重金属和叶酸代谢途径的遗传变异:一种基因环境相互作用
Amandeep Kaur1, Mohan Jairath1, Anupam Kaur2
1Research Scientist, Department of Virology, Viral Research and Diagnostic Centre, Govt. Medical College, Amritsar, Punjab, India.
Indian journal of public health
|November 6, 2023
概括
包括,,和在内的重金属暴露与唐氏综合征儿童母亲的遗传变异有关. 这些重金属和特定的基因多态可能会影响生殖健康结果.
科学领域:
- 环境毒理学环境毒理学
- 人类遗传学 人类遗传学
- 生殖健康 生殖健康
背景情况:
- 重金属污染对人类健康构成风险,影响各种生理过程.
- 遗传因素,如单核酸多态 (SNP),可以影响个体对环境毒素的敏感性.
- 唐氏综合征是一种复杂的疾病,具有潜在的环境和遗传因素.
研究的目的:
- 研究母体血清中的重金属含量与特定遗传多态性存在之间的关联.
- 探索重金属,基因变异和后代唐氏综合征之间的潜在联系.
- 了解这些关联对生殖结果的影响.
主要方法:
- 从患有唐氏综合征的母亲 (n=77) 和健康的对照母亲 (n=86) 收集血清样本.
- 在血清样本中量化了各种重金属的水平.
- 进行基因型鉴定以确定特定的单核酸多态 (SNP),包括MTHFR 677 C>T,MTHFR 1298 A>C,RFC 80 A>G和CBS844ins68.
主要成果:
- 升高的含量显示出与MTHFR 677 C>T,RFC 80 A>G和CBS844ins68多态的显著关联.
- 水平的增加与MTHFR 1298 A>C和RFC 80 A>G SNPs显著相关.
- 含量与MTHFR 677 C>T,RFC 80 A>G和CBS844ins68相关,而与MTHFR 1298 A>C相关.
结论:
- 该研究确定了特定重金属 (,,,,) 与母亲的遗传多态性之间的显著关联.
- 这些重金属基因相互作用可能在生殖结果中发挥作用,可能会影响像唐氏综合征这样的疾病.
- 需要进一步的研究来阐明这些关联及其临床影响背后的机制.
相关概念视频
Gene-Environment Interactions
331
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
331
Human Genetics
587
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
587
Background and Environment Affect Phenotype
6.5K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
6.5K
Cancer Prevention
6.2K
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
6.2K
Types of Toxins
1.7K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.7K
Translation
14.9K
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...
Translation Produces the Building Blocks of Life
Proteins are...
14.9K


