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Table 1.

Donor cell colonization in W recipient mice

Donor age (dpc)Number of recipient testesNumber of transplanted cells (×104/testis)Number of testes with spermatogenesis (%)% tubule crosssection with spermatogenesis*Number of testes with teratoma (%)
6.5 27 0.4±0.2 2 (7.4) 0.1±0.1 4(14.8) 
8.5 13 7.2±0.6 9 (69.2) 3.8±0.1 4 (30.8) 
10.5 (mes+gut) 12 12.8±1.4 4 (33.3) 0.9±0.5 
10.5 (UGR) 15 11.4±2.4 11 (73.3) 7.2±0.1 
11.5 13 2.4±1.0 8 (61.5) 2.4±0.7 
12.5 13 9.0±1.6 11 (84.6) 15.7±4.5 
14.5 12 20 12 (100) 56.5±10.8 
16.5 12 20 12 (100) 59.3±7.5 
Donor age (dpc)Number of recipient testesNumber of transplanted cells (×104/testis)Number of testes with spermatogenesis (%)% tubule crosssection with spermatogenesis*Number of testes with teratoma (%)
6.5 27 0.4±0.2 2 (7.4) 0.1±0.1 4(14.8) 
8.5 13 7.2±0.6 9 (69.2) 3.8±0.1 4 (30.8) 
10.5 (mes+gut) 12 12.8±1.4 4 (33.3) 0.9±0.5 
10.5 (UGR) 15 11.4±2.4 11 (73.3) 7.2±0.1 
11.5 13 2.4±1.0 8 (61.5) 2.4±0.7 
12.5 13 9.0±1.6 11 (84.6) 15.7±4.5 
14.5 12 20 12 (100) 56.5±10.8 
16.5 12 20 12 (100) 59.3±7.5 

Values are mean±s.e.m. Results from at least three separate experiments. Testes were analyzed 3-4 months after transplantation. Mes+gut,mesentery and gut; UGR, urogenital ridge.

*

Percentage of tubule cross-sections containing spermatogenesis/total tubule cross-sections examined in each testis.

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