igf-1如何通过erk/mapk信号通路来保护肾管状上皮细胞? triplex assay format the indirect competitive format for igf-1 gper mediates the angiocrine actions induced by igf1 through the atrial mrna in rats with atrial fibrillation the role of igf1 igf-1 信号在 pex 诱导的 hsc 活化和肝纤维化中至关重要