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Journal of Medical Genetics logoLink to Journal of Medical Genetics
. 1996 Aug;33(8):711–713. doi: 10.1136/jmg.33.8.711

Heterogeneity of phenotype in two cystic fibrosis patients homozygous for the CFTR exon 11 mutation G551D.

R B Parad 1
PMCID: PMC1050710  PMID: 8863168

Abstract

In the heterozygous state, the cystic fibrosis transmembrane conductance regulator (CFTR) exon 11 mutation G551D has been described as "severe," causing pancreatic insufficiency. Two cystic fibrosis (CF) patients homozygous for this mutation showed a mild rather than severe pancreatic phenotype and a variable pulmonary phenotype.

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Selected References

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  1. Cutting G. R., Kasch L. M., Rosenstein B. J., Zielenski J., Tsui L. C., Antonarakis S. E., Kazazian H. H., Jr A cluster of cystic fibrosis mutations in the first nucleotide-binding fold of the cystic fibrosis conductance regulator protein. Nature. 1990 Jul 26;346(6282):366–369. doi: 10.1038/346366a0. [DOI] [PubMed] [Google Scholar]
  2. Ferrie R. M., Schwarz M. J., Robertson N. H., Vaudin S., Super M., Malone G., Little S. Development, multiplexing, and application of ARMS tests for common mutations in the CFTR gene. Am J Hum Genet. 1992 Aug;51(2):251–262. [PMC free article] [PubMed] [Google Scholar]
  3. Hamosh A., King T. M., Rosenstein B. J., Corey M., Levison H., Durie P., Tsui L. C., McIntosh I., Keston M., Brock D. J. Cystic fibrosis patients bearing both the common missense mutation Gly----Asp at codon 551 and the delta F508 mutation are clinically indistinguishable from delta F508 homozygotes, except for decreased risk of meconium ileus. Am J Hum Genet. 1992 Aug;51(2):245–250. [PMC free article] [PubMed] [Google Scholar]
  4. Highsmith W. E., Burch L. H., Zhou Z., Olsen J. C., Boat T. E., Spock A., Gorvoy J. D., Quittel L., Friedman K. J., Silverman L. M. A novel mutation in the cystic fibrosis gene in patients with pulmonary disease but normal sweat chloride concentrations. N Engl J Med. 1994 Oct 13;331(15):974–980. doi: 10.1056/NEJM199410133311503. [DOI] [PubMed] [Google Scholar]
  5. Kiesewetter S., Macek M., Jr, Davis C., Curristin S. M., Chu C. S., Graham C., Shrimpton A. E., Cashman S. M., Tsui L. C., Mickle J. A mutation in CFTR produces different phenotypes depending on chromosomal background. Nat Genet. 1993 Nov;5(3):274–278. doi: 10.1038/ng1193-274. [DOI] [PubMed] [Google Scholar]
  6. Kristidis P., Bozon D., Corey M., Markiewicz D., Rommens J., Tsui L. C., Durie P. Genetic determination of exocrine pancreatic function in cystic fibrosis. Am J Hum Genet. 1992 Jun;50(6):1178–1184. [PMC free article] [PubMed] [Google Scholar]
  7. Logan J., Hiestand D., Daram P., Huang Z., Muccio D. D., Hartman J., Haley B., Cook W. J., Sorscher E. J. Cystic fibrosis transmembrane conductance regulator mutations that disrupt nucleotide binding. J Clin Invest. 1994 Jul;94(1):228–236. doi: 10.1172/JCI117311. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Richards B., Skoletsky J., Shuber A. P., Balfour R., Stern R. C., Dorkin H. L., Parad R. B., Witt D., Klinger K. W. Multiplex PCR amplification from the CFTR gene using DNA prepared from buccal brushes/swabs. Hum Mol Genet. 1993 Feb;2(2):159–163. doi: 10.1093/hmg/2.2.159. [DOI] [PubMed] [Google Scholar]
  9. Shuber A. P., Skoletsky J., Stern R., Handelin B. L. Efficient 12-mutation testing in the CFTR gene: a general model for complex mutation analysis. Hum Mol Genet. 1993 Feb;2(2):153–158. doi: 10.1093/hmg/2.2.153. [DOI] [PubMed] [Google Scholar]
  10. Strong T. V., Smit L. S., Turpin S. V., Cole J. L., Hon C. T., Markiewicz D., Petty T. L., Craig M. W., Rosenow E. C., 3rd, Tsui L. C. Cystic fibrosis gene mutation in two sisters with mild disease and normal sweat electrolyte levels. N Engl J Med. 1991 Dec 5;325(23):1630–1634. doi: 10.1056/NEJM199112053252307. [DOI] [PubMed] [Google Scholar]
  11. Welsh M. J., Smith A. E. Molecular mechanisms of CFTR chloride channel dysfunction in cystic fibrosis. Cell. 1993 Jul 2;73(7):1251–1254. doi: 10.1016/0092-8674(93)90353-r. [DOI] [PubMed] [Google Scholar]

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