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Transcriptome sequencing revealed that knocking down FOXL2 affected cell proliferation, the cell cycle, and DNA

Wei Luo1,2, Lantao Gu1,2, Jinqiu Li1,3

  • 1Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China.

Plos One
|July 10, 2020
PubMed

Insights

Forkhead box L2 (FOXL2) is crucial for ovarian development. Knocking down FOXL2 in granulosa cells promotes cell proliferation and DNA replication while decreasing apoptosis, impacting ovarian function.

Area of Science:

  • Reproductive Biology
  • Molecular Endocrinology
  • Genetics

Background:

  • Forkhead box L2 (FOXL2) is a transcription factor vital for ovarian development.
  • Its precise role in ovarian granulosa cell (GC) biological processes requires further elucidation.

Purpose of the Study:

  • To investigate the impact of FOXL2 on GC biological processes and gene expression.
  • To identify key genes and pathways regulated by FOXL2 in the ovary.

Main Methods:

  • Establishment of stable FOXL2-knockdown ovarian granulosa cells.
  • Transcriptome sequencing to analyze gene expression changes.
  • Bioinformatic analysis of differentially expressed genes (DEGs) and pathways.

Main Results:

  • FOXL2 knockdown significantly affected cell proliferation, DNA replication, apoptosis, and cell cycle progression.
  • Knockdown promoted GC proliferation and DNA replication, reduced apoptosis, and enhanced mitosis.
  • Transcriptome analysis identified numerous DEGs and associated regulatory pathways influenced by FOXL2.

Conclusions:

  • FOXL2 plays a key role in ovarian development and maintenance.
  • FOXL2 regulates GC proliferation, DNA replication, and cell cycle progression through mediating specific genes and pathways.
  • These findings provide insights into the molecular mechanisms underlying FOXL2's function in the ovary.

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