NFKB1 and rheumatoid arthritis: These results are consistent with previously reported studies that showed that the antiarthritic effects of various plant extracts, including Morus mesozygia leaf, Moringa leaf, difengpienol, plumbagin, Chinese herbal Huayu Qiangshen-Tongbi and Kashayams, are associated with their ability to reduce NFκB levels while increasing IκB expression in an RA rat model (Saleem et al., 2020; Aswathy et al., 2021; Ariyo et al., 2022; Chen et al., 2022; Martin et al., 2022; Shu et al., 2022).