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Thread: Intraspinal Delivery of Schwann Cells for Spinal Cord Injury.

  1. #1

    Intraspinal Delivery of Schwann Cells for Spinal Cord Injury.

    Methods Mol Biol. 2018;1739:467-484.

    Intraspinal Delivery of Schwann Cells for Spinal Cord Injury.

    Santamar?a AJ1, Solano JP2, Benavides FD1, Guest JD3,4.

    Author information
    Cell transplant-mediated tissue repair of the damaged spinal cord is being tested in several clinical trials. The current candidates are neural stem cells, stromal cells, and autologous Schwann cells (aSC). Due to their peripheral origin and limited penetration of astrocytic regions, aSC are transplanted intralesionally as compared to neural stem cells that are transplanted into intact spinal cord. Injections into either location can cause iatrogenic injury, and thus technical precision is important in the therapeutic risk-benefit equation. In this chapter, we discuss how we bridged from transplant studies in large animals to human application for two Phase 1 aSC transplant studies, one subacute and one chronic. Preclinical SC transplant studies conducted at the University of Miami in 2009-2012 in rodents, minipigs, and primates supported a successful Investigational New Drug (IND) submission for a Phase 1 trial in subacute complete spinal cord injury (SCI). Our studies optimized the safety and efficiency of intralesional cell delivery for subacute human SCI and led to the development of new simpler techniques for cell delivery into subjects with chronic SCI. Key parameters of delivery methodology include precision localization of the injury site, stereotaxic devices to control needle trajectory, method of entry into the spinal cord, spinal cord motion reduction, the volume and density of the cell suspension, rate of delivery, and control of shear stresses on cells.
    “As the cast of villains in SCI is vast and collaborative, so too must be the chorus of hero's that rise to meet them” Ramer et al 2005

  2. #2
    Senior Member lynnifer's Avatar
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    Well, I'd hate to lose more function trying to gain it!

    I truly wonder what Dr Silver's opinion on this paper would be.
    Roses are red. Tacos are enjoyable. Don't blame immigrants, because you're unemployable.

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