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https://www.readbyqxmd.com/read/27830003/effect-of-bisphenol-a-on-occurrence-and-progression-of-prolactinoma-and-its-underlying-mechanisms
#1
Lanxiang Hao, Jing Zhang, Yonghong Zhang, Haitao Hu, Weiwei Shao, Xiaochen Zhang, Chunmei Geng, Yanyan Wang, Ling Jiang
OBJECTIVE: To investigate the effects of Bisphenol A (BPA) on prolactin (PRL) release, pituitary cell proliferation, prolactinoma formation in estrogen-sensitive Fischer 344 (F344) rats. MATERIALS AND METHODS: Four-week-old female F344 rats were orally administered with different concentrations of BPA or intraperitoneal injection of estradiol benzoate (estradiolbenzoate, E2) for 12 weeks. Bodyweight, blood RPL level and pituitary weights were observed and recorded...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27808369/molecular-thrombophilic-profile-in-mexican-patients-with-idiopathic-recurrent-pregnancy-loss
#2
J J López-Jiménez, Á Porras-Dorantes, C I Juárez-Vázquez, J E García-Ortiz, C A Fuentes-Chávez, I J Lara-Navarro, A R Jaloma-Cruz
Idiopathic recurrent pregnancy loss (IRPL) is defined by three or more consecutive miscarriages occurring before the twentieth week of gestation as a result of unidentified etiological factors. The results of previous studies have indicated that prothrombotic factors play a pathogenic role in early and late pregnancy. This study aimed to identify inherited prothrombotic and hypofibrinolytic risk factors in Mexican-Mestizo patients with IRPL. Fifty-six women with IRPL and 50 control women with at least two full-term pregnancies and no history of RPL were included in this case-control study...
October 5, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27799851/low-molecular-weight-heparin-can-benefit-women-with-recurrent-pregnancy-loss-and-sole-protein-s-deficiency-a-historical-control-cohort-study-from-taiwan
#3
Ming-Ching Shen, Wan-Ju Wu, Po-Jen Cheng, Gwo-Chin Ma, Wen-Chu Li, Jui-Der Liou, Cheng-Shyong Chang, Wen-Hsiang Lin, Ming Chen
BACKGROUND: Heritable thrombophilias are assumed important etiologies for recurrent pregnancy loss. Unlike in the Caucasian populations, protein S and protein C deficiencies, instead of Factor V Lieden and Prothrombin mutations, are relatively common in the Han Chinese population. In this study we aimed to investigate the therapeutic effect of low molecular weight heparin upon women with recurrent pregnancy loss and documented protein S deficiency. METHODS: During 2011-2016, 68 women with recurrent pregnancy loss (RPL) and protein S deficiency (both the free antigen and function of protein S were reduced) were initially enrolled...
2016: Thrombosis Journal
https://www.readbyqxmd.com/read/27798840/interferon-regulatory-factor-5-gene-polymorphisms-in-iranian-women-with-unexplained-recurrent-pregnancy-loss
#4
Rakhshan Amiri Jahromi, Mahboobeh Nasiri, Athar Rasekh Jahromi
OBJECTIVE: This study aimed to examine the association of three functional IRF5 rs10954213, rs3757385, and rs41298401 polymorphisms with susceptibility to unexplained recurrent pregnancy loss (RPL) among Iranian women from south of Iran. METHODS: 176 women with unexplained RPL and 173 healthy postmenopausal controls were enrolled in this case-control study. Genotyping of the polymorphisms rs10954213 and rs3757385 was carried out using touchdown tetra-primer amplification refractory mutation system-polymerase chain reaction (T-ARMS PCR), and polymorphism rs41298401 was typed using PCR-restriction fragment length polymorphism (PCR-RFLP)...
October 31, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27767237/il-7-il-7r-signaling-pathway-might-play-a-role-in-recurrent-pregnancy-losses-by-increasing-inflammatory-th17-cells-and-decreasing-treg-cells
#5
Li Wu, Jie Li, Hui Li Xu, Bo Xu, Xian Hong Tong, Joanne Kwak-Kim, Yu Sheng Liu
PROBLEM: We aim to investigate a possible role of IL-7/IL-7R signaling pathway in recurrent pregnancy losses (RPL). MATERIAL AND METHODS: Using the abortion-prone (AP) and non-abortion-prone (NP) mice model, fetal resorption rates (FRR), Th17 and Treg cells-related factors, and the effect of IL-7 and IL-7R antagonist were investigated by flow cytometry, quantitative real-time PCR, and immunohistochemistry. IL-7 and IL-7R expressions in human decidua were investigated by immunohistochemistry...
December 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27766963/associations-of-recurrent-miscarriages-with-chromosomal-abnormalities-thrombophilia-allelic-polymorphisms-and-or-consanguinity-in-saudi-arabia
#6
Rola F Turki, Mourad Assidi, Huda A Banni, Hanan A Zahed, Sajjad Karim, Hans-Juergen Schulten, Muhammad Abu-Elmagd, Abdulrahim A Rouzi, Osama Bajouh, Hassan S Jamal, Mohammed H Al-Qahtani, Adel M Abuzenadah
BACKGROUND: Recurrent pregnancy loss (RPL) or recurrent spontaneous abortion is an obstetric complication that affects couples at reproductive age. Previous reports documented a clear relationship between parents with chromosomal abnormalities and both recurrent miscarriages and infertility. However, limited data is available from the Arabian Peninsula which is known by higher rates of consanguineous marriages. The main goal of this study was to determine the prevalence of chromosomal abnormalities and thrombophilic polymorphisms, and to correlate them with RPL and consanguinity in Saudi Arabia...
October 10, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27743696/transcervical-embryoscopic-and-cytogenetic-findings-reveal-distinctive-differences-in-primary-and-secondary-recurrent-pregnancy-loss
#7
Michael Feichtinger, Elisabeth Wallner, Beda Hartmann, Angelika Reiner, Thomas Philipp
OBJECTIVE: To assess the cytogenetic and embryoscopic characteristics of primary and secondary recurrent pregnancy loss. DESIGN: Clinical prospective descriptive study. SETTING: Tertiary care center. PATIENT(S): Nine hundred and eighty-four women affected by first-trimester pregnancy loss; 145 patients with recurrent pregnancy loss (RPL) and 839 patients with nonrecurrent pregnancy loss as controls. INTERVENTION(S): Transcervical embryoscopic examination of the embryo before uterine evacuation, and cytogenetic analysis of the chorionic villi by standard G-banding cytogenetic techniques...
October 12, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27716543/deficiency-in-memory-b-cell-compartment-in-a-patient-with-infertility-and-recurrent-pregnancy-losses
#8
N Sung, H J Byeon, M D Salazar Garcia, A Skariah, L Wu, S Dambaeva, K Beaman, A Gilman-Sachs, J Kwak-Kim
Alterations in normal balance of B cell subsets have been reported in various rheumatic diseases. In this study, we report a woman with a history of recurrent pregnancy losses (RPL) and infertility who had low levels of memory B cells. A 35-year-old woman with a history of RPL and infertility was demonstrated to have increased peripheral blood CD19+ B cells with persistently low levels of memory B cell subsets. Prior to the frozen donor egg transfer cycle, prednisone and intravenous immunoglobulin G (IVIg) treatment was initiated and patient achieved dichorionic diamniotic twin pregnancies...
September 28, 2016: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/27668201/etiologic-characteristics-and-index-pregnancy-outcomes-of-recurrent-pregnancy-losses-in-korean-women
#9
Gi Su Lee, Joon Cheol Park, Jeong Ho Rhee, Jong In Kim
OBJECTIVE: The goal of this study was to evaluate the etiologies and clinical outcomes of Korean recurrent pregnancy loss (RPL) patients. And also, we investigated the differences between primary and secondary RPL patients, between two and three or more pregnancy losses. METHODS: One hundred seventy eight women diagnosed as RPL were enrolled. We performed chromosomal analysis, thyroid stimulating hormone, prolactin, blood glucose, plasminogen activator inhibitor-1, natural killer cell proportion, anticardiolipin antibodies, antiphospholipid antibodies, lupus anticoagulant, anti-β2glycoprotein-1 antibodies, antinuclear antibody, protein C, protein S, antithrombin III, homocysteine, MTFHR gene, factor V Leiden mutation, and hysterosalphingography/hysteroscopic evaluation...
September 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27666746/control-of-oriented-tissue-growth-through-repression-of-organ-boundary-genes-promotes-stem-morphogenesis
#10
Stefano Bencivenga, Antonio Serrano-Mislata, Max Bush, Samantha Fox, Robert Sablowski
The origin of the stem is a major but poorly understood aspect of plant development, partly because the stem initiates in a relatively inaccessible region of the shoot apical meristem called the rib zone (RZ). We developed quantitative 3D image analysis and clonal analysis tools, which revealed that the Arabidopsis homeodomain protein REPLUMLESS (RPL) establishes distinct patterns of oriented cell division and growth in the central and peripheral regions of the RZ. A genome-wide screen for target genes connected RPL directly to many of the key shoot development pathways, including the development of organ boundaries; accordingly, mutation of the organ boundary gene LIGHT-SENSITIVE HYPOCOTYL 4 restored RZ function and stem growth in the rpl mutant...
September 14, 2016: Developmental Cell
https://www.readbyqxmd.com/read/27629134/does-anticoagulant-therapy-improve-adverse-pregnancy-outcomes-in-patients-with-history-of-recurrent-pregnancy-loss
#11
Oner Aynıoglu, Hatice Isik, Ahmet Sahbaz, Husnu Alptekın, Ulku Bayar
OBJECTIVES: Recurrent pregnancy loss (RPL) is a serious problem in the reproductive age women. We aimed to study the role of anticoagulant therapy on pregnancy complications and perinatal outcomes in pregnant patients with histories of RPL. MATERIAL AND METHODS: One hundred fifty-three pregnants, with RPL history and thrombophilia positivity, were grouped into two as 89 treated with anticoagulant therapy and 64 non-treated. Treated and untreated groups were compared for pregnancy complications, delivery weeks, abortion rates, fetal birth weights, APGAR scores, live birth rates, and newborn intensive care admission rates...
2016: Ginekologia Polska
https://www.readbyqxmd.com/read/27605933/rice-ribosomal-protein-large-subunit-genes-and-their-spatio-temporal-and-stress-regulation
#12
Mazahar Moin, Achala Bakshi, Anusree Saha, Mouboni Dutta, Sheshu M Madhav, P B Kirti
Ribosomal proteins (RPs) are well-known for their role in mediating protein synthesis and maintaining the stability of the ribosomal complex, which includes small and large subunits. In the present investigation, in a genome-wide survey, we predicted that the large subunit of rice ribosomes is encoded by at least 123 genes including individual gene copies, distributed throughout the 12 chromosomes. We selected 34 candidate genes, each having 2-3 identical copies, for a detailed characterization of their gene structures, protein properties, cis-regulatory elements and comprehensive expression analysis...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27605737/methylenetetrahydrofolate-reductase-c677t-polymorphism-and-recurrent-pregnancy-loss-risk-in-asian-population-a-meta-analysis
#13
Vandana Rai
The C677T polymorphism of the methylenetetrahydrofolate reductase (MTHFR) gene was implicated to be associated with thrombophilia due to its role in catalyzing the formation of 5-methylenetetrahydrofolate, a co-substrate for the conversion of homocysteine to methionine. Several case-control studies were investigated MTHFR C677T polymorphism as risk for recurrent pregnancy loss (RPL). These studies rendered contradictory results, some indicating that the polymorphism is associated with the risk of RPL whereas others concluded there is no association...
October 2016: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/27600856/maternal-hy-restricting-hla-class-ii-alleles-are-associated-with-poor-long-term-outcome-in-recurrent-pregnancy-loss-after-a-boy
#14
Astrid Marie Kolte, Rudi Steffensen, Ole Bjarne Christiansen, Henriette Svarre Nielsen
PROBLEM: Women with secondary recurrent pregnancy loss (RPL) after a boy have a reduced chance of live birth in the first pregnancy after referral if they carry HY-restricting HLA class II alleles, but long-term chance of live birth is unknown. METHODS OF STUDY: Live birth was compared for 540 women with unexplained secondary RPL according to firstborn's sex and maternal carriage of HLA-DRB3*03:01, HLA-DQB1*05:01/02, HLA-DRB1*15, and HLA-DRB1*07. The groups were compared by Cox proportional hazard ratios...
November 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27591241/recurrent-pregnancy-loss-what-is-the-impact-of-consecutive-versus-non-consecutive-losses
#15
P Egerup, A M Kolte, E C Larsen, M Krog, H S Nielsen, O B Christiansen
STUDY QUESTION: Is there a different prognostic impact for consecutive and non-consecutive early pregnancy losses in women with secondary recurrent pregnancy loss (RPL)? SUMMARY ANSWER: Only consecutive early pregnancy losses after the last birth have a statistically significant negative prognostic impact in women with secondary RPL. WHAT IS KNOWN ALREADY: The risk of a new pregnancy loss increases with the number of previous pregnancy losses in patients with RPL...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27560353/chromosomal-polymorphic-variants-increase-aneuploidies-in-male-gametes-and-embryos
#16
Ruth Morales, Belén Lledó, José A Ortiz, Jorge Ten, Joaquin Llácer, Rafael Bernabeu
UNLABELLED: Chromosomal polymorphisms involve heterochromatic regions and occur in the general population. However, previous studies have reported a higher incidence of these variants in infertile patients. The aim of this study was to examine the relationship between polymorphic variants and infertility and their association with aneuploidies in male gametes and embryos. We retrospectively considered 1,551 cytogenetic studies involving infertile patients (study group; n=866) and oocyte/sperm donors as the control group (n=685)...
October 2016: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/27545493/association-of-peripheral-blood-dendritic-cells-with-recurrent-pregnancy-loss-a-case-controlled-study
#17
Chunyu Huang, Hongzhan Zhang, Xian Chen, Lianghui Diao, Ruochun Lian, Xu Zhang, Lina Hu, Yong Zeng
PROBLEM: Dendritic cells (DCs) have been reported to play an important role in pregnancy. However, the role of DCs in recurrent pregnancy loss (RPL) has not been investigated well. METHOD OF STUDY: Forty-three women affected by RPL and 16 fertile controls were recruited from June 2013 to December 2014. The peripheral blood DCs subsets, including myeloid DCs (mDCs) and plasmacytoid DCs (pDCs), the levels (%) of CD80(+) , CD86(+) , and CD200(+) DCs were analyzed using flow cytometry...
October 2016: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/27535546/reduced-expressions-of-connexin-43-and-vegf-in-the-first-trimester-tissues-from-women-with-recurrent-pregnancy-loss
#18
Xiaoping He, Qinfang Chen
BACKGROUND: Approximately 45-50 % of the recurrent pregnancy loss (RPL) remain(s) unexplained that challenges its clinical management. Formation and development of placenta as well as angiogenesis are critical for successful pregnancy. Vascular endothelial growth factor (VEGF) and connexin 43 (Cx43) play important roles in angiogenesis and placenta development and aberration of these have been linked to RPL. We aimed to investigate whether the expressions of VEGF and Cx43 were altered in the first-trimester tissues (chorionic villi and decidua) collected from women with RPL compared to those from healthy early pregnant women...
2016: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/27491565/humoral-and-cellular-autoimmunity-in-women-with-recurrent-pregnancy-losses-and-repeated-implantation-failures-a-possible-role-of-vitamin-d
#19
REVIEW
Joanne Kwak-Kim, Annie Skariah, Li Wu, Dinorah Salazar, Nayoung Sung, Kuniaki Ota
Women with recurrent pregnancy losses (RPL) and repeated implantation failures (RIF) have auto- and cellular immune abnormalities. Approximately, 20% of women with RPL have autoimmune abnormalities, particularly antiphospholipid antibodies (APA). In addition, these women have a higher prevalence of antinuclear antibody, anti-thyroperoxidase and anti-thyroglobulin antibodies, and other non-organ-specific autoantibodies. In women with RPL, the presence of autoimmunity is often associated with cellular immune abnormalities, such as increased NK cell levels and Th1/Th2 cell ratios...
October 2016: Autoimmunity Reviews
https://www.readbyqxmd.com/read/27477959/decreased-expression-of-the-vitamin-d-receptor-in-women-with-recurrent-pregnancy-loss
#20
Xiaoting Yan, Liqin Wang, Chunfang Yan, Xinwen Zhang, Lingyun Hui, Qiu Sheng, Mingzhan Xue, Xuewen Yu
The multiple functions of vitamin D3 have stimulated interest in the role that this vitamin may play during pregnancy. The present study investigated the expression of the vitamin D receptor (VDR) in women during the first trimester of pregnancy in order to determine whether VDR is associated with recurrent pregnancy loss (RPL). Forty women at 7-10 weeks gestation with RPL and 40 women of similar gestational age with a healthy pregnancy were recruited. VDR mRNA and protein in chorionic villi and decidua were evaluated by immunohistochemistry, confocal laser scanning microscopy (CLSM), western blot, and quantitative real-time polymerase chain reaction...
September 15, 2016: Archives of Biochemistry and Biophysics
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