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Updated: May 31, 2026
11:13
RNA-Seq Analysis of Differential Gene Expression in Electroporated Chick Embryonic Spinal Cord
Published on: November 1, 2014
Integrative analysis of RNA-seq and Ribo-seq reveals that lncRNA regulates chicken myogenesis through encoding
Yufang Niu1, Liyang He1, Zhiyuan An1
1College of Animal Science and Technology, Henan Agricultural University, Zhengzhou, 450046, China.
Journal of Animal Science and Biotechnology
|May 29, 2026
Summary
Long noncoding RNAs (lncRNAs) can encode small peptides that regulate gene expression. This study found a specific lncRNA, lncMPD, produces a peptide that promotes chicken myoblast proliferation by interacting with CDK1.
Area of Science:
- Molecular Biology
- Genetics
- Developmental Biology
Background:
- Long noncoding RNAs (lncRNAs) are involved in crucial regulatory steps of myogenesis.
- Some lncRNAs can encode small peptides, influencing gene expression and biological processes.
Purpose of the Study:
- To investigate the role of lncRNAs in chicken myogenesis.
- To identify and characterize lncRNAs with coding potential that regulate muscle development.
Main Methods:
- RNA sequencing (RNA-seq) and Ribosome profiling (Ribo-seq) were used to screen lncRNAs in chicken myoblasts.
- Western blotting (WB), mass spectrometry, and co-immunoprecipitation (Co-IP) were employed for validation and interaction studies.
Main Results:
- 178 differentially expressed lncRNAs (DE-lncRNAs) were identified, with three showing differential translation.
- lncMPD was found to encode a 74-amino acid peptide (MPD-74aa) that promotes myoblast proliferation and inhibits differentiation.
- MPD-74aa interacts with CDK1, a key protein in cell proliferation, and positively regulates its expression.
Conclusions:
- The lncRNA lncMPD plays a vital role in chicken myogenesis by encoding the small peptide MPD-74aa.
- MPD-74aa regulates chicken muscle development through interaction with CDK1, offering new insights into lncRNA coding capacity.
- This study highlights a novel mechanism of lncRNA-mediated gene regulation in muscle development.
Related Concept Videos
02:39lncRNA - Long Non-coding RNAs
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01:13Formation of Muscle Fibers from Myoblasts
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01:23Regulation of Expression at Multiple Steps
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03:21RNA-seq
RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases.
Before the discovery of RNA-seq, microarray-based methods and Sanger sequencing were used for transcriptome analysis. However, while microarray-based...
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