Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications

Ashley E. Kramer; Kathryn M. Ellwood; Erin M. Brannick; Aditya Dutta

doi:10.3791/67344

Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applicat...

JoVE Journal
Biology

A subscription to JoVE is required to view this content. Sign in or start your free trial.

JoVE Journal Biology

Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications

Full Text

1,504 Views

05:04 min

October 25, 2024

DOI: 10.3791/67344-v

Ashley E. Kramer*¹, Kathryn M. Ellwood*¹, Erin M. Brannick¹, Aditya Dutta²

¹Department of Animal & Food Sciences,University of Delaware, ²Departments of Animal & Food Sciences, Biological Sciences, Medical & Molecular Sciences, and Microbiology Graduate Program,University of Delaware

Overview

This study presents a method for isolating granulosa and theca cells from avian preovulatory follicles, which is essential for investigating the intricate roles these cell types play in reproductive biology. By facilitating analysis of gene expression during ovulation, this technique enhances understanding of reproductive efficiency and may improve egg production sustainability.

Key Study Components

Research Area

Poultry Reproductive Biology
Follicular development
Hormonal regulation

Background

Role of granulosa and theca cells in avian reproduction
Differential gene expression during ovulation
Importance of specialized cell separation for research

Methods Used

Cell separation protocol for avian preovulatory follicles
Study of genetically different cell types
Use of next generation sequencing technologies

Main Results

Successful separation of granulosa and theca cells
Insights into reproductive tissue functionality
Standardized protocols facilitate replication in research

Conclusions

This study demonstrates an effective technique for cell type separation in avian follicles.
Such methodologies have significant implications for enhancing reproductive efficiency and agricultural productivity.

Frequently Asked Questions

What is the significance of separating granulosa and theca cells?

Separating these cells permits detailed study of their functions and gene expression involved in reproduction.

How does this technique improve research accuracy?

By providing a standardized method for cell isolation, it reduces variability in experimental results.

What technologies are utilized in this study?

Next generation sequencing and metabolic assays are used to analyze gene expression and tissue interaction.

Is this technique applicable to other avian species?

While the protocol is tailored for poultry, the principles can be adapted for other avian species with modifications.

What are the applications of this research?

The insights gained can enhance reproductive efficiency and inform tissue engineering and biomedical research.

How does this study contribute to agricultural practices?

It provides a foundational understanding that can lead to improved egg production sustainability in the poultry industry.

Here, we describe a protocol for separating yolk, granulosa cells, and theca cells in avian preovulatory follicles. This precision handling enables critical investigations into the role of these layers in reproductive function, aiding the understanding of follicular development, hormonal regulation, and disease research for enhanced agricultural yield and biomedical insights.

We seek to understand the specialized granulosa and theca cells of the Langhand ovary. We study differential gene expression between the two cell types at different points during ovulation. This provides insights into reproductive efficiency and fertility that will be used to sustainably enhance egg production.

Poultry Reproductive Biology is currently investigated using next generation sequencing technologies and metabolic assays. This is done to study both the reproductive tissues and the hormonal interplay involved in sexual maturity and ovulation. The Granulosa cell layer may not always come off as an intact sheet.

View the full transcript and gain access to thousands of scientific videos