Vitamin D and the vitamin D receptor are critical for control of the innate immune response to colonic injury
2007

Vitamin D and Its Receptor in Colonic Injury

Sample size: 94 publication 10 minutes Evidence: high

Author Information

Author(s): Froicu Monica, Cantorna Margherita T

Primary Institution: The Pennsylvania State University

Hypothesis

The vitamin D receptor (VDR) and 1,25(OH)2D3 play a critical role in controlling the innate immune response to colonic injury.

Conclusion

The study highlights the essential role of the VDR and 1,25(OH)2D3 in regulating innate immunity and the colon's response to chemical injury.

Supporting Evidence

  • VDR KO mice showed increased mortality and severe colitis symptoms compared to wild type mice.
  • 1,25(OH)2D3 treatment reduced the severity of DSS-induced inflammation in wild type mice.
  • High levels of inflammatory cytokines were found in the colons of VDR KO mice after DSS treatment.

Takeaway

Vitamin D helps keep our gut healthy, and without it, mice get very sick when their intestines are hurt.

Methodology

Mice were treated with varying concentrations of dextran sodium sulfate (DSS) to induce colitis, and the effects of vitamin D and its receptor were assessed.

Limitations

The study was conducted in mice, which may not fully replicate human responses.

Participant Demographics

C57BL/6 wild type and VDR knockout mice, aged 10-12 weeks.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2172-8-5

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