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Role of Melatonin in Regulating Matrix Metalloproteinase-9 Via Tissue Inhibitors of Metalloproteinase-1 During Protection against endometriosis

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Title Role of Melatonin in Regulating Matrix Metalloproteinase-9
Via Tissue Inhibitors of Metalloproteinase-1 During Protection
against endometriosis
 
Creator Paul, Sumit
Sharma, Anamika Vivek
Das Mahapatra, Pramathes
Bhattacharya, Partha
Reiter, Russel J
Swarnakar, Snehasikta
 
Subject Cell Biology & Physiology
 
Description Endometriosis is a gynecological disease of women and plausibly Nregulated by matrix metalloproteinases (MMPs). However, mechanisms of alterations in MMPs during endometriosis remain unclear. Human endometriotic tissues possessing varying degrees of severity were examined
for expression of MMPs and tissue inhibitors of metalloproteinase (TIMP)-1. In addition, endometriosis was generated in mice and endometriotic tissues
were tested for MMP-9 activity. Results show significant upregulation of secreted and synthesized proMMP-9 activity with duration and severity of endometriosis. Along with upregulation of activity, the expression of
proMMP-9 was found increased while TIMP-1 expression followed an inverse trend. The effect of melatonin, a major secretory product of the pineal gland, on endometriosis was examined in preventive and therapeutic models in mice. The results show that melatonin arrested lipid peroxidation and protein oxidation and downregulated proMMP-9
activity and expression in a time and dose-dependent manner while protecting and regressing peritoneal endometriosis. Moreover, the attenuated activity and expression of proMMP-9 were associated with subsequent elevation in the expression of TIMP-1. Our study reveals for the
first time the role of melatonin in arresting peritoneal endometriosis in mice and a novel marker, expression ratio of proMMP-9 versus TIMP-1, was identified for assessing severity and progression of endometriosis.
 
Date 2008
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://www.eprints.iicb.res.in/215/1/JOURNAL_OF_PINEAL_RESEARCH%2C44(4)%2C439%2D449%2C2008[88].pdf
Paul, Sumit and Sharma, Anamika Vivek and Das Mahapatra, Pramathes and Bhattacharya, Partha and Reiter, Russel J and Swarnakar, Snehasikta (2008) Role of Melatonin in Regulating Matrix Metalloproteinase-9 Via Tissue Inhibitors of Metalloproteinase-1 During Protection against endometriosis. Journal of Pineal Research, 44 (4). pp. 439-449.
 
Relation http://dx.doi.org/10.1111/j.1600-079X.2007.00547.x
http://www.eprints.iicb.res.in/215/