Biochemical and biophysical research communications · 1987
Genetic heterogeneity of steroid sulfatase deficiency revealed with cDNA for human steroid sulfatase.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Conary J T, Lorkowski G, Schmidt B, Pohlmann R, Nagel G, Meyer H E, Krentler C, Cully J, Hasilik A, von Figura K
Аннотация
Three cDNA clones with inserts of 1.2-1.6 kb that reacted both with antibodies and oligonucleotides specific for steroid sulfatase were isolated from a human placental library in lambda gt11. The 5'-end of one of the inserts, STS-3, was sequenced and colinearity with the amino acid sequence of 3 peptides of steroid sulfatase encompassing 64 amino acids was demonstrated. STS-3 hybridized with 2.5, 4.6 and 6.3 kb species in poly(A)+RNA and with 2.5, 4 and 9 kb fragments of EcoRI digested human DNA. The frequency of the EcoRI fragments in DNA from females was approximately twice that in DNA from males. DNA from two patients with steroid sulfatase deficiency and X-linked ichthyosis did not hybridize with STS-3. DNA from a third patient showed a normal hybridization pattern. It is concluded that steroid sulfatase deficiency is a genetically heterogenous disorder.