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Related Concept Videos

Human Genetics01:28

Human Genetics

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...
Genetic Lingo01:11

Genetic Lingo

Overview
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu01:29

Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu

Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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...
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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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Related Experiment Video

Updated: Jun 9, 2026

Investigating Migraine-Like Behavior Using Light Aversion in Mice
05:23

Investigating Migraine-Like Behavior Using Light Aversion in Mice

Published on: August 11, 2021

Genetics of headaches.

Arn M J M Van Den Maagdenberg1, Gisela M Terwindt, Joost Haan

  • 1Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands.

Handbook of Clinical Neurology
|September 7, 2010
PubMed
Summary
This summary is machine-generated.

Genetic research is advancing our understanding of primary headaches, identifying specific genes like CACNA1A, ATP1A2, and SCN1A linked to migraine with aura. Future studies aim to uncover genetic variants for common headache types.

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Last Updated: Jun 9, 2026

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Published on: August 11, 2021

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Published on: June 2, 2014

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05:40

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Published on: July 29, 2021

Area of Science:

  • Neurology
  • Genetics
  • Molecular Biology

Background:

  • Understanding primary headache molecular mechanisms is crucial for developing effective treatments.
  • Genetic research offers a promising avenue for identifying these mechanisms.
  • Progress has been significant in Familial Hemiplegic Migraine, a rare subtype.

Purpose of the Study:

  • To review the current state of genetic research in primary headaches.
  • To highlight identified genes and proposed molecular mechanisms in migraine.
  • To discuss the challenges and future prospects of genetic discovery in common headache disorders.

Main Methods:

  • Review of genetic studies, including familial, candidate gene, and linkage analyses.
  • Examination of cellular and transgenic mouse models.
  • Discussion of monogenic disorders with prominent migraine features, such as CADASIL.

Main Results:

  • Three genes (CACNA1A, ATP1A2, SCN1A) encoding ion transporters identified in Familial Hemiplegic Migraine.
  • Neuronal hyperexcitability and cortical spreading depression implicated as key mechanisms.
  • Limited success in identifying gene variants for common migraine forms, with MTHFR as an exception.
  • Few genetic findings reported for cluster headache and tension-type headache.

Conclusions:

  • Genetic research has elucidated mechanisms in rare migraine subtypes, involving ion transporter genes and neuronal excitability.
  • Discovering genetic variants for common primary headaches remains challenging but is anticipated with advancements in genotyping and large-scale patient data.
  • Continued genetic investigation is vital for identifying novel drug targets and improving patient treatment outcomes.