Cited by 163Cell Adhesion Molecules ResearchProtease and Inhibitor MechanismsBone and Dental Protein Studies

The TspanC8 Subgroup of Tetraspanins Interacts with A Disintegrin and Metalloprotease 10 (ADAM10) and Regulates Its Maturation and Cell Surface Expression

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Haining, Elizabeth J., Yang, Jing, Bailey, Rebecca L., Khan, Kabir, Collier, Richard, Tsai, Schickwann, Watson, Steve P., Frampton, Jon +2 more·2012·Journal of Biological Chemistry

Abstract

A disintegrin and metalloprotease 10 (ADAM10) is a ubiquitous transmembrane metalloprotease that cleaves the extracellular regions from over 40 different transmembrane target proteins, including Notch and amyloid precursor protein. ADAM10 is essential for embryonic development and is also important in inflammation, cancer, and Alzheimer disease. However, ADAM10 regulation remains poorly understood. ADAM10 is compartmentalized into membrane microdomains formed by tetraspanins, which are a superfamily of 33 transmembrane proteins in humans that regulate clustering and trafficking of certain other transmembrane "partner" proteins. This is achieved by specific tetraspanin-partner interactions, but it is not clear which tetraspanins specifically interact with ADAM10. The aims of this study were to identify which tetraspanins interact with ADAM10 and how they regulate this metalloprotease. Co-immunoprecipitation identified specific ADAM10 interactions with Tspan5, Tspan10, Tspan14, Tspan15, Tspan17, and Tspan33/Penumbra. These are members of the largely unstudied TspanC8 subgroup of tetraspanins, all six of which promoted ADAM10 maturation. Different cell types express distinct repertoires of TspanC8 tetraspanins. Human umbilical vein endothelial cells express relatively high levels of Tspan14, the knockdown of which reduced ADAM10 surface expression and activity. Mouse erythrocytes express predominantly Tspan33, and ADAM10 expression was substantially reduced in the absence of this tetraspanin. In contrast, ADAM10 expression was normal on Tspan33-deficient mouse platelets in which Tspan14 is the major TspanC8 tetraspanin. These results define TspanC8 tetraspanins as essential regulators of ADAM10 maturation and trafficking to the cell surface. This finding has therapeutic implications because focusing on specific TspanC8-ADAM10 complexes may allow cell type- and/or substrate-specific ADAM10 targeting.

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Authors
Haining, E. J., Yang, J., Bailey, R. L., Khan, K., Collier, R., Tsai, S., Watson, S. P., Frampton, J., Garcia, P., & Tomlinson, M. G.
Affiliations
  • University of Birmingham (GB)
  • University of Utah (US)
Corresponding author
Tomlinson, Michael G.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2012-11
Volume
287
Issue
47
Pages
39753-39765
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2124744205
Cited by
163
References
46
Citations by year
2026: 12 · 2025: 7 · 2024: 6 · 2023: 11 · 2022: 10 · 2021: 9 · 2020: 17 · 2019: 15 · 2018: 16 · 2017: 15 · 2016: 18 · 2015: 14 · 2014: 7 · 2013: 6
FWCI
6.38
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • University of Birmingham Research Portal (University of Birmingham) (submittedVersion, other-oa)
Funders
  • British Heart Foundation (FS/08/062/25797)
  • Directorate for Biological Sciences
  • Biotechnology and Biological Sciences Research Council
Topics
  • Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Protease and Inhibitor Mechanisms
  • Health Sciences › Medicine › Rheumatology › Bone and Dental Protein Studies
Keywords
ADAM10, tetraspanins, protein maturation, cell surface trafficking, lipid rafts, endothelial cells, erythrocytes, platelets, APP processing
MeSH terms
ADAM10 Protein, Alzheimer Disease, Animals, Blood Platelets, Cell Line, Erythrocytes, Humans, Inflammation, Membrane Proteins, Neoplasms, Protein Binding, Gene Expression Regulation, Enzymologic, Mice, Knockout, Protein Transport, Membrane Microdomains, Mice, ADAM Proteins, Amyloid Precursor Protein Secretases, Tetraspanins, Human Umbilical Vein Endothelial Cells

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