Summary
Published in Biofabrication (2024), this peer-reviewed study used 3D Petri Dish® micro-molds to form scaffold-free 3D microtissues. Full citation: Richer, Guillaume, et al. Spermatogenesis in mouse testicular organoids with testis-specific architecture, improved germ cell survival and testosterone production
Spermatogenesis in mouse testicular organoids with testis-specific architecture, improved germ cell survival and testosterone production
Research Overview
Testicular organoid cultures have suffered from histological heterogeneity, germ cell loss, and absence of spermatogenesis. This study took a biphasic approach, using agarose microwells to create organoids from prepubertal mouse testicular cells.
The first phase focused on germ cell survival during a two-week reorganization period, comparing α-MEM with 10% knockout serum replacement against three optimized media, while also testing cell densities and culture dynamics to recreate testis-like histology. Once survival and organization were optimized, growth factors and immunomodulation were addressed in the second phase.
Key Discoveries
- Biphasic protocol separated germ cell survival from later maturation in testicular organoids
- Agarose microwells used to build organoids from prepubertal mouse testicular cells
- Media, cell density, and culture dynamics optimized to restore testis-like histology
