Abstract:
:The secretion of matrix metalloproteinase (MMP-9) is stimulated by the glucocorticoid-induced tumor necrosis factor receptor (GITR), a new tumor necrosis factor receptor (TNFR) family, in murine macrophages via an activation of protein kinase C (PKC)delta and phospholipase D (PLD). Secretions of MMP-9 are stimulated by the phosphatidic acid (PA), a product of PLD activity and an inhibition of PA production by a 1-propanol inhibited secretion of MMP-9 by soluble GITR (sGITR). MMP-9 is not secreted by diacylglycerol (DAG) and an inhibitor of PA phosphatase has no effect on the secretion induced by sGITR, indicating that PA is responsible for MMP-9 secretion in murine macrophages. Our data indicates that sGITR-induced activation of PKCdelta and PLD increases MMP-9 secretions in macrophages.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
Lee HS,Park SY,Lee HW,Choi HSdoi
10.1002/jcb.20099subject
Has Abstractpub_date
2004-06-01 00:00:00pages
481-90issue
3eissn
0730-2312issn
1097-4644journal_volume
92pub_type
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