Evaluation of storage conditions on equine adipose tissue-derived multipotent mesenchymal stromal cells.

This research paper evaluates how different storage conditions affect the viability and characteristics of equine adipose tissue-derived multipotent mesenchymal stromal cells (eAd-MSCs), which have potential use in treating certain types of horse injuries. The study finds that these cells are best stored at 4 °C and used within 24 hours.

Study Objectives and Methodology

• The study aimed to investigate how different storage conditions, specifically temperature and duration of storage, affect the viability and characteristics of eAd-MSCs. This stems from the potential therapeutic use of MSCs in treating injuries in horses.
• Storage conditions considered were 4 °C and room temperature, and the duration of storage investigated was 24 and 48 hours.
• The parameters evaluated were cell viability, doubling time (rate of cell division), expression of CD44 and CD90 antigens (markers of MSCs), clonogenic/differentiation potentials (the cells ability to clone itself/differentiate into different cell types), and karyotype (the number and visual appearance of the chromosomes).

Key Findings

• The study found that storage conditions significantly affected eAd-MSC viability, meaning the ability of the cells to live and function efficiently. However, the doubling time was not significantly affected, indicating that the speed at which the cells duplicate remained relatively constant across different conditions.
• Storing the cells at 4 °C resulted in a greater number of viable and morphologically normal cells (cells with normal structure) compared to room temperature storage. This suggests that a cooler storage environment is more conducive to maintaining cell viability.
• The study recommends that these cells should be used within 24 hours of storage to ensure maximum efficiency and viability. Beyond this time frame, the quality of cells is likely to degrade.

Implications

• The outcome of this research carries significance in the field of equine medicine when it comes to using MSCs for therapies. Understanding the optimal storage conditions of these cells is crucial to maintaining their viability and ensuring successful treatment outcomes.
• By highlighting the preferable temperature and duration of storage, the study provides valuable insights that can guide storage practices and optimize the therapeutic use of eAd-MSCs.