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Assessment of heavy metals by ICP‐OES and their impact on insulin stimulating hormone and carbohydrate metabolizing enzymes
Author(s) -
Saba Shakil,
Akash Muhammad Sajid Hamid,
Rehman Kanwal,
Saleem Uzma,
Fiayyaz Fareeha,
Ahmad Tanvir
Publication year - 2020
Publication title -
clinical and experimental pharmacology and physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 103
eISSN - 1440-1681
pISSN - 0305-1870
DOI - 10.1111/1440-1681.13353
Subject(s) - medicine , cadmium , endocrinology , chemistry , population , diabetes mellitus , arsenic , insulin , urine , environmental health , organic chemistry
Abstract Arsenic (As) and cadmium (Cd) have recently emerged as major health concerns owing to their strong association with diabetes mellitus (DM). We aimed to investigate the heavy metals exposure towards incidence of DM at various enzymatic and hormonal levels. Additionally, association of As and Cd with Zinc (Zn, essential metal) was also evaluated. Spot urine samples were collected to assess As, Cd and Zn through ICP‐OES. Serum was analyzed by assay method for fasting blood glucose, liver and renal function biomarkers. ELISA was performed to investigate the impact of heavy metals on HbA1c, α‐amylase, DPP‐IV, IGF‐1, leptin, GSH, MDA, SOD, HDL, FFA, TG and interleukin (IL)‐6. Association of heavy metals with DM was measured by odds ratio (OR) and level of significance was assessed by Chi‐squared test. Unpaired student's t ‐test was used to compare DM‐associated risk factors in heavy metals‐exposed and unexposed participants. As and Cd were detectable in 75.4% and 83% participants with mean concentration of 75.5 ppb and 54.5 ppb, respectively. For As exposure, OR in the third quartile was maximum ie 1.34 (95% CI, 0.80 to 2.23), however the result was not statistically significant ( P > .05). For Cd exposure, OR in the fourth quartile was considerably high, 1.62 (95% CI, 1.00 to 2.61), with a significant probability value ( P < .05). Urinary Cd was negatively associated with Zn. As and Cd exposure increases the incidence of DM in the general population. Impaired hormonal and enzymatic levels in diabetic and non‐diabetic exposed participants reflect the multiple organ damage by heavy metal exposure.