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Implantation infertility

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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/28797287/is-a-high-serum-copper-concentration-a-risk-factor-for-implantation-failure
#2
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/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
#3
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/28776178/protocols-for-rat-uterus-isolation-and-decellularization-applications-for-uterus-tissue-engineering-and-3d-cell-culturing
#4
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/28758928/role-of-plasminogen-activator-inhibitor-type-1-in-pathologies-of-female-reproductive-diseases
#5
REVIEW
Yao Ye, Aurelia Vattai, Xi Zhang, Junyan Zhu, Christian J Thaler, Sven Mahner, Udo Jeschke, Viktoria von Schönfeldt
Normal pregnancy is a state of hypercoagulability with diminishing fibrinolytic activity, which is mainly caused by an increase of plasminogen activator inhibitor type 1 (PAI-1). PAI-1 is the main inhibitor of plasminogen activators, including tissue-type plasminogen activator (tPA) and urokinase-type plasminogen activator (uPA). In human placentas, PAI-1 is expressed in extravillous interstitial trophoblasts and vascular trophoblasts. During implantation and placentation, PAI-1 is responsible for inhibiting extra cellular matrix (ECM) degradation, thereby causing an inhibition of trophoblasts invasion...
July 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28758506/exposure-to-modern-widespread-environmental-endocrine-disrupting-chemicals-and-their-effect-on-the-reproductive-potential-of-women-an-overview-of-current-epidemiological-evidence
#6
Anetta Karwacka, Dorota Zamkowska, Michał Radwan, Joanna Jurewicz
Growing evidence indicates that exposure to widespread, environmental contaminants called endocrine disruptors (EDCs) negatively affects animal and human reproductive health and has been linked to several diseases including infertility. This review aims to evaluate the impact of environmental exposure to endocrine disrupting chemicals [phthalates, parabens, triclosan, bisphenol A (BPA), organochlorine (PCBs) and perfluorinated (PFCs) compounds] on the reproductive potential among women, by reviewing most recently published literature...
July 31, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28756898/paving-the-way-for-a-gold-standard-of-care-for-infertility-treatment-improving-outcomes-through-standardization-of-laboratory-procedures
#7
REVIEW
William Schoolcraft, Marcos Meseguer
Infertility affects over 70 million couples globally. Access to, and interest in, assisted reproductive technologies is growing worldwide, with more couples seeking medical intervention to conceive, in particular by IVF. Despite numerous advances in IVF techniques since its first success in 1978, almost half of the patients treated remain childless. The multifactorial nature of IVF treatment means that success is dependent on many variables. Therefore, it is important to examine how each variable can be optimized to achieve the best possible outcomes for patients...
July 14, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28738736/bacterial-vaginosis-and-the-risk-of-early-miscarriage-in-women-undergoing-intracytoplasmic-sperm-injection-cycles-a-prospective-cohort-study
#8
Ashraf Moini, Ladan Mohammadi Yeganeh, Marzieh Shiva, Malihe Ahmadieh, Reza Salman Yazdi, Fatemeh Hasani, Narges Bagheri Lankarani, Azam Sanati
This study aimed to assess the possible association of bacterial vaginosis (BV) and early miscarriage in 408 women undergoing intracytoplasmic sperm injection (ICSI) for reasons of male infertility. A vaginal sample was obtained before oocyte retrieval and evaluated for BV-associated bacteria using the Nugent scoring system. The primary outcome was early miscarriage and the secondary outcomes included implantation, pregnancy, late miscarriage, preterm delivery and live birth rates. Chi-square, ANOVA, relative risk and odds ratio were used for data analysis where appropriate...
July 24, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28730893/multicenter-study-of-genetic-abnormalities-associated-with-severe-oligospermia-and-non-obstructive-azoospermia
#9
Chong Xie, Xiangfeng Chen, Yulin Liu, Zhengmu Wu, Ping Ping
Objective * Chong Xie, Xiangfeng Chen, and Yulin Liu contributed equally to this work. Genetic defects are identified in nearly 20% of infertile males. Determining the frequency and types of major genetic abnormalities in severe male infertility helps inform appropriate genetic counseling before assisted reproductive techniques. Methods Cytogenetic results of 912 patients with non-obstructive azoospermia (NOA) and severe oligozoospermia (SOS) in Eastern China were reviewed in this multicenter study from January 2011 to December 2015...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28707148/chemokine-c-c-motif-ligand-2-ccl2-and-oxidative-stress-markers-in-recurrent-pregnancy-loss-and-repeated-implantation-failure
#10
Müberra Namlı Kalem, Nilufer Akgun, Ziya Kalem, Batuhan Bakirarar, Tugrul Celik
PURPOSE: The main purpose of this study is to evaluate the inflammatory response and oxidative stress together in the cases of recurrent pregnancy loss (RPL) and repeated implantation failure (RIF). METHODS: This is a cross-sectional study conducted to compare infertile patients who have RIF and patients with RPL histories in terms of CCL2, TAS, TOS, and OSI. To this end, two study groups were formed by primary-infertile women with RIF history and women with nulliparous RPL history who consulted a university hospital between 2014 and 2016, and a control group was formed by multiparous women who had no pregnancy loss...
July 13, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28702979/use-of-platelet-rich-plasma-in-human-infertility
#11
G V L Colombo, V Fanton, D Sosa, E Criado Scholz, J Lotti, S E Aragona, T Lotti
Successful embryo implantation requires good quality embryo but also needs a receptive endometrium site. In our clinical practice, we daily verify that an adequate endometrial growth is reached for successful implantation. To understand whether platelet rich plasma (PRP) can improve endometrium thickness and performance, PRP treatment was carried out after at least three of the classic medical protocols currently in use had been unsuccessfully adopted. Eight patients with more than 3 cryo-transfers cancelled because of failure of endometrial growth, defined as endometrium less than 6 mm, with negative hysteroscopic screening for endometrial pathology, and with negative bacteriologic screening, before present and all previous treatment, were selected to undergo PRP treatment...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28698074/fertiloscopy-improves-in-vitro-fertilization-for-women-with-repeated-implantation-failure
#12
R Zhang, A Xu, Q Wang, L Zhang, L Zhu, S Zhao, W Xiong
OBJECTIVE: To assess the effects of fertiloscopy procedure on the outcomes of subsequent in vitro fertilization cycles in patients with repeated implantation failure (RIF). METHODS: A retrospective study was performed on 50 patients underwent fertiloscopy and 41 controls with RIF. Pelvic and intrauterine pathologies related to infertility, clinical pregnancy rate (CPR) and ongoing pregnancy rate (OPR) of subsequent IVF cycles were assessed. RESULTS: Twenty-six out of 50 patients (52%) had abnormal fertiloscopic findings...
July 8, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28697910/duphaston-and-human-menopausal-gonadotropin-protocol-in-normally-ovulatory-women-undergoing-controlled-ovarian-hyperstimulation-during-in%C3%A2-vitro-fertilization-intracytoplasmic-sperm-injection-treatments-in-combination-with-embryo-cryopreservation
#13
Xiuxian Zhu, Hongjuan Ye, Yonglun Fu
OBJECTIVE: To evaluate endocrine characteristics and clinical outcomes in normal ovulatory patients undergoing controlled ovarian hyperstimulation (COH) with the use of a Duphaston and hMG protocol during in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) treatments in combination with frozen-thawed embryo transfer (FET) compared with the characteristics and outcomes of patients undergoing an Utrogestan and hMG protocol. DESIGN: Prospective controlled study...
July 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28695395/a-meta-analysis-of-atosiban-supplementation-among-patients-undergoing-assisted-reproduction
#14
Jie Li, Yang Chen, Anran Wang, Haiying Zhang
OBJECTIVES: Evidence for the efficacy of atosiban in improving pregnancy outcomes among patients undergoing assisted reproductive technology (ART) remains inconsistent. METHODS: The PubMed, EMBASE, and CNKI databases were searched using keywords such as 'atosiban', 'infertility', and 'ART'. Studies that explored the efficacy of atosiban in the field of ART for patients with embryo transfer (ET) were included if they evaluated pregnancy outcomes. Combing using subgroups and sensitivity analysis were conducted, and risk ratios (RRs), and 95% confidence intervals (CIs) were calculated...
July 10, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28684220/correlation-of-serum-anti-mullerian-hormone-to-follicular-follicle-stimulating-hormone-and-implantation-potential-of-the-ensuing-embryos
#15
Maw-Sheng Lee, Shu-Ling Tzeng, Shun-Fa Yang, Yi-Ping Lin, En-Hui Cheng, Chun-Chia Huang, Yu-Shih Yang, Tsung-Hsien Lee
Serum anti-Mullerian hormone (AMH) is a predictor of the pregnancy outcome in assisted reproductive technology (ART) cycles, particularly for older women. This study attempts to elucidate the effect of serum AMH on follicular hormone profiles and implantation outcome of the ensuing embryos in ART cycles. A total of 412 patients undergoing ART cycles at a private infertility center were included and 780 follicular fluid samples were collected. Levels of follicular hormones, including FSH, LH, inhibin B, AMH, estradiol, progesterone, and androstenedione were measured...
July 3, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28676452/water-extracted-tubers-of-cyperus-rotundus-l-enhance-endometrial-receptivity-through-leukemia-inhibitory-factor-mediated-expression-of-integrin-%C3%AE-v%C3%AE-3-and-%C3%AE-v%C3%AE-5
#16
Hee-Jung Choi, Tae-Wook Chung, Mi-Ju Park, Yeon-Seop Jung, Syng-Ook Lee, Keuk-Jun Kim, Ki-Tae Ha
ETHNOPHARMACOLOGICAL RELEVANCE: Cyperus rotundus L. (CR) has been traditionally used as an herbal medicine in Asian countries to treat diverse gynecological disorders. However, the potential therapeutic effect of CR on endometrial receptivity for successful embryo implantation to treat female infertility has not been fully studied. AIM OF STUDY: The aim of this study was to evaluate the effect of water-extracted CR on endometrial receptivity by investigating the expression of leukemia inhibitory factor (LIF) and integrins, cell adhesion, and embryo implantation using mifepristone (RU486; RU)-induced implantation failure model...
July 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28675153/sperm-dna-damage-has-a-negative-effect-on-early-embryonic-development-following-in-vitro-fertilization
#17
Wei-Wei Zheng, Ge Song, Qi-Ling Wang, Shan-Wen Liu, Xiao-Li Zhu, Shun-Mei Deng, An Zhong, Yu-Mei Tan, Ying Tan
Sperm DNA damage is recognized as an important biomarker of male infertility. To investigate this, sperm DNA damage was assessed by the sperm chromatin dispersion (SCD) test in semen and motile spermatozoa harvested by combined density gradient centrifugation (DGC) and swim-up in 161 couples undergoing in vitro fertilization (IVF). Semen analysis and sperm DNA damage results were compared between couples who did or did not achieve pregnancy. The sperm DNA damage level was significantly different between the two groups (P < 0...
June 30, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28670524/attitudes-of-infertile-couples-fertility-clinic-staff-and-researchers-toward-personhood-of-the-human-embryo-in-iran
#18
Marjaneh Kayssan, Mahrokh Dolatian, Reza Omani Samani, Saman Maroufizadeh
OBJECTIVE: After the introduction of assisted reproductive techniques, human embryos were officially introduced into laboratories and now thousands of them are cryopreserved in such settings. Embryonic stem cells and the future application of such cells in the treatment of disease opened the door to further research on human embryos. These developments raise many ethical issues, some of which have religious aspects. The main question is: what is the embryo? Should we consider it a human being? Thus, the purpose of this study was to investigate attitudes towards the personhood of the embryo...
July 2017: Cell Journal
https://www.readbyqxmd.com/read/28670427/kisspeptin-a-potential-factor-for-unexplained-infertility-and-impaired-embryo-implantation
#19
Aaida Mumtaz, Aqsa Khalid, Zehra Jamil, Syeda Sadia Fatima, Sara Arif, Rehana Rehman
BACKGROUND: Kisspeptin (KP) is a neuropeptide that causes the release of the gonadotropin releasing hormone, which controls hypothalamo pituitary ovarian axis and exerts a number of peripheral effects on reproductive organs. The primary objective of this study was to compare baseline KP levels in females with different types of infertility and identify possible correlations with risk of failure to conceive, preclinical abortion and pregnancy after intracytoplasmic sperm injection (ICSI)...
July 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28646452/dosage-effects-of-zp2-and-zp3-heterozygous-mutations-cause-human-infertility
#20
Wenqiang Liu, Kunming Li, Dandan Bai, Jiqing Yin, Yuanyuan Tang, Fengli Chi, Linfeng Zhang, Yu Wang, Jiaping Pan, Shanshan Liang, Yi Guo, Jingling Ruan, Xiaochen Kou, Yanhong Zhao, Hong Wang, Jiayu Chen, Xiaoming Teng, Shaorong Gao
The zona pellucida (ZP) is an extracellular matrix universally surrounding mammalian eggs, which is essential for oogenesis, fertilization, and pre-implantation embryo development. Here, we identified two novel heritable mutations of ZP2 and ZP3, both occurring in an infertile female patient with ZP-abnormal eggs. Mouse models with the same mutations were generated by CRISPR/Cas9 gene editing system, and oocytes obtained from female mice with either single heterozygous mutation showed approximately half of the normal ZP thickness compared to wild-type oocytes...
August 2017: Human Genetics
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