Abstract 625P
Background
Tumor markers have been used for cancer screening and monitoring, yet their potential connection with air pollution remains largely unexplored. We aimed to examine the potential association between various air pollutants – including carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), PM2.5, and PM10 – and the levels of tumor markers (AFP, CEA, CA19-9, CA125, and PSA) within the general population.
Methods
Our study included 10,067 men and 9,598 women in its final analysis. We assessed each individual's annual average exposure to five distinct air pollutants: PM2.5, PM10, NO2, SO2, and CO. Additionally, we measured serum concentrations of AFP, CEA, CA19-9, CA125, and PSA.
Results
After adjusting for potential confounding factors, we discovered noteworthy associations. Both men and women demonstrated a negative correlation between annual average exposure to SO2 and PM10 and AFP concentration (all P < 0.05). In men, after multivariate adjustment, exposure to CO, NO2, SO2, and PM10 showed negative correlations with CEA concentration (all P < 0.05). Furthermore, in men, exposure to CO, NO2, and PM10 exhibited positive associations with PSA concentration after multivariate adjustment (all P < 0.05). Among women, a similar multivariate analysis indicated that SO2 exposure was negatively correlated with CEA concentration (all P < 0.05).
Conclusions
Our study presents the first evidence of a potential link between air pollution exposure and tumor markers within the general population. To establish the validity of these associations, further investigations employing prospective analyses are warranted.
Clinical trial identification
Editorial acknowledgement
Legal entity responsible for the study
The author.
Funding
Has not received any funding.
Disclosure
All authors have declared no conflicts of interest.
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