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Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

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Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
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Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
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The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...
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Intervertebral Disc Engineering through Exploiting Mesenchymal Stem Cells: Progress and Perspective.

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Mesenchymal stem cells (MSCs) show promise for regenerating degenerated intervertebral discs, potentially avoiding spinal fusion. Research focuses on MSC manipulation and disc progenitor discovery for effective tissue engineering.

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Area of Science:

  • Regenerative Medicine
  • Biomaterials Science
  • Spinal Surgery

Background:

  • Intervertebral disc degeneration is a common cause of low back pain and sciatica.
  • Degeneration involves extracellular matrix loss and dehydration, impairing disc function and leading to collapse or herniation.
  • Mesenchymal stem/stromal cells (MSCs) are readily available and expandable, with potential for differentiating into disc-like cells.

Conclusions:

  • MSC-based strategies hold significant potential for intervertebral disc regeneration.
  • Further research into disc progenitor cells is crucial for optimizing MSC therapies.
  • Stem cell engineering may preserve motion segment function and treat degenerative disc disease without fusion.