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Uterus transplantation

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https://www.readbyqxmd.com/read/28432742/living-donor-uterus-transplantation-a-single-center-s-observations-and-lessons-learned-from-early-setbacks-to-technical-success
#1
G Testa, E C Koon, L Johannesson, G 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 5 cases of Living Donor Uterus Transplantation performed in the US. The first 3 recipients lost their uterus grafts at day 14, 12 and 6 after transplant. Vascular complications, related to both inflow and outflow problems, were identified as the primary reason for the graft losses. Two recipients, 6 and 3 months post-transplant have functioning grafts with regular menstrual cycles...
April 22, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28424230/a-quiet-revolution-in-organ-transplant-ethics
#2
Arthur Caplan, Duncan Purves
A quiet revolution is occurring in the field of transplantation. Traditionally, transplants have involved solid organs such as the kidney, heart and liver which are transplanted to prevent recipients from dying. Now transplants are being done of the face, hand, uterus, penis and larynx that aim at improving a recipient's quality of life. The shift away from saving lives to seeking to make them better requires a shift in the ethical thinking that has long formed the foundation of organ transplantation. The addition of new forms of transplants requires doctors, patients, regulators and the public to rethink the risk and benefit ratio represented by trade-offs between saving life, extending life and risking the loss of life to achieve improvements in the quality of life...
April 19, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28420433/umbilical-cord-derived-mesenchymal-stem-cells-on-scaffolds-facilitate-collagen-degradation-via-upregulation-of-mmp-9-in-rat-uterine-scars
#3
Lu Xu, Lijun Ding, Lei Wang, Yun Cao, Hui Zhu, Jingjie Lu, Xin'an Li, Tianran Song, Yali Hu, Jianwu Dai
BACKGROUND: Severe injuries of the uterus may trigger uterine scar formation, ultimately leading to infertility or obstetrical complications. To date, few methods have adequately solved the problem of collagen deposition in uterine scars. Umbilical cord-derived mesenchymal stem cells (UC-MSCs) have shown great promise in clinical applications. The objective of this study was to investigate the effect of a scaffold/UC-MSCs construct on collagen degradation and functional regeneration in rat uterine scars following full-thickness excision of uterine walls...
April 18, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28395322/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#4
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
January 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28390109/vascularized-composite-allograft-vca-donation-and-transplantation-a-survey-of-public-attitudes-in-the-united-states
#5
James R Rodrigue, David Tomich, Aaron Fleishman, Alexandra K Glazier
Vascularized composite allograft (VCA) transplantation has emerged as a groundbreaking surgical intervention to return identity and function following traumatic injury, congenital deformity, or disfigurement. While public attitudes toward traditional organ/tissue donation are favorable, little is known about attitudes toward VCA donation and transplantation. A survey was conducted of 1,485 U.S. residents in August 2016 to assess VCA donation attitudes. Participants also completed the Revised Health Care System Distrust Scale...
April 8, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28361801/uterus-transplants-and-their-ethical-implications
#6
Carlo Petrini, Assuntina Morresi
Early experiments in womb transplants have increased interest in the possibility of performing this procedure in women who have no womb, usually for congenital reasons. The present article describes past experiments and summarises the most relevant reference documents before indicating the key ethical implications involved in womb transplants.
January 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28361724/sex-before-the-state-civic-sex-reproductive-innovations-and-gendered-parental-identity
#7
Timothy F Murphy
Certain changes in the way that states classify people by sex as well as certain reproductive innovations undercut the rationale for state identification of people as male or female in signifying gendered parental relationships to children. At present, people known to the state as men may be genetic mothers to their children; people known to the state as women may be genetic fathers to their children. Synthetic gametes would make it possible for transgender men to be genetically related to children as fathers and transgender women to be genetically related to children as mothers, even if they have otherwise relied on naturally-occurring gametes to be genetic mothers and genetic fathers of children respectively...
April 2017: Cambridge Quarterly of Healthcare Ethics: CQ: the International Journal of Healthcare Ethics Committees
https://www.readbyqxmd.com/read/28357688/uterus-transplantation-and-beyond
#8
Mats Brännström
Uterus transplantation is today the only available treatment for absolute uterine factor infertility which is caused by either congenital/surgical uterine absence or that a present uterus is non-functioning. Structured animal-based research, from rodents to nonhuman primates, was the scientific basis for a successful introduction of uterus transplantation as a clinical procedure. The patient groups for uterus transplantation, the preclinical research and data from the published human cases will be covered herein...
May 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28355364/sheep-model-for-uterine-transplantation-the-best-option-before-starting-a-human-program
#9
Wellington Andraus, Dani Ejzenberg, Rafael Miyashiro Nunes Dos Santos, Luana Regina Baratelli Carelli Mendes, Rubens Macedo Arantes, Edmund Chada Baracat, Luiz Augusto Carneiro D'Albuquerque
OBJECTIVE: This study reports the first four cases of a uterine transplant procedure conducted in sheep in Latin America. The aim of this study was to evaluate the success of uterine transplantation in sheep. METHOD: The study was conducted at Laboratory of Medical Investigation 37 (LIM 37) at the University of São Paulo School of Medicine. Four healthy mature ewes weighing 40-60 kg were used as both the donor and recipient for a transplant within the same animal (auto-transplant)...
March 2017: Clinics
https://www.readbyqxmd.com/read/28339553/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#10
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
December 27, 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/28283262/uterine-viability-in-the-baboon-after-ligation-of-uterine-vasculature-a-pilot-study-to-assess-alternative-perfusion-and-venous-return-for-uterine-transplantation
#11
Marie Shockley, Katrin Arnolds, Benjamin Beran, Krishna Rivas, Pedro Escobar, Andreas Tzakis, Tommaso Falcone, Michael L Sprague, Stephen Zimberg
OBJECTIVE: To assess, in two separate groups of baboons, uterine viability after ligation of the uterine veins and uterine viability after ligation of both the uterine arteries and veins, respectively. DESIGN: Prospective, observational study. SETTING: Baboon breeding colony. ANIMAL(S): Six naïve female Papio hamadryas baboons with indicators of normal reproductive function. INTERVENTION(S): Three baboons underwent surgical interruption of the uterine veins bilaterally, and three baboons underwent surgical interruption of the uterine arteries and the uterine veins bilaterally...
April 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28264580/-ethical-aspects-of-uterus-transplantation
#12
Roman Chmel, Marta Nováčková, Zlatko Pastor, Jan Matěcha, Miloš Čekal, Jiří Froněk
Uterus transplantation is an experimental treatment method with an ambition to become accepted treatment modality for women with absolute uterine factor infertility. The only legal alternative for these women to get parenthood is adoption which is accepted by most world societies and countries. Surrogate pregnancy is connected with many medical, ethical, legal, religious and social controversies in the great part of the world.Donors (in living donation), recipients, partners and also unborn children must be incorporated into the analysis of ethical risks and benefits of uterus transplantation...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28264579/-possibility-of-uterus-transplantation-trial-in-czech-republic-indications-research-and-clinical-experience
#13
Roman Chmel, Marta Nováčková, Zlatko Pastor, Jan Matěcha, Miloš Čekal, Jiří Froněk
Uterus transplantation is a novel experimental method of female infertility treatment. It is an appropriate treatment modality for women with absolute uterine factor infertility - congenital uterine malformations, absent uterus, hysterectomized women and non-functional uterus.Successful animal studies confirming the safety and efficacy were performed before introduction of uterus transplantation into human medicine. The first clinical trial was performed in 2012-2013 in Gothenburg, Sweden. The first child from the transplanted womb was delivered in 2014...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28241259/us-uterus-transplant-trials-under-way
#14
Bridget M Kuehn
No abstract text is available yet for this article.
March 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28222080/patient-inspired-research-a-better-way-to-go
#15
(no author information available yet)
Recently, I attended a meeting of the Oncofertility Consortium and had one of those "a-ha" moments that change one's perspective in a very real way. A surgeon from Sweden was talking about uterus transplantations, and she described how these came about. She told a story about one of her colleagues, who was talking to a young woman who had cervical cancer and had a hysterectomy. The patient asked the physician if they could give her a "new" uterus so that one day she could have a biological child. The physician told her that was not possible and the patient responded, "Why not?" That prompted the physician to start a new field of research, uterine transplantation, that has had some early successes, as well as many failures...
March 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28192253/hematopoietic-stem-cell-transplantation-using-preimplantation-genetic-diagnosis-and-human-leukocyte-antigen-typing-for-human-leukocyte-antigen-matched-sibling-donor-a-turkish-multicenter-study
#16
Emin Kurekci, Alphan Küpesiz, Sema Anak, Gülyüz Öztürk, Orhan Gürsel, Serap Aksoylar, Talia Ileri, Barış Kuşkonmaz, İbrahim Eker, Mualla Cetin, Gülsün Tezcan Karasu, Zühre Kaya, Tunç Fışgın, Mehmet Ertem, Savaş Kansoy, Mehmet Akif Yeşilipek
Preimplantation genetic diagnosis involves the diagnosis of a genetic disorder in embryos obtained through in vitro fertilization, selection of healthy embryos, and transfer of the embryos to the mother's uterus. Preimplantation genetic diagnosis has been used not only to avoid the risk of having an affected child, but it also offers, using HLA matching, preselection of potential HLA-genoidentical healthy donor progeny for an affected sibling who requires bone marrow transplantation. Here, we share the hematopoietic stem cell transplantation results of 52 patients with different benign and malign hematological or metabolic diseases or immunodeficiencies whose donors were siblings born with this technique in Turkey since 2008...
February 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28121763/transplantation-of-the-uterus
#17
M Terese Verklan
No abstract text is available yet for this article.
January 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28093178/re-one-uterus-bridging-three-generations-first-live-birth-after-mother-to-daughter-uterus-transplantation
#18
Craig Niederberger
No abstract text is available yet for this article.
February 2017: Journal of Urology
https://www.readbyqxmd.com/read/28025841/regulation-of-diapause-in-carnivores
#19
J C Fenelon, P L Lefèvre, A Banerjee, B D Murphy
Embryonic diapause is an evolutionary strategy to ensure that offspring are born when maternal and environmental conditions are optimal for survival. In many species of carnivores, obligate embryonic diapause occurs in every gestation. In mustelids, the regulation of diapause and reactivation is influenced by photoperiod, which then acts to regulate the secretion of pituitary prolactin. Prolactin in turn regulates ovarian steroid function. Reciprocal embryo transplant studies indicate that this state of embryonic arrest is conferred by uterine conditions and is presumed to be due to a lack of specific factors necessary for continued development...
April 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27995397/uterine-tissue-engineering-and-the-future-of-uterus-transplantation
#20
Mats Hellström, Sara Bandstein, Mats Brännström
The recent successful births following live donor uterus transplantation are proof-of-concept that absolute uterine factor infertility is a treatable condition which affects several hundred thousand infertile women world-wide due to a dysfunctional uterus. This strategy also provides an alternative to gestational surrogate motherhood which is not practiced in most countries due to ethical, religious or legal reasons. The live donor surgery involved in uterus transplantation takes more than 10 h and is then followed by years of immunosuppressive medication to prevent uterine rejection...
December 19, 2016: Annals of Biomedical Engineering
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