Seema Rani Pegu , Joyshikh Sonowal , Swaraj Rajkhowa , Pranab Jyoti Das , Gyanendra Singh Sengar , Rajib Deb , Manjisa Choudhury , Naba Jyoti Deka , Souvik Paul , Juwar Doley , Dilip Kumar Sarma , Samir Das , N.H. Mohan , Rajendran Thomas , Vivek Kumar Gupta
{"title":"Incidences of Helicobacter infection in pigs and tracing occupational hazard in pig farmers","authors":"Seema Rani Pegu , Joyshikh Sonowal , Swaraj Rajkhowa , Pranab Jyoti Das , Gyanendra Singh Sengar , Rajib Deb , Manjisa Choudhury , Naba Jyoti Deka , Souvik Paul , Juwar Doley , Dilip Kumar Sarma , Samir Das , N.H. Mohan , Rajendran Thomas , Vivek Kumar Gupta","doi":"10.1016/j.cimid.2024.102128","DOIUrl":null,"url":null,"abstract":"<div><p><span><em>Helicobacter</em><em> species</em></span> (spp<em>.</em><span>) is a gram-negative spiral-shaped motile bacterium that causes gastritis in pigs and also colonizes in the human stomach. The present study assessed the prevalence of </span><em>Helicobacter</em><span><span> spp. in pig gastric mucosa and the stool of pig farmers in Assam, India. A total of 403 stomach samples from pig slaughter points, 74 </span>necropsy<span> samples of pigs from pig farms, and 97 stool samples from pig farmers were collected. Among the pig stomach samples, 43 (20.09%) of those with gastritis showed the presence of Gram-negative, spiral-shaped organisms, while only 3.04% of stomach samples without lesions had these organisms. Scanning Electron Microscopy (SEM) of urease-positive stomach samples revealed tightly coiled </span></span><em>Helicobacter</em><span> bacteria in the mucus lining. Histopathological examination showed chronic gastritis with hemorrhagic necrosis, leucocytic infiltration<span>, and lymphoid aggregates. PCR confirmed the presence of </span></span><em>Helicobacter suis</em> in 19.63% of pig stomach samples and 2.08% of pig farmer stool samples. Additionally, 3.12% of the stool samples from pig farmers were positive for <span><em>Helicobacter </em><em>pylori</em></span><span>. Phylogenetic analysis revealed distinct clusters of </span><em>Helicobacter suis</em> with other <em>Helicobacter</em> spp. These findings highlight the prevalence of <em>Helicobacter</em> in both pig gastric mucosa and pig farmer stool. The findings highlight the need for improved sanitation and hygiene practices among pig farmers to minimize the risk of <em>Helicobacter</em> infection in humans.</p></div>","PeriodicalId":50999,"journal":{"name":"Comparative Immunology Microbiology and Infectious Diseases","volume":"106 ","pages":"Article 102128"},"PeriodicalIF":2.0000,"publicationDate":"2024-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Comparative Immunology Microbiology and Infectious Diseases","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0147957124000055","RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Helicobacter species (spp.) is a gram-negative spiral-shaped motile bacterium that causes gastritis in pigs and also colonizes in the human stomach. The present study assessed the prevalence of Helicobacter spp. in pig gastric mucosa and the stool of pig farmers in Assam, India. A total of 403 stomach samples from pig slaughter points, 74 necropsy samples of pigs from pig farms, and 97 stool samples from pig farmers were collected. Among the pig stomach samples, 43 (20.09%) of those with gastritis showed the presence of Gram-negative, spiral-shaped organisms, while only 3.04% of stomach samples without lesions had these organisms. Scanning Electron Microscopy (SEM) of urease-positive stomach samples revealed tightly coiled Helicobacter bacteria in the mucus lining. Histopathological examination showed chronic gastritis with hemorrhagic necrosis, leucocytic infiltration, and lymphoid aggregates. PCR confirmed the presence of Helicobacter suis in 19.63% of pig stomach samples and 2.08% of pig farmer stool samples. Additionally, 3.12% of the stool samples from pig farmers were positive for Helicobacter pylori. Phylogenetic analysis revealed distinct clusters of Helicobacter suis with other Helicobacter spp. These findings highlight the prevalence of Helicobacter in both pig gastric mucosa and pig farmer stool. The findings highlight the need for improved sanitation and hygiene practices among pig farmers to minimize the risk of Helicobacter infection in humans.
期刊介绍:
Comparative Immunology, Microbiology & Infectious Diseases aims to respond to the concept of "One Medicine" and to provide a venue for scientific exchange. Based on the concept of "Comparative Medicine" interdisciplinary cooperation between specialists in human and animal medicine is of mutual interest and benefit. Therefore, there is need to combine the respective interest of physicians, veterinarians and other health professionals for comparative studies relevant to either human or animal medicine .
The journal is open to subjects of common interest related to the immunology, immunopathology, microbiology, parasitology and epidemiology of human and animal infectious diseases, especially zoonotic infections, and animal models of human infectious diseases. The role of environmental factors in disease emergence is emphasized. CIMID is mainly focusing on applied veterinary and human medicine rather than on fundamental experimental research.