Title : Insignificant β-lactamase activity of human serum albumin: no panic to nonmicrobial-based drug resistance.

Pub. Date : 2013 Oct

PMID : 23758063






5 Functional Relationships(s)
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1 We studied the beta-lactamase activity of HSA on clinically significant antibiotics of cephalosporin group in the presence of environmental pollutants by determining specific activity, enzyme kinetics and minimum inhibitory concentrations (MIC). Cephalosporins albumin Homo sapiens
2 The specific activity of HSA on various cephalosporins was found to be 1181-34 550 times lower than that observed for recombinant CTX-M-15 (used as positive control). Cephalosporins albumin Homo sapiens
3 The MIC data also showed that HSA is incapable of hydrolysing cephalosporins. Cephalosporins albumin Homo sapiens
4 The study concludes that HSA is inefficient to cleave antibiotics of cephalosporin group and hence does not contribute to nonmicrobial-based antibiotic resistance. Cephalosporins albumin Homo sapiens
5 Our results showed that HSA is inefficient in cleaving nitrocefin as compared to a true beta-lactamase (CTX-M-15) and is practically inactive on cephalosporin antibiotics even in the presence pollutants. Cephalosporins albumin Homo sapiens