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The human type I collagen mutation database

R Dalgleish1

  • 1Department of Genetics, University of Leicester, University Road, Leicester LE1 7RH, UK. ray@le.ac.uk

Nucleic Acids Research
|January 1, 1997
PubMed
Summary
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Type I collagen, crucial for connective tissues, is formed by specific protein chains. Mutations in the genes encoding these chains cause serious genetic disorders like osteogenesis imperfecta and Ehlers-Danlos syndrome.

Area of Science:

  • Biochemistry
  • Genetics
  • Molecular Biology

Background:

  • Type I collagen is the most abundant collagen, essential for connective tissues.
  • It forms a heterotrimer of two alpha1(I) chains and one alpha2(I) chain.
  • These chains are encoded by the COL1A1 and COL1A2 gene loci.

Purpose of the Study:

  • To detail the genetic basis of Type I collagen.
  • To identify the connective tissue disorders associated with mutations in COL1A1 and COL1A2.
  • To provide a web-accessible database of collagen mutation data.

Main Methods:

  • Analysis of mutation data from COL1A1 and COL1A2 gene loci.
  • Correlation of specific mutations with resulting clinical phenotypes.
  • Compilation and online dissemination of mutation information.

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Main Results:

  • Mutations in COL1A1 and COL1A2 are primarily linked to osteogenesis imperfecta and Ehlers-Danlos syndrome types VIIA and VIIB.
  • These mutations also account for instances of osteoporosis and Marfan syndrome.
  • A comprehensive online database of collagen mutation data has been established.

Conclusions:

  • Genetic defects in Type I collagen significantly impact connective tissue integrity.
  • Mutations in COL1A1 and COL1A2 are causative for a spectrum of inherited connective tissue disorders.
  • The accessible database serves as a valuable resource for researchers and clinicians studying collagenopathies.