In brief, sections were dewaxed and rehydrated by xylol and acohol. Statistical significance was determined using one-way ANOVAs or Students t tests. For example, if using a dose of 1 U kg -1 , a concentration of 0.2 U ml -1 is suitable. [2], There has been some debate on whether intraperitoneal injections are the best route of administration for experimental animal studies. In humans respiratory side-effects were reported in five subjects taking mefloquine, but these cases constituted only 0.1% of studied population (Lobel et al., 2001). PubMed Google Scholar. The fate of human peripheral blood lymphocytes after - PubMed evaluated the therapeutic efficacy of different MSCs sources and delivery routes in experimental emphysema37. Proper Method for Intraperitoneal Injections Therapeutic strategies should be based on a sound and thorough understanding of the disease mechanisms, if possible, however the causes of IBD are still unclear6. Horwitz, E. M. et al. Subcutaneous Compared with Intraperitoneal Ketamine-Xylazine for Intraperitoneal injections may also allow too-rapid entry of bacteria or LPS into the blood. Gastroenterology 140, 17851794, doi: 10.1053/j.gastro.2011.01.055 (2011). It was concluded that there is evidence that IP may not be the best method of euthenasia due to possibilities of missinjection. Intraperitoneal injections are the preferred method of administration in many experimental studies due to the quick onset of effects post injection. In our study, we found inflamed colon could induce more MSCs engraftment than heathy colon, which partly supported this hypothesis, since inflamed colon has been reported of releasing variety of chemotactic cytokines26. To obtain [16] This study shows how intraperitoneal injections can be more effective and beneficial than other traditional routes of administration. Additionally, the clinical translation is another concern. Researchers has tried many creative ways to minimize these risks. However, most of these studies were focus on its therapeutic effects or mechanisms. Just mentioned above, immune cells and MSCs interaction in aggregates promotes TSG-6 secretion and contributed to the colitis recovery. Dou, S., Smith, M., Wang, Y., Rusckowski, M. & Liu, G. Intraperitoneal injection is not always a suitable alternative to intravenous injection for radiotherapy. MSCs have been well characterized regarding their ability to produce a range of cell cytokines, which have a profound effect on modulating the immune system. Proceedings of the National Academy of Sciences of the United States of America 99, 89328937, doi: 10.1073/pnas.132252399 (2002). It is estimated that as many as 1.4million Americans and 2.4million Europeans are suffering from these diseases1,2. In most experimental studies, the MSCs treatment usually require at least 1106 cells/mouse, more frequently, a dose as high as 5106 cells/mouse to observe any effect12.
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