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J Histochem Cytochem. 1996 Apr;44(4):303-12.

Distribution of the large aggregating proteoglycan versican in adult human tissues.

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Institute of Clinical Pathology, Department of Pathology, University of Z├╝rich, Switzerland.


We studied the distribution of the large hyaluronan-binding proteoglycan versican (also known as PG-M) in human adult tissues using affinity-purified polyclonal antibodies that recognize the core protein of the prominent versican splice variants VO and V1. Versican was present in the loose connective tissues of various organs and was often associated with the elastic fiber network. Furthermore, it was localized in most smooth muscle tissues and in fibrous and elastic cartilage. Versican staining was also noted in the central and peripheral nervous system, in the basal layer of the epidermis, and on the luminal surface of some glandular epithelia. In blood vessels, versican was present in all three wall layers of veins and elastic arteries. In muscular arteries the immunoreactivity was normally restricted to the tunica adventitia. However, it appeared in the media and the split elastica interna of atherosclerotically transformed vessel walls. Our survey of the distribution of versican in normal human tissues now forms the basis for extended studies of potentially aberrant versican expression during pathogenic processes.

[Indexed for MEDLINE]

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