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Acute phase response in lame cattle with interdigital dermatitis.
MedLine Citation:
PMID:  22805961     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
This study was undertaken to evaluate acute phase response via assessing the concentration of serum sialic acids (total, lipid-bound and protein-bound), inflammatory mediators (IFN-γ and TNF-α) and acute phase proteins [haptoglobin (Hp) and serum amyloid A (SAA)] in lame cattle with interdigital dermatitis. Fifteen hoof scrapings from lame cows were collected from eight commercial dairy farms. As a consequence of the difficulty in culturing and isolation, a PCR technique was used to detect the organism. None of the colonies on enriched blood agar was identified as Fusobacterium necrophorum. Four (26.6%) out of the 15 hoof scrapings examined tested positive for the presence of the lktA gene (402 bp) of F. necrophorum. It seems that culture cannot be considered as the gold standard method for F. necrophorum isolation. Molecular detection is suggested as an alternative method. In the blood serum of different groups of animals (control, lameness and F. necrophorum-positive lameness) Hp, SAA, total sialic acid, lipid-bound sialic acid, and protein-bound sialic acid, and IFN-γ and TNF-α were measured using validated standard procedures. All parameters were significantly higher in the lameness group and the F. necrophorum-positive lameness group compared with the healthy group (P < 0.01 in all cases). Mean SAA concentrations in the lameness group and the F. necrophorum-positive lameness group was relatively 4.6 and 8.0 times higher than the control group. Corresponding measures for Hp indicate a 3.3 times increase in the lameness group compared to the control. In the lameness group, significant associations were observed for Hp with PBSA, SAA with TSA, TSA with PBSA, TSA with LBSA, PBSA with LBSA, and SAA with IFN-γ.
Authors:
S Nazifi; Z Esmailnezhad; M Haghkhah; S Ghadirian; A Mirzaei
Publication Detail:
Type:  Journal Article     Date:  2011-12-30
Journal Detail:
Title:  World journal of microbiology & biotechnology     Volume:  28     ISSN:  1573-0972     ISO Abbreviation:  World J. Microbiol. Biotechnol.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-07-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9012472     Medline TA:  World J Microbiol Biotechnol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1791-6     Citation Subset:  IM    
Affiliation:
Department of Clinical Studies, School of Veterinary Medicine, Shiraz University, Shiraz, Iran, nazifi@shirazu.ac.ir.
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