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  Detection and first characterization of an uncommon haptoglobin in porcine saliva of pigs with rectal prolapse by using boronic acid sample enrichment

Gutiérrez, A. M., Miller, I., Kolarich, D., Hummel, K., Nöbauer, K., & Razzazi-Fazeli, E. (2017). Detection and first characterization of an uncommon haptoglobin in porcine saliva of pigs with rectal prolapse by using boronic acid sample enrichment. Animal, 11(5), 845-853. doi:10.1017/S1751731116002159.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-080B-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-4921-F
Genre: Journal Article

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2366086.pdf (Publisher version), 426KB
 
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Gutiérrez, A. M., Author
Miller, I., Author
Kolarich, D.1, Author              
Hummel, K., Author
Nöbauer, K., Author
Razzazi-Fazeli, E., Author
Affiliations:
1Daniel Kolarich, Biomolekulare Systeme, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863301              

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 Abstract: Salivary glycoprotein profiles, obtained after boronic acid enrichment, were studied for the first time in pigs in order to search for specific overall alterations related to acute inflammatory condition. Five healthy pigs and five pigs suffering from rectal prolapse were used, and the levels of acute phase proteins were measured to determine the degree of inflammation of the animals. The enriched glycoprotein profiles, achieved by two-dimensional gel electrophoresis (2DE) were statistically evaluated and spots that appeared differentially regulated between states were subjected to MS analysis for protein identification. Spots from three unique proteins were identified: carbonic anhydrase VI (CA VI), α-1-antichymotrypsin and haptoglobin (Hp). CA VI appeared as two adjacent horizontal spot trains in the glycoprotein profile of healthy animals in its regular isoelectric points (pI). One spot of α-1-antichymotrypsin was found in saliva from pigs with rectal prolapse in an unusual basic pI, and was considered as a breakdown product. Hp was identified as several spot trains in saliva from pigs with rectal prolapse in an unusual alkaline pI and was consequently further investigated. SDS-PAGE and 2DE of paired serum and saliva samples combined with Western blot analysis showed that the unusual Hp position observed in saliva samples was absent in serum. Furthermore, N-glycans from serum and saliva Hp glycopatterns were evaluated from SDS-PAGE Hp bands and showed that the serum N-glycan distribution in Hp β-chain was comparable in quantity and quality in both groups of animals. In saliva, no Hp β-chain derived N-glycans could unambiguously be identified from this sample set, thus needing further detailed investigations in the future.

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 Dates: 2016-11-102017-05
 Publication Status: Published in print
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 Identifiers: DOI: 10.1017/S1751731116002159
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Title: Animal
Source Genre: Journal
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Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: 11 (5) Sequence Number: - Start / End Page: 845 - 853 Identifier: ISSN: 1751-7311