Theca Cells
Theca Cells - Related Videos
07:03
A Modified Co-Culture System for Understanding Granulosa-Theca Cell Interactions in the Bovine Ovary
0 Views •
2025
This article presents a co-culture model of bovine theca and granulosa cells. This method has the potential to serve as a reliable foundation for analyses focused on the study of paracrine communication and substrate transport between the somatic cells within the follicle.
05:04
Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications
0 Views •
Cited by 2 •
2024
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.
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
0 Views •
2025
This protocol describes the in vivo reprogramming of mouse cancer cells into type 1 dendritic-like cells within the tumor microenvironment through enforced expression of the transcription factors PU.1, IRF8, and BATF3.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
0 Views •
Cited by 8 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
02:47
Human ES cells: Starting Culture from Frozen Cells
0 Views •
2006
Here we demonstrate how our lab begins a HuES human embryonic stem cell line culture from a frozen stock.
FAQs
Luteinizing hormone primarily activates theca interna steroidogenic activity, enabling these cells to use cholesterol to produce androgen precursors. Those precursors then diffuse to neighboring granulosa cells rather than serving only as local products of theca cells. This division of labor connects gonadotropin signaling with downstream estrogen production and helps coordinate endocrine support for follicle development.
Theca and granulosa cells perform linked steps in ovarian steroid production. Theca interna cells supply androgen precursors, while follicle-stimulating hormone promotes aromatization in granulosa cells, converting those precursors into estrogens. This cellular cooperation allows hormone production to proceed through coordinated activity between adjacent follicular cell populations and supports the follicle’s changing endocrine functions.
Theca interna cells contribute primarily to hormone production by synthesizing androgen precursors in response to luteinizing hormone. Theca externa cells instead provide structural support around the follicle. Their different roles show that the theca is functionally specialized, combining endocrine activity with physical organization during follicular growth and reproductive development.
Analyzing steroidogenesis in these cells can clarify how follicles receive endocrine support as they grow, how hormone production contributes to ovulation, and how ovarian regulation relates to reproductive function. This approach connects cellular hormone synthesis with broader reproductive processes, rather than examining follicular structure or hormone output in isolation.
Theca cells are relevant because altered androgen production can interfere with normal follicle maturation in polycystic ovary syndrome. Examining their steroidogenic activity helps researchers connect changes in ovarian hormone production with disrupted follicular development and fertility. This provides a cellular context for understanding how endocrine imbalance may affect reproductive function.
Theca-cell activity supports a sequence linking follicle growth, hormone production, and ovulation. Androgen precursor synthesis supplies granulosa-cell estrogen production, while the surrounding theca structure supports the developing follicle. Disruption at the steroidogenic or structural level can therefore affect follicular maturation and may influence the reproductive outcomes associated with fertility.