Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms

Yung Cheng Huang; Wei Chiao Chang; Ya Han Shan; Chao Yi Lin; Chao Ling Wang; Chia Yen Dai; Chi Kung Ho; Ming Tsang Wu; Hung Yi Chuang

doi:10.1097/EDE.0000000000000738

Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms

Yung Cheng Huang, Wei Chiao Chang, Ya Han Shan, Chao Yi Lin, Chao Ling Wang, Chia Yen Dai, Chi Kung Ho, Ming Tsang Wu, Hung Yi Chuang

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

BACKGROUND: Lead (Pb), cadmium (Cd), and arsenic (As) could cause health issues through oxidative stress that is indicated in the elevated tumor necrosis factor-alpha (TNF-α). However, some of the essential elements-selenium (Se), zinc (Zn), cobalt (Co), and copper (Cu)-are cofactors or structural components of antioxidant enzymes. It is suggested that single-nucleotide polymorphisms (SNPs) in the TNF-α gene have different TNF-α responses. This study aims to evaluate the effect of serum TNF-α levels through the interactions between toxic metals and essential elements and how the interactions between the toxic metals and TNF-α SNPs (-1031 T > C, -863 C > A, -857 C > T, -308 G > A, -238 G > A) influence serum TNF-α levels.

METHODS: Blood samples were collected from 455 workers who carried out annual health examinations and multielements determined by inductively coupled plasma mass spectrometry (ICP-MS). TNF-α levels were detected by enzyme-linked immunosorbent assay (ELISA). TNF-α promoter SNPs were analyzed by specific primer probes using real-time polymerase chain reaction (PCR) methods.

RESULTS: Increasing blood Pb, Cd, and As levels were associated with elevated TNF-α levels. The interaction between Pb and Cu decreased TNF-α levels and so did the interaction between Cd and Se. In the interaction between Pb and SNPs, individuals with AA/AG (-308 G > A) and AA/AG (-238 G > A) had higher serum TNF-α levels. However, lower TNF-α levels were noted in those individuals with AA/CA (-863 C > A). In the interaction between As and SNPs, workers with AA/AG (-238 G > A) had synergic effect with As and induced higher serum TNF-α levels.

CONCLUSIONS: Blood Cu and Se were antagonists of toxic metals (Pb, As, and Cd) through lower serum TNF-α levels. Variant types of TNF-α SNPs (-308 G > A, -238 G > A) and wild type of -863 CC would be more susceptible to toxic metals.

Original language	English
Pages (from-to)	S113-S120
Journal	Epidemiology (Cambridge, Mass.)
Volume	28
DOIs	https://doi.org/10.1097/EDE.0000000000000738
Publication status	Published - Oct 1 2017

ASJC Scopus subject areas

Epidemiology

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10.1097/EDE.0000000000000738

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Huang, Y. C., Chang, W. C., Shan, Y. H., Lin, C. Y., Wang, C. L., Dai, C. Y., Ho, C. K., Wu, M. T., & Chuang, H. Y. (2017). Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms. Epidemiology (Cambridge, Mass.), 28, S113-S120. https://doi.org/10.1097/EDE.0000000000000738

Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms. / Huang, Yung Cheng; Chang, Wei Chiao; Shan, Ya Han et al.

In: Epidemiology (Cambridge, Mass.), Vol. 28, 01.10.2017, p. S113-S120.

Research output: Contribution to journal › Article › peer-review

Huang, YC, Chang, WC, Shan, YH, Lin, CY, Wang, CL, Dai, CY, Ho, CK, Wu, MT & Chuang, HY 2017, 'Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms', Epidemiology (Cambridge, Mass.), vol. 28, pp. S113-S120. https://doi.org/10.1097/EDE.0000000000000738

@article{18b6e709ae39412aa8365aa905d6beea,

title = "Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms",

abstract = "BACKGROUND: Lead (Pb), cadmium (Cd), and arsenic (As) could cause health issues through oxidative stress that is indicated in the elevated tumor necrosis factor-alpha (TNF-α). However, some of the essential elements-selenium (Se), zinc (Zn), cobalt (Co), and copper (Cu)-are cofactors or structural components of antioxidant enzymes. It is suggested that single-nucleotide polymorphisms (SNPs) in the TNF-α gene have different TNF-α responses. This study aims to evaluate the effect of serum TNF-α levels through the interactions between toxic metals and essential elements and how the interactions between the toxic metals and TNF-α SNPs (-1031 T > C, -863 C > A, -857 C > T, -308 G > A, -238 G > A) influence serum TNF-α levels.METHODS: Blood samples were collected from 455 workers who carried out annual health examinations and multielements determined by inductively coupled plasma mass spectrometry (ICP-MS). TNF-α levels were detected by enzyme-linked immunosorbent assay (ELISA). TNF-α promoter SNPs were analyzed by specific primer probes using real-time polymerase chain reaction (PCR) methods.RESULTS: Increasing blood Pb, Cd, and As levels were associated with elevated TNF-α levels. The interaction between Pb and Cu decreased TNF-α levels and so did the interaction between Cd and Se. In the interaction between Pb and SNPs, individuals with AA/AG (-308 G > A) and AA/AG (-238 G > A) had higher serum TNF-α levels. However, lower TNF-α levels were noted in those individuals with AA/CA (-863 C > A). In the interaction between As and SNPs, workers with AA/AG (-238 G > A) had synergic effect with As and induced higher serum TNF-α levels.CONCLUSIONS: Blood Cu and Se were antagonists of toxic metals (Pb, As, and Cd) through lower serum TNF-α levels. Variant types of TNF-α SNPs (-308 G > A, -238 G > A) and wild type of -863 CC would be more susceptible to toxic metals.",

author = "Huang, {Yung Cheng} and Chang, {Wei Chiao} and Shan, {Ya Han} and Lin, {Chao Yi} and Wang, {Chao Ling} and Dai, {Chia Yen} and Ho, {Chi Kung} and Wu, {Ming Tsang} and Chuang, {Hung Yi}",

year = "2017",

month = oct,

day = "1",

doi = "10.1097/EDE.0000000000000738",

language = "English",

volume = "28",

pages = "S113--S120",

journal = "Epidemiology",

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TY - JOUR

T1 - Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms

AU - Huang, Yung Cheng

AU - Chang, Wei Chiao

AU - Shan, Ya Han

AU - Lin, Chao Yi

AU - Wang, Chao Ling

AU - Dai, Chia Yen

AU - Ho, Chi Kung

AU - Wu, Ming Tsang

AU - Chuang, Hung Yi

PY - 2017/10/1

Y1 - 2017/10/1

N2 - BACKGROUND: Lead (Pb), cadmium (Cd), and arsenic (As) could cause health issues through oxidative stress that is indicated in the elevated tumor necrosis factor-alpha (TNF-α). However, some of the essential elements-selenium (Se), zinc (Zn), cobalt (Co), and copper (Cu)-are cofactors or structural components of antioxidant enzymes. It is suggested that single-nucleotide polymorphisms (SNPs) in the TNF-α gene have different TNF-α responses. This study aims to evaluate the effect of serum TNF-α levels through the interactions between toxic metals and essential elements and how the interactions between the toxic metals and TNF-α SNPs (-1031 T > C, -863 C > A, -857 C > T, -308 G > A, -238 G > A) influence serum TNF-α levels.METHODS: Blood samples were collected from 455 workers who carried out annual health examinations and multielements determined by inductively coupled plasma mass spectrometry (ICP-MS). TNF-α levels were detected by enzyme-linked immunosorbent assay (ELISA). TNF-α promoter SNPs were analyzed by specific primer probes using real-time polymerase chain reaction (PCR) methods.RESULTS: Increasing blood Pb, Cd, and As levels were associated with elevated TNF-α levels. The interaction between Pb and Cu decreased TNF-α levels and so did the interaction between Cd and Se. In the interaction between Pb and SNPs, individuals with AA/AG (-308 G > A) and AA/AG (-238 G > A) had higher serum TNF-α levels. However, lower TNF-α levels were noted in those individuals with AA/CA (-863 C > A). In the interaction between As and SNPs, workers with AA/AG (-238 G > A) had synergic effect with As and induced higher serum TNF-α levels.CONCLUSIONS: Blood Cu and Se were antagonists of toxic metals (Pb, As, and Cd) through lower serum TNF-α levels. Variant types of TNF-α SNPs (-308 G > A, -238 G > A) and wild type of -863 CC would be more susceptible to toxic metals.

AB - BACKGROUND: Lead (Pb), cadmium (Cd), and arsenic (As) could cause health issues through oxidative stress that is indicated in the elevated tumor necrosis factor-alpha (TNF-α). However, some of the essential elements-selenium (Se), zinc (Zn), cobalt (Co), and copper (Cu)-are cofactors or structural components of antioxidant enzymes. It is suggested that single-nucleotide polymorphisms (SNPs) in the TNF-α gene have different TNF-α responses. This study aims to evaluate the effect of serum TNF-α levels through the interactions between toxic metals and essential elements and how the interactions between the toxic metals and TNF-α SNPs (-1031 T > C, -863 C > A, -857 C > T, -308 G > A, -238 G > A) influence serum TNF-α levels.METHODS: Blood samples were collected from 455 workers who carried out annual health examinations and multielements determined by inductively coupled plasma mass spectrometry (ICP-MS). TNF-α levels were detected by enzyme-linked immunosorbent assay (ELISA). TNF-α promoter SNPs were analyzed by specific primer probes using real-time polymerase chain reaction (PCR) methods.RESULTS: Increasing blood Pb, Cd, and As levels were associated with elevated TNF-α levels. The interaction between Pb and Cu decreased TNF-α levels and so did the interaction between Cd and Se. In the interaction between Pb and SNPs, individuals with AA/AG (-308 G > A) and AA/AG (-238 G > A) had higher serum TNF-α levels. However, lower TNF-α levels were noted in those individuals with AA/CA (-863 C > A). In the interaction between As and SNPs, workers with AA/AG (-238 G > A) had synergic effect with As and induced higher serum TNF-α levels.CONCLUSIONS: Blood Cu and Se were antagonists of toxic metals (Pb, As, and Cd) through lower serum TNF-α levels. Variant types of TNF-α SNPs (-308 G > A, -238 G > A) and wild type of -863 CC would be more susceptible to toxic metals.

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Toxic Metals Increase Serum Tumor Necrosis Factor-α Levels, Modified by Essential Elements and Different Types of Tumor Necrosis Factor-α Promoter Single-nucleotide Polymorphisms

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