Determination of trace elements in Ethiopian, Vietnamese, and Japanese women using high-resolution IC-PMS

Tekeste, Zinaye; Amare, Bemnet; Asfaw, Fanaye; Fantahun, Bereket; Nguyen, Nhien; Nishikawa, Takeshi; Yabutani, Tomoki; Okayasu, Takeshi; Ota, Fusao; Kassu, Afework

doi:10.1016/j.nut.2015.04.021

Cited by 5 publications

(4 citation statements)

References 22 publications

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“…Previous studies had reported mean serum Zn concentrations of 804.5 µg/L [ 66 ] and of 1070 µg/L for 79 control individuals [ 67 ]. Zn levels reported in this study are higher than the ones reported for Brazilian populations (739 µg/L for male and 700 µg/L for female) [ 68 ], and for general Japanese women (606.9 µg/L) [ 69 ]. Our results did not show any significant differences in Zn concentration between men and women or between age cohorts.…”

Section: Discussioncontrasting

confidence: 77%

Determination of Trace Metal Levels in the General Population of Korea

Kim

Lim

Lee

et al. 2017

IJERPH

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The purpose of this study was to determine the levels of trace metals in the blood of the general Korean population. A total of 258 healthy individuals, according to their regular medical check-ups, (119 males and 139 females, age ranging from 12 to 78 years old) were enrolled from December 2014 to December 2016. Levels of 10 trace elements were determined using inductively coupled plasma mass spectrometry (ICP-MS). The geometric mean (GM) levels for lead, arsenic, cesium, mercury, aluminum, cadmium, copper, manganese, selenium, and zinc were 15.97 μg/L, 7.19 μg/L, 2.39 μg/L, 3.41 μg/L, 10.57 μg/L, 0.78 μg/L, 979.8 μg/L, 11.06 μg/L, 111.37 μg/L, and 872.7 μg/L, respectively. There were significant gender-related differences in the levels of several metals; male individuals had higher Pb, As, Cs, Hg, and Se than females, while females had higher Cd, Cu, and Mn than males. We noticed remarkably high blood levels of Hg, As and Al in the Korean population. The element concentrations reported represent a new contribution to the knowledge of the blood chemistry for the Korea population. The data can be used to assess the clinical health of this population.

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Section: Discussioncontrasting

confidence: 77%

Determination of Trace Metal Levels in the General Population of Korea

Kim

Lim

Lee

et al. 2017

IJERPH

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“…In a study of school-aged children ( n = 555) in the Amhara Region, Gashu et al [ 12 ] reported that 49% of children had Se inadequacy (using a serum Se concentration threshold of <70 μg L −1 ), but the prevalence of deficiency was much greater in Western than Eastern Amhara. In the city of Gondar, in North East Amhara Region, Se deficiency was reported among 30% of women of reproductive age ( n = 26/87) [ 13 ] and 62% of school aged children ( n = 62/100) [ 14 ]. Thus, Se deficiency is likely to be widespread in parts of Ethiopia, but geographically dependent, however, no data exist for the majority of the country.…”

Section: Introductionmentioning

confidence: 99%

Selenium Deficiency Is Widespread and Spatially Dependent in Ethiopia

et al. 2020

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Selenium (Se) is an essential element for human health and livestock productivity. Globally, human Se status is highly variable, mainly due to the influence of soil types on the Se content of crops, suggesting the need to identify areas of deficiency to design targeted interventions. In sub-Saharan Africa, including Ethiopia, data on population Se status are largely unavailable, although previous studies indicated the potential for widespread Se deficiency. Serum Se concentration of a nationally representative sample of the Ethiopian population was determined, and these observed values were combined with a spatial statistical model to predict and map the Se status of populations across the country. The study used archived serum samples (n = 3269) from the 2015 Ethiopian National Micronutrient Survey (ENMS). The ENMS was a cross-sectional survey of young and school-age children, women and men. Serum Se concentration was measured using inductively coupled plasma mass spectrometry (ICPMS). The national median (Q1, Q3) serum Se concentration was 87.7 (56.7, 123.0) μg L−1. Serum Se concentration differed between regions, ranging from a median (Q1, Q3) of 54.6 (43.1, 66.3) µg L−1 in the Benishangul-Gumuz Region to 122.0 (105, 141) µg L−1 in the Southern Nations, Nationalities, and Peoples’ Region and the Afar Region. Overall, 35.5% of the population were Se deficient, defined as serum Se < 70 µg L−1. A geostatistical analysis showed that there was marked spatial dependence in Se status, with serum concentrations greatest among those living in North-East and Eastern Ethiopia and along the Rift Valley, while serum Se concentrations were lower among those living in North-West and Western Ethiopia. Selenium deficiency in Ethiopia is widespread, but the risk of Se deficiency is highly spatially dependent. Policies to enhance Se nutrition should target populations in North-West and Western Ethiopia.

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“…Cut-off of < 74 μg/dl and < 70 μg/dl serum Zn was used for men and < 70 μg/dl was used for non-pregnant WRA for morning, fasting samples. Furthermore, cut-off values of serum concentrations to define deficiency were 8•4 mg/dl for Ca, 0•022 μg/dl for Co, 75 μg/dl for Cu, 1•8 mg/dl for Mg, 0•02 μg/dl for Mo and 7 μg/dl for Se (52)(53)(54) .…”

Section: Data Collection and Analysismentioning

confidence: 99%

Micronutrients and socio-demographic factors were major predictors of anaemia among the Ethiopian population

et al. 2023

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Anemia is characterized by low hemoglobin (Hb) concentration. Despite being a public health concern in Ethiopia, the role of micronutrients and non-nutritional factors as a determinant of Hb concentrations has been inadequately explored. This study focused on the assessment of serum micronutrient and Hb concentrations and a range of non-nutritional factors; to evaluate their associations with the risk of anemia among the Ethiopian population (n=2046). It also explored the mediation effect of zinc (Zn) on the relation between selenium (Se) and Hb. Bivariate and multivariate regression analyses were performed to identify the relationship between serum micronutrients concentration, inflammation biomarkers, nutritional status, presence of parasitic infection and socio-demographic factors with Hb concentration. (n=2046). Sobel-Goodman test was applied to investigate the mediation of Zn on relations between serum Se and Hb. In total, 18.6% of participants were anemic, 5.8% had iron deficiency, 2.6% had iron deficiency anemia and 0.6% had tissue iron deficiency. Younger age, household head illiteracy, and low serum concentrations of ferritin, cobalt, Copper, and folate were associated with anemia. Serum Se had an indirect effect that was mediated by Zn, with a significant effect of Se on Zn (p<0.001) and Zn on Hb (p<0.001). The findings of this study suggest the need for designing a multi-sectorial intervention to address anemia based on demographic group.

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Determination of trace elements in Ethiopian, Vietnamese, and Japanese women using high-resolution IC-PMS

Cited by 5 publications

References 22 publications

Determination of Trace Metal Levels in the General Population of Korea

Determination of Trace Metal Levels in the General Population of Korea

Selenium Deficiency Is Widespread and Spatially Dependent in Ethiopia

Micronutrients and socio-demographic factors were major predictors of anaemia among the Ethiopian population

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