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https://www.readbyqxmd.com/read/28622710/effect-of-intravenous-immunoglobulin-on-th1-and-th2-lymphocytes-and-improvement-of-pregnancy-outcome-in-recurrent-pregnancy-loss-rpl
#1
Majid Ahmadi, Samaneh Abdolmohammadi-Vahid, Mahnaz Ghaebi, Leili Aghebati-Maleki, Amir Afkham, Shahla Danaii, Sedigheh Abdollahi-Fard, Lida Heidari, Farhad Jadidi-Niaragh, Vahid Younesi, Mohammad Nouri, Mehdi Yousefi
BACKGROUND: Women with elevated natural killer (NK) cell frequency and function during pregnancy, suffer from recurrent pregnancy loss (RPL). In the present study, the possible effect of intravenous immunoglobulin (IVIG) administration on Th1 and Th2 cell frequency, cytokine secretion, and expression of transcription factors is compared between RPL patients and control group. MATERIALS AND METHODS: Totally, 44 women with a history of RPL (32 women as treated group and 12 as control group) were enrolled in the study...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28620991/potential-positive-association-between-cytochrome-p450-1a1-gene-polymorphisms-and-recurrent-pregnancy-loss-a-meta-analysis
#2
Jie Li, Yang Chen, Sien Mo, Donghong Nai
In order to discover the potential genetic risks associated with recurrent pregnancy loss (RPL), this meta-analysis was conducted to assess the association between CYP1A1 gene polymorphism and RPL. Studies were retrieved from the databases PubMed, Embase, HuGENet, and CNKI. Four models were then applied. Seven studies, including three datasets for the rs1048943 and five for the rs4646903 single-nucleotide polymorphism (SNP), were included in this analysis, involving 613 cases and 398 controls for the rs1048943; and 864 cases and 842 controls for the rs4646903 SNP...
July 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28618769/association-study-of-ctla-4-49a-g-gene-polymorphism-with-recurrent-pregnancy-loss-in-the-iranian-azeri-turkish-ethnic-group
#3
Mortaza Bonyadi, Sara Parsa, Simin Taghavi, Narges Zeinalzadeh
BACKGROUND/AIM: Recurrent pregnancy loss (RPL) is defined as two or more pregnancy losses. T-regulatory cells play an important role in the feto-maternal interface. Cytotoxic-T-lymphocyte antigen-4 (CTLA-4) is a molecule that downregulates the activation and proliferation of T cells. The objective of the current study was to investigate the possible association of CTLA-4+49A/G gene polymorphism with RPL among patients from the Iranian Azeri Turkish ethnic group. MATERIALS AND METHODS: The study group/patients consisted of 101 women with the experience of two or more pregnancy losses and the control group consisted of 101 women with at least two live births, without any previous history of pregnancy loss and autoimmune diseases from the same ethnic group...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28605668/association-of-endothelial-nitric-oxide-synthase-gene-variants-786-t-c-intron-4-b-a-vntr-and-894-g-t-with-idiopathic-recurrent-pregnancy-loss-a-case-control-study-with-haplotype-and-in-silico-analysis
#4
Alireza Azani, Asghar Hosseinzadeh, Roya Azadkhah, Ali Akbar Poursadegh Zonouzi, Ahmad Poursadegh Zonouzi, Younes Aftabi, Hourieh Khani, Leida Heidary, Shahla Danaii, Nasrin Bargahi, Nasser Pouladi, Sayed Mostafa Hosseini
OBJECTIVE(S): Many lines of evidence suggest that reduced production of nitric oxide (NO) due to single nucleotide polymorphisms in endothelial nitric oxide synthase (eNOS) gene may affect the implantation and maintenance of pregnancy. Accordingly, our objective was to investigate whether the eNOS polymorphisms (-786 T>C, intron 4 b/a VNTR and 894 G>T) and haplotypes may be associated with increased susceptibility to recurrent pregnancy loss (RPL). STUDY DESIGN: A total of 130 women with a history of two or more unexplained consecutive first trimester miscarriages and 110 ethnically matched women with at least two normal pregnancies and no history of pregnancy loss were included in the study as cases and controls, respectively...
May 30, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28603947/thrombophilic-gene-polymorphisms-and-recurrent-pregnancy-loss-in-greek-women
#5
M Chatzidimitriou, D Chatzidimitriou, M Mavridou, C Anetakis, F Chatzopoulou, T Lialiaris, S Mitka
INTRODUCTION: Recurrent pregnancy loss (RPL) is a multifactorial disorder. The aim of this study was the detection of various genetic polymorphisms and their correlation to RPL, in Greek women. METHODS: The impact of 12 thrombophilic polymorphisms was evaluated, among 48 Greek women with a history of RPL, vs 27 healthy parous women. Multiplex PCR and in situ hybridization on nitrocellulose films were performed, to investigate 12 genetic polymorphisms previously reported as risk factors for RPL...
June 12, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28593919/effects-of-interleukin-1-receptor-antagonist-il-1ra-gene-86-bp-vntr-polymorphism-on-recurrent-pregnancy-loss-a-case-control-study
#6
Yasamin Sayed Hajizadeh, Elina Emami, Marina Nottagh, Zahra Amini, Nazila Fathi Maroufi, Saba Haj Azimian, Alireza Isazadeh
Objective Recurrent pregnancy loss (RPL) is a heterogeneous disease which is defined as two or more consecutive fetal losses during early pregnancy. Interleukin-1 receptor antagonist (IL-1Ra) is a anti-inflammatory cytokine, which inhibits IL-1 activity by binding to its receptors. The aim of this study was to investigate the association between RPL and IL-1Ra intron 2 polymorphism (86 bp VNTR) in Iranian women. Materials and methods In this case control study, genetic polymorphism was studied in 140 RPL patients and 140 healthy women as controls...
May 26, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28592685/robotic-navigation-to-sub-cortical-neural-tissue-for-intracellular-electrophysiology-in-vivo
#7
William Andrew Stoy, Ilya Kolb, Gregory Holst, Yi J Liew, Aurelie Pala, Bo Yang, Edward S Boyden, Garrett B Stanley, Craig R Forest
In vivo studies of neurophysiology using the whole-cell patch clamp technique enable exquisite access to both intracellular dynamics and cytosol of cells in the living brain but are underrepresented in deep subcortical nuclei due to fouling of the sensitive electrode tip. We have developed an autonomous method to navigate electrodes around obstacles such as blood vessels, after identifying them as a source of contamination during regional pipette localization (RPL) in vivo. In mice, robotic navigation prevented fouling of the electrode tip, increasing RPL success probability 3 mm below the pial surface to 82% (n=72/88) over traditional, linear localization (25%, n=24/95) and resulted in high quality thalamic whole-cell recordings with average access resistance (32...
June 7, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28574986/an-ethnobotanical-survey-of-indigenous-medicinal-plants-in-hafizabad-district-punjab-pakistan
#8
Muhammad Umair, Muhammad Altaf, Arshad Mehmood Abbasi
Present paper offers considerable information on traditional uses of medicinal plants by the inhabitants of Hafizabad district, Punjab-Pakistan. This is the first quantitative ethnobotanical study from the area comprising popularity level of medicinal plant species intendedby using relative popularity level (RPL) and rank order priority (ROP) indices.Ethnobotanical data were collected by interviewing 166 local informants and 35 traditional health practioners (THPs) from different localities of Hafizabad district...
2017: PloS One
https://www.readbyqxmd.com/read/28504829/prediction-of-thrombophilia-in-patients-with-unexplained-recurrent-pregnancy-loss-using-a-statistical-model
#9
Tongfei Wang, Xiaomin Kang, Liying He, Zhilan Liu, Haijing Xu, Aimin Zhao
OBJECTIVE: To establish a statistical model to predict thrombophilia in patients with unexplained recurrent pregnancy loss (URPL). METHODS: A retrospective case-control study was conducted at Ren Ji Hospital, Shanghai, China, from March 2014 to October 2016. The levels of D-dimer (DD), fibrinogen degradation products (FDP), activated partial thromboplastin time (APTT), prothrombin time (PT), thrombin time (TT), fibrinogen (Fg), and platelet aggregation in response to arachidonic acid (AA) and adenosine diphosphate (ADP) were collected...
May 15, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28493297/the-error-analysis-of-lobular-and-segmental-division-of-right-liver-by-volume-measurement
#10
Jianfei Zhang, Weigang Lin, Yanyan Chi, Nan Zheng, Qiang Xu, Guowei Zhang, Shengbo Yu, Chan Li, Bin Wang, Hongjin Sui
The aim of this study is to explore the inconsistencies between right liver volume as measured by imaging and the actual anatomical appearance of the right lobe. Five healthy donated livers were studied. The liver slices were obtained with hepatic segments multicolor-infused through the portal vein. In the slices, the lobes were divided by two methods: radiological landmarks and real anatomical boundaries. The areas of the right anterior lobe (RAL) and right posterior lobe (RPL) on each slice were measured using Photoshop CS5 and AutoCAD, and the volumes of the two lobes were calculated...
May 10, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28489914/mir-27a-and-mir-449b-polymorphisms-associated-with-a-risk-of-idiopathic-recurrent-pregnancy-loss
#11
HyungChul Rah, Ki Wha Chung, Ki Han Ko, Eun Sun Kim, Jung Oh Kim, Jung Hyun Sakong, Ji Hyang Kim, Woo Sik Lee, Nam Keun Kim
OBJECTIVE: MicroRNAs (miRNAs) regulate gene expression during the peri-implantation period. The purpose of this study was to investigate whether genetic polymorphisms in the four miRNAs associated with fetal or placental development play roles in the development of idiopathic recurrent pregnancy loss (RPL) in Korean females. STUDY DESIGN: A case-control study involving 225 controls and 387 women with at least two consecutively recurrent pregnancy losses between 1999 and 2012 was performed...
2017: PloS One
https://www.readbyqxmd.com/read/28473031/-recurrent-pregnancy-loss
#12
Maria Christine Krog, Astrid Marie Kolte, Karen Husby, Pia Egerup, Elisabeth Clare Larsen, Ole Bjarne Christiansen, Henriette Svarre Nielsen
Recurrent pregnancy loss (RPL) is defined as three or more consecutive pregnancy losses, and it affects 2-3% of couples trying to conceive. RPL is a multifactorial disorder, and only few evidence-based treatments are available. It is associated with an increased prevalence of stress and major depression, and also with immunogenetic markers, autoimmunity and an increase of the risk of cardiovascular disease in later life. Immunology seems to be a key element in RPL, and further research is needed to understand the pathogenesis of this heterogeneous condition in order to develop personalized treatment...
April 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28423690/preimplantation-factor-pif-protects-cultured-embryos-against-oxidative-stress-relevance-for-recurrent-pregnancy-loss-rpl-therapy
#13
Lindsay F Goodale, Soren Hayrabedran, Krassimira Todorova, Roumen Roussev, Sivakumar Ramu, Christopher Stamatkin, Carolyn B Coulam, Eytan R Barnea, Robert O Gilbert
Recurrent pregnancy loss (RPL) affects 2-3% of couples. Despite a detailed work-up, the etiology is frequently undefined, leading to non-targeted therapy. Viable embryos and placentae express PreImplantation Factor (PIF). Maternal circulating PIF regulates systemic immunity and reduces circulating natural killer cells cytotoxicity in RPL patients. PIF promotes singly cultured embryos' development while anti-PIF antibody abrogates it. RPL serum induced embryo toxicity is negated by PIF. We report that PIF rescues delayed embryo development caused by <3 kDa RPL serum fraction likely by reducing reactive oxygen species (ROS)...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422084/an-algorithm-for-timely-transmission-of-solicitation-messages-in-rpl-for-energy-efficient-node-mobility
#14
Jihong Park, Ki-Hyung Kim, Kangseok Kim
The IPv6 Routing Protocol for Low Power and Lossy Networks (RPL) was proposed for various applications of IPv6 low power wireless networks. While RPL supports various routing metrics and is designed to be suitable for wireless sensor network environments, it does not consider the mobility of nodes. Therefore, there is a need for a method that is energy efficient and that provides stable and reliable data transmission by considering the mobility of nodes in RPL networks. This paper proposes an algorithm to support node mobility in RPL in an energy-efficient manner and describes its operating principle based on different scenarios...
April 19, 2017: Sensors
https://www.readbyqxmd.com/read/28410127/oxidative-stress-major-executioner-in-disease-pathology-role-in-sperm-dna-damage-and-preventive-strategies
#15
REVIEW
Shilpa Bisht, Rima Dada
Oxidative stress (OS) has been implicated in a wide array of diseases such as neurodegenerative disorders, autoimmune diseases, complex lifestyle diseases and cancer. OS is caused by an imbalance in production of Reactive Oxygen Species (ROS) and antioxidant defenses in the cell which results in the damage of cellular components, inactivate essential metabolic enzymes and disrupt signal transduction pathways. OS induces peroxidative damage to the sperm plasma membrane, DNA fragmentation in sperm nuclear/mitochondrial genome and causes dysregulation in levels of mRNAs/transcripts...
June 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28346339/a-power-planning-algorithm-based-on-rpl-for-ami-wireless-sensor-networks
#16
Marcio L F Miguel, Edgard Jamhour, Marcelo E Pellenz, Manoel C Penna
The advanced metering infrastructure (AMI) is an architecture for two-way communication between electric, gas and water meters and city utilities. The AMI network is a wireless sensor network that provides communication for metering devices in the neighborhood area of the smart grid. Recently, the applicability of a routing protocol for low-power and lossy networks (RPL) has been considered in AMI networks. Some studies in the literature have pointed out problems with RPL, including sub-optimal path selection and instability...
March 25, 2017: Sensors
https://www.readbyqxmd.com/read/28345611/copy-number-variation-profile-in-the-placental-and-parental-genomes-of-recurrent-pregnancy-loss-families
#17
Laura Kasak, Kristiina Rull, Siim Sõber, Maris Laan
We have previously shown an extensive load of somatic copy number variations (CNVs) in the human placental genome with the highest fraction detected in normal term pregnancies. Hereby, we hypothesized that insufficient promotion of CNVs may impair placental development and lead to recurrent pregnancy loss (RPL). RPL affects ~3% of couples aiming at childbirth and idiopathic RPL represents ~50% of cases. We analysed placental and parental CNV profiles of idiopathic RPL trios (mother-father-placenta) and duos (mother-placenta)...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337825/expression-of-twist-in-the-first-trimester-trophoblast-and-decidual-tissue-of-women-with-recurrent-pregnancy-losses
#18
Jin Hee Ahn, Hye Ran Park, Chan-Woo Park, Dong-Wook Park, Joanne Kwak-Kim
PROBLEM: In this study, we aim to investigate if the expression of TWIST in the first-trimester placenta and decidua has any association with spontaneous abortion (SAB) and recurrent pregnancy losses (RPL). METHODS: Expression of TWIST was measured in the first-trimester trophoblast and decidual tissues using RT-PCR and immunohistochemistry. Women with a pregnancy loss comprised the study group (AB group) including women with two or more recurrent pregnancy loses (RPL group), and women with a spontaneous abortion who had no history of previous pregnancy losses (SAB group)...
March 24, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28326740/successful-pregnancy-after-intralipid-addition-to-sildenafil-and-enoxaparin-in-woman-with-history-of-recurrent-pregnancy-loss-rpl
#19
Malgorzata Jerzak, Monika Szafarowska, Monika Kniotek, Andrzej Gorski
OBJECTIVES: Does addition of Intralipid to sildenafil and enoxaparin immunotherapy improve pregnancy outcome? MATERIALS AND METHOD: Report of a striking case of a patient with history of 4 recurrent pregnancy losses (RPL) and IVF failures. RESULTS: Adding of Intralipid resulted in giving birth to a healthy male baby in the 3th IVF cycle. CONCLUSION: Combination therapy that includes Intralipid may generate successful IVF outcome, although this problem merits further study, especially regarding safety issues...
December 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28282525/association-between-vascular-endothelial-growth-factor-polymorphism-and-recurrent-pregnancy-loss-a-systematic-review-and-meta-analysis
#20
REVIEW
Yaling Sun, Min Chen, Benyu Mao, Xianglin Cheng, Xianping Zhang, Chuanxin Xu
PURPOSE: Some studies have reported that vascular endothelial growth factor (VEGF) genetic polymorphisms are associated with recurrent pregnancy loss (RPL), but the results are controversial. This study is aimed to quantify the strength of this association. METHODS: A systematic review of the published literature from Medline, Springer, and China National Knowledge Infra structure (CNKI) databases was conducted and investigations of VEGF genetic polymorphisms in RPL were selected...
March 2, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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