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J Biol Chem. 2007 Apr 27;282(17):12791-5. Epub 2007 Feb 28.

Collagen XXVII is developmentally regulated and forms thin fibrillar structures distinct from those of classical vertebrate fibrillar collagens.

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  • 1Wellcome Trust Centre for Cell-Matrix Research, Faculty of Life Sciences, University of Manchester, Manchester M13 9PT, United Kingdom.


We have generated an antiserum to the variable domain of mouse collagen XXVII, a recently discovered novel member of the fibrillar collagen family. Collagen XXVII protein was first detectable in the mouse at embryonic day 12.5 (E12.5). By E14.5, the protein localized to cartilage, developing dermis, cornea, the inner limiting membrane of the retina, and major arteries of the heart. However, at E18.5, collagen XXVII protein was no longer apparent in most tissues and appeared restricted mainly to cartilage where expression continued into adulthood. Type XXVII collagen immunolocalized to 10-nm-thick nonstriated fibrils that were distinct from fibrils formed by the classical fibrillar collagens. The transient nature of its expression and unusual fibrillar structure suggest that collagen XXVII plays a developmental role distinct from those of the classical fibrillar collagens.

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