نتایج جستجو برای: retardation number
تعداد نتایج: 1187613 فیلتر نتایج به سال:
A number of families have been reported in which mental retardation appeared to be segregating as an X-linked recessive (Martin and Bell, 1943; Allan, Herndon, and Dudley, 1944; Losowsky, 1961; Renpenning et al, 1962; Dunn et al, 1962/1963; Neuhauser et al, 1969; Snyder and Robinson, 1969; Neuhauser and Zerbin-Rudin, 1970). We reported 5 such families (Turner, Turner, and Collins, 1971b) in whi...
Recently much attention has been given to the detection of submicroscopic chromosome rearrangements in patients with idiopathic mental retardation. We have screened 27 subjects with mental retardation and dysmorphic features for such rearrangements using a genetic marker panel screening. The screening was a pilot project using markers from the subtelomeric regions of all 41 chromosome arms. The...
Fragile X syndrome (FXS) is a well-recognized form of inherited mental retardation, caused by a mutation in the fragile X mental retardation 1 (Fmr1) gene. The gene is located on the long arm of the X chromosome and encodes fragile X mental retardation protein (FMRP). Absence of FMRP in fragile X patients as well as in Fmr1 knockout (KO) mice results, among other changes, in abnormal dendritic ...
Non-syndromic mental retardation is one of the most serious neurodevelopmental disorders, which has a serious impact not only on the affected individuals and their families but also on the health care system and society. Previously research has been more focused on the X-linked mental retardation and only recently studies have shown that non-syndromic autosomal recessive mental retardation is e...
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