Urinary N-acetyl-beta -D-glucosaminidase and its isoenzymes A & B in workers exposed to cadmium at cadmium plating
2007

Effects of Cadmium Exposure on Urinary Enzymes in Workers

Sample size: 100 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kalahasthi Ravi Babu, Rajmohan HR, Rajan BK, Kumar M Karuna

Primary Institution: Regional Occupational Health Centre (Southern), Indian Council of Medical Research, Bangalore Medical College Campus, Bangalore, India

Hypothesis

The study aims to determine the effect of cadmium exposure on urinary N-acetyl-beta-D-glucosaminidase and its isoenzymes in workers involved in cadmium plating.

Conclusion

Increased levels of urinary N-acetyl-beta-D-glucosaminidase in cadmium-exposed workers could serve as biomarkers for renal tubular dysfunction.

Supporting Evidence

  • Urinary N-acetyl-beta-D-glucosaminidase levels were significantly higher in cadmium-exposed workers compared to controls.
  • A positive correlation was found between urinary cadmium levels and urinary N-acetyl-beta-D-glucosaminidase.
  • Multiple regression analysis indicated that urinary cadmium levels greater than 5 μg/g of creatinine significantly influenced urinary total N-acetyl-beta-D-glucosaminidase.

Takeaway

Workers exposed to cadmium have higher levels of a specific enzyme in their urine, which can indicate kidney problems.

Methodology

The study involved 100 male subjects, with 50 exposed to cadmium and 50 as controls, measuring urinary cadmium and enzyme levels using spectrophotometric methods.

Potential Biases

Potential bias due to self-reported lifestyle factors and the exclusion of certain health conditions.

Limitations

The study excluded subjects with diabetes or hypertension, which may limit the generalizability of the findings.

Participant Demographics

100 male subjects, aged approximately 42 years, with 50 exposed to cadmium and 50 controls.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1745-6673-2-5

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