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https://www.readbyqxmd.com/read/28810880/nlrp7-contributes-to-in-vitro-decidualization-of-endometrial-stromal-cells
#1
Jyun-Yuan Huang, Pei-Hsiu Yu, Yueh-Chun Li, Pao-Lin Kuo
BACKGROUND: Nucleotide-binding oligomerization domain (NACHT), leucine rich repeat (LRR) and pyrin domain (PYD) 7 containing protein, NLRP7, is a member of the NLR family which serves as innate immune sensors. Mutations and genetic variants of NLRP7 have been found in women with infertility associated conditions, such as recurrent hydatidiform mole, recurrent miscarriage, and preeclampsia. Decidualization of endometrial stromal cells is a hallmark of tissue remodeling to support embryo implantation and proper placental development...
August 15, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28810693/deregulation-of-the-endometrial-stromal-cell-secretome-precedes-embryo-implantation-failure
#2
Ruban Rex Peter Durairaj, Asma Aberkane, Lukasz Polanski, Yojiro Maruyama, Miriam Baumgarten, Emma S Lucas, Siobhan Quenby, Jerry K Y Chan, Nick Raine-Fenning, Jan J Brosens, Hilde Van de Velde, Yie Hou Lee
No abstract text is available yet for this article.
August 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28810691/improvement-of-implantation-potential-in-mouse-blastocysts-derived-from-ivf-by-combined-treatment-with-prolactin-epidermal-growth-factor-and-4-hydroxyestradiol
#3
Miki Takeuchi, Misato Seki, Etsuko Furukawa, Akihito Takahashi, Kyosuke Saito, Mitsuru Kobayashi, Kenji Ezoe, Emiko Fukui, Midori Yoshizawa, Hiromichi Matsumoto
STUDY QUESTION: Can supplementation of medium with prolactin (PRL), epidermal growth factor (EGF) and 4-hydroxyestradiol (4-OH-E2) prior to embryo transfer improve implantation potential in mouse blastocysts derived from IVF? SUMMARY ANSWER: Combined treatment with PRL, EGF and 4-OH-E2 improves mouse blastocyst implantation rates, while alone, each factor is ineffective. WHAT IS KNOWN ALREADY: Blastocyst dormancy during delayed implantation caused by ovariectomy is maintained by continued progesterone treatment in mice, and estrogen injection rapidly activates blastocysts to implantation-induced status in vivo...
August 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28809602/fertility-preservation-and-sexual-health-after-cancer-therapy
#4
Nigel Pereira, Glenn L Schattman
Recent developments in cancer diagnostics and treatments have considerably improved long-term survival rates. Despite improvements in chemotherapy regimens, more focused radiotherapy and diverse surgical options, cancer treatments often have gonadotoxic side-effects that can manifest as loss of fertility or sexual dysfunction, particularly in young cancer survivors. In this review, we focus on two pertinent quality-of-life issues in female cancer survivors of reproductive age-fertility preservation and sexual function...
August 15, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28807395/clinical-validation-of-pinopode-as-a-marker-of-endometrial-receptivity-a-randomized-controlled-trial
#5
Zhang Qiong, Hao Jie, Wang Yonggang, Xu Bin, Zhao Jing, Li Yanping
OBJECTIVE: To determine the clinical value of pinopodes in the human. DESIGN: Randomized controlled trial. SETTING: Academic fertility center. PATIENT(S): From December 2014 to December 2016, in a phase I trial, 363 patients were recruited in their first IVF cycles. In a phase II trial, 136 patients with at least two previous embryo implantation failures were recruited. INTERVENTION(S): In the phase I trial, in the midluteal phase, endometrial tissues were obtained for scanning electron microscopy, and their IVF treatment outcomes were followed up...
August 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28805610/validation-of-a-high-throughput-and-robust-technique-bacs-on-beads-assay-karyolite-bobs-for-pre-implantation-aneuploidy-screening
#6
Grace Wing Shan Kong, Yanlin Ma, Jian Ou, Yvonne Ka Yin Kwok, Wei Wang, Queenie Sum Yee Yeung, Cherry Kit Man Wong, Qi Li, Wen Xu, Weiying Lu, Hong Li, Tin Chiu Li, Kwong Wai Choy
OBJECTIVE: This study aims to validate the BACs-on-Beads (BoB) technology as a robust and high throughput method for pre-implantation genetic screening (PGS) for aneuploidy. MATERIAL AND METHODS: The performances with respect to the sensitivity, specificity, success rate and detection rate of this technique from new BoBs technology and traditional array chromosomal genomic hybridization (aCGH) were compared. And the use of BoBs as a screening tool for euploid embryos in PGS was evaluated...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28805606/detection-of-sea-type-%C3%AE-thalassemia-in-embryo-biopsies-by-digital-pcr
#7
Ta-Hsien Lee, Ya-Chiung Hsu, Chia Lin Chang
OBJECTIVE: Accurate and efficient pre-implantation genetic diagnosis (PGD) based on the analysis of single or oligo-cells is needed for timely identification of embryos that are affected by deleterious genetic traits in in vitro fertilization (IVF) clinics. Polymerase chain reaction (PCR) is the backbone of modern genetic diagnoses, and a spectrum of PCR-based techniques have been used to detect various thalassemia mutations in prenatal diagnosis (PND) and PGD. Among thalassemias, SEA-type α-thalassemia is the most common variety found in Asia, and can lead to Bart's hydrops fetalis and serious maternal complications...
August 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28802704/early-miscarriage-rate-in-lean-polycystic-ovary-syndrome-women-after-euploid-embryo-transfer-a-matched-pair-study
#8
Lu Luo, Fang Gu, Huying Jie, Chenhui Ding, Qiang Zhao, Qiong Wang, Canquan Zhou
The early miscarriage rate is reported to be higher in patients with polycystic ovary syndrome (PCOS) compared with non-PCOS patients. However, whether PCOS is an independent risk factor for early miscarriage is still controversial; to what extent embryonic aneuploidy accounts for miscarriages of PCOS is still unknown. In this 1:3 matched-pair study, 67 lean PCOS patients and 201 controls matched for age, body mass index (BMI) and embryo scores undergoing a single euploid blastocyst transfer in vitrified-warmed cycles were analysed...
July 29, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28797703/preimplantation-genetic-diagnosis-of-x-linked-charcot-marie-tooth-disease-by-indirect-linkage-analysis
#9
Irena Borgulová, Martina Putzová, Inna Soldatova, David Stejskal
OBJECTIVE: To present methodical approach of preimplantation genetic diagnosis (PGD) as an option for an unaffected pregnancy in reproductive-age couples who have a genetic risk of the X-linked dominant peripheral neuropathy Charcot-Marie-Tooth type 1 disease. PATIENTS AND METHODS: We performed PGD of X-linked Charcot-Marie-Tooth type 1 disease using haplotyping/indirect linkage analysis, when during analysis we reach to exclude embryos that carry a high-risk haplotype linked to the causal mutation p...
August 7, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28797287/is-a-high-serum-copper-concentration-a-risk-factor-for-implantation-failure
#10
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/28795050/mixed-double-embryo-transfer-a-promising-approach-for-patients-with-repeated-implantation-failure
#11
Georgi Stamenov Stamenov, Dimitar Angelov Parvanov, Todor Angelov Chaushev
OBJECTIVE: The purpose of this study was to evaluate the efficacy of frozen mixed double-embryo transfer (MDET; the simultaneous transfer of day 3 and day 5 embryos) in comparison with frozen blastocyst double-embryo transfer (BDET; transfer of two day 5 blastocysts) in patients with repeated implantation failure (RIF). METHODS: A total of 104 women with RIF who underwent frozen MDET (n=48) or BDET (n=56) with excellent-quality embryos were included in this retrospective analysis...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28795047/influence-of-the-insemination-method-on-the-outcomes-of-elective-blastocyst-culture
#12
Caizhu Wang, Guixue Feng, Bo Zhang, Jinhui Shu, Hong Zhou, Xianyou Gan, Ruoyun Lin
OBJECTIVE: The aim of this study was to explore the effects of the insemination method on the outcomes of elective blastocyst culture. METHODS: We retrospectively analyzed the outcomes of elective blastocyst culture performed between January 2011 and December 2014. RESULTS: There were 2,003 cycles of conventional in vitro fertilization (IVF) and 336 cycles of intracytoplasmic sperm injection (ICSI), including 25,652 and 4,164 embryos that underwent sequential blastocyst culture, respectively...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28791838/collagenous-scaffolds-supplemented-with-hyaluronic-acid-and-chondroitin-sulfate-used-for-wound-fibroblast-and-embryonic-nerve-cell-culture
#13
Jacek Drobnik, Krystyna Pietrucha, Lucyna Piera, Jacek Szymański, Alicja Szczepanowska
BACKGROUND: Tissue engineering is a strategy aimed at improving the regeneration of injured tissues. OBJECTIVES: The aim of the present study was to determine whether a tri-copolymer composed of crosslinked collagen, chondroitin sulfate and hyaluronic acid (Col + CS + HA) provides a better environment for fibroblast and embryonic nerve cell culture than a collagenous scaffold (Col). MATERIAL AND METHODS: The porosity of each of the matrices was characterized with a scanning electron microscope...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791461/expression-of-h19-imprinted-gene-in-patients-with-repeated-implantation-failure-during-the-window-of-implantation
#14
Hong Zeng, Xiuli Fan, Nenghui Liu
PURPOSE: To detect the expression level of imprinted gene H19 in the endometrium of patients with repeated implantation failure (RIF) who were undergoing in vitro fertilization and embryo transfer (IVF-ET) or frozen embryo transfer (FET). METHODS: Patients who underwent IVF/FET in Reproductive Medicine Center of Xiangya Hospital during April 1, 2015 to October 31, 2015 were chosen. The endometrium was collected from patients with repeated implantation failure during mid-luteal phase...
August 8, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28791050/effect-of-increased-endometrial-thickness-and-implantation-rate-by-granulocyte-colony-stimulating-factor-on-unresponsive-thin-endometrium-in-fresh-in-vitro-fertilization-cycles-a-randomized-clinical-trial
#15
Fatemeh Sarvi, Marjan Arabahmadi, Ashraf Alleyassin, Marzieh Aghahosseini, Marzieh Ghasemi
BACKGROUND: The correlation between endometrial thickness and receptivity has been mentioned in various studies. This study investigated the effect of granulocyte colony-stimulating factor in treating thin endometrium of infertile women who were chosen for in vitro fertilization in our infertility clinic in 2014 and 2015. METHODS: In this randomized clinical trial, 28 women who were chosen for in vitro fertilization and had endometrial thickness of less than 6 mm on the day of human chorionic gonadotropin (hCG) injection were included in the study...
2017: Obstetrics and Gynecology International
https://www.readbyqxmd.com/read/28790019/neuronal-firing-activity-in-the-basal-ganglia-after-striatal-transplantation-of-dopamine-neurons-in-hemiparkinsonian-rats
#16
Regina Rumpel, Mesbah Alam, Lisa M Schwarz, Andreas Ratzka, Xingxing Jin, Joachim K Krauss, Claudia Grothe, Kerstin Schwabe
The loss of nigral dopaminergic neurons and the resulting dopamine (DA) depletion in the striatum (STR) lead to altered neuronal activity and enhanced beta activity in various regions of the basal ganglia (BG) motor loop in patients with Parkinson's disease and in rodents in the 6-hydroxydopamine (6-OHDA)-lesioned rat model. Intrastriatal DA graft implantation has been shown to re-innervate the host brain and restore DA input. Here, DA cell grafts were implanted into the STR of 6-OHDA-lesioned rats and the effect on neuronal activity under urethane anesthesia (1...
August 5, 2017: Neuroscience
https://www.readbyqxmd.com/read/28782224/prokineticin-1-is-up-regulated-by-insulin-in-decidualizing-human-endometrial-stromal-cells
#17
Dorina Ujvari, Ivika Jakson, Cecilia Oldmark, Sanaz Attarha, Twana Alkasalias, Daniel Salamon, Sebastian Gidlöf, Angelica Lindén Hirschberg
Prokineticin 1 (PROK1), a hypoxia-regulated angiogenic factor, has emerged as a crucial regulator of embryo implantation and placentation. Dysregulation of PROK1 has been linked to recurrent pregnancy loss, pre-eclampsia, foetal growth restriction and preterm birth. These pregnancy complications are common in women with obesity and polycystic ovary syndrome, i.e. conditions associated with insulin resistance and compensatory hyperinsulinaemia. We investigated the effect of insulin on PROK1 expression during in vitro decidualization...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28781765/up-and-down-immunity-of-pregnancy-in-humans
#18
REVIEW
Philippe Le Bouteiller, Armand Bensussan
One part of the human placenta in early pregnancy is particularly important for local immunity: the decidua basalis, which is transformed endometrium located at the site of embryo implantation . This placental bed tissue contains both maternal uterine immune cells, including decidual natural killer (NK) cells, the dominant leukocyte population exhibiting a unique phenotype, and fetal extravillous trophoblast which comes into direct contact with maternal decidual cells . To establish a successful placental development and healthy pregnancy outcome, the maternal immune system must tolerate paternal antigens expressed by trophoblast cells yet remain efficient for clearing any local pathogen infection...
2017: F1000Research
https://www.readbyqxmd.com/read/28780397/neonatal-exposure-to-a-glyphosate-based-herbicide-alters-uterine-decidualization-in-rats
#19
Paola I Ingaramo, Jorgelina Varayoud, María M Milesi, Marlise Guerrero Schimpf, Ramiro Alarcón, Mónica Muñoz-de-Toro, Enrique H Luque
We investigated whether defective modulation of uterine signaling may cause decidualization failure in rats neonatally exposed to a glyphosate-based herbicide (GBH). Female pups received vehicle or 2mg/kg of GBH from postnatal day (PND) 1 to PND7. On PND8 and PND21, Wnt5a and β-catenin expression was evaluated in uterine samples. On gestational day (GD) 9, Wnt5a, Wnt7a and β-catenin expression and Dkk1 and sFRP4 mRNA were evaluated on implantation sites. On PND8, GBH-exposed rats showed increased Wnt5a and β-catenin expression in luminal epithelium (LE), whereas on PND21, they showed increased Wnt5a and β-catenin expression in subepithelial stroma but decreased β-catenin expression in glandular epithelium...
August 2, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28776178/protocols-for-rat-uterus-isolation-and-decellularization-applications-for-uterus-tissue-engineering-and-3d-cell-culturing
#20
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
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