Dietary Supplementation of Glycocalyx Precursors and Vascular Function in Type 2 Diabetes
Author Information
Author(s): James A. Smith, Francisco I. Ramirez-Perez, Katherine Burr, Juan D. Gonzalez-Vallejo, Mariana Morales-Quinones, Neil J. McMillan, Larissa Ferreira-Santos, Neekun Sharma, Christopher A. Foote, Luis A. Martinez-Lemus, Jaume Padilla, Camila Manrique-Acevedo
Primary Institution: University of Missouri
Hypothesis
Restoration of the endothelial glycocalyx with dietary supplementation of glycocalyx precursors improves endothelial function and other indices of vascular function in type 2 diabetes.
Conclusion
The study found that while dietary supplementation of glycocalyx precursors improved vascular function in a mouse model of type 2 diabetes, it did not have the same effect in Veterans with type 2 diabetes.
Supporting Evidence
- DSGP treatment improved endothelial glycocalyx length and flow-mediated dilation in db/db mice.
- DSGP did not enhance endothelial glycocalyx integrity or improve vascular function indices in Veterans with type 2 diabetes.
- Preclinical studies showed positive effects of DSGP on vascular function in mice.
Takeaway
This study tested a supplement that was supposed to help blood vessels in people with diabetes, but it didn't work as expected in humans even though it helped mice.
Methodology
The study included animal experiments with db/db mice and a double-blinded, randomized, placebo-controlled clinical trial with Veterans with type 2 diabetes.
Potential Biases
Potential bias due to the lack of equal gender representation and the specific population studied (Veterans).
Limitations
The clinical trial had a small sample size and was predominantly male, which may limit the generalizability of the findings.
Participant Demographics
Veterans aged 45 to 74 years with type 2 diabetes, predominantly male.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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