2010
DOI: 10.1093/rheumatology/keq305
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Collagen-induced expression of collagenase-3 by primary chondrocytes is mediated by integrin  1 and discoidin domain receptor 2: a protein kinase C-dependent pathway

Abstract: Maintaining the native pericellular matrix of chondrocytes prevents collagen-induced up-regulation of MMP-13. Both ITGα1 and DDR2 modulate MMP-13 expression after direct contact between chondrocytes and collagen. PKC, FAK, MEK and JNK are involved in collagen-stimulated expression of MMP-13.

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Cited by 29 publications
(22 citation statements)
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“…9 -11 We found the following: i) increased expression of discoidin domain receptor 2 (DDR2), a cell membrane receptor tyrosine kinase for native collagen type II, was associated with the increased expression of MMP-13 in human OA cartilage and in the articular cartilage of the mouse models of OA; ii) reduced expression of Ddr2 attenuated OA progression in mouse models of OA; and iii) activation of DDR2 through interaction of chondrocytes with native collagen type II induced the expression of MMP-13 in chondrocytes in vitro. Based on the aforementioned results and data obtained from other investigators, 12,13 we proposed a molecular chain of events responsible for articular cartilage degeneration. Our hypothesis was as follows.…”
mentioning
confidence: 85%
“…9 -11 We found the following: i) increased expression of discoidin domain receptor 2 (DDR2), a cell membrane receptor tyrosine kinase for native collagen type II, was associated with the increased expression of MMP-13 in human OA cartilage and in the articular cartilage of the mouse models of OA; ii) reduced expression of Ddr2 attenuated OA progression in mouse models of OA; and iii) activation of DDR2 through interaction of chondrocytes with native collagen type II induced the expression of MMP-13 in chondrocytes in vitro. Based on the aforementioned results and data obtained from other investigators, 12,13 we proposed a molecular chain of events responsible for articular cartilage degeneration. Our hypothesis was as follows.…”
mentioning
confidence: 85%
“…While most investigations of alterations in cartilage properties in OA focus on the macroscale properties of the ECM, characterization of the morphological, biochemical, and biomechanical changes in the PCM can improve our understanding of the specific contributions of mechanical loading to cartilage degeneration in OA. In this regard, alterations in PCM appear to modify the response of chondrocytes to soluble mediators and matrix proteins (Peters et al, 2011; Vonk et al, 2011; Xu et al, 2011)…”
Section: Introductionmentioning
confidence: 99%
“…5 A common outcome after DDR activation is the increase in metalloproteinase (MMP) secretion and collagen rearrangement. [6][7][8][9] As a consequence, DDR1 and DDR2 have both been associated with metastasis during tumor progression. 6 Similarly, DDR1 overexpression has been shown to enhance lymphocyte migration.…”
Section: Introductionmentioning
confidence: 99%