Differences in expression of cystic fibrosis in blacks and whites.

Abstract excerpt

The recent identification of the cystic fibrosis (CF) gene confirms that genetic heterogeneity occurs in CF. A three-base-pair deletion in exon 10 resulting in a loss of the phenylalanine residue at amino acid position 508 of the gene product, termed the CF conductance regulator protein, accounts for 70% of cases of CF in white subjects. However, this gene defect occurs in only 37% of affected blacks. Analysis of...

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