BACKGROUND: Baicalin, as an important traditional Chinese medicine extract, has been extensively studied. Baicalin has been shown to promote the proliferation of human periodontal ligamentfibroblasts(HPLFs) and differentiation into osteocytes, but the underlying molecular mechanism remains unclear. OBJECTIVE: To study the effect of baicalin on the proliferation of HPLFs and the underlying molecular mechanism. METHODS: Morphology of HPLFs was observed by primary cell culture and light microscopy. The growth-...