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Related Concept Videos

Polygenic Traits01:18

Polygenic Traits

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When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Bulimia Nervosa01:30

Bulimia Nervosa

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Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
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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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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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An Integrative Migraine Polygenic Risk Score Is Associated with Age at Onset But Not Chronification.

Bruce A Chase1,2, Roberta Frigerio2,3, Susan Rubin4,5

  • 1Department of Health Information Technology, Endeavor Health, Skokie, IL 60077, USA.

Journal of Clinical Medicine
|November 9, 2024
PubMed
Summary
This summary is machine-generated.

A higher polygenic risk score (PRS) is linked to earlier migraine onset in adults. This genetic susceptibility score predicts initial disease development but not migraine chronification over time.

Keywords:
electronic health record (EHR) reviewmigrainepolygenic risk scorereal-world studystructured clinical documentation tools

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Area of Science:

  • Genetics
  • Neurology
  • Epidemiology

Background:

  • Genome-wide association studies (GWASs) reveal complex genetic factors influencing migraine risk.
  • Polygenic risk scores (PRSs) derived from GWAS data show potential for predicting migraine disease progression.
  • Investigating the association between an integrative migraine PRS and key clinical outcomes like age at onset and chronification is crucial.

Purpose of the Study:

  • To analyze the association between a comprehensive migraine polygenic risk score (PRS) and age at migraine onset.
  • To evaluate the relationship between the migraine PRS and the chronification of migraine in adults.
  • To determine if PRS can predict disease course beyond initial onset.

Main Methods:

  • A retrospective clinical/genetic case-control study was conducted using two European ancestry cohorts (DodoNA and GHI).
  • The polygenic risk score (PGS004799) was calculated for migraine cases and controls.
  • Associations between PRS, age at onset (or first ICD code), and chronification were statistically evaluated.

Main Results:

  • Migraine cases exhibited significantly higher PRSs compared to controls in both cohorts (p < 1.6 × 10^-14).
  • A higher PRS was strongly associated with earlier migraine onset in both females and males across cohorts (p < 0.001).
  • No significant association was found between PRS and migraine chronification (p = 0.424).

Conclusions:

  • Elevated genetic risk, as indicated by PRS, is associated with earlier migraine onset and increased susceptibility into adulthood.
  • The PRS appears to quantify inherent genetic susceptibility rather than factors driving disease progression or chronification.
  • These findings suggest distinct genetic underpinnings for migraine initiation versus its long-term course.