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Long non-coding RNAs regulate effects of β-crystallin B2 on mouse ovary development
Qian Gao1, Hanxiao Ren1, Mingkun Chen1
1Department of Laboratory Diagnosis, Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China.
Molecular Medicine Reports
|September 27, 2016
Summary
Beta-crystallin B2 (CRYBB2) knockout mice show ovarian abnormalities. Long non-coding RNAs (lncRNAs) regulate CRYBB2
Area of Science:
- Reproductive Biology
- Genomics
- Molecular Biology
Background:
- Beta-crystallin B2 (CRYBB2) is crucial for normal ovarian morphology and function.
- Long non-coding RNAs (lncRNAs) are key regulators of gene expression and epigenetic modifications.
- Understanding the interplay between CRYBB2 and lncRNAs is vital for comprehending ovarian development.
Purpose of the Study:
- To investigate the role of lncRNAs in mediating the effects of CRYBB2 on mouse ovarian development.
- To identify differentially expressed lncRNAs and mRNAs in CRYBB2 knockout ovaries.
- To elucidate the regulatory network between lncRNAs and mRNAs in ovarian tissues.
Main Methods:
- lncRNA and mRNA microarray profiling of wild-type and CRYBB2 knockout mouse ovaries.
- Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses.
- lncRNA-mRNA co-expression network construction using the correlation matrix method.
- Quantitative reverse transcription-polymerase chain reaction (RT-qPCR) for expression validation.
Main Results:
- 157 differentially expressed lncRNAs and 1,085 differentially expressed mRNAs were identified.
- Enriched pathways include Ca2+ signaling and ligand-receptor interactions.
- A co-expression network of 53 lncRNAs and 45 mRNAs was established.
- Downregulation of lncRNA A-30-P01019163 and its target P2rx7 was confirmed in knockout mice.
Conclusions:
- CRYBB2 influences ovarian development through the regulation of specific lncRNAs.
- lncRNA A-30-P01019163 may impact ovarian cell cycle and proliferation by modulating P2rx7 expression.
- This study reveals a novel regulatory mechanism involving CRYBB2, lncRNAs, and P2rx7 in ovarian function.
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