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Open AccessArticle
Yellow Teas Protect against DSS-Induced Ulcerative Colitis by Inhibiting TLR4/NF-κB/NLRP3 Inflammasome in Mice
by
Dawei Xing
Dawei Xing 1,2,
Tao Zheng
Tao Zheng 1,2,
Xiaoju Chen
Xiaoju Chen 1,* and
Zhongwen Xie
Zhongwen Xie 2,3,*
1
Chaohu Regional Collaborative Technology Service Center for Rural Revitalization, School of Biological and Environmental Engineering, Chaohu University, 1 Bantang Road, Hefei 238024, China
2
State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, China
3
Joint Research Center for Food Nutrition and Health of IHM, Anhui Agricultural University, 130 Changjiang West Road, Hefei 230036, China
*
Authors to whom correspondence should be addressed.
Foods 2024, 13(17), 2843; https://doi.org/10.3390/foods13172843 (registering DOI)
Submission received: 20 July 2024
/
Revised: 28 August 2024
/
Accepted: 6 September 2024
/
Published: 7 September 2024
Abstract
Yellow tea (YT), a slightly fermented tea with a unique yellowing process and mellow taste, is becoming widely popular. Currently, the YT includes bud yellow tea (BYT), small-leaf yellow tea (SYT), and large-leaf yellow tea (LYT) based on maturity of raw materials. Previous studies have shown that YT has outstanding potential in preventing metabolic syndrome. However, the distinct effects and mechanisms of different types of YT on ulcerative colitis (UC) are still unclear. This study investigated the effects and mechanisms of continuous or intermittent intervention of three yellow tea water extracts (YTEs) on dextran sulfate sodium (DSS)-induced ulcerative colitis in CD-1 mice. The results showed that YTE intervention significantly improves the syndrome of DSS-induced UC in mice. Mechanistic studies reveal that YTEs increase the expression levels of tight junction (TJ) proteins and reduce the levels of pro-inflammatory cytokines in the colon by inactivating TLR4/NF-κB/NLRP3. YTE treatment protected intestinal barrier integrity and reduced serum lipopolysaccharide (LPS) levels. Interestingly, our results indicate that large-leaf yellow tea (LYT) has a better alleviating effect than BYT and SYT. YTE intervention before DSS administration has a certain degree of preventive effect on ulcerative colitis, while continuous YTE intervention after DSS induction has a significant reversing effect on the damage caused by DSS. Our results indicated that drinking YT may have preventive and therapeutic effect on UC, especially drinking LYT.
Share and Cite
MDPI and ACS Style
Xing, D.; Zheng, T.; Chen, X.; Xie, Z.
Yellow Teas Protect against DSS-Induced Ulcerative Colitis by Inhibiting TLR4/NF-κB/NLRP3 Inflammasome in Mice. Foods 2024, 13, 2843.
https://doi.org/10.3390/foods13172843
AMA Style
Xing D, Zheng T, Chen X, Xie Z.
Yellow Teas Protect against DSS-Induced Ulcerative Colitis by Inhibiting TLR4/NF-κB/NLRP3 Inflammasome in Mice. Foods. 2024; 13(17):2843.
https://doi.org/10.3390/foods13172843
Chicago/Turabian Style
Xing, Dawei, Tao Zheng, Xiaoju Chen, and Zhongwen Xie.
2024. "Yellow Teas Protect against DSS-Induced Ulcerative Colitis by Inhibiting TLR4/NF-κB/NLRP3 Inflammasome in Mice" Foods 13, no. 17: 2843.
https://doi.org/10.3390/foods13172843
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