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Updated: May 23, 2026
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A Modified Co-Culture System for Understanding Granulosa-Theca Cell Interactions in the Bovine Ovary
Published on: September 19, 2025
A pilot study on transcriptome data analysis of folliculogenesis in pigs
G Tosser-Klopp1, K-A Lê Cao, A Bonnet
11Laboratoire de Génétique Cellulaire, Institut National de la Recherche Agronomique, UMR444, BP 52627, 31326 Castanet Tolosan Cedex, France.
Animal : an International Journal of Animal Bioscience
|March 27, 2012
Summary
This study demonstrates a feasible transcriptomic protocol for analyzing pig folliculogenesis. Gene selection methods identified known and novel genes involved in ovarian follicle development.
Area of Science:
- Reproductive Biology
- Genomics
- Animal Science
Background:
- Ovarian follicle development (folliculogenesis) is crucial for reproductive success.
- Understanding pig folliculogenesis requires advanced molecular tools.
Purpose of the Study:
- To establish the feasibility of a granulosa-cell transcriptomic protocol for studying pig folliculogenesis.
- To identify genes involved in different stages of pig ovarian follicle development.
Main Methods:
- Granulosa cell transcriptomic analysis using nylon microarrays (1152 clones) across three pig antral follicle stages.
- Statistical analysis employing linear mixed models (LMM) to assess data variability.
- Gene selection using principal component analysis, unsupervised hierarchical clustering, and random forest analysis.
Main Results:
- Low variability was confirmed within technical replicates using LMM.
- Statistical methods successfully identified relevant genes associated with pig folliculogenesis.
- Selected genes aligned with previous research and highlighted novel candidates for further investigation.
Conclusions:
- The developed transcriptomic protocol is feasible and effective for studying pig folliculogenesis.
- The study successfully identified key genes, including novel ones, implicated in ovarian follicle development in pigs.
