نتایج جستجو برای: 46 xy female
تعداد نتایج: 351927 فیلتر نتایج به سال:
they were present in the peripheral blood of the mother, they either did not survive for more than 4 weeks, or at least they disappeared from the circulation. They were not selected out in a long term leucocyte culture. The latter fact however is not surprising as we have been unable to detect the marker chromosome specific of the leukaemic cells in established long term leucocyte cultures in 1...
SRY-mutation-caused sex reversal is a rare disease and mostly associated with a de novo mutation since the patients with defective SRY is infertile. There are many reports about SRY-mutation associated 46, XY ovarian disorder of sex development (DSD), but few described their molecular mechanism. Here we report a de novo mutation 224G>T (R75M) in SRY associated with a phenotypic female, 46, XY k...
Steroidogenic factor-1 (SF-1) (Ad4BP, NR5A1) is a nuclear receptor that regulates many aspects of adrenal and reproductive development and function. Consequently, deletion of the gene (Nr5a1) encoding Sf-1 in XY mice results in impaired adrenal development, complete testicular dysgenesis with Mullerian structures, and female external genitalia. Initial efforts to identify NR5A1 changes in human...
A 46,XY/46,XY,del(20)(q13-->q13.33) mosaicism was identified in a 68 year old man who had mild mental retardation and severe malformation of the limbs. The clinical findings of the patient are compared to those of the very few cases of 20q deletion published to date.
46,XY pure gonadal dysgenesis (Swyer syndrome) is characterized by normal female genitalia at birth. It usually first becomes apparent in adolescence with delayed puberty and amenorrhea. Rarely, patients can present with spontaneous breast development and/or menstruation. A fifteen-year-old girl presented to our clinic with the complaint of primary amenorrhea. On physical examination, her exter...
45,X/46,XY mosaicism is associated with a broad spectrum of phenotypes ranging from apparently normal male development to individuals with incomplete sexual differentiation and clinical signs of Turner syndrome in both males and females. The most common presentation among individuals with a 45,X/46,XY karyotype is sexual ambiguity, accounting for approximately 60% of cases, while the least comm...
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