Tumor necrosis factor-like cytotoxicity and anorexia in Ascaris suum infected pigs

Tumor Necrosis Factor-Like Cytotoxicity (TNF-LC) was examined in sera from 12 pigs experimentally infected with Ascaris suum. The difference of TNF-LC levels between eight infected and four uninfected controls was not significant. When an endotoxin challenge was intravenously administered 1 month af...

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Veröffentlicht in:Veterinary parasitology 1990-05, Vol.36 (1), p.37-44
Hauptverfasser: Yang, S., Bottoms, G.D., Gaafar, S.M.
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container_title Veterinary parasitology
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creator Yang, S.
Bottoms, G.D.
Gaafar, S.M.
description Tumor Necrosis Factor-Like Cytotoxicity (TNF-LC) was examined in sera from 12 pigs experimentally infected with Ascaris suum. The difference of TNF-LC levels between eight infected and four uninfected controls was not significant. When an endotoxin challenge was intravenously administered 1 month after the first dose of A. suum, the levels of TNF-LC in the sera of infected pigs were one-third that of the controls 125 min post-challenge (PC). In a more detailed study on four infected and two uninfected control pigs, TNF-LC was monitored every 10–15 min until 125 min after endotoxin challenge. The TNF-LC levels in these pigs increased at 40 min PC, reached maximum in another 10–25 min and then decreased. This pattern was seen in all except one infected pig. The infected pigs showed milder shock symptoms and their serum TNF-LC levels returned to pre-challenge levels 30 min earlier than controls.
doi_str_mv 10.1016/0304-4017(90)90092-P
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Animals
Anorexia - etiology
Anorexia - veterinary
Ascariasis - blood
Ascariasis - complications
Ascariasis - veterinary
Cell Adhesion - drug effects
Dactinomycin - pharmacology
Feeding and Eating Disorders - veterinary
Female
Male
Swine
Swine Diseases - blood
Swine Diseases - etiology
Tumor Necrosis Factor-alpha - analysis
title Tumor necrosis factor-like cytotoxicity and anorexia in Ascaris suum infected pigs
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