Novel specific human and mouse stromelysin-1 (MMP-3) and stromelysin-2 (MMP-10) antibodies for biochemical and immunohistochemical analyses

Ursula Mirastschijski, Nilima Dinesh, Sudarson Baskaran, Dirk Wedekind, Jelena Gavrilovic, Megan Y Murray, Damon Bevan, Sørge Kelm

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11 Citations (Scopus)
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Matrix metalloproteinases (MMP) are a family of more than 25 zinc-dependent enzymes that are centrally involved in cellular migration, tissue remodelling, cancer invasion and metastasis. Besides degrading extracellular matrix proteins, MMPs are crucial for growth factor and cytokine release and activation. At the same time, they can inactivate inflammatory mediators and enzymes themselves through protein degradation. Subclasses of MMPs include collagenases, gelatinases, stromelysins, membrane-bound MMPs and others. With regard to the stromelysin subfamily, 3 members exist, e.g. stromelysin-1 (MMP-3), stromelysin-2 (MMP-10) and stromelysin-3 (MMP-11). MMP-3 and MMP-10 share extensive similarities at the amino acid level that made it difficult to develop specific antibodies distinguishing between MMP-3 and MMP-10. Scrutinizing published data on and performing different analyses with detection of both stromelysins with commercially available or lab-made antibodies showed ambiguous results with regard to specificity of antibodies used to date. We developed new specific antibodies against the most divergent parts of the active forms of both proteins. We assessed the specificity of our novel specific anti-human and anti-mouse MMP-3 and MMP-10 antibodies in cell lysates and different human and murine skin tissues. Tests analysing specificity of the novel antibodies included Western immunoblotting, immunofluorescence and immunohistochemistry on paraffin sections. Analyses demonstrated specific detection of respective protein for human or mouse samples except for the anti-human MMP-3 antibody. The aim of this summary was to call attention the MMP research community to distinguish clearly between both enzymes. Our new specific anti-mouse MMP-3 and both MMP-10 antibodies allow us to address this detection problem and to enable comparative studies between both stromelysins with regard to their respective location and function in the tissue. This article is protected by copyright. All rights reserved.

Original languageEnglish
Pages (from-to)309-323
JournalWound Repair and Regeneration
Issue number4
Early online date14 Feb 2019
Publication statusPublished - Jul 2019

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