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13–15 Calycosin is a fat-soluble component in the dried root of Astragalus membranaceus, which are organic compounds widely found in nature. Calycosin exerts various anti-tumor activities in vitro and in vivo, 16–18 but its mechanism of action in human GC cells is not clear. In this study, we evaluated the effects of calycosin on apoptosis, the cell cycle, and migration of GC cells under ROS regulation. In addition, we also determined the roles of MAPK/STAT3/NF-κB pathways in these processes. Materials and Methods Cell Lines and Cell Culture Twelve types of GC cells (AGS, KATO-3, MKN-28...

P 0.05, vs PEEK). Discussion Because of outstanding biocompatibility and mechanical strengths, PEEK has been widely used as biomedical implants for replacing bone tissue, which is also a promising implantable material for dental applications. 27 However, because of bioinert and hydrophobicity, PEEK does not induce adhesion, proliferation, differentiation, mineralization of osteoblasts, or promote bone regeneration both in vitro and in vivo. 28 Bioactive-coated PEEK implants have become a promising bone replacement material, which combines the advantage of both bioactive coating and PEEK. 29 I...

Study shows several peridomestic mammal species are potential spreaders of SARS-CoV-2 In a recent study released on the bioRxiv* preprint server, researchers from the US and Australia show that several common peridomestic species (including deer mice, striped skunks and bushy-tailed woodrats) are amenable to infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The study reports how these mammals are able to shed the virus in respiratory secretions – lending evidence to the fact that human-wildlife interactions may result in continued viral transmission. Coronavi...