Research progress on biological monitoring of dust-exposed populations
Occupational pneumoconiosis(referred to as"pneumoconiosis")caused by exposure to occupational dust is the most serious occupational disease in China.Biological monitoring on occupational populations exposed to dust is important for the prevention,diagnosis,and treatment of pneumoconiosis.Biological monitoring is a systematic engineering process that includes a series of processes such as biological samples selection,selection of biological monitoring indicators,and selection of detection methods.The biological samples for biological monitoring mainly include urine,blood,exhaled breath gas,bronchoalveolar lavage fluid,saliva,sputum,and more.The indicators of biological monitoring involve multiple pathways such as oxidative stress,inflammatory response,collagen synthesis/degradation,phagocytic cell apoptosis,and pathways related to the formation of pneumoconiosis.Suitable detection methods need to be determined upon different biological monitoring indicators,including enzyme-linked immunosorbent assay,high-performance liquid chromatography,high-performance liquid chromatography-tandem mass spectrometry,inductively coupled plasma mass spectrometry,etc.Currently,there is a lack of true clinically valuable biological monitoring indicators that can indicate the correlation between dust exposure and the hazards of occupational populations,and there are no systematic and complete biological monitoring methods reported.It is necessary to further standardize the biological monitoring process and search for specific biological monitoring indicators.
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