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Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing
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Association between single nucleotide polymorphism (rs4252424) in TRPV5 calcium channel gene and lead poisoning in

Jiting Liu1, Li Zhang2,3, Lixia Feng4

  • 1Department of Toxicology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Medical College of Soochow University, Suzhou, China.

Molecular Genetics & Genomic Medicine
|January 23, 2019
PubMed
Abstract

Insights

Single nucleotide polymorphism rs4252424 in the TRPV5 gene is linked to lead exposure susceptibility in Chinese workers. This finding may improve lead exposure prevention and intervention strategies.

Area of Science:

  • Environmental Health
  • Genetics
  • Toxicology

Background:

  • Lead (Pb) exposure causes irreversible damage by interfering with calcium channels.
  • Understanding genetic susceptibility to lead toxicity is crucial for public health.

Purpose of the Study:

  • To investigate the association between single nucleotide polymorphisms (SNPs) in the TRPV5 gene and lead exposure susceptibility.
  • To identify genetic markers for evaluating lead susceptibility in occupational populations.

Main Methods:

  • Genotyping of eight TRPV5 tag-SNPs in 1,130 lead-exposed Chinese workers using TaqMan SNP genotyping.
  • Analysis of the association between SNPs and blood lead levels (BLL).

Main Results:

  • SNP rs4252424 was significantly associated with lead susceptibility (β = -0.069, p=0.029).
  • The CC genotype of rs4252424 was linked to higher BLL compared to the CT genotype (p < 0.0001).
  • No significant association was found for the other seven SNPs.

Conclusions:

  • SNP rs4252424 has potential as a biomarker for evaluating lead susceptibility in the Chinese occupational population.
  • This genetic marker can aid in enhancing lead exposure prevention and intervention efforts.
Keywords:
TRPV5 polymorphismblood lead levelscalcium channelleadexposure susceptibility

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