Use of Gel Zymography to Examine Matrix Metalloproteinase (Gelatinase) Expression in Brain Tissue or in Primary Glial Cultures

Harald Frankowski, Yu Huan Gu, Ji Hoe Heo, Richard Milner, Gregory J. Del Zoppo

Research output: Chapter in Book/Report/Conference proceedingChapter

66 Citations (Scopus)

Abstract

Glia synthesize, package, and secrete several species of matrix proteases, including the gelatinases (pro-)MMP-2 and (pro-)MMP-9. In appropriate settings (e.g., experimental ischemia), these MMPs can be assayed from cerebral tissues or from astrocytes and microglia in culture by enzymatic substrate-dependent assays and by gelatin-based zymography. We describe the methodologies for the sensitive quantitative development of the inactive and active forms of both MMP-2 and MMP-9 from tissues and cells, by means of lysis of the collagen substrate in collagen-impregnated gel electropheresis by the zymogen and active gelatinases. These methodologies are a refinement of those used commonly, with instructions to increase sensitivity. Serious and often overlooked issues regarding sources of sample contamination and elements confounding the MMP band development and their interpretation are discussed.

Original languageEnglish
Title of host publicationAstrocytes
Subtitle of host publicationMethods and Protocols
EditorsRichard Milner
Pages221-233
Number of pages13
DOIs
Publication statusPublished - 2012 Jan 23

Publication series

NameMethods in Molecular Biology
Volume814
ISSN (Print)1064-3745

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics

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    Frankowski, H., Gu, Y. H., Heo, J. H., Milner, R., & Del Zoppo, G. J. (2012). Use of Gel Zymography to Examine Matrix Metalloproteinase (Gelatinase) Expression in Brain Tissue or in Primary Glial Cultures. In R. Milner (Ed.), Astrocytes: Methods and Protocols (pp. 221-233). (Methods in Molecular Biology; Vol. 814). https://doi.org/10.1007/978-1-61779-452-0_15