NewslettersEndothelial Cell News Promotion of Angiogenesis In Vitro by Astragalus Polysaccharide via Activation of TLR4 Signaling Pathway By Bob - July 25, 2022 0 Researchers investigated whether Astragalus polysaccharide promoted angiogenesis or vascularization via the TLR4 signaling pathway in a co-culture of outgrowth endothelial cells and primary human osteoblasts. [Journal of Food Biochemistry] Abstract