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Uterine factor infertility

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https://www.readbyqxmd.com/read/28938750/allowable-warm-ischemic-time-and-morphological-and-biochemical-changes-in-uterine-ischemia-reperfusion-injury-in-cynomolgus-macaque-a-basic-study-for-uterus-transplantation
#1
Iori Kisu, Kiyoko Umeneo, Masataka Adachi, Katsura Emoto, Yuya Nogami, Kouji Banno, Iori Itagaki, Ikuo Kawamoto, Takahiro Nakagawa, Hayato Narita, Atsushi Yoshida, Hideaki Tsuchiya, Kazumasa Ogasawara, Daisuke Aoki
STUDY QUESTION: How long is the allowable warm ischemic time of the uterus and what morphological and biochemical changes are caused by uterine ischemia/reperfusion injury in cynomolgus macaques? SUMMARY ANSWER: Warm ischemia in the uterus of cynomolgus macaques is tolerated for up to 4 h and reperfusion after uterine ischemia caused no further morphological and biochemical changes. WHAT IS KNOWN ALREADY: Uterus transplantation is a potential option for women with uterine factor infertility...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28900768/maternal-and-paternal-infertility-disorders-and-treatments-and-autism-spectrum-disorder-findings-from-the-study-to-explore-early-development
#2
Laura A Schieve, Carolyn Drews-Botsch, Shericka Harris, Craig Newschaffer, Julie Daniels, Carolyn DiGuiseppi, Lisa A Croen, Gayle C Windham
Previous studies of associations between ASD and conception using assisted reproductive technology (ART) are inconsistent and few studies have examined associations with other infertility treatments or infertility disorders. We examined associations between ASD and maternal/paternal infertility disorders and numerous maternal treatments among 1538 mother-child pairs in the Study to Explore Early Development, a population-based case-control study. ASD was associated with any female infertility diagnosis and several specific diagnoses: blocked tubes, endometriosis, uterine-factor infertility, and polycystic ovarian syndrome...
September 12, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28893656/hysteroscopic-isthmoplasty-step-by-step-technique
#3
Attilio Di Spiezio Sardo, Brunella Zizolfi, Gloria Calagna, Pierluigi Giampaolino, Filomena Paolella, Giuseppe Bifulco
BACKGROUND: Isthmocele is a characteristic semi-diverticular anomaly of the anterior isthmic wall of the uterus, located at the site of a previous cesarean delivery scar. The etiopathogenesis of isthmocele is still poorly understood, and several hypotheses have been proposed. Possible factors that could play a role in niche development include a very low incision through cervical tissue, an inadequate suturing technique during the closure of the uterine scar surgical interventions that increase adhesion formation or patient-related factors that impair wound healing, or increase inflammation or adhesion formation...
September 8, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28867860/ayurvedic-management-of-recurrent-abortions-due-to-uterine-fibroid
#4
Shailendra Dadarao Katakdound
Uterine fibroids are present in 30-70% of women of reproductive age. Uterine fibroids distort the uterine cavity. Therefore there is consensus of a negative impact on both the clinical pregnancy and delivery rates.[2] In addition, studies have also reported an increased risk of spontaneous miscarriage with submucosal fibroids. In biomedicine, myomectomy is considered the treatment of choice and Assisted Reproductive Technology is advised to overcome infertility. In Hārita Saṃhitā treatment is given for recurrent abortion (Garbhasrāvī)...
January 2017: Ancient Science of Life
https://www.readbyqxmd.com/read/28836548/epidemiological-survey-and-risk-factor-analysis-of-recurrent-spontaneous-miscarriages-in-infertile-women-at-large-infertility-centers
#5
Hai-Yan Wang, Jie Qiao, Xiao-Xi Sun, Shu-Yu Wang, Xiao-Yan Liang, Yun Sun, Feng-Hua Liu
BACKGROUND: A higher frequency of spontaneous miscarriage has been observed in infertile couples, and there is a higher prevalence of infertility among patients with a history of recurrent spontaneous miscarriages (RSMs; ≥2 miscarriages). This study aimed to determine the proportion of infertile patients with RSM and examine risk factors associated in patients with RSM being treated with assisted reproductive technologies. METHODS: This cross-sectional observational study was conducted at six reproductive medicine centers in three cities of China...
September 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28827707/juxtacrine-activity-of-estrogen-receptor-%C3%AE-in-uterine-stromal-cells-is-necessary-for-estrogen-induced-epithelial-cell-proliferation
#6
Wipawee Winuthayanon, Sydney L Lierz, Karena C Delarosa, Skylar R Sampels, Lauren J Donoghue, Sylvia C Hewitt, Kenneth S Korach
Aberrant regulation of uterine cell growth can lead to endometrial cancer and infertility. To understand the molecular mechanisms of estrogen-induced uterine cell growth, we removed the estrogen receptor α (Esr1) from mouse uterine stromal cells, where the embryo is implanted during pregnancy. Without ESR1 in neighboring stroma cells, epithelial cells that line the inside of the uterus are unable to grow due to a lack of growth factors secreted from adjacent stromal cells. Moreover, loss of stromal ESR1 caused mice to deliver fewer pups due in part due to inability of some embryos to implant in the uterus, indicating that stromal ESR1 is crucial for uterine cell growth and pregnancy...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28826369/literature-review-on-the-role-of-uterine-fibroids-in-endometrial-function
#7
Deborah E Ikhena, Serdar E Bulun
Uterine fibroids are benign uterine smooth muscle tumors that are present in up to 8 out of 10 women by the age of 50. Many of these women experience symptoms such as heavy and irregular menstrual bleeding, early pregnancy loss, and infertility. Traditionally believed to be inert masses, fibroids are now known to influence endometrial function at the molecular level. We present a comprehensive review of published studies on the effect of uterine fibroids on endometrial function. Our goal was to explore the current knowledge about how uterine fibroids interact with the endometrium and how these interactions influence clinical symptoms...
January 1, 2017: Reproductive Sciences
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/28797287/is-a-high-serum-copper-concentration-a-risk-factor-for-implantation-failure
#9
Hidehiko Matsubayashi, Kotaro Kitaya, Kohei Yamaguchi, Rie Nishiyama, Yukiko Takaya, Tomomoto Ishikawa
BACKGROUND: Copper-containing contraceptive devices may deposit copper ions in the endometrium, resulting in implantation failure. The deposition of copper ions in many organs has been reported in patients with untreated Wilson's disease. Since these patients sometimes exhibit subfertility and/or early pregnancy loss, copper ions were also considered to accumulate in the uterine endometrium. Wilson's disease patients treated with zinc successfully delivered babies because zinc interfered with the absorption of copper from the gastrointestinal tract...
August 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28776178/protocols-for-rat-uterus-isolation-and-decellularization-applications-for-uterus-tissue-engineering-and-3d-cell-culturing
#10
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/28729745/insufficient-angiogenesis-cause-of-abnormally-thin-endometrium-in-subfertile-patients
#11
Joachim Alfer, Lars Happel, Ralf Dittrich, Matthias W Beckmann, Arndt Hartmann, Andreas Gaumann, Volker U Buck, Irmgard Classen-Linke
INTRODUCTION: This study investigated subfertile patients with abnormally thin endometrium after infertility treatment. As they had adequate serum concentrations of hormones, an endometrial factor for subfertility was suspected. METHODS: To elucidate the cause of subfertility, endometrial biopsies were taken in each patient in the late proliferative and mid-secretory phases of one menstrual cycle. Endometrial biopsies from women with normal menstrual cycles and confirmed fertility who were undergoing hysterectomy for benign uterine disease were used as positive controls...
July 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28693952/pathogenesis-of-adenomyosis-an-update-on-molecular-mechanisms
#12
REVIEW
Silvia Vannuccini, Claudia Tosti, Francisco Carmona, S Joseph Huang, Charles Chapron, Sun-Wei Guo, Felice Petraglia
Adenomyosis is a uterine disorder becoming more commonly diagnosed in women of reproductive age because of diagnostic imaging advancements. The new epidemiological scenario and the clinical evidence of pelvic pain, abnormal uterine bleeding and infertility are changing the classic perspective of adenomyosis as a premenopausal disease. In the last decade, the evaluation of multiple molecular mediators has improved our knowledge of pathogenic mechanisms of adenomyosis, supporting that this is an independent disease from endometriosis...
June 27, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28683576/womb-transplants-with-live-births-an-update-and-the-future
#13
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/28638108/pregnancy-outcomes-in-nulliparous-women-after-ultrasound-ablation-of-uterine-fibroids-a-single-central-retrospective-study
#14
Jun Shu Li, Yong Wang, Jin Yun Chen, Wen Zhi Chen
To explore the impact of high-intensity focused ultrasound (HIFU) ablation of uterine fibroids in nulliparous women on subsequent pregnancy and delivery. A retrospective analysis was conducted of nulliparous women who received HIFU treatment at Chongqing Medical University, Chongqing,China, from January 1, 2010, to January 1, 2015. A total of 189 cases were enrolled, the median follow-up time was three years. Among them,there were 131 cases pregnancy with a total of 133 times,the pregnancy rate was 69.3% (131/189),and the spontaneous conception rate was 95...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28609280/the-history-behind-successful-uterine-transplantation-in-humans
#15
Luis Arturo Ruvalcaba Castellón, Martha Isolina García Amador, Roberto Enrique Díaz González, Montoya Sarmiento Jorge Eduardo, César Díaz-García, Niclas Kvarnström, Mats Bränström
This paper aimed to describe the basic aspects of uterine transplant (UTx) research in humans, including preliminary experiences in rodents and domestic species. Studies in rats, domestic species, and non-human primates validated and optimized the UTx procedure in terms of its surgical aspects, immunosuppression, rejection diagnosis, peculiarities of pregnancy in immunosuppressed patients, and patients with special uterine conditions. In animal species, the first live birth from UTx was achieved in a syngeneic mouse model in 2003...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28457377/ethical-issues-in-uterine-transplantation-psychological-implications-and-informed-consent
#16
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/28436055/implantation-window-and-angiogenesis
#17
Mostafa Peyvandi Karizbodagh, Bahman Rashidi, Amirhossein Sahebkar, Aria Masoudifar, Hamed Mirzaei
In recent decades, infertility is one of the health problems worldwide. One of the most crucial events in reproductive period is implantation window (IW). In the time after IW period, the embryo cannot connect to the endometrium; therefore the most critical issue for successful implantation is timely entrance of embryo to the uterine cavity during the IW. Implantation failure is responsible for many cases of infertility and is the most important limiting factor for achieving a successful outcome using the assisted reproductive techniques (ART)...
April 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28400311/pregnancy-birth-and-infant-outcomes-by-maternal-fertility-status-the-massachusetts-outcomes-study-of-assisted-reproductive-technology
#18
Barbara Luke, Daksha Gopal, Howard Cabral, Judy E Stern, Hafsatou Diop
BACKGROUND: Births to subfertile women, with and without infertility treatment, have been reported to have lower birthweights and shorter gestations, even when limited to singletons. It is unknown whether these decrements are due to parental characteristics or aspects of infertility treatment. OBJECTIVE: The objective of the study was to evaluate the effect of maternal fertility status on the risk of pregnancy, birth, and infant complications. STUDY DESIGN: All singleton live births of ≥22 weeks' gestation and ≥350 g birthweight to Massachusetts resident women in 2004-2010 were linked to hospital discharge and vital records...
September 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28395322/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#19
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/28368537/tissue-specific-ablation-of-the-lif-receptor-in-the-murine-uterine-epithelium-results-in-implantation-failure
#20
JrGang Cheng, Gracy Rosario, Tatiana V Cohen, Jianbo Hu, Colin L Stewart
The cytokine leukemia inhibitory factor (LIF) is essential for rendering the uterus receptive for blastocyst implantation. In mice, LIF receptor expression (LIFR) is largely restricted to the uterine luminal epithelium (LE). LIF, secreted from the endometrial glands (GEs), binds to the LIFR, activating the Janus kinase-signal transducer and activation of transcription (STAT) 3 (Jak-Stat3) signaling pathway in the LE. JAK-STAT activation converts the LE to a receptive state so that juxtaposed blastocysts begin to implant...
June 1, 2017: Endocrinology
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