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Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers
Published on: March 3, 2023
Future Directions in Research in Transcriptomics in the Healing of Diabetic Foot Ulcers
Brandon J Sumpio1, Zhuqing Li1, Enya Wang1
1Rongxiang Xu Center for Regenerative Therapeutics, Beth Israel Deaconess Medical Center, Harvard Medical School, Palmer 321A, One Deaconess Rd, Boston, MA, 02215, USA.
Abstract:
Diabetic foot ulcers are a health crisis that affect millions of individuals worldwide. Current standard of care involves diligent wound care with adjunctive antibiotics and surgical debridement. However, despite this, the majority will still become infected and fail to heal. Recent efforts using bioengineered skin initially appeared promising, but randomized clinical trials have disappointed. Scientists have now begun to understand that the normal wound healing physiology does not apply to diabetic foot ulcers as they maintain a chronic state of inflammation and fail to progress in a linear pathway. Using transcriptomics, research over the past decade has started identifying master genes and protein pathways that are dysregulated in patients with diabetes. This review paper discusses those genes involved and how novel advancements are using this information to create new biologically based compounds to accelerate wound healing in patients with diabetic foot ulcers.
Insights
Diabetic foot ulcers often fail to heal due to chronic inflammation. New research identifies key genes and pathways, paving the way for targeted biologic therapies to accelerate healing.
Area of Science:
- Biomedical Engineering
- Molecular Biology
- Wound Healing Research
Background:
- Diabetic foot ulcers (DFUs) represent a significant global health challenge, with standard treatments frequently failing due to infection and non-healing.
- Existing advanced therapies, such as bioengineered skin, have shown limited success in clinical trials.
- DFUs exhibit unique pathophysiology, characterized by chronic inflammation and a disrupted healing cascade, diverging from normal wound physiology.
Purpose of the Study:
- To review the current understanding of molecular pathways dysregulated in diabetic foot ulcers.
- To explore how transcriptomic data is being leveraged to identify novel therapeutic targets.
- To discuss the development of biologically based compounds aimed at accelerating DFU healing.
Main Methods:
- Literature review focusing on transcriptomic studies of diabetic foot ulcers.
- Analysis of identified master genes and protein pathways implicated in DFU pathophysiology.
- Synthesis of information on novel biologically based therapeutic strategies.
Main Results:
- Transcriptomic analysis has revealed specific master genes and protein pathways that are significantly dysregulated in diabetic patients with foot ulcers.
- Understanding these molecular alterations provides insights into the non-linear and chronically inflamed nature of DFU healing.
- This knowledge is driving the development of novel, targeted biologic compounds.
Conclusions:
- The unique biology of diabetic foot ulcers necessitates a departure from traditional wound care approaches.
- Transcriptomic insights are crucial for identifying and targeting the molecular drivers of impaired healing in DFUs.
- Novel biologic therapies hold promise for accelerating wound closure and improving outcomes for patients with diabetic foot ulcers.

