Arthritis Res Ther 2018 DOI: 10.1186/s13075-018-1552-9 View full text
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Kohjin Suzuki, Kohsuke Yoshida, Takeshi Ueha, Kenta Kaneshiro, Ayako Nakai, Naonori Hashimoto, Koto Uchida, Teppei Hashimoto, Yoshiko Kawasaki, Nao Shibanuma, Natsuko Nakagawa, Yoshitada Sakai, Akira Hashiramoto

Abstract: BackgroundEffects of methotrexate (MTX) on the proliferation of rheumatoid arthritis (RA) synovial fibroblasts are incompletely understood. We explored actions of MTX in view of circadian transcriptions of synovial fibroblasts.MethodsUnder treatment with MTX, expression of core circadian clock genes, circadian transcriptional factor proline and acidic amino acid-rich basic leucine zipper (PAR bZIP), and proapoptotic molecule Bcl-2 interacting killer (Bik) was examined by real-time polymerase chain reaction. Pr…

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