Localization of pN-type IIA procollagen on adult bovine vitreous collagen fibrils

Anthony Reardon, Linda Sandell, Carolyn J P Jones, David McLeod, Paul N. Bishop

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Type II procollagen is synthesized in long (type IIA) and short (type IIB) forms because of alternative splicing of mRNA; the long form containing an additional cysteine-rich domain in the amino-propeptide. An antiserum (IIA) that recognizes this domain was used for immunolocalization studies on adult bovine vitreous at light and electron microscopic levels and for Western blot analyses. The immunolocalization studies revealed labelling by the IIA antiserum of the vitreous collagen fibrils. This labelling was removed by prior extraction of the fibrils with 6 M guanidine hydrochloride (GuHCl) and the extract was shown to contain pN-type IIA procollagen. Adult vitreous collagen fibrils are coated with pN-type IIA procollagen, a finding with potential implications for vitreous collagen fibril structure and function. (C) 2000 Elsevier Science B.V./International Society of Matrix Biology.
    Original languageEnglish
    Pages (from-to)169-173
    Number of pages4
    JournalMatrix Biology
    Volume19
    Issue number2
    DOIs
    Publication statusPublished - 1 May 2000

    Keywords

    • Amino-propeptide
    • Collagen
    • Type IIA procollagen
    • Vitreous

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