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Published on: April 22, 2021
Characterization of porcine EPLIN gene revealed distinct expression patterns for the two isoforms
Heng Wang1, Huanling Wang, Zhengmao Zhu
1Department of Gene and Cell Engineering, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China.
Animal Biotechnology
|April 25, 2007
Summary
Epithelial protein lost in neoplasm (EPLIN) plays a role in pig muscle development. Researchers identified two EPLIN mRNA variants, with EPLIN-alpha found in developing muscle, unlike EPLIN-beta.
Area of Science:
- Animal Genetics
- Molecular Biology
- Biochemistry
Background:
- Epithelial protein lost in neoplasm (EPLIN) is a cytoskeleton-associated protein known to be downregulated in cancer cells.
- Two EPLIN isoforms, alpha and beta, arise from alternative promoter usage of a single gene.
- Preferential EPLIN expression in the muscle of splay-legged piglets suggests a role in muscle development.
Purpose of the Study:
- To investigate the function of EPLIN in pig muscle development.
- To isolate and characterize the two alternative splice variants of EPLIN mRNA in pigs.
- To analyze the expression patterns of EPLIN isoforms during muscle development.
Main Methods:
- Isolation of alternative splice variants of EPLIN mRNA.
- Chromosome assignment and identification of polymorphism sites.
- Gene expression analysis using real-time PCR.
- Temporal expression analysis during muscle development.
Main Results:
- Two alternative splice variants of porcine EPLIN mRNA were successfully isolated.
- Both EPLIN transcripts were found in various adult pig tissues, but at differing levels.
- EPLIN-alpha was detected in developing skeletal muscle, whereas EPLIN-beta was not.
- Chromosome assignment and polymorphism sites were identified for potential breeding applications.
Conclusions:
- EPLIN-alpha and EPLIN-beta exhibit distinct expression patterns during muscle development in pigs.
- EPLIN-alpha is likely involved in skeletal muscle development.
- The identified genetic markers offer potential for breeding applications in pigs.
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