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Human Genetics01:28

Human Genetics

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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...
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Comparing Copy Number Variations and SNPs02:26

Comparing Copy Number Variations and SNPs

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Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
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Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
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Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
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Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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Genetic Lingo01:11

Genetic Lingo

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Overview
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神经系统疾病遗传检测的差异

Aaron Baldwin1, Juliette Copeland1, Meron Azage1

  • 1From the Department of Neurology (A.B., J.C., M.A., L.D., K.J., R.A.P., D.A.A., M.B., A.D., L.B.E., M.G., A.G.H., D.J.I., A.L., J.O.-M., C.C.Q., T.F.T., S.S.S., R.H.H., C.A.E.), Penn Statistics in Imaging and Visualization Center (PennSIVE) (R.T.S.), Department of Biostatistics, Epidemiology, and Informatics, and Center for Biomedical Image Computing and Analytics (R.T.S.), Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia.

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概括
此摘要是机器生成的。

种族和社会经济差异限制了对神经疾病的基因检测的获取. 然而,一旦获得,基因测试对所有人口群体都有同等的好处. 解决这些障碍对于健康公平至关重要.

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科学领域:

  • 神经学 神经学
  • 遗传学 遗传学 是一个
  • 健康差异 在健康上的差异

背景情况:

  • 遗传检测是许多神经系统疾病的标准.
  • 在美国,医疗保健差异很普遍.
  • 神经遗传测试利用的差异没有得到充分研究.

研究的目的:

  • 测试基因检测对神经疾病的获取和结果是否因种族,种族,性别,社会经济地位和保险而有所不同.
  • 为了确定神经遗传学评估途径中的差异.

主要方法:

  • 在神经遗传学计划 (2015-2022) 中对患者的回顾性分析.
  • 研究了不同的人口群体在参加评估,完成测试和收到结果方面的差异.
  • 使用单变量和多变量逻辑回归,与所有神经外科患者进行比较.

主要成果:

  • 黑人患者被评估的可能性不到白人患者的一半 (OR 0.49,p < 0.001).
  • 来自最低社会经济四分位数的患者不太可能被评估 (OR 0.67,p < 0.001).
  • 在被评估者中,在完成测试或收到诊断结果方面没有发现差异.

结论:

  • 对边缘化群体,特别是黑人患者观察到的神经遗传学服务的不平等利用.
  • 当基因测试被指明并被访问时,所有人口群体都会从中受益.
  • 消除接入障碍对于神经病治疗中的健康公平至关重要.