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Updated: Feb 12, 2026

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers
Published on: March 3, 2023
Relationship between plasma angiogenic growth factors and diabetic foot ulcers
Zongcun Chen1, Shasha Fu2, Zurong Wu1
1Department of Endocrinology, The Second Affiliated Hospital of Hainan Medical University, HaiKou 570311, Hainan Province, China.
Background:
Angiogenic growth factors play an important role in wound healing. However, their associations with diabetic foot ulcers (DFUs) in humans have rarely been investigated. We examined the relationships between circulating concentrations of vascular endothelial growth factor (VEGF)-A and placenta growth factor (PlGF), and DFU risk.
Methods:
We recruited 447 participants, including 169 DFU patients, 182 diabetes patients without DFUs, and 96 diabetes-free individuals. Plasma VEGF-A and PlGF concentrations were measured using commercial enzyme immunoassay kits.
Results:
Concentrations of VEGF-A and PlGF in DFU patients were higher than those in diabetes-free controls (P < 0.05), but lower than those in the diabetic controls (P < 0.05). Increased concentrations of VEGF-A and PlGF were associated with a reduced risk of DFUs. The odds ratios (95% confidence intervals) were 0.93 (0.88, 0.97) for every 10 pg/ml increase in VEGF-A concentrations, and 0.96 (0.94, 0.99) for every 5 pg/ml increase in PlGF concentrations. VEGF-A concentrations were positively related to BMI, glycated hemoglobin (HbA1c), hypertension, and neuropathy, and PlGF was positively correlated to age, HbA1c, and hypertension, among DFU patients.
Conclusion:
VEGF-A and PlGF play important roles in the development of DFU but need to be confirmed in prospective studies.
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