Evidence of Helicobacter spp. in domestic cats from central Rio Grande do Sul State - pre-study
2024
S.T.L. Pinto Filho | V.R. Galindo | L.F.S. Herculano | J.F. Cagnelutti | C. Mariga | R.A. Fighera | R.D. Mazaro | A.I.S. Dullius
ABSTRACT Non-Helicobacter pylori Helicobacters(NHPH) account for causing moderate and severe gastritis in humans. Moreover, they have already been documented in the oral cavity of feline animals. The current study aims to investigate Helicobacter spp. incidence in necropsied domestic cats from central Rio Grande do Sul. Stomach, liver, and bile samples derived from 30 cats’ cadavers were subjected to rapid urease test (RUT), histopathological analysis, PCR, and nucleotide sequencing to investigate the genetic material presence and to identify the main phylogenetic group. Based on RUT results, 64.2% and 53.5% of patients were positive for gastric body and pyloric antrum, respectively. Ten out of these 15 patients were male (70%) and the positive result observed for the pyloric antrum was associated with males. Mild histopathological changes were observed in most gastric and liver samples. Gastric samples subjected to PCR presented positive results in 60.7%, whereas liver samples accounted for positive results in 17.8% and bile samples, in 3.5% of cases. There was high nucleotide identity with NHPH species. This study has found evidence that NHPH can be found in the gastric and hepatic regions, as in the bile of domestic cats, besides emphasizing the zoonotic potential of this disease
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