Long Noncoding RNA : Mechanisms for X Chromosome Inactivation, Roles in Sex-biased Diseases, and Therapeutic Opportunities

Overview

Journal Genes Dis

Date 2022 Sep 26

PMID 36157489

Authors

Jianjian Li

Zhe Ming

Liuyi Yang

Tingxuan Wang

Gaowen Liu

Qing Ma

Affiliations

Soon will be listed here.

Abstract

Sexual dimorphism has been reported in various human diseases including autoimmune diseases, neurological diseases, pulmonary arterial hypertension, and some types of cancers, although the underlying mechanisms remain poorly understood. The long noncoding RNA (lncRNA) X-inactive specific transcript () is involved in X chromosome inactivation (XCI) in female placental mammals, a process that ensures the balanced expression dosage of X-linked genes between sexes. is abnormally expressed in many sex-biased diseases. In addition, escape from -mediated XCI and skewed XCI also contribute to sex-biased diseases. Therefore, its expression or modification can be regarded as a biomarker for the diagnosis and prognosis of many sex-biased diseases. Genetic manipulation of expression can inhibit the progression of some of these diseases in animal models, and therefore has been proposed as a potential therapeutic target. In this manuscript, we summarize the current knowledge about the mechanisms for -mediated XCI and the roles of in sex-biased diseases, and discuss potential therapeutic strategies targeting .

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