Chapter title |
Multiplex Cathepsin Zymography to Detect Amounts of Active Cathepsins K, L, S, and V
|
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Chapter number | 23 |
Book title |
Zymography
|
Published in |
Methods in molecular biology, June 2017
|
DOI | 10.1007/978-1-4939-7111-4_23 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7109-1, 978-1-4939-7111-4
|
Authors |
Manu O. Platt |
Editors |
Jeff Wilkesman, Liliana Kurz |
Abstract |
Cysteine cathepsins are powerful proteases that can degrade other proteins, among which are the extracellular matrix proteins collagen and elastin. Multiplex cathepsin zymography is an assay that can quantify the amount of active cathepsins in a cell or tissue preparation. This method works for measuring the amounts of active cathepsins K, L, S, and V in a cell or tissue preparation without requiring the use of antibodies for specific identification which tremendously reduces cost. This chapter will demonstrate the utility and interpretation of this method with mammalian cells and tissue to quantify amounts of active cathepsins K, L, S, and V without complicating signals of the procathepsin. Multiplex cathepsin zymography has many advantages: (1) it separates cathepsins K, L, S, and V by electrophoretic migration distance, (2) allows visual confirmation of cathepsin identity, (3) does not detect procathepsins, and (4) can be quantified with densitometry. |
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