Surgical technique for allogeneic uterus transplantation in macaques

Hideaki Obara, Iori Kisu, Yojiro Kato, Yohei Yamada, Kentaro Matsubara, Katsura Emoto, Masataka Adachi, Yusuke Matoba, Kiyoko Umene, Yuya Nogami, Kouji Banno, Hideaki Tsuchiya, Iori Itagaki, Ikuo Kawamoto, Takahiro Nakagawa, Hirohito Ishigaki, Yasushi Itoh, Kazumasa Ogasawara, Yoko Saiki, Shin Ichi SatoKenshi Nakagawa, Takashi Shiina, Daisuke Aoki, Yuukou Kitagawa

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Abstract

No study has reported an animal model of uterus transplantation (UTx) using cynomolgus macaques. We aimed to establish a surgical technique of allogeneic UTx assuming the recovery of a uterus from a deceased donor in cynomolgus macaques. Four allogeneic UTxs were performed in female cynomolgus macaques. Donor surgeries comprised en bloc recovery of organs with iliac vessels on both sides, and/or abdominal aorta/vena cava after sufficient perfusion from one femoral artery or external iliac artery. Before perfusion, 150 mL of whole blood was obtained from the donor for subsequent blood transfusion to the recipient. Four uterine grafts were orthotopically transplanted to recipients. End-to-side anastomosis was performed to the iliac vessels on one side in case 1 and iliac vessels on both sides in case 2; aorto-aorto/cavo-caval anastomosis was performed in cases 3 and 4. Arterial blood flow of the uterine grafts was determined by intraoperative indocyanine green (ICG) angiography. ICG angiography results showed sufficient blood flow to all uterine grafts, and anaemia did not progress. Under appropriate immune suppression, all recipients survived for more than 90 days post-transplantation, without any surgical complications. We describe a surgical technique for allogeneic UTx in cynomolgus macaques.

Original languageEnglish
Article number35989
JournalScientific Reports
Volume6
DOIs
Publication statusPublished - 2016 Oct 27

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Cite this

Obara, H., Kisu, I., Kato, Y., Yamada, Y., Matsubara, K., Emoto, K., Adachi, M., Matoba, Y., Umene, K., Nogami, Y., Banno, K., Tsuchiya, H., Itagaki, I., Kawamoto, I., Nakagawa, T., Ishigaki, H., Itoh, Y., Ogasawara, K., Saiki, Y., ... Kitagawa, Y. (2016). Surgical technique for allogeneic uterus transplantation in macaques. Scientific Reports, 6, [35989]. https://doi.org/10.1038/srep35989