IBD-Associated TL1A Gene (TNFSF15) Haplotypes Determine Increased Expression of TL1A Protein
2009

TL1A Gene Variants and Crohn's Disease in Jewish Patients

Sample size: 196 publication 10 minutes Evidence: high

Author Information

Author(s): Michelsen Kathrin S., Thomas Lisa S., Taylor Kent D., Yu Qi T., Mei Ling, Landers Carol J., Derkowski Carrie, McGovern Dermot P. B., Rotter Jerome I., Targan Stephan R.

Primary Institution: Cedars-Sinai Medical Center

Hypothesis

Does the TL1A gene haplotype influence the severity of Crohn's disease in Jewish patients?

Conclusion

TL1A gene variation increases the expression of TL1A protein in response to immune stimulation, which may worsen chronic intestinal inflammation in Jewish Crohn's disease patients.

Supporting Evidence

  • TL1A haplotype B was found to be more frequent in Jewish Crohn's disease patients with severe disease.
  • Jewish patients with haplotype B had higher levels of TL1A expression in response to immune stimulation.
  • TL1A may serve as a therapeutic target for treating Crohn's disease in specific patient subgroups.

Takeaway

Some people have a gene that makes their body react more strongly to certain infections, which can make their stomach problems worse.

Methodology

The study involved collecting blood samples from Crohn's disease patients and analyzing the expression of TL1A in response to immune stimulation.

Potential Biases

Potential bias due to the ethnic specificity of the sample population.

Limitations

The study primarily focused on Jewish patients, which may limit the generalizability of the findings to other populations.

Participant Demographics

Participants included Jewish and non-Jewish Crohn's disease patients, with a focus on Ashkenazi Jews.

Statistical Information

P-Value

p≤0.001

Statistical Significance

p≤0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0004719

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication