Cigarette smoking and urinary organic sulfides

Area of Science:

• Environmental Health
• Toxicology
• Biomonitoring

Background:

• Cigarette smoking is a widespread habit with potential health implications.
• Biomonitoring of occupational exposure to substances like carbon disulfide relies on accurate analyte measurements.
• Understanding confounding factors is essential for reliable biomonitoring data.

Purpose of the Study:

• To investigate the acute and chronic effects of cigarette smoking on urinary organic sulfide levels.
• To assess the influence of smoking habits on thio-thiazolidine-4-carboxylic acid (TTCA) and total organic sulfides.
• To determine if cigarette smoking confounds the biomonitoring of carbon disulfide.

Main Methods:

• Urine samples were collected from 18 healthy male volunteers (9 smokers, 9 controls).
• High-performance liquid chromatography (HPLC) was used to quantify TTCA.
• The iodine azide test (IAT) determined total urinary organic sulfides.
• Samples were collected pre-smoking and 90 minutes post-smoking.

Main Results:

• A single cigarette significantly increased urinary organic sulfides in both smokers and controls.
• Smoking habit (daily vs. occasional) did not significantly alter baseline or post-smoking sulfide levels.
• No cumulative effect of smoking on urinary organic sulfides was observed; the effect was temporary.

Conclusions:

• Acute cigarette smoking transiently elevates urinary organic sulfides.
• Habitual smoking does not lead to a cumulative increase in urinary organic sulfides.
• Cigarette smoking represents a potential confounding factor in the biomonitoring of carbon disulfide exposure.