Table 1.
Xenografting of mammalian testis tissue from immature donors.
| O1 | F2 | SF3 | Donor species (Common name) |
Donor age4 | Most advanced germ cell found5 |
Time postgrafting6 |
Reference |
|---|---|---|---|---|---|---|---|
| RODENTIA | |||||||
| MURIDAE | |||||||
| Rattus norvegicus | Neonatal (3 dy) | Spermatocytes | 6 wk | Skakkebaek et al. 1974 | |||
| (Laboratory rat) | |||||||
| CRICETIDAE | |||||||
| Phodopus sungorus | Neonatal | Complete spgenesis | 7 wk | Schlatt et al. 2002 | |||
| (Djungarian hamster) | |||||||
| LAGOMORPHA | |||||||
| LEPORIDAE | Shinohara et al. 2002 | ||||||
| Oryctolagus cuniculus | Prepubertal (1–6 wk) | Complete spgenesis | 8.4–12.6 wk | ||||
| (Common rabbit) | |||||||
| CARNIVORA | |||||||
| CANIDAE | |||||||
| Canis lupus familiaris | Immature (< 4 mo) | Complete spgenesis | 16.8 wk | Abrishami et al. 2010a | |||
| (Domestic dog) | Young (4–6 mo) | Complete spgenesis | |||||
| MUSTELIDAE | |||||||
| Mustela putorius furo | Immature (8 wk) | Complete spgenesis | 20 wk | Gourdon & Travis 2011 | |||
| (Domestic ferret) | |||||||
| FELIDAE | |||||||
| Felis Catus | Neonatal (2.5 wk) | Complete spgenesis | 35 wk | Snedaker et al. 2004 | |||
| (Domestic cat) | Early juvenile (8 wk) | Complete spgenesis | 50 wk | Kim et al. 2007 | |||
| Prepubertal (10–16 wk) | Complete spgenesis | 30 wk | |||||
| Pubertal (5–7 mo) | Complete spgenesis | 50 wk | |||||
| Lynx pardinus | Foetal | Degenerated | 36 wk | Arregui et al. 2013 | |||
| (Iberian Lynx) | Juvenile (6 mo) | Spermatogonia | 66 wk | ||||
| PERISSODACTYLA | |||||||
| EQUIDAE | |||||||
| Equus ferus caballus | Immature (2 wk) | Spermatogonia | 34–35 wk | Rathi et al. 2006 | |||
| (Domestic horse) | Immature (5 mo) | Spermatocytes | |||||
| Immature (8 mo) | Complete spgenesis * | ||||||
| Immature (8 mo) | Spermatocytes | ||||||
| Immature (10 mo) | Complete spgenesis | ||||||
| Immature (12 mo) | Spermatocytes* | ||||||
| Immature (12 mo) | Spermatogonia | ||||||
| CETARTIODACTYLA | |||||||
| CAMELIDAE | |||||||
| Vicugna pacos | Prepubertal (6–10 mo) | Complete spgenesis | 24 wk | Elzawam 2013 | |||
| (Domestic alpaca) | |||||||
| SUIDAE | |||||||
| Sus scrofa domesticus | Neonatal (5–10 wk) | Complete spgenesis | 17–18 wk | Honaramooz et al. 2002b, Kaneko et al. 2008 | |||
| (Domestic pig) | |||||||
| TAYASSUIDAE | |||||||
| Tayassu tajacu | Immature (3 mo) | Complete spgenesis | 25.2 wk | Campos-Junior et al. 2013 | |||
| (Collared peccary) | |||||||
| CERVIDAE | |||||||
| Odocoileus virginianus | Immature (2 mo) | Complete spgenesis | 33.6 wk | Abbasi & Honaramooz 2012 | |||
| (White-tailed deer) | |||||||
| BOVIDAE | |||||||
| BOVINAE | |||||||
| Bos taurus | Foetus (125–145 dy) | Spermatocytes | 42 wk | Rodriguez-Sosa et al. 2011 | |||
| (Domestic cattle) | Neonatal (1–2 wk) | Complete spgenesis | 25.2–33.6 wk | Rathi et al. 2005 | |||
| Neonatal (4 wk) | Complete spgenesis | 24 wk | Oatley et al. 2004, 2005 | ||||
| Immature (8 −28wk) | Complete spgenesis | 20–25 wk |
Kaproth et al. 2002; Oatley et al. 2005; Huang et al. 2008 |
||||
| Bos javanicus | Neonatal (1 wk) | Spermatocytes | 12.6 wk | Honaramooz et al. 2005 | |||
| (Banteng) | |||||||
| Bison bison bison | Neonatal (1dy) | Complete spgenesis | 67.2 wk | Abbasi & Honaramooz 2011b | |||
| (Plains bison) | |||||||
| Bubalus bubalis | Neonatal (8 wk) | Spermatocytes | 24wk | Reddy et al. 2012 | |||
| (Water buffalo) | Neonatal (8 wk) | Complete spgenesisɵ | |||||
| ANTILOPINAE | |||||||
| Nanger dama mohorr | Immature (8 mo) | Round spermatids | 16 wk | Arregui et al. 2013 | |||
| (Mohor gazelle) | |||||||
| Gazella cuvieri | Foetus | Spermatocytes | 58–67 wk | Arregui et al. 2013 | |||
| (Cuvier’s gazelle) | |||||||
| CAPRINAE | |||||||
| Capra hircus | Immature (4 wk) | Complete spgenesis | 10 wk | Honaramooz et al. 2002b | |||
| (Domestic goat) | |||||||
| Ovis aries | Immature (1–2 wk) | Complete spgenesis | 12 wk | Zeng et al. 2006; Arregui et al. 2008a | |||
| (Domestic sheep) | |||||||
| PRIMATES | |||||||
| CERCOPITHECIDAE | |||||||
| Macaca mulatta | Infant (3 mo) | Spermatocytes* | 28 wk | Rathi et al. 2008 | |||
| (Rhesus monkey) | Infant (3 mo) | Spermatogonia | |||||
| Infant (6 mo) | Complete spgenesis* | ||||||
| Infant (6 mo) | Spermatogonia | ||||||
| Juvenile (8–11 mo) | Spermatocytes | 12.6 wk | Ehmcke et al. 2011 | ||||
| Juvenile (13 mo) | Complete spgenesis | 29.4 wk | Honaramooz et. al 2004 | ||||
| Juvenile (16 month) | Complete spgenesis | 21 wk | Ehmcke et al. 2011 | ||||
| CALLITRICHIDAE | |||||||
| Callithrix jacchus | Neonatal | Spermatocytes* | 22 wk | Schlatt et al. 2002 | |||
| (Common marmoset) | |||||||
| HOMINIDAE | |||||||
| Homo sapiens | Foetus (14–26 wk) | Spermatogonia | 4–22 wk | Skakkebaek et al. 1974; Yu et al. 2006 | |||
| (Human being) | Infant (3 mo) | Spermatocytes | 54 wk | Sato et al. 2010 | |||
| Infant (3–5 ye) | Spermatogonia | 37.8 wk | Van Sean et al. 2011 | ||||
| Prepubertal (7–12–13 ye) | Spermatocytes | 25.2–37.8 wk | Wyns et al. 2008; Van Sean et al. 2011 | ||||
| Pubertal (14 ye) | Mainly degenerated | 25.2 wk | Wyns et al. 2008 | ||||
1
Order.
2
Family.
3
Subfamily.
4
Dy: days, wk: weeks, mo: months and ye: years.
5
Complete spermatogenesis when papers refers to elongating spermatids, elongated spermatids, sperm, or spermatozoa,
*
with hormone supplementation,
ɵ
using non-castrated host.
6
Corresponds to the earliest time point when most advanced germ cell was found, time has been expresed in weeks (wk) by dividing by 7 when it was given in days and multiplied by 4.2 when it was shown in months.