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2016 ; 8
(10
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
A Comprehensive View of the Structural and Functional Alterations of
Extracellular Matrix by Snake Venom Metalloproteinases (SVMPs): Novel
Perspectives on the Pathophysiology of Envenoming
#MMPMID27782073
Gutiérrez JM
; Escalante T
; Rucavado A
; Herrera C
; Fox JW
Toxins (Basel)
2016[Oct]; 8
(10
): ä PMID27782073
show ga
Snake venom metalloproteinases (SVMPs) affect the extracellular matrix (ECM) in
multiple and complex ways. Previously, the combination of various methodological
platforms, including electron microscopy, histochemistry, immunohistochemistry,
and Western blot, has allowed a partial understanding of such complex pathology.
In recent years, the proteomics analysis of exudates collected in the vicinity of
tissues affected by SVMPs has provided novel and exciting information on
SVMP-induced ECM alterations. The presence of fragments of an array of ECM
proteins, including those of the basement membrane, has revealed a complex
pathological scenario caused by the direct action of SVMPs. In addition, the
time-course analysis of these changes has underscored that degradation of some
fibrillar collagens is likely to depend on the action of endogenous proteinases,
such as matrix metalloproteinases (MMPs), synthesized as a consequence of the
inflammatory process. The action of SVMPs on the ECM also results in the release
of ECM-derived biologically-active peptides that exert diverse actions in the
tissue, some of which might be associated with reparative events or with further
tissue damage. The study of the effects of SVMP on the ECM is an open field of
research which may bring a renewed understanding of snake venom-induced
pathology.