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[Functional changes in human peripheral neutrophils in workers with different exposure to noxious agents]
E M Garzillo1, D Feola, P Pedata
1Dipartimento di Medicina Sperimentale - Sezione di Igiene, Medicina del Lavoro e Medicina Legale- Area di Medicina del Lavoro - Seconda Università degli Studi di Napoli, Italy. elpidio.garzillo@libero.it
Giornale Italiano Di Medicina Del Lavoro Ed Ergonomia
|February 15, 2013
Summary
Occupational exposure to noxious agents may reduce peripheral neutrophils (PMNs) reactivity. This reduced PMN activity, measured by chemiluminescence, could serve as a marker for chronic exposure to workplace toxins.
Area of Science:
- Biochemistry
- Immunology
- Occupational Health
Context:
- Free radicals and reactive oxygen species (ROS) mediate biological system interactions.
- Peripheral neutrophils (PMNs) are significant sources of free radicals and ROS.
- Occupational exposure to multiple agents is a concern in various work environments.
Purpose:
- To investigate the impact of chronic occupational exposure to noxious agents on PMN activity.
- To evaluate the potential of PMN chemiluminescence as a biomarker for chronic exposure.
Summary:
- Chemiluminescence assays were used to assess PMN activity in two groups of office workers with differing exposure levels.
- Stimulated PMNs from chronically exposed subjects exhibited reduced responses compared to those from less exposed individuals.
- Both intracellular and extracellular chemiluminescence were measured to gather information on radical species.
Impact:
- Reduced PMN responsiveness to stimulation may indicate chronic exposure to workplace toxins.
- PMN chemiluminescence assays show promise as a tool for monitoring long-term occupational exposure.
- Findings contribute to understanding the biological effects of environmental and occupational exposures.
