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Journals and Conferences
Smith-Lemli-Opitz syndrome (SLOS) is an inherited multiple malformation syndrome caused by enzymatic deficiency of 3beta-hydroxysterol-Delta(7)-reductase (DHCR7). SLOS is thought to be most common among European Caucasians, with an incidence of 1 in 20,000 to 1 in 30,000 births. To define the carrier rate and ethnic distribution of SLOS, we screened DNA… (More)
We report four unrelated families with a mild β(+)-thalassemia (β(+)-thal) allele consisting of two sequence variants at the 3' end of IVS-II: IVS-II-839 (T>C) (HBB: c.316-12T>C) and IVS-II-844 (C>A) (HBB: c.316-7C>A). These sequence variants alter the conserved polypyrimidine tract of the consensus splice acceptor sequence (Y11NYAG/G), which could reduce… (More)
We report the case of a father and daughter who are heterozygous for a duplication of 65 bp within exon 2 of the β-globin gene, resulting in an altered and truncated β-globin chain that is predicted to be non functional. The β-globin gene mutation is in cis with the common Hb A2 ' missense mutation of the δ-globin gene (HBD: c.49G>C), resulting in… (More)
We describe a complicated genetic counseling and prenatal diagnostic case involving an East Indian couple that had lost two consecutive pregnancies. Hemoglobinopathy screening was conducted to investigate the possibility of Hb Bart's hydrops fetalis or Hb H hydrops fetalis. The initial work-up indicated that alpha-thalassemia was not a contributing factor,… (More)
We report a case of δβ-thalassemia (δβ-thal) trait in an adult male originally from Sudan. Multiplex ligation-dependent probe amplification (MLPA) was used to localize the approximate boundaries of the deletion, followed by polymerase chain reaction (PCR) amplification and sequence analysis of the junction fragment to determine the precise deletion… (More)
Routine hemoglobin (Hb) analysis identified a new beta chain Hb variant in an Iranian woman, who otherwise had normal hematological indices. Sequence analysis demonstrated that the Hb variant was due to a missense mutation at amino acid codon 117 (CAC>GAC, His-->Asp) of the beta-globin gene.
Digitizing race : visual cultures of the Internet / Lisa Nakamura. p. cm. — (Electronic mediations ; v. 23) Includes bibliographical references and index.
Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive, multiple congenital anomaly syndrome caused by deficiency of 7-dehydrocholesterol reductase (DHCR7), which catalyzes the last step of endogenous cholesterol synthesis. Surveys of SLOS patients have identified more than one hundred point mutations of the DHCR7 gene, most of which are missense… (More)