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References OMIM Gene GeneReviews HGMD HGNC
last update : 03-04-2019
Symbol CCNOA
Location 9q22.33
Name congenital cataract with nonobstructive azoospermia
Corresponding gene TDRD7
Main clinical features
  • familial nonobstructive azoospermia (NOA) and congenital cataract
  • at hisological analysis lack of mature sperm in the male patient seminiferous tubules, due to the arrest of spermatogenesis at the spermiogenesis stage, during which a round haploid spermatid develops into an elongated spermatozoon
  • Genetic determination autosomal recessive
    Function/system disorder eye
    Type disease