Table 2.

Immature testicular tissue transplantation

Doner	Recipient	Grafting site	Outcome: germ cell matura-tion/offspring	References
Rat	Rat	Ear tip	Full spermatogenesis	Johnson et al. (67)
Piglets/goats/mice	Mice	Back skin	Sperm generation	Honaramooz et al. (48)
Mice/rabbit	Mice	Testis	Offspring generation	Shinohara et al. (47)
Cat	Mice	Back skin	Full spermatogenesis	Snedaker et al. (51)
Macaques	Mice	Back skin	Offspring generation	Liu et al. (53)
Human	Mice	Scrotal bursa	Pachytene spermatocyte generation	Wyns et al. (58)
Human	Mice	Back skin	Pachytene spermatocyte generation	Sato et al. (10)
Human	Mice	Intratesticular	Pachytene spermatocyte generation	Van Saen et al. (55)
Macaques	Macaques	Back skin, scrotal skin	Offspring generation	Fayomi et al. (54)
Mice	Mice	Epididymal fat	Elongated spermatids generation	Eyni et al. (68)