Dose-response relationship between arsenic exposure and the serum enzymes for liver function tests in the individuals exposed to arsenic: a cross sectional study in Bangladesh
2011

Arsenic Exposure and Liver Function in Bangladesh

Sample size: 200 publication 10 minutes Evidence: high

Author Information

Author(s): Islam Khairul, Haque Abedul, Karim Rezaul, Fajol Abul, Hossain Ekhtear, Salam Kazi Abdus, Ali Nurshad, Saud Zahangir Alam, Rahman Matiar, Rahman Mashiur, Karim Rezaul, Sultana Papia, Hossain Mostaque, Akhand Anwarul Azim, Mandal Abul, Miyataka Hideki, Himeno Seiichiro, Hossain Khaled

Primary Institution: Department of Biochemistry and Molecular Biology, Rajshahi University, Bangladesh

Hypothesis

The study aims to investigate the dose-response relationship between arsenic exposure and serum enzyme activity associated with liver function tests in individuals living in arsenic-endemic areas in Bangladesh.

Conclusion

The study found that higher arsenic concentrations in drinking water were associated with increased serum hepatic enzyme activities, indicating potential liver toxicity.

Supporting Evidence

  • Arsenic concentrations in hair and nails were positively correlated with arsenic levels in drinking water.
  • Serum ALP, AST, and ALT activities were significantly increased in high-exposure groups compared to the lowest-exposure groups.
  • The study provides new insights into arsenic-induced liver toxicity that may aid in early diagnosis of liver diseases.

Takeaway

Drinking water with high arsenic can hurt your liver, and this study shows that people with more arsenic in their water had higher levels of liver enzymes.

Methodology

The study involved 200 residents from arsenic-endemic areas, measuring arsenic levels in drinking water, hair, and nails, and assessing serum hepatic enzyme activities.

Potential Biases

Selection bias may exist due to the exclusion of individuals with certain health conditions.

Limitations

Potential inaccuracies in cumulative arsenic index calculations and exclusion of individuals with liver diseases may limit the findings.

Participant Demographics

Participants were adults aged 15-60 years from arsenic-endemic areas in Bangladesh, with a high prevalence of skin symptoms related to arsenic exposure.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1476-069X-10-64

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