Document Detail

Synthesis of hapten and production of a monoclonal antibody against a derivative of L-hydroxyproline, a special amino acid in hydrolyzed animal protein.
MedLine Citation:
PMID:  23030435     Owner:  NLM     Status:  In-Data-Review    
China's government has prohibited the addition of simply hydrolyzed animal protein from solid leather waste into milk. The objective of this study was to produce a monoclonal antibody against L-hydroxyproline, a special amino acid in hydrolyzed animal protein. L-hydroxyproline was derivatized with N-acetylsulfanilyl chloride and 5-chlorovaleric acid to synthesize the haptens HP1 and HP2. Then, two immunogens from the two haptens were prepared to produce the antibodies. Results showed that only HP1 was able to stimulate the animal immune system and generate the specific antibody to L-hydroxyproline (as the formation of HP1). The obtained monoclonal antibody from HP1 and the heterologous coating hapten HP2 were incorporated into a competitive indirect enzyme linked immunosorbent assay (ELISA) to determine the antibody's specificity and sensitivity. The IC(50) and the limit of detection for HP1 were 0.16 μg/mL and 0.05 μg/mL respectively. The antibody showed low crossreactivity to parental L-hydroxyproline and showed negligible crossreactivity to D-hydroxyproline and other amino acids. The monoclonal antibody was therefore suitable for the development of an immunoassay to monitor the simply hydrolyzed animal protein from solid leather waste in foodstuffs with L-hydroxyproline as the target analyte.
Li L Wang; Ju X Liu; Jing Liu; Jian P Wang
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes     Volume:  48     ISSN:  1532-4109     ISO Abbreviation:  J Environ Sci Health B     Publication Date:  2013  
Date Detail:
Created Date:  2012-10-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7607167     Medline TA:  J Environ Sci Health B     Country:  England    
Other Details:
Languages:  eng     Pagination:  9-15     Citation Subset:  IM    
a College of Veterinary Medicine, Agricultural University of Hebei , Baoding Hebei , China.
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