Journal article

TGF-beta latency-associated peptides (LAPs) in human dentin matrix and pulp

AJ Sloan, R Moseley, K Dobie, RJ Waddington, AJ Smith

Connective Tissue Research | TAYLOR & FRANCIS LTD | Published : 2002

Abstract

Transforming growth factor (TGF)-beta s in dentin matrix provide a pool of bioactive molecules, but association with latency-associated peptides (LAPs) may influence their activity. We investigated TGF-beta 1, -beta 2, and -beta 3 LAP expression in sound and carious human teeth. Teeth were fixed and processed immediately following extraction prior to staining with rabbit polyclonal antibodies to the TGF-beta LAPs. A soluble dentin matrix fraction was prepared from dissected human dentin and sequential extraction of pulpal ECM was performed prior to purification. Fractions were Western blotted and probed with the LAP antibodies. All three LAPs were present in odontoblasts, cells of the pulp, ..

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University of Melbourne Researchers