Abstract Title:

Coenzyme Q10 Inhibits Th17 and STAT3 Signaling Pathways to Ameliorate Colitis in Mice.

Abstract Source:

J Med Food. 2017 Sep ;20(9):821-829. Epub 2017 Aug 17. PMID: 28816577

Abstract Author(s):

Seon-Yeong Lee, Seung Hoon Lee, Eun-Ji Yang, Jae-Kyung Kim, Eun-Kyung Kim, KyungAh Jung, Hongsoon Jung, Kyungjin Lee, Han Hee Lee, Bo-In Lee, Sung-Hwan Park, Dong Yun Shin, Mi-La Cho

Article Affiliation:

Seon-Yeong Lee


Coenzyme Q10 (CoQ10) is a powerful antioxidant substance synthesized in the body. The current study aimed to determine whether CoQ10 suppresses inflammation and inhibits p-STAT3 expression in an experimental colitis mouse model. The mice were orally fed with CoQ10 once a day for 13 days. Histological analysis of the colons was performed by immunohistochemistry. Expression of IL-17, FOXP3, p53, AMPK, and mTOR and activation of p-STAT3 and p-STAT5 in lymph node and spleen tissues were detected by confocal microscopy of stained tissue sections. The relative mRNA expression was measured with real-time PCR, and protein levels were examined by western blot. CoQ10 reduced the disease activity index score and the colon histological score. It also reduced inflammatory mediators in the colon and increased the colon length. The expression of IL-17 and p-STAT3 was decreased with CoQ10 treatment. In contrast, CoQ10 treatment increased the expression of p-AMPK and FOXP3. Expression of anti-inflammatory cytokines was shown to increase in colitis mice treated with CoQ10. These results suggested that CoQ10 may reduce the severity of colitis and suppress inflammation through the inhibition of p-STAT3 and IL-17. These results support the use of CoQ10 as a potential targeted therapy for the treatment of colitis.

Study Type : Animal Study

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