Publications by authors named "Taiseer Maray"

Article Synopsis
  • - The study focuses on the Druze population, which has a history of genetic isolation, leading to recurrent pathogenic variants in autosomal recessive disorders.
  • - Researchers conducted whole-genome and whole-exome sequencing on 158 Druze individuals to identify pathogenic variants and compared their findings to global databases.
  • - They found 34 pathogenic variants linked to different genetic disorders and recommend including these findings in future prenatal screening options for the Druze, pending further validation.
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Druze individuals rarely marry outside their faith (often practicing consanguinity) and are thus believed to form a genetic isolate. To comprehensively characterize the genetic structure of the Druze population, we recruited and genotyped 40 parent-offspring trios from the Upper Galilee in Israel and the Golan Heights, attempting to capture different extended families (clans) across various geographical locations. Principal component (PC) and ADMIXTURE analyses demonstrated that Druze are close to, yet distinct from, other Middle-Eastern groups (Bedouins and Palestinians), supporting the Druze's Middle-Eastern origin and their recent genetic isolation.

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Three mutations in BRCA1 (185delAG, 5382InsC) and BRCA2 (6174delT) predominate among high risk breast ovarian cancer Ashkenazi Jewish families, with few "private" mutations described. Additionally, the spectrum of BRCA1 and BRCA2 germline mutations among high risk Jewish non Ashkenazi and non Jewish Israelis is undetermined. Genotyping by exon-specific sequencing or heteroduplex analysis using enhanced mismatch mutation analysis was applied to 250 high risk, predominantly cancer affected, unrelated Israeli women of Ashkenazi (n = 72), non Ashkenazi (n = 90), Moslem (n = 45), Christian Arabs (n = 21), Druze (n = 17), and non Jewish Caucasians (n = 5).

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