Allogeneic stem cells derived from umbilical cord tissue, placenta, and umbilical cord blood have shown potential in treating delayed systemic aging and aging-related diseases. Aging induces cellular senescence, oxidative stress, chronic inflammation, and stem cell depletion, all of which contribute to tissue damage and functional decline. Recent advances in regenerative medicine suggest that allogeneic stem cells can mitigate these aging processes through immunomodulation and tissue regeneration. In particular, umbilical cord-derived mesenchymal stem cells have gained attention for clinical applications owing to their strong immunomodulatory properties and low immunogenicity. These cells can repair damaged tissues and enhance metabolic and cognitive function by secreting various cytokines, growth factors, and exosomes, offering potential treatment for aging-related conditions such as osteoporosis and neurodegenerative disorders. Both clinical and preclinical studies indicate that allogeneic stem cells play a critical role in alleviating these diseases, including osteoporosis, osteoarthritis, cardiovascular diseases, and neurodegenerative disorders. Despite their therapeutic potential, challenges remain, such as immune compatibility, long-term safety, and the lack of standardized protocols for large-scale production. This review outlines the biological mechanisms by which allogeneic stem cells contribute to delayed aging, summarizes current clinical research, and explores future prospects. Allogeneic stem cells may offer novel strategies for delaying aging and extending lifespan.
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Background: This study was done to examine the impact of diabetes fear of self-injecting (FSI) and fear of self-testing (FST) on glycemic control and diabetes self-management. Methods: A questionnaire survey was performed in the form of one-on-one interviews with 100 insulin-treated diabetic patients. The questions included subject traits, FSI/FST, and confidence in diabetes self-care (CIDS). Glycemic control was determined by the measurement of glycated hemoglobin (Hemoglobin A1C). Results: The patients who did not have a spouse and were less well educated showed high FSI/FST scores and low CIDS scores. The patients who had taken high quantities of insulin, had diabetes related complications, and performed self-monitoring of blood glucose less frequently showed high FSI/FST scores. The patients who had received diabetes education, possessed glucometer and performed self-monitoring of blood glucose frequently had high CIDS scores. High FSI/FST scores were positively related to each other, negatively related to low CIDS scores and not significantly related to Hemoglobin A1C. On the other hand, a significant correlation was seen between CIDS scores and Hemoglobin A1C. Conclusion: High levels of FSI and/or FST were associated with high diabetes-related distress, poor general well-being, and psychologic comorbidity as well as poorer adherence to the diabetes treatment regimen. It is important in diabetes care to lower injection-related fears and improve diabetes self-management through systematic desensitization, relaxation therapy, the use of pen- type injection device, and proper education such as insulin injection amount adjustment, properties of insulin, and the risk of hypoglycemia for the patients and their families. (J Korean Acad Fam Med 2008;29:768-780)
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