ABSTRACT
Despite the significance of adipose-derived stem cells in complementary and regenerative medicine, studies regarding clinical safety for allogeneic intravenous administration in healthy dogs remain insufficiently conducted. This study aimed to assess cellular viability through laboratory and microbiological evidence, along with genetic markers, in addition to evaluating clinic-laboratory safety for allogeneic intravenous administration of adipose-derived stem cells in healthy dogs. To achieve this, two cell batches and eight dogs were included in the study. The results revealed positive genetic markers for CD29, CD44, CD105, SOX2, and OCT3.4. Both batches exhibited positive cell differentiation into adipocytes, chondrocytes, and osteoblasts. Microbiological evidence showed negative results, and cell viability after thawing indicated 92% and 88.5% viable cells after 30 minutes, and 86% and 83.5% after 24 hours, respectively, for both batches. Hematological cell counts and serum biochemical enzyme levels, before and after intravenous treatment, did not exhibit statistical differences between the time points (p>0.05). Median values remained within the reference range for the species during and after 30 days of treatment. Based on the cellular viability results, observed patterns, and the absence of hematological side effects, it can be concluded that intravenous therapy with allogeneic adipose-derived stem cells is clinically safe.
Keywords:
hematology; stem cell research; patient safety; cellular therapy; cellular viability
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