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https://www.readbyqxmd.com/read/28930707/re-evaluating-the-ethics-of-uterine-transplantation
#1
Danish Zaidi
In February 2016, the Cleveland Clinic initiated the first attempt at cadaveric uterine transplantation (UTx) in the United States. The transplantation was ultimately unsuccessful, but it opened doors for further research on both live and cadaveric UTx. While initial strides toward successful transplantation have been made, questions persist on the ethics of UTx: whether the uterus is a vital organ, whether we should prioritize live or cadaveric options, and how the procedure should be covered by health insurance...
2017: Journal of Clinical Ethics
https://www.readbyqxmd.com/read/28867879/uterus-transplant-does-it-have-legs
#2
EDITORIAL
C V Hegde
No abstract text is available yet for this article.
October 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28862272/impact-of-uterus-transplant-on-fetuses-and-resulting-children-a-response-to-daar-and-klipstein
#3
COMMENT
John A Robertson
No abstract text is available yet for this article.
December 2016: Journal of Law and the Biosciences
https://www.readbyqxmd.com/read/28858421/deceased-donor-uterus-retrieval-a-novel-technique-and-workflow
#4
G Testa, T Anthony, G McKenna, E C Koon, K Wallis, G B Klintmalm, J C Reese, L Johannesson
Uterus transplantation has proven successful when performed with a living donor. Subsequently, interest in the novel field of reproductive transplantation is growing. The procedure is still considered experimental, with fewer than 25 cases performed worldwide, and the techniques of both uterus procurement and transplantation are still developing. We detail a new approach to deceased donor uterus procurement. In contrast to reported techniques and our own initial experience, in which the deceased donor uterus was procured post cross-clamp and after other organs were procured, our approach now is to perform the uterus procurement prior to the procurement of other organs in a multiorgan donor and hence prior to cross-clamp...
August 31, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28857844/the-ethical-challenges-of-uterus-transplantation
#5
Giuliano Testa, Liza Johannesson
PURPOSE OF REVIEW: As the techniques of uterus transplantation have evolved, culminating in a birth in 2014, the ethical debate has been enriched by several considerations. Uterus transplantation raises issues because of its unique features of being temporary, nonlifesaving, experimental, and expensive, with established alternatives. RECENT FINDINGS: Uterus transplantation entails risks for the recipient related to multiple surgeries and immunosuppression, yet studies have shown that women see infertility as a distressing element in their lives, justifying the risks...
August 28, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28854716/livebirth-and-utero-placental-insufficiency-in-papio-hamadryas-baboons-with-uterus-angiosome-perfused-by-bilateral-utero-ovarian-microsurgical-anastomoses-alone
#6
B Beran, K Arnolds, M Shockley, K Rivas, M Medina, P F Escobar, A Tzakis, T Falcone, M L Sprague, S Zimberg
STUDY QUESTION: Can the baboon uterus support a gestation to livebirth with an angiosome using microsurgically anastomosed utero-ovarian vessels and lacking uterine arteries and veins? SUMMARY ANSWER: Our angiosome model allows healthy livebirth albeit with risk of fetal growth restriction and stillbirth. WHAT IS KNOWN ALREADY: Uterine transplant can provide livebirth in humans, but requires a living donor to undergo a prolonged laparotomy for hysterectomy...
September 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28852541/uterus-transplantation-does-procreative-liberty-encompass-a-right-to-gestate
#7
COMMENT
Amel Alghrani
No abstract text is available yet for this article.
December 2016: Journal of Law and the Biosciences
https://www.readbyqxmd.com/read/28821413/uterine-transplantation-surgical-innovation-in-the-treatment-of-uterine-factor-infertility
#8
REVIEW
R Flyckt, A Davis, R Farrell, S Zimberg, A Tzakis, T Falcone
Uterine factor infertility (UFI) is a condition that affects thousands of women and is estimated to have a prevalence as high as one in five hundred reproductive-aged women. A wide range of circumstances can lead to UFI and include women with congenital absence of a uterus (Mayer Rokitansky Kuster Hauser or MRKH syndrome), women who have undergone iatrogenic removal of the uterus, or women who have uteri that are in situ but have been damaged by infection or surgical instrumentation. There have been 17 published reports of human uterine transplantation in the world...
August 15, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28812977/uterus-transplants-in-india-yawning-regulatory-gaps
#9
EDITORIAL
Sandhya Srinivasan
No abstract text is available yet for this article.
July 2017: Indian Journal of Medical Ethics
https://www.readbyqxmd.com/read/28804623/recent-advances-in-the-molecular-mechanisms-of-mayer-rokitansky-k%C3%A3-ster-hauser-syndrome
#10
Keiko Watanabe, Yusuke Kobayashi, Kouji Banno, Yusuke Matoba, Haruko Kunitomi, Kanako Nakamura, Masataka Adachi, Kiyoko Umene, Iori Kisu, Eiichiro Tominaga, Daisuke Aoki
Mayer-Rokitansky-Küster-Hauser syndrome (MRKHS) is a disease caused by congenital absence of the uterus and two-thirds of the upper vagina. The pathogenic mechanism of MRKHS may involve gene abnormalities, and there are various case reports associating MRKHS with the Wnt family member 4 (Wnt4) mutation. Analysis of genes mapped to regions in which deletion and duplication are frequently detected in patients with MRKHS has shown involvement of LIM homeobox 1 (LHX1), HNF1 homeobox B (HNF1B) and T-box 6 (TBX6)...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28782281/systemic-administration-of-bone-marrow-derived-cells-leads-to-better-uterine-engraftment-than-use-of-uterine-derived-cells-or-local-injection
#11
Ying Liu, Reshef Tal, Nicola Pluchino, Ramanaiah Mamillapalli, Hugh S Taylor
Stem cells are recruited to the uterus where they differentiate into endometrial cells and have been suggested as potential therapy for uterine injury such as Asherman's syndrome. However, it is unknown whether local intrauterine injection may result in better stem cell engraftment of the uterus compared with systemic administration, and whether uterine-derived cells (UDCs) may confer an advantage over BM-derived cells (BMDCs). Mice underwent local injury to a single uterine horn. Green fluorescent protein (GFP)-expressing BMDCs, UDCs or saline (control) were injected either intravenously or locally (uterine lumen) into wild-type recipients...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28776178/protocols-for-rat-uterus-isolation-and-decellularization-applications-for-uterus-tissue-engineering-and-3d-cell-culturing
#12
Arvind Manikantan Padma, Tom Tristan Tiemann, Ahmed Baker Alshaikh, Randa Akouri, Min Jong Song, Mats Hellström
Sophisticated culturing conditions are required to grow cells in a three-dimensional (3D) environment. Cells then require a type of scaffold rich in proteins, growth factors, and signaling molecules that simulates their natural environment. Tissues from all species of animals have an organ-specific extracellular matrix (ECM) structure that plays a key role in cell proliferation and migration. Hence, the scaffold composition plays a significant role for any successful 3D cell culturing system. We developed a whole rat uterus ECM scaffold by the perfusion of detergents and ionic solutions through the vascular system of an isolated normal rat uterus in a process termed "decellularization...
August 4, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28697917/the-future-of-human-uterine-transplantation-can-minimally-invasive-techniques-provide-a-uterus-suitable-for-transplant
#13
EDITORIAL
Tommaso Falcone, Ruth M Farrell, Rebecca Flyckt
No abstract text is available yet for this article.
July 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28683576/womb-transplants-with-live-births-an-update-and-the-future
#14
Mats Brännström
Absolute uterine factor infertility, with a uterine absence or presence of a nonfunctional uterus, has during the last decades been the only remaining, major group of female infertility. Uterus transplantation (UTx) has now emerged as the first therapy for these women that have traditionally been regarded as unconditionally infertile. Areas covered: This review summarizes the research preparations in several experimental animal species that paved the way for the clinical introduction of UTx. The article also describes the human UTx attempts that have been reported up until today and the several live births that have occurred after the initial UTx baby was born in 2014...
July 6, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28627595/elevated-expression-of-transient-receptor-potential-vanilloid-type%C3%A2-1-in-dorsal-root-ganglia-of-rats-with-endometriosis
#15
Yu-Ling Lian, Ming-Jun Cheng, Xian-Xia Zhang, Li Wang
Pain is the most pronounced complaint of women with endometriosis, however the underlying mechanism is still poorly understood. In the present study, the authors evaluate the effect of transient receptor potential vanilloid type 1 (TRPV1) of dorsal root ganglia (DRG) on endometriosis-associated pain. A total of 36 SD rats were randomly divided into a sham group (n=9) and a Model group (n=27), accepted auto‑transplanted pieces of fat or uterus to the pelvic cavity. At 4 weeks, the Model group was randomly subdivided into the following groups: ENDO group (no treatment, n=9), BCTC group (Model + BCTC, an antagonist of TRPV1, n=9), Vehicle group (Model + cyclodextrin, the vehicle of BCTC, n=9)...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28585775/the-roles-of-the-pd-1-pd-l1-pathway-at-immunologically-privileged-sites
#16
Li-Ling Wang, Zhi-Hui Li, Xiao-Hui Hu, Kahinho P Muyayalo, Yong-Hong Zhang, Ai-Hua Liao
The PD-1/PD-L1 pathway plays a vital role in the maintenance of peripheral tolerance, promoting the development and function of regulatory T cells, and maintaining the quiescence of autoreactive T cells. Abnormalities in this inhibitory pathway are involved in the pathogenesis of some disorders such as tumours, autoimmune diseases, pregnancy complications, and transplantation rejection. Immune privilege represents a special immunological condition, where foreign antigens can be tolerated and do not elicit an immune response...
June 6, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28535402/uterus-tolerance-to-extended-cold-ischemic-storage-after-auto-transplantation-in-ewes
#17
Jérémy Tricard, Sébastien Ponsonnard, Yannick Tholance, Laura Mesturoux, Denis Lachatre, Claude Couquet, Faraj Terro, Catherine Yardin, Pierre Marquet, Alessandro Piccardo, Tristan Gauthier
OBJECTIVE: To assess how the uterus tolerates extended cold ischemic storage before auto-transplantation in ewes. STUDY DESIGN: Fourteen uterine auto-transplantations were performed in ewes from November 2014 to June 2015 at the Analysis and Research Laboratory of Limoges, France. The animals were divided into 2 groups: 7 after 3h of cold ischemia timeand 7 after 24h. Transplant was assessed ≥8days after transplantation. Histology and apoptosis analyses (TUNEL method and indirect immunohistochemistry of cleaved Caspase 3) were performed before uterus retrieval (control), after 90min following reperfusion and ≥8days after transplantation...
May 16, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28457377/ethical-issues-in-uterine-transplantation-psychological-implications-and-informed-consent
#18
C Petrini, S Gainotti, A Morresi, A Nanni Costa
Since 2000, 13 uterine transplantations (UTxs) have been performed in women with absolute uterine infertility factor (AUIF), from both living and deceased donors, in different transplantation centers worldwide. At present the birth of 4 children following UTx is documented by the literature, and a woman was having a second pregnancy in October 2015. Following these successes it is likely that the procedure will become part of normal healthcare practice, even though at the moment it is still experimental and, as such, requires careful attention...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28434104/mullerian-dysgenesis-a-critical-review-of-the-literature
#19
REVIEW
Souzana Choussein, Dimitrios Nasioudis, Dimitrios Schizas, Konstantinos P Economopoulos
PURPOSE: To present an update of the genetic, clinical, diagnostic, and therapeutic aspects of Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome. METHODS: Studies were considered eligible if they have evaluated patients with MRKH syndrome. Eligible articles were identified by a search of MEDLINE bibliographical database from 1950 to August 2016. A purely descriptive approach was adopted concerning all outcomes examined by the individual studies. RESULTS: MRKH syndrome is defined as congenital aplasia of the upper vagina and impairment of uterine development in normal 46XX females...
June 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28432742/living-donor-uterus-transplantation-a-single-center-s-observations-and-lessons-learned-from-early-setbacks-to-technical-success
#20
G Testa, E C Koon, L Johannesson, G J McKenna, T Anthony, G B Klintmalm, R T Gunby, A M Warren, J M Putman, G dePrisco, J M Mitchell, K Wallis, M Olausson
Uterus transplantation is a vascularized composite allograft transplantation. It allows women who do not have a uterus to become pregnant and deliver a baby. In this paper, we analyze the first five cases of living donor uterus transplantation performed in the United States. The first three recipients lost their uterus grafts at days 14, 12, and 6, respectively, after transplant. Vascular complications, related to both inflow and outflow problems, were identified as the primary reason for the graft losses. Two recipients, at 6 and 3 mo, respectively, after transplant, have functioning grafts with regular menstrual cycles...
April 22, 2017: American Journal of Transplantation
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