Article
α-Thalassemia resulting from a negative chromosomal position effect
1 Aug 2000
Abstract excerpt
To date, all of the chromosomal deletions that cause alpha-thalassemia remove the structural alpha genes and/or their regulatory element (HS -40). A unique deletion occurs in a single family that juxtaposes a region that normally lies approximately 18-kilobase downstream of the human alpha cluster, next to a structurally normal alpha-globin gene, and silences its expression. During development, the CpG island...
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