Cytori Therapeutics (NASDAQ:CYTX) announced that three oral presentations related to its cell therapy are being presented today at the 10 th annual International Federation for Adipose Therapeutics and Sciences meeting. The findings provide insights into the mechanisms-of-action for Cytori’s cell therapy. One study identified high levels of micro-RNA (miRNA) markers in human tissue thought to play a role in the repair of tissue injury resulting from ischemia, or lack of blood flow. Two additional characterization and comparative analysis studies on human tissue reaffirmed cellular characteristics of Cytori’s cell therapy and distinguished the safety, viability and cell make-up as compared to cell outputs derived from alternate approaches.
“Results from all three studies have important implications for how the cells repair injured tissue and on the safety and viability of cell-based treatments derived from adipose tissue,” said John Fraser, Ph.D., Chief Scientist of Cytori Therapeutics. “Mechanisms identified in our miRNA analysis are consistent with our prior clinical and preclinical data, which suggest these mechanisms include angiogenesis, immune-modulation, and remodeling and wound repair. The miRNA study provides baseline data, which we can apply to our U.S. ATHENA clinical trial in refractory heart failure patients and other activities including our recently announced contract with BARDA for thermal burns.”
In one study, miRNA profiles were assessed in adipose-derived stem and regenerative cells (ADRCs) derived from human tissue samples. The purpose was to determine which miRNA markers are expressed, miRNA variability from patient to patient, cellular functions of miRNA, and to establish a baseline miRNA population on healthy patients to compare against patients with a specific disease. Specifically, miRNA markers associated with angiogenesis, tissue remodeling and wound repair, and modulation of the immune response were found to be highly represented in ADRCs.
“Our two additional characterization and comparative analysis studies evaluated alternate processing techniques and reaffirmed our proprietary enzyme-based process using Celution® is the clear gold standard,” added Dr. Fraser. “If the composition of a cell population extracted from adipose tissue by an alternative process is not equivalent to Cytori’s ADRC population, one cannot claim equivalence to ADRCs in terms of safety or efficacy in preclinical or clinical outcomes.”
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