched on X-linked transcripts than the autosomal transcripts in early embryonic lineages. Notably, we demonstrate that the extent of X-to-A dosage compensation varies with m6A methylation level. Finally, we show that the depletion of m6A partly disrupts X-to-A dosage compensation in a cell-type-specific manner. Together, our study provides significant insight into the role of m6A RNA methylation in dosage compensation.

Indexed as

AdenosineCell LineageDosage Compensation, GeneticRNAX Chromosome InactivationAnimalsFemaleGene Expression Regulation, DevelopmentalGerm LayersMaleMethylationMiceRNA MethylationTrophoblastsX ChromosomeAdenosineRNAembryonic stem cellsepiblast stem cellsEpiSCESCextraembryonic endoderm stem cellsm6A -RNA methylationtrophoblast stem cellsTSCX-chromosome inactivationXENXist

Identifiers

PMID41386228
PMCPMC12925958

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.