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Metalloproteinase-Mediated Shedding of Heparin-Binding Egf-Like Growth Factor and Its Pathophysiological Roles

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Heparin-binding EGF-like growth factor (HB-EGF) exists as a membrane-anchored form (proHBEGF) and as its soluble cleaved product (sHB-EGF). The conversion (ectodomain shedding) of proHB-EGF to sHB-EGF is tightly regulated by specific metalloproteinases. Ectodomain shedding plays a central role in GPCR-mediated EGFR transactivation. Antagonizing metalloproteinases can inhibit EGFR transactivation and might be of therapeutic value, for example in cardiac hypertrophy, skin remodeling and tumor growth.

Keywords: adam12; cardiac hypertrophy; ectodomain shedding; egfr transactivation; gpcr; hb-egf; metalloproteinase; wound healing

Document Type: Review Article


Affiliations: Division of Biochemistry and Molecular Genetics, Department of Molecular and Cellular Biology, Ehime University School of Medicine Shigenobu, Onsen-gun, Ehime, 791-0295, Japan.

Publication date: October 1, 2004

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.

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