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Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers

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Bone marrow stem cell abnormality and diabetic complications.

Mineko Fujimiya¹, Kanna Nagaishi, Tomohisa Yamashita

¹Department of Anatomy, Sapporo Medical University School of Medicine, Japan. fujimiya@sapmed.ac.jp

Anatomical Record (Hoboken, N.J. : 2007)

|March 21, 2012

Summary

Diabetes complications may stem from abnormal bone marrow stem cells causing cell fusion and tissue damage. This discovery offers new therapeutic strategies for diabetes-associated tissue repair.

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Area of Science:

Endocrinology
Stem Cell Biology
Pathology

Background:

Long-standing diabetes mellitus leads to multi-organ impairment and tissue degeneration.
Hyperglycemia is implicated in cellular abnormalities and apoptosis in diabetic patients.

Purpose of the Study:

To propose a novel concept linking bone marrow stem cell abnormalities to diabetic complications.
To explore potential new therapeutic avenues for diabetes-associated tissue damage.

Main Methods:

Observation of abnormal cell appearance in bone marrow of diabetic animals.
Analysis of cell fusion between bone marrow-derived cells and various organ cells (hepatocytes, neural, renal).
Assessment of TNFα expression and apoptosis in fused cells.

Main Results:

Hyperglycemia induced abnormal bone marrow cells and cell fusion in diabetic animal models.
Fused cells expressed Tumor Necrosis Factor-alpha (TNFα) and exhibited accelerated apoptosis.
These fusion events were observed in the liver, peripheral nerves, and kidney tubules.

Conclusions:

Bone marrow stem cell abnormalities and subsequent cell fusion are proposed as a causative mechanism for diabetic complications.
This new concept may pave the way for innovative treatments targeting diabetes-associated tissue damage.