Elevated CXCL12 in NOD Mice Linked to Diabetes Development
Author Information
Author(s): Leng Qibin, Nie Yuchun, Zou Yongrui, Chen Jianzhu
Primary Institution: Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology
Hypothesis
How does CXCL12 affect the development of Type I diabetes in NOD mice?
Conclusion
Elevated CXCL12 expression promotes Type I diabetes in NOD mice by altering T cell and stem cell trafficking.
Supporting Evidence
- The level of CXCL12 transcript is significantly elevated in the bone marrow of NOD mice compared to other strains.
- Treatment with AMD3100 mobilizes T cells and HSC from the bone marrow, inhibiting insulitis and delaying diabetes onset.
- Naïve T cells accumulate in the bone marrow of NOD mice, correlating with diabetes progression.
Takeaway
This study found that a protein called CXCL12 is too high in certain mice, which helps bad immune cells gather in the wrong place and can lead to diabetes.
Methodology
The study involved comparing CXCL12 levels in the bone marrow of NOD mice to other mouse strains and assessing the effects of AMD3100 treatment on T cell and stem cell trafficking.
Participant Demographics
NOD mice, specifically female mice aged 15-16 weeks.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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