1. The immunoregulatory effect of co-3 polyunsaturated fatty acids on lymphocyte in cGVH mice
Jing-Wen ZENG ; Ao-Lu LIU ; Shuai WANG ; Chao-Feng XING ; Zong-Meng ZHANG ; Min-Yi TANG ; Yue-Rong PENG ; Xin-Yun B1 ; Fang-Hong LI ; Zi-Jian ZHAO
Chinese Pharmacological Bulletin 2022;38(1):60-66
Aim To investigate the effect of dietary intake of o)-3 poly unsaturated fatty acids ( u>-3 PUFAs) on the immune function of chronic graft versus host disease (cGVH) lupus model mice.Methods A single intraperitoneal injection of bml2 mice lymphocytes was used to establish a cGVH mouse model.On the day of modeling, 90% cd-3 PUFAs and 97% EPA were given by gavage for 14 days.The immune indexes of mice were evaluated by flow cytometry, and the serum total J J J ∗ IgG levels were measured by ELISA.Results Compared with control group, cGVH group significantly down-regulated Treg subsets, and up-regulated the Tfh , GC B and plasma subsets in the lupus mice.Comparer] with model control group, u>-3 PUFAs could significantly elevate Treg subsets, and decrease TFH, (X] B, and plasma subsets; serum total IgG levels in the 97% EPA group were significantly reduced.Conclusion In the cGVH lupus mouse model, co-3 PUFAs can suppress some immune functions by increasing Treg cells, reducing TFH, GC B, plasma cells and inhibiting the secretion of IgG.Such immunomodulatory effect provides new sights into the development of a potentially novel treatment modality for cGVH.
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