Effect of platelet lysate on Schwann-like cell differentiation of equine bone marrow-derived mesenchymal stem cells.

This study investigates the potential of using equine platelet lysate to support the differentiation of equine mesenchymal stem cells into Schwann-like cells, which are necessary for nerve repair. The researchers found that the platelet lysate is conducive to creating these cells and could potentially be applied for the treatment of equine motor neuron disease and even in human conditions like amyotrophic lateral sclerosis.

Methodology and Observation

• The study was designed to evaluate a treatment for peripheral nerve injuries in horses based on a method already in use for humans, involving the transformation of mesenchymal stem cells (MSCs) into Schwann-like cells.
• Two different cultures of these Schwann-like cells were prepared: one using fetal bovine serum (FBS) and the other using equine platelet lysate (ePL). The use of ePL led to an increase in platelet count, which was considered optimal for the culture.
• Observation under a microscope showed that cells in both groups developed an elongated appearance at both ends, a characteristic of Schwann cells.

Comparative Analysis and Findings

• A comparative analysis was conducted between the two groups using real-time polymerase chain reaction (PCR) to measure gene expression levels. It was observed that the platelet lysate group had a higher expression of Nestin, Musashi1, and Pax3- genes that are associated with nerve cells.
• The p75 gene, which plays a role in cell death and survival, was expressed at low levels in both groups.
• Immunostaining revealed Nestin localization in both cultures, but significantly more so in the ePL group.

Implication of Study and Future Application

• The study indicates that use of ePL for Schwann-like cell differentiation yields better results than FBS.
• The findings from this study could be beneficial in treating equine peripheral nerve injuries.
• Furthermore, this study has potential translational implications for human diseases such as amyotrophic lateral sclerosis, which is characterized by degeneration of motor neurons in the brain and spinal cord.