Benchmark Dose for Cadmium-Induced Renal Effects in Humans
Author Information
Author(s): Suwazono Yasushi, Salomon Vahter, Marie Filipsson, Agneta Falk Skerfving, Jonas Lidfeldt, Agneta Åkesson
Primary Institution: Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
Hypothesis
The study aims to explore the use of a hybrid approach to calculate benchmark doses for renal effects of cadmium in a population with low environmental exposure.
Conclusion
The obtained benchmark doses of urinary cadmium were lower than the critical concentrations previously reported.
Supporting Evidence
- The benchmark dose method is increasingly used in health risk assessment of environmental contaminants.
- The study found significant associations between urinary cadmium and markers of kidney damage.
- The hybrid approach allows for more accurate estimation of critical concentrations for adverse health effects.
Takeaway
This study looked at how much cadmium in urine can harm kidneys, finding that lower levels than previously thought can be harmful.
Methodology
Urine and blood samples were collected from 820 Swedish women aged 53–64, measuring urinary cadmium and tubular effect markers, and estimating glomerular filtration rate.
Potential Biases
Potential bias from excluding subjects with renal cancer and diabetes.
Limitations
The study population was limited to Swedish women aged 53–64, which may not represent other demographics.
Participant Demographics
820 Swedish women aged 53–64, with 45% being ever-smokers.
Digital Object Identifier (DOI)
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