LITAF Mediation of Increased TNF-α Secretion from Inflamed Colonic Lamina Propria Macrophages
2011

LITAF's Role in TNF-α Secretion from Inflamed Colonic Macrophages

Sample size: 8 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kristen N. Bushell, Susan E. Leeman, Earl Gillespie, Adam C. Gower, Karen L. Reed, Arthur F. Stucchi, James M. Becker, Salomon Amar

Primary Institution: Boston University

Hypothesis

Does LITAF mediate TNF-α expression in acutely inflamed colonic tissues?

Conclusion

LITAF contributes to the regulation of TNF-α secretion in macrophages from inflamed colonic tissue.

Supporting Evidence

  • LITAF mRNA and protein levels were elevated in macrophages from inflamed tissues.
  • Macrophages from LITAF knockout mice secreted less TNF-α in response to LPS.
  • TNF-α secretion was significantly increased in macrophages from inflamed colonic tissue compared to non-inflamed tissue.

Takeaway

This study shows that a protein called LITAF helps control a substance that causes inflammation in the gut, which could help in treating diseases like Crohn's.

Methodology

The study used a mouse model of colonic inflammation to analyze TNF-α secretion from macrophages harvested from inflamed and non-inflamed tissues.

Limitations

The study primarily focused on a specific mouse strain, which may limit the generalizability of the findings.

Participant Demographics

Adult, gender-matched male and female C57BL/6 mice.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025849

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication