Linkage of posterior polymorphous corneal dystrophy to 20q11

Elise Héon, William Mathers, L. M Alward Alward, Robert W. Weisenthal, Sara L F Sunden, Jill A. Fishbaugh, Chris M. Taylor, Jay H. Krachmer, Val C. Sheffield, Edwin M. Stone

Research output: Contribution to journalArticle

126 Citations (Scopus)

Abstract

Posterior polymorphous dystrophy (PPMD) is an autosomal dominant disorder of the cornea that is clinically recognized by the presence of vesicles on the endothelial surface of the cornea. The corneal endothelium is normally a single layer of cells that lose their mitotic potential after development is complete. In PPMD, the endothelium is often multi-layered and has several other characteristics of an epithelium including the presence of desmosomes, tonofilaments, and microvilli. These abnormal cells retain their ability to divide and extend onto the trabecular meshwork to cause glaucoma in up to 40% of cases. A large family with 21 members affected with PPMD was genotyped with short tandem repeat polymorphisms distributed across the autosomal genome. Linkage was established with markers on the long arm of chromosome 20. The highest observed LOD score was 5.54 (θ = 0) with marker D20S45. Analysis of recombination events in four affected individuals revealed that the disease gene lies within a 30cM interval between markers D20S98 and D20S108. / 1995 Oxford University Press.

Original languageEnglish (US)
Pages (from-to)485-488
Number of pages4
JournalHuman Molecular Genetics
Volume4
Issue number3
DOIs
StatePublished - Mar 1995
Externally publishedYes

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Linkage
Cornea
Endothelium
Genes
Chromosomes, Human, Pair 20
Trabecular Meshwork
Corneal Endothelium
Desmosomes
Intermediate Filaments
Chromosomes
Microvilli
Polymorphism
Glaucoma
Microsatellite Repeats
Genetic Recombination
Epithelium
Cell
Vesicles
Genome
Recombination

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Public Health, Environmental and Occupational Health
  • Molecular Biology
  • Genetics(clinical)
  • Genetics

Cite this

Héon, E., Mathers, W., Alward, L. M. A., Weisenthal, R. W., Sunden, S. L. F., Fishbaugh, J. A., ... Stone, E. M. (1995). Linkage of posterior polymorphous corneal dystrophy to 20q11. Human Molecular Genetics, 4(3), 485-488. https://doi.org/10.1093/hmg/4.3.485

Linkage of posterior polymorphous corneal dystrophy to 20q11. / Héon, Elise; Mathers, William; Alward, L. M Alward; Weisenthal, Robert W.; Sunden, Sara L F; Fishbaugh, Jill A.; Taylor, Chris M.; Krachmer, Jay H.; Sheffield, Val C.; Stone, Edwin M.

In: Human Molecular Genetics, Vol. 4, No. 3, 03.1995, p. 485-488.

Research output: Contribution to journalArticle

Héon, E, Mathers, W, Alward, LMA, Weisenthal, RW, Sunden, SLF, Fishbaugh, JA, Taylor, CM, Krachmer, JH, Sheffield, VC & Stone, EM 1995, 'Linkage of posterior polymorphous corneal dystrophy to 20q11', Human Molecular Genetics, vol. 4, no. 3, pp. 485-488. https://doi.org/10.1093/hmg/4.3.485
Héon E, Mathers W, Alward LMA, Weisenthal RW, Sunden SLF, Fishbaugh JA et al. Linkage of posterior polymorphous corneal dystrophy to 20q11. Human Molecular Genetics. 1995 Mar;4(3):485-488. https://doi.org/10.1093/hmg/4.3.485
Héon, Elise ; Mathers, William ; Alward, L. M Alward ; Weisenthal, Robert W. ; Sunden, Sara L F ; Fishbaugh, Jill A. ; Taylor, Chris M. ; Krachmer, Jay H. ; Sheffield, Val C. ; Stone, Edwin M. / Linkage of posterior polymorphous corneal dystrophy to 20q11. In: Human Molecular Genetics. 1995 ; Vol. 4, No. 3. pp. 485-488.
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