cellular
• at 8 weeks, hemizygous mutant males show a marked reduction of the total number of germ cells in their seminiferous tubules, although the number of spermatogonia is apparently normal
|
azoospermia
(
J:123057
)
• no spermatozoa are detected at 8 weeks of age
|
• spermatogenesis is arrested at meiosis I
|
reproductive system
• at 8 weeks, hemizygous mutant males show a marked reduction of the total number of germ cells in their seminiferous tubules, although the number of spermatogonia is apparently normal
|
azoospermia
(
J:123057
)
• no spermatozoa are detected at 8 weeks of age
|
• at 8 weeks, spermatogenesis is incomplete, as primary spermatocytes are readily observed, but no secondary spermatocytes, spermatids or spermatozoa are detected
|
• spermatogenesis is arrested at meiosis I
|
• at 8 weeks of age
|
• at 8 weeks of age
|
• at 8 weeks of age, the tunica propria is more prominent in the mutant testis with 2-3 layers visible relative to one layer found in wild-type males
• although Leydig cells are present in similar numbers to those found in wild-type testes, the interstitial connective tissue appears to be more pronounced in mutant testes
|
• at 8 weeks, the seminiferous tubules in mutant testis are smaller in diameter relative to wild-type controls
|
small testis
(
J:123057
)
• at 8 weeks of age, mutant testes are smaller than wild-type
|
• at 8 weeks of age, the testis mass of hemizygous mutant males is reduced by 95% relative to wild-type control males
|
cryptorchism
(
J:123057
)
• mutant testes are located intra-abdominally
|
• hemizygous mutant males display female external genitalia
|
growth/size/body
• at 8 weeks and 10 to 25 weeks hemizygous mutant males weigh less than wild-type males; their mean body weight is intermediate between wild-type male and female control littermates
• contrary to expectation, hemizygous mutant males do not become heavier than wild-type control males with increasing age
|
homeostasis/metabolism
• at 9 weeks of age, serum testosterone levels of hemizygous mutant males are reduced relative to wild-type control littermates
|
endocrine/exocrine glands
• at 8 weeks of age
|
• at 8 weeks of age
|
• at 8 weeks of age, the tunica propria is more prominent in the mutant testis with 2-3 layers visible relative to one layer found in wild-type males
• although Leydig cells are present in similar numbers to those found in wild-type testes, the interstitial connective tissue appears to be more pronounced in mutant testes
|
• at 8 weeks, the seminiferous tubules in mutant testis are smaller in diameter relative to wild-type controls
|
small testis
(
J:123057
)
• at 8 weeks of age, mutant testes are smaller than wild-type
|
• at 8 weeks of age, the testis mass of hemizygous mutant males is reduced by 95% relative to wild-type control males
|
cryptorchism
(
J:123057
)
• mutant testes are located intra-abdominally
|
Mouse Models of Human Disease |
DO ID | OMIM ID(s) | Ref(s) | |
androgen insensitivity syndrome | DOID:4674 |
OMIM:300068 |
J:123057 |