Abstract
Repopulating spermatogenic colonies, found in the seminiferous epithelium after irradiation with fast-fission neutrons, were studied to determine the chance that a stem cell Asingle (As) spermatogonium would complete a self-renewing division (P). Mathematical formulas originally derived for such studies in haemopoietic colonies were employed, and a method specifically aimed at spermatogenic colonies was developed. The results showed that during the first division after irradiation, P is close to 1.0. P decreases in later generations, but remains 0.7 or higher up to the 4th or 5th divisions. The mean value for P was over 0.8, which is higher than the value of 0.6-0.7 found for stem cells in haemopoietic colonies
| Original language | English |
|---|---|
| Pages (from-to) | 1-16 |
| Journal | Cell and tissue kinetics |
| Volume | 23 |
| Issue number | 1 |
| Publication status | Published - 1990 |
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