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Biol Pharm Bull. 2017;40(12):2134-2139. doi: 10.1248/bpb.b17-00479.

Active Ingredients of Hange-shashin-to, Baicalelin and 6-Gingerol, Inhibit 5-Fluorouracil-Induced Upregulation of CXCL1 in the Colon to Attenuate Diarrhea Development.

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Department of Analytical Pathophysiology, Division of Pharmacy Professional Development and Research, Hoshi University.
Division of Cancer Pathophysiology, National Cancer Center Research Institute.
Department of Pharmacology, Hoshi University.
Division of Supportive Cancer Research, Exploratory Oncology Research & Clinical Trial Center, National Cancer Center.
Innovation Center for Supportive, Palliative and Psychosocial Care, National Cancer Center Hospital.


5-Fluorouracil (5-FU) is widely used as an anti cancer drug and is known to cause severe diarrhea. Recently we suggested that levels of chemokine (C-X-C motif) ligand 1 (CXCL1) and neutrophil recruitment in the colonic mucosa were drastically increased by the 5-FU administration in mice. Hange-shashin-to (HST) is prescribed in Japan for treat gastritis, stomatitis, and inflammatory diarrhea. We therefore examined the effects of HST and its active ingredients on 5-FU-induced CXCL1 upregulation in cultured colon tissue, and also examined the effects of HST on 5-FU-induced diarrhea development in the mouse. The distal colon isolated from the mouse was incubated with 5-FU and HST. Mice were given 5-FU (50 mg/kg, intraperitoneally (i.p.)) daily for four days. HST (300 mg/kg, per os (p.o.)) was administered 30 min before mice received 5-FU. mRNA levels of CXCL1 in the colon were examined using quantitative RT-PCR. 5-FU enhanced CXCL1 mRNA in the colon but the effect by 5-FU was markedly suppressed by application of HST and its active ingredients, baicalein and 6-gingerol. Nuclear factor kappa B (NF-κB) was activated by 5-FU treatment in cultured colon tissue, which was also suppressed by HST and the combination of baicalein and 6-gingerol. Furthermore, HST reduced 5-FU-induced diarrhea development. Under such experimental condition, CXCL1 gene, protein levels of neutrophil elastase and myeloperoxidase upregulation induced by 5-FU in the colon was attenuated by HST. These findings suggest that HST, especially baicalein and 6-gingerol, prevent the development of neutrophil recruitment and diarrhea by the inhibition of NF-κB activity.


5-fluorouracil; 6-gingerol; baicalein; chemokine (C-X-C motif) ligand 1; diarrhea; hange-shashin-to

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