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Updated: Apr 28, 2026
Germ Cell Transplantation and Testis Tissue Xenografting in Mice
Published on: February 6, 2012
Establishment of recipient model for spermatogonial stem cells transplantation in Kunming mice
Juhua Wang1, Xiuheng Xue1, Caiyun Fan1
1College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China.
Abstract:
The objective of this study was to establish a recipient model for spermatogonial stem cells (SSCs) transplantation in the Kunming mice after different doses busulfan treatment. The results showed that the most optimal dose of busulfan was 20mg/kg and the most appropriate time for transplantation was 5-7 wk after busulfan treatment. Then, the cloned fragments existed in the testis of recipient mice after 20mg/kg busulfan treatment and the offspring with enhanced green fluorescent protein (EGFP) were produced by the transplanting SSCs. Hence, we established the effective recipient model for donor-derived SSCs transplantation in Kunming mice.
Insights
Researchers established an effective recipient model for spermatogonial stem cell (SSC) transplantation in Kunming mice. Optimal busulfan dose and timing were identified, enabling successful SSC transplantation and production of EGFP-expressing offspring.
Area of Science:
- Reproductive Biology
- Stem Cell Biology
- Animal Models
Background:
- Spermatogonial stem cells (SSCs) are crucial for male fertility and potential therapeutic applications.
- Establishing a reliable recipient model is essential for advancing SSC transplantation research.
- Kunming mice are a common model organism in biomedical research.
Purpose of the Study:
- To develop and validate a recipient model in Kunming mice for spermatogonial stem cell (SSC) transplantation.
- To determine the optimal busulfan dosage and post-treatment interval for creating a receptive testicular environment.
- To confirm the efficacy of the established model by assessing donor SSC colonization and offspring production.
Main Methods:
- Kunming mice were treated with varying doses of busulfan to induce spermatogonial depletion.
- Different post-treatment intervals were evaluated to identify the optimal window for SSC transplantation.
- Donor SSCs, potentially modified (e.g., with enhanced green fluorescent protein - EGFP), were transplanted into the seminiferous tubules of recipient testes.
- Testicular histology and the presence of donor-derived cells/offspring were analyzed to assess transplantation success.
Main Results:
- A busulfan dose of 20mg/kg was identified as optimal for creating a suitable recipient environment.
- The most appropriate time for SSC transplantation was determined to be 5-7 weeks after busulfan treatment.
- Donor-derived SSCs successfully colonized the testes of recipient mice.
- Offspring resulting from the transplanted SSCs were produced, some expressing enhanced green fluorescent protein (EGFP).
Conclusions:
- An effective recipient model for donor-derived SSC transplantation in Kunming mice has been successfully established.
- The study provides critical parameters (busulfan dose and timing) for optimizing SSC transplantation protocols.
- This model facilitates future research in germline stem cell biology and potential fertility restoration strategies.
