Helicobacter infection in piglets: Immunohistochemical analysis in mucosal samples collected using gastroscopy
Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, ISSN: 1678-4162, Vol: 66, Issue: 6, Page: 1681-1686
2014
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Article Description
Gastroesophageal ulcer (GEU) diagnosis is fundamental for the treatment and recovery of the affected animal stock. GEU is a condition affecting animals, resulting in depletion of animal stock and subsequent economic losses. Helicobacter spp. have been associated with GEU. Modern endoscopes are important for detecting the stage of the breeding process at which the ulceration occurs. However, few studies regarding early detection of GEU have been conducted. Therefore, we aimed to identify whether GEU lesions were related to Helicobacter spp. infection, using gastroscopy as a diagnostic technique for macroscopic and histopathological analyses. Twenty piglets (both male and female) with a mean age of 65 days were included (weight, 22-26 kg). We used a Karl Storz Gastrovideoscope (model 1380NKS). Samples from nonglandular and glandular (cardia, fundus, and pylorus) regions were collected for the ultra-rapid urease test and for histopathological and immunohistochemical (IHC) evaluations. Eleven animals showed macroscopic lesions in the nonglandular region during endoscopy, and 15 animals showed parakeratosis on histological analysis. Lesions in at least 1 glandular region were observed in 18 animals. The lesions were bigger in the cardiac region, followed by those in the antrum and the fundus. Regarding the ultra-rapid urease test, 7 animals were negative in all 4 regions and 13 were positive in at least 1 region. On IHC, 10 animals were negative in all 4 regions and 10 were positive in at least 1 region. However, pre-ulcerative findings were not correlated with Helicobacter spp. infection in the present study. The positive IHC findings for Helicobacter spp in regions without ulcerative lesions suggest its saprophytic and opportunistic nature.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84922062820&origin=inward; http://dx.doi.org/10.1590/1678-7251; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000601681&lng=pt&tlng=pt; http://www.scielo.br/pdf/abmvz/v66n6/0102-0935-abmvz-66-06-01681.pdf; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000601681&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0102-09352014000601681&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000601681; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0102-09352014000601681; https://dx.doi.org/10.1590/1678-7251; https://www.scielo.br/j/abmvz/a/sdvMPTswCzxKHQVGM6VMgWQ/?lang=pt
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