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Journal Article

Expression of Type XXIII Collagen mRNA and Protein

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons50578

Stricker,  Sigmar
Research Group Development & Disease (Head: Stefan Mundlos), Max Planck Institute for Molecular Genetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons50437

Mundlos,  Stefan
Research Group Development & Disease (Head: Stefan Mundlos), Max Planck Institute for Molecular Genetics, Max Planck Society;

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Citation

Koch, M., Veit, G., Stricker, S., Bhatt, P., Kutsch, S., Zhou, P., et al. (2006). Expression of Type XXIII Collagen mRNA and Protein. Journal of Biological Chemistry, 281(30), 21546-21557. doi:10.1074/jbc.M604131200.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-83E3-6
Abstract
Collagen XXIII is a member of the transmembranous subfamily of collagens containing a cytoplasmic domain, a membrane-spanning hydrophobic domain, and three extracellular triple helical collagenous domains interspersed with non-collagenous domains. We cloned mouse, chicken, and human{alpha}1(XXIII) collagen cDNAs and showed that this non-abundant collagen has a limited tissue distribution in non-tumor tissues. Lung, cornea, brain, skin, tendon, and kidney are the major sites of expression. In contrast, five transformed cell lines were tested for collagen XXIII expression, and all expressed the mRNA. In vivo the {alpha}1(XXIII) mRNA is found in mature and developing organs, the latter demonstrated using stages of embryonic chick cornea and mouse embryos. Polyclonal antibodies were generated in guinea pig and rabbit and showed that collagen XXIII has a transmembranous form and a shed form. Comparison of collagen XXIII with its closest relatives in the transmembranous subfamily of collagens, types XIII and XXV, which have the same number of triple helical and non-collagenous regions, showed that there is a discontinuity in the alignment of domains but that striking similarities remain despite this.