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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
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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...
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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.
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Investigating Target Gene Function in a CD40 Agonistic Antibody-induced Colitis Model using CRISPR/Cas9-based Technologies
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A Genetic Study of Ulcerative Colitis.

Vibeke Binder1,2, Eva Weeke1, J H Olsen1

  • 1a Medical Department B, Gentofte Hospital, Hellerup, and Medical Department B, Glostrup Hospital , Denmark.

Scandinavian Journal of Gastroenterology
|November 30, 2016
PubMed
Summary
This summary is machine-generated.

Familial clustering of ulcerative colitis suggests a genetic link. Allergic conditions like urticaria and allergic rhinitis were more common in ulcerative colitis families, supporting an immediate-type allergic pathogenesis.

Keywords:
Ulcerative colitisallergic diseasesgenetic study

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Area of Science:

  • Gastroenterology
  • Immunology
  • Genetics

Background:

  • Ulcerative colitis (UC) is a chronic inflammatory bowel disease with unknown etiology.
  • Genetic and environmental factors are implicated in UC pathogenesis.
  • A potential link to allergic mechanisms has been proposed.

Purpose of the Study:

  • To investigate the familial incidence of UC and associated diseases.
  • To explore the role of immediate-type hypersensitivity in UC pathogenesis.

Main Methods:

  • A case-control study comparing 152 UC patients with a matched control group.
  • Questionnaires collected data on familial history of UC, regional ileitis, colorectal cancer, and various allergic and autoimmune diseases.
  • Statistical analysis was used to compare disease frequencies between groups.

Main Results:

  • A significantly higher familial incidence of UC was observed in patients (5.3%) compared to controls (0.7%).
  • Urticaria and allergic rhinitis showed a preponderance in UC families.
  • No significant differences were found for regional ileitis, colorectal cancer, erythema nodosum, rheumatoid arthritis, or ankylosing spondylarthritis.

Conclusions:

  • The increased familial occurrence of UC supports a genetic predisposition.
  • The association with immediate-type allergic conditions suggests a potential role for allergy in UC pathogenesis.