ASMCs can adhere to FN, LN or Col I effectively, but only FN and Col I increase the ASMCs proliferation mediated through RAS signal transduction.

• ASMCs对FN、LN和ColI均有良好的粘附性 ,但只有FN和ColI能明显提高ASMCs的增殖活性 ,其作用是通过RAS信号转导途径而实现的。