期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 24, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/ijms24076372
关键词
MSC-secretome; immunomodulatory; SASP; pro-inflammatory cytokines
Life expectancy and age-related diseases burden have significantly increased in recent decades. The majority of age-associated ailments, such as diabetes, cardiovascular diseases, and neurodegeneration, are closely related to tissue nonspecific inflammation triggered by mesenchymal stromal cell secretion. The secretion of mesenchymal stromal cells has been proposed as an ideal tool for cell-free regenerative therapy and tissue engineering, but senescent mesenchymal stromal cells' secretome plays a key role in inflammaging.
Life expectancy and age-related diseases burden increased significantly over the past few decades. Age-related conditions are commonly discussed in a very limited paradigm of depleted cellular proliferation and maturation with exponential accumulation of senescent cells. However, most recent evidence showed that the majority of age-associated ailments, i.e., diabetes mellitus, cardiovascular diseases and neurodegeneration. These diseases are closely associated with tissue nonspecific inflammation triggered and controlled by mesenchymal stromal cell secretion. Mesenchymal stromal cells (MSCs) are known as the most common type of cells for therapeutic approaches in clinical practice. Side effects and complications of MSC-based treatments increased interest in the MSCs secretome as an alternative concept for validation tests in regenerative medicine. The most recent data also proposed it as an ideal tool for cell-free regenerative therapy and tissue engineering. However, senescent MSCs secretome was shown to hold the role of 'key-driver' in inflammaging. We aimed to review the immunomodulatory effects of the MSCs-secretome during cell senescence and provide eventual insight into the interpretation of its beneficial biological actions in inflammaging-associated diseases.
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