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Two birds, one stone: hesperetin alleviates chemotherapy-induced diarrhea and potentiates tumor inhibition.


ABSTRACT: Chemotherapy-induced diarrhea (CID), with clinical high incidence, adversely affects the efficacy of cancer treatment and patients' quality of life. Our study demonstrates that the citrus flavonoid hesperetin (Hst) has a superior potential as a new agent to prevent and alleviate CID. In the animal model for irinotecan (CPT-11) induced CID, Hst could selectively inhibit intestinal carboxylesterase (CES2) and thus reduce the local conversion of CPT-11 to cytotoxic SN-38 which causes intestinal toxicity. Oral administration of Hst manifested an excellent anti-diarrhea efficacy, prohibiting 80% of severe and 100% of mild diarrhea in the CPT-11 administered tumor-bearing mice. In addition, a significant attenuation of intestinal inflammation contributed to the anti-diarrhea effect of Hst. Moreover, Hst was found to work synergistically with CPT-11 in tumor inhibition by suppressing the tumor's STAT3 activity and recruiting tumoricidal macrophages into the tumor microenvironment. The anti-intestinal inflammation and anti-STAT3 properties of Hst would contribute its broad benefits to the management of diarrhea caused by other chemo or targeted agents, and more importantly, enhance and reinforce the anti-tumor effects of these agents, to improve patient outcomes.

SUBMITTER: Yu Y 

PROVIDER: S-EPMC6021345 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Two birds, one stone: hesperetin alleviates chemotherapy-induced diarrhea and potentiates tumor inhibition.

Yu Yaping Y   Kong Ren R   Cao Huojun H   Yin Zheng Z   Liu Jiyong J   Nan Xiang X   Phan Alexandria T AT   Ding Tian T   Zhao Hong H   Wong Stephen T C STC  

Oncotarget 20180223 46


Chemotherapy-induced diarrhea (CID), with clinical high incidence, adversely affects the efficacy of cancer treatment and patients' quality of life. Our study demonstrates that the citrus flavonoid hesperetin (Hst) has a superior potential as a new agent to prevent and alleviate CID. In the animal model for irinotecan (CPT-11) induced CID, Hst could selectively inhibit intestinal carboxylesterase (CES2) and thus reduce the local conversion of CPT-11 to cytotoxic SN-38 which causes intestinal tox  ...[more]

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