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https://www.selleckchem.com/products/pf-2545920.html Experimental rabbits provide evidence for translational research regarding the pathogenies or treatment of human diseases. We developed a novel method for regenerating the middle ear mucosa using autologous cultured nasal mucosal epithelial cell sheets, and evaluated the wound healing process in the middle ear mucosa of experimental rabbits. Nonetheless, vigilant microbiological monitoring of experimental animals is essential to effectively prevent a decline in their health conditions, which may affect the research results. We experimented with contamination of Pasteurella multocida in non-specific-pathogen-free (SPF) rabbits (without microbiological monitoring). Most non-SPF rabbits had otitis media, whereas SPF rabbits did not, which affected their results during the mucosal regeneration study. The contamination was resolved by changing the experimental design from using non-SPF rabbits to that using SPF rabbits. It is crucial to use the SPF animals for any surgical intervention studies.Introduction Mesenchymal stem cells (MSCs) have always been the center of the experimental exploration of regenerative therapy together with other stem cells. Among with, peripheral blood-derived mesenchymal stem cells (PBMSCs) have been regarded as promising in clinical applications for its convenience of acquisition from peripheral blood. However, few reported experiments so far to elucidate the exact mechanisms of how PBMSC influence regeneration. As the ability of immunomodulatory is one of the crucial features that influence MSC to reconstruct impaired tissue, we decided to focus on the immunomodulatory abilities of PBMSCs and conducted experiments associated with macrophages and T lymphocytes, which are two main cell types that dominate the innate and acquired immunity. Therefore, a basis can be made from these experiments for applications of PBMSCs in regenerative therapy in the future. Methods A Transwell system was used

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