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[Urinary S-phenylmercapturic acid variation in benzene exposed]
Yi-min Liu1, Hao Chen, Xu-dong Li
1Guangzhou Occupational Diseases Prevention Treatment Centre, Guangzhou 510620, China.
Urinary S-phenylmercapturic acid (S-PMA) levels increase with benzene exposure in both rats and workers. This finding supports S-PMA as a sensitive biomarker for occupational benzene exposure.
Area of Science:
- Environmental Health
- Toxicology
- Biomarker Discovery
Context:
- Benzene is a known human carcinogen with occupational exposure risks.
- Assessing benzene exposure requires reliable biomarkers.
- Urinary S-phenylmercapturic acid (S-PMA) is a metabolite of benzene.
Purpose:
- To evaluate urinary S-PMA as a biomarker for benzene exposure.
- To observe S-PMA variations in dynamic benzene-exposed rat models.
- To study S-PMA levels in benzene-exposed industrial workers.
Summary:
- Rat models exposed to varying benzene concentrations showed increased urinary S-PMA.
- Benzene-exposed workers exhibited significantly higher urinary S-PMA levels compared to controls.
- Urinary S-PMA levels correlated with environmental benzene concentrations.
Impact:
- Urinary S-PMA demonstrates potential as a sensitive indicator of occupational benzene exposure.
- This research aids in developing better monitoring strategies for benzene-related health risks.
- Findings contribute to occupational health and safety guidelines for benzene-handling industries.
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