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Pharmacology. 2012;89(5-6):287-94. doi: 10.1159/000337736.

Effects of histamine H4 receptor ligands in a mouse model of gastric ulceration.

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Department of Human Anatomy, Pharmacology and Forensic Medicine, University of Parma, Parma, Italy.



In the present study we examined whether histamine H(4) receptors (H(4)Rs) have a role in gastric ulcerogenesis using a mouse model of gastric damage.


The H(4)R antagonist JNJ7777120 and the H(4)R agonists VUF8430 and VUF10460 were investigated in fasted CD-1 mice against the ulcerogenic effect induced by co-administration of indomethacin(IND, 30 mg/kg s.c.) and bethanechol (BET, 5 mg/kg i.p.). Both macroscopic and histologic lesions were examined. Strain-related differences were investigated by testing JNJ7777120 also in NMRI, BALB/c and C57BL/6J mice.


Neither JNJ7777120 nor the H(4)R agonists displayed effects in the normal stomach at any dose tested (10 and 30 mg/kg s.c.). As expected, IND+BET provoked several lesions in the fundic mucosa, which were significantly reduced by JNJ7777120 (10 and 30 mg/kg s.c.). The gastroprotective effect of JNJ7777120 (10 and 30 mg/kg s.c.) was observed in CD-1, NMRI and BALB/c, but not in C57BL/6J, mice. In CD-1 mice, the H(4)R agonists VUF8430 and VUF10460 (both at 10 and 30 mg/kg s.c.) did not modify the damage induced by IND+BET, however VUF8430 (10 mg/kg s.c.) prevented the gastroprotection induced by JNJ7777120 (10 mg/kg s.c.).


Data obtained with selective ligands suggest that the H(4)R may have a role in mouse gastric ulcerogenesis. If confirmed in humans, these data would emphasize the potential advantage of H(4)R blockers as gastrosparing anti-inflammatory drugs. The lack of effects of JNJ7777120 in C57BL/6J mice has to be carefully considered in the pharmacological characterization of H(4)R functions and/or new selective ligands.

[Indexed for MEDLINE]

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