| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
β3 integrins are members of the integrin family consisted of αIIbβ3 and αVβ3. αIIbβ3, a major integrin expressed on platelets, is critical for platelet aggregation mediated by bindings of fibrinogen and von Willebrand factor. αVβ3 (vitronectin receptor), an integrin widely expressed on several cell types including blood vessel tissue constitutive cells and tumor cells, play important roles in diverse vascular disease states, tumor proliferation and metastasis.
Integrin-linked kinase (ILK) is an important signaling regulator that assembles into the heteroternary complex with adaptor proteins PINCH and parvin (termed the IPP complex). We recently reported that ILK is important for integrin activation in a Chinese hamster ovary (CHO) cell system. In this study, we further investigated the underlying mechanisms for ILK-dependent integrin activation, and we found that the IPP complex rather than ILK alone plays an important role and supports αIIbβ3 activation.
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