Title : Periodic mechanical stress stimulates the FAK mitogenic signal in rat chondrocytes through ERK1/2 activity.

Pub. Date : 2013

PMID : 24217647






6 Functional Relationships(s)
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1 Furthermore, pretreatment with the Src-selective inhibitor, PP2, and shRNA targeted to Src or suppression of Rac1 with its selective inhibitor, NSC23766, blocked FAK phosphorylation at Tyr,(576/577) but not Tyr,(397) under periodic mechanical stress. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus
2 Furthermore, pretreatment with the Src-selective inhibitor, PP2, and shRNA targeted to Src or suppression of Rac1 with its selective inhibitor, NSC23766, blocked FAK phosphorylation at Tyr,(576/577) but not Tyr,(397) under periodic mechanical stress. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus
3 Furthermore, pretreatment with the Src-selective inhibitor, PP2, and shRNA targeted to Src or suppression of Rac1 with its selective inhibitor, NSC23766, blocked FAK phosphorylation at Tyr,(576/577) but not Tyr,(397) under periodic mechanical stress. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus
4 Furthermore, pretreatment with the Src-selective inhibitor, PP2, and shRNA targeted to Src or suppression of Rac1 with its selective inhibitor, NSC23766, blocked FAK phosphorylation at Tyr,(576/577) but not Tyr,(397) under periodic mechanical stress. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus
5 CONCLUSION: Our findings collectively suggest that periodic mechanical stress promotes chondrocyte proliferation and matrix synthesis through at least two pathways, integrin beta1-Src-Rac1-FAK(Tyr(576/577))-ERK1/2 and integrin beta1-FAK (Tyr(397))-ERK1/2. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus
6 CONCLUSION: Our findings collectively suggest that periodic mechanical stress promotes chondrocyte proliferation and matrix synthesis through at least two pathways, integrin beta1-Src-Rac1-FAK(Tyr(576/577))-ERK1/2 and integrin beta1-FAK (Tyr(397))-ERK1/2. Tyrosine SRC proto-oncogene, non-receptor tyrosine kinase Rattus norvegicus