Journal
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS
Volume -, Issue 185, Pages -Publisher
JOURNAL OF VISUALIZED EXPERIMENTS
DOI: 10.3791/63434
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Funding
- German Research Foundation (DFG) [HO2581/4-1]
- National Science Foundation of China (NSFC) [81760291]
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This article introduces the key steps and surgical caveats of kidney transplantation in mice, as well as important modifications to the conventional procedure. The modifications include reducing the risk of ureter necrosis and urinary tract occlusion, flexibly adjusting the size of the vascular anastomosis, and using a non-traumatic technique for donor ureter and recipient bladder anastomosis.
Kidney transplantation in mice is a complicated and challenging surgery procedure. There are very few publications demonstrating the key steps of this operation. Therefore, this article introduces the technique and points out the surgical caveats associated with this operation. In addition, important modifications in comparison to the conventional procedure are demonstrated. Firstly, a patch of the abdominal aorta is cut and prepared so that the proximal bifurcations of the renal artery, including the ureteral artery are transected together with the donor kidney en bloc. This reduces the risk of a ureter necrosis and avoids the development of a urinary tract occlusion. Secondly, a new method of the vascular anastomosis is demonstrated that allows the operator to flexibly increase or decrease the size of the anastomosis after renal transplant reperfusion has already been initiated. This avoids the development of vessel strictures and intraabdominal bleeding. Thirdly, a technique that enables the anastomosis of the delicate donor ureter and the recipient bladder that does not cause a trauma is shown. Adopting this protocol can shorten the operation time and reduces the damage to the recipient's bladder, thereby significantly increasing the operation success rate for the recipient mice.
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