mortality/aging
• homozygotes die perinatally due to complete absence of gential tracts and kidneys
|
renal/urinary system
absent kidney
(
J:63683
)
• at E18.5, homozygotes lack both kidneys
|
absent ureter
(
J:63683
)
• at E18.5, homozygotes lack both ureters
|
reproductive system
• at E18.5, male homozygotes lack seminal vesicles
|
• at E18.5, female homozygotes lack oviducts
|
absent uterus
(
J:63683
)
• at E18.5, female homozygotes lack a uterus
|
absent vagina
(
J:63683
)
• at E18.5, female homozygotes lack a vagina
|
• at E18.5, male homozygotes lack an epididymis
|
• at E18.5, male homozygotes lack a vas deferens
|
nervous system
• at E12.5, the isthmic constriction at the midbrain-hindbrain boundary is missing
• at E18.5, the midbrain-hindbrain boundary is missing
|
• at E18.5, the posterior commissure is shifted caudally
|
• homozygotes fail to develop a posterior midbrain
|
absent tectum
(
J:63683
)
• at E18.5, the midbrain tectum is missing
|
• homozygotes fail to develop a cerebellum
|
hearing/vestibular/ear
• at E18.5, homozygotes lack a cochlea and contain one enlarged chamber at the ventral side instead of the utricle and saccule
• however, the dorsal vestibular region (including the semicircular canals) is largely normal
|
• at E18.5, the cochlea is entirely absent
|
• at E18.5, the saccule and utricle are fused, forming a single enlarged chamber
|
vision/eye
• at E18.5, homozygotes fail to close the optic fissure
|
• at E18.5, homozygotes exhibit malformations (scars) in the ventral retina
|
• at E18.5, cells of the pigmented retina abnormally extend into the optic stalk and nerve
|
pigmentation
• at E18.5, cells of the pigmented retina abnormally extend into the optic stalk and nerve
|
endocrine/exocrine glands
• at E18.5, male homozygotes lack seminal vesicles
|
embryo
• Mullerian ducts initially form in the anterior region of the genital ridge but subsequently degenerate
|
• Wolffian ducts initially form in the anterior region of the genital ridge but subsequently degenerate
|