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Related Concept Videos

Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
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...
Serum Laboratory Studies, Stool Test, Breath Test01:30

Serum Laboratory Studies, Stool Test, Breath Test

Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
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Related Experiment Video

Updated: Jun 23, 2026

Multi-Gene Single Nucleotide Polymorphism Detection in Gastric Cancer Based on Ion Semiconductor Sequencing Platform
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Multi-Gene Single Nucleotide Polymorphism Detection in Gastric Cancer Based on Ion Semiconductor Sequencing Platform

Published on: May 10, 2024

Genetic testing in other GI diseases.

Shirley Hodgson1, Adonis S Ioannides

  • 1Professor of Cancer Genetics, St.George's, University of London, United Kingdom.

Best Practice & Research. Clinical Gastroenterology
|May 6, 2009
PubMed
Summary

Genetic factors significantly impact gastrointestinal development, leading to congenital malformations and functional disorders. This review explores how genetic variants contribute to these complex gastrointestinal conditions.

Area of Science:

  • Developmental Biology
  • Gastroenterology
  • Medical Genetics

Background:

  • Gastrointestinal development involves intricate processes like tube formation, cell differentiation, and organogenesis.
  • Genetic factors are increasingly implicated in congenital malformations and functional gastrointestinal disorders.
  • Gene-environment interactions are crucial in the pathogenesis of functional gastrointestinal disorders.

Purpose of the Study:

  • To review the contribution of genetic variants to gastrointestinal disorders.
  • To discuss the role of genetic factors in both structural and functional gastrointestinal diseases.
  • To highlight the spectrum of genetic influences, from mutations to polymorphisms.

Main Methods:

  • Literature review of genetic factors in gastrointestinal development and disorders.

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In Vivo Modeling of the Morbid Human Genome using Danio rerio
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In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

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Last Updated: Jun 23, 2026

Multi-Gene Single Nucleotide Polymorphism Detection in Gastric Cancer Based on Ion Semiconductor Sequencing Platform
06:21

Multi-Gene Single Nucleotide Polymorphism Detection in Gastric Cancer Based on Ion Semiconductor Sequencing Platform

Published on: May 10, 2024

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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

  • Analysis of studies on mutations, chromosomal abnormalities, and polymorphisms.
  • Synthesis of evidence linking genetic variation to disease pathogenesis.
  • Main Results:

    • Genetic variants, including mutations and polymorphisms, are key contributors to congenital gastrointestinal malformations.
    • Genetic factors play a significant role in the development of functional gastrointestinal disorders.
    • The interplay between genetic predisposition and environmental factors influences disease outcomes.

    Conclusions:

    • Genetic variants are fundamental to understanding gastrointestinal development and its associated disorders.
    • A comprehensive understanding of genetic contributions is essential for diagnosing and treating gastrointestinal conditions.
    • Further research into genetic and environmental interactions will advance the field of gastroenterology.