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Proteomic identification of CD44 interacting proteins
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Ludwig Institute for Cancer Research.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Ludwig Institute for Cancer Research.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Ludwig Institute for Cancer Research.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Ludwig Institute for Cancer Research.
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2010 (English)In: IUBMB Life - A Journal of the International Union of Biochemistry and Molecular Biology, ISSN 1521-6543, E-ISSN 1521-6551, Vol. 62, no 11, 833-840 p.Article in journal (Refereed) Published
Abstract [en]

CD44 is a cell surface receptor for hyaluronan which affects cell adhesion and migration, and has been implicated in chronic inflammation and in tumorigenesis. To elucidate the molecular mechanisms underlying its multiple functions, we used a peptide-based pull-down assay to identify proteins that interact with CD44. Nonphosphorylated or phosphorylated peptides from the intracellular CD44 C-terminus, were immobilized and used as baits. Interacting proteins were subjected to SDS-gel electrophoresis and were identified by MALDI-TOF mass spectrometry. Several interaction partners were identified, including proteins involved in cytoskeletal reorganization, transcription, endocytosis, and intracellular transport. An endogenous complex between CD44 and one of the interacting proteins, the actin binding protein IQGAP1, was demonstrated in several normal and transformed cell types.

Place, publisher, year, edition, pages
2010. Vol. 62, no 11, 833-840 p.
Keyword [en]
Mass spectrometry, CD44, hyaluronan, cell adhesion, cell migration, apoptosis
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-136187DOI: 10.1002/iub.392ISI: 000285307200007PubMedID: 21117172OAI: oai:DiVA.org:uu-136187DiVA: diva2:376407
Available from: 2010-12-10 Created: 2010-12-10 Last updated: 2017-12-11Bibliographically approved

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