Large-scale label-free proteomics analysis of occupational poisoned patients of 1-bromopropane, workers exposed to 1-bromopropane and healthy individuals.
2018
1-Bromopropane (1-BP) is an increasingly used chemical solvent for cleaning metals and gradually replacing spraying adhesives. Workers exposed to 1-BP (WBP) showed nervous system dysfunction and other symptoms. This study focused on the proteomic change between healthy individuals (HIs), WBP and poisoned patients with 1-BP (PBP). Total proteins from serum samples were isolated, and high-abundance proteins were filtered out. Large-scale label-free proteomics platform was utilized for protein identification and quantitative comparison, followed by biological function analysis by bioinformatics tools. Compared to HI, 99 proteins were up-regulated and 55 proteins were down-regulated in WBP; 59 proteins were up-regulated and 94 proteins were down-regulated in PBP. With WBP as control, 63 proteins were up-regulated and 127 proteins were down-regulated in PBP. These differently expressed proteins were mainly involved in the immune response, neuron system regulation, blood coagulation, wound healing, endopeptidas...
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