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논문 기본 정보

자료유형
학술저널
저자정보
Koung Hoon Kook (Ajou University School of Medicine) Hyun Kyu Yoo (Ajou University School of Medicine) Hyunju Park (Ewha Womans University School of Medicine) Hye Suk Hwang (Ajou University School of Medicine) Hee Ja Kim (Ewha Womans University School of Medicine) Youn-Hee Choi (Ewha Womans University School of Medicine)
저널정보
대한생화학·분자생물학회 BMB Reports BMB Reports 제54권 제2호
발행연도
2021.1
수록면
136 - 141 (6page)

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Thyroid eye disease (TED) is a complex autoimmune disease with a spectrum of signs. we previously reported that trisialoganglioside (GT)1b is significantly overexpressed in the orbital tissue of TED patients, and that exogenous GT1b strongly induced HA synthesis in orbital fibroblasts. However, the signaling pathway in GT1b-induced hyaluronic acid synthase (HAS) expression in orbital fibroblasts from TED patients have rarely been investigated. Here, we demonstrated that GT1b induced phosphorylation of Akt/mTOR in a dose-dependent manner in orbital fibroblasts from TED patients. Both co-treatment with a specific inhibitor for PI3K and siRNA knockdown of TLR2 attenuated GT1b-induced Akt phosphorylation. GT1b significantly induced HAS2 expression at both the transcriptional and translational level, which was suppressed by specific inhibitors of PI3K or Akt/mTOR, and by siRNA knockdown of TLR2. In conclusion, GT1b induced HAS2 in orbital fibroblasts from TED patients via activation of the PI3Krelated signaling pathway, dependent on TLR2.

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