Patients diagnosed with inflammatory bowel disease or related conditions also frequently suffer from osteoporosis as a consequence of changes in the intestinal microenvironment and consequent dysbiosis. We hypothesized that anti-inflammatory...
Background
A dearth of knowledge regarding toxicity markers of Arsenic(As)exposure in infants exists. Thus, the study aimed to identify the reference value for the total As content in urine and the toxicity markers of As exposure and to analyze the factors influencing urinary As (UAs) levels in infants.
Methods
In total, 895 urine samples were collected from infants in Xiamen, China and analyzed for total UAs using inductively coupled plasma coupled with mass spectrometry (ICP-MS). Ninety-four of the samples were randomly selected for the analysis of As species using ICP-MS. The relationship of lifestyle and diet with UAs levels was analyzed by ordered logistic regression analysis.
Results
The total UAs level was found to be 42.60 ± 148.48 µg/gCr, and the 95% upper limit was 962.35 µg/gCr. The unmethylated proportion of UAs was 38.57% (24.67–64.95%). The combined toxicity of different As species multiplied by the corresponding population detection rate was the highest for iAsⅢ+DMAV+iAsⅤ. The total UAs was positively associated with age in 6–36-month-old infants; The intakes of breast milk, seafood, meat, vegetable, and canned beverage were identified as factors contributing to elevated total UAs.
Conclusions
We concluded that the reference value for UAs in infants in Xiamen was 962.35 µg/gCr. iAsⅢ+DMAV+iAsⅤ was a better combination to evaluate the combined effects of As exposure in infants. The intake of As-contaminated food by mothers and infants, which might be the main cause of high UAs in infants.
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