Medication effects on pulmonary thromboembolism in mice intravenously transplanted with canine adipose tissue-derived mesenchymal stem cells

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IMPORTANCE: The intravenous administration of adipose tissue-derived mesenchymal stem cells (AdMSCs) in veterinary medicine is a promising regenerative therapy, but it can lead to severe complications, including pulmonary thromboembolism (PTE). OBJECTIVE: As part of an ongoing study, this study examined the impact of medications, such as heparin, aspirin, and sodium nitroprusside (SNP), on the factors linked to PTE after an intravenous injection of canine mesenchymal stem cell into experimental animals. METHODS: Fluorescently labeled canine AdMSCs were administered intravenously into the tail veins of five-week-old male BALB/c hairless mice. This study compared the survival rates, biodistribution, platelet counts, D-dimer levels, and histological examination results among the drug treatment experimental and the control groups. RESULTS: = 0.029). CONCLUSIONS AND RELEVANCE: Heparin was highly effective, with no PTE-related deaths observed when used alongside cell injections. Aspirin revealed moderate effectiveness, surpassing the control group. On the other hand, the efficacy of SNP was inferior to that of the other two drugs.

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