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Chinese Journal of Gastroenterology ; (12): 747-750, 2022.
Article in Chinese | WPRIM | ID: wpr-1016060

ABSTRACT

Galectin⁃3 is an endogenous lectin with extensive immunomodulatory effects, and plays an important role in inflammatory response, autoimmunity and tumorigenesis. However, the expression of galectin⁃3 in ulcerative colitis (UC) and its relationship with disease activity of UC are unclear. Aims: To detect the expression of galectin⁃3 in colon tissue and serum in UC patients, and explore the relationship between galectin⁃3 and disease activity. Methods: Thirty⁃ three patients with UC diagnosed and treated from March 2019 to December 2019 at the Second Affiliated Hospital of Zhengzhou University were recruited, and 20 paracancerous normal tissue of colon cancer patients were served as controls. The expression of galectin ⁃ 3 in colon tissue was detected by immunohistochemistry SABC. Serum samples of 24 UC patients and 20 healthy controls were collected. Serum level of galectin⁃3 was detected by ELISA. Results: The positive expression rate of galectin⁃3 in colon tissue in UC patients was significantly lower than that in paracancerous normal tissue, and the difference was statistically significant (P<0.05). The positive expression rate in mild UC patients was higher than that in moderate to severe UC patients, and the difference was statistically significant (P<0.05). The positive expression rate in remission stage was higher than that in active stage, and the difference was statistically significant (P<0.05). Serum galectin⁃3 level in UC patients was higher than that in healthy control group, and the difference was statistically significant (P<0.05). Serum galectin ⁃ 3 level in moderate to severe UC patients was higher than that in mild UC group, and the difference was statistically significant (P<0.05). Serum galectin ⁃ 3 level in active UC patients was higher than that in remission UC patients, and the difference was statistically significant (P<0.05). Conclusions: In UC patients, the expression of galectin⁃3 in colon tissue and serum are dysregulated, and the expression of galectin⁃3 in colon tissue is decreased, especially in moderate to severe UC, while the serum galectin⁃3 level is opposite to the tissue expression.

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