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Global Long Noncoding RNA Expression Profiling of and Double-Knockout Sheep Reveals the Key Gatekeepers of Skeletal Muscle Development. | LitMetric

Global Long Noncoding RNA Expression Profiling of and Double-Knockout Sheep Reveals the Key Gatekeepers of Skeletal Muscle Development.

DNA Cell Biol

Beijing Key Laboratory for Animal Genetic Improvement, National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Science and Technology, China Agricultural University, Beijing, China.

Published: March 2023

AI Article Synopsis

Article Abstract

Improving livestock and poultry growth rates and increasing meat production are urgently needed worldwide. Previously, we produced a myostatin (MSTN) and fibroblast growth factor 5 (FGF5) double-knockout (MF) sheep by CRISPR Cas9 system to improve meat production, and also wool production. Both MF sheep and the F1 generation (MF) sheep showed an obvious "double-muscle" phenotype. In this study, we identified the expression profiles of long noncoding RNAs (lncRNAs) in wild-type and MF sheep, then screened out the key candidate lncRNAs that can regulate myogenic differentiation and skeletal muscle development. These key candidate lncRNAs can serve as critical gatekeepers for muscle contraction, calcium ion transport and skeletal muscle cell differentiation, apoptosis, autophagy, and skeletal muscle inflammation, further revealing that lncRNAs play crucial roles in regulating muscle phenotype in MF sheep. In conclusion, our newly identified lncRNAs may emerge as novel molecules for muscle development or muscle disease and provide a new reference for MSTN-mediated regulation of skeletal muscle development.

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Source
http://dx.doi.org/10.1089/dna.2022.0574DOI Listing

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