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https://www.readbyqxmd.com/read/29779126/animal-models-of-chronic-migraine
#1
REVIEW
Tse-Ming Chou, Shih-Pin Chen
PURPOSE OF REVIEW: Chronic migraine (CM) is a recalcitrant subtype of migraine which causes high degrees of disability, poor treatment responses, and frequent recurrences in sufferers. However, the pathophysiological mechanisms underlying the development and chronification of migraine attacks remain incompletely understood. A validated animal model could help to decipher the pathogenic mechanism of the disease, facilitating the development of possible therapeutic strategies for CM. In this review, we aimed to summarize current animal models of CM and discuss the validity of these models...
May 19, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29778421/comparison-of-two-groups-for-the-apolipoprotein-e-polymorphisms-by-using-next-generation-sequencing-the-first-group-with-three-consecutive-abortions-and-the-second-group-with-at-most-one-abortion-in-three-consecutive-pregnancies
#2
Evren Gumus
The importance of apolipoprotein E genotypes and allelic polymorphisms in the etiology of recurrent miscarriage is controversial. We plan to investigate this in a two-group study involving more than a thousand participants. In total, 1046 subjects (802 participants in the first group, 244 participants in the second group) were investigated. Women in the first group had a history of ≥3 consecutive spontaneous miscarriage and women in the second group had at most one miscarriage in three consecutive pregnancies...
May 17, 2018: Gene
https://www.readbyqxmd.com/read/29768442/genetic-variation-in-the-clock-gene-is-associated-with-idiopathic-recurrent-spontaneous-abortion
#3
Alenka Hodžić, Polona Lavtar, Momčilo Ristanović, Ivana Novaković, Jelena Dotlić, Borut Peterlin
Physiological studies in animals and human support an important role of circadian system in reproduction. The aim of this study was to investigate the potential association of CLOCK gene polymorphisms with idiopathic recurrent spontaneous abortion (IRSA). We performed a case-control study. The study group consisted of 268 women with a history of three or more idiopathic recurrent spontaneous abortions and 284 women with at least two live births and no history of pathologic pregnancies all from Slovenia and Serbia...
2018: PloS One
https://www.readbyqxmd.com/read/29766507/abscisic-acid-prevents-pollen-abortion-under-high-temperature-stress-by-mediating-sugar-metabolism-in-rice-spikelets
#4
Md Rezaul Islam, Baohua Feng, Tingting Chen, Weimeng Fu, Caixia Zhang, Longxing Tao, Guanfu Fu
Heat stress at the pollen mother cell (PMC) meiotic stage leads to pollen sterility in rice, in which the reactive oxygen species (ROS) and sugar homeostasis are always adversely affected. This damage is reversed by abscisic acid (ABA), but the mechanisms underlying the interactions among the ABA, sugar metabolism, ROS and heat shock proteins (HSPs) in rice spikelets under heat stress are unclear. Two rice genotypes, Zhefu802 (a recurrent parent) and fgl (its near-isogenic line) were subjected to heat stress of 40°C after pre-foliage sprayed with ABA and its biosynthetic inhibitor fluridone at the meiotic stage of PMC...
May 16, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29762820/relation-between-mycoplasma-infection-and-recurrent-spontaneous-abortion
#5
C-J Cao, Y-F Wang, D-M Fang, Y Hu
OBJECTIVE: This study explores the possible relation between cervical infections with Ureaplasma urealyticum (UU) and Mycoplasma hominis (MH) and the occurrence of recurrent spontaneous abortion (RSA). PATIENTS AND METHODS: 132 patients with RSA (observation group) and 96 normal pregnancy volunteers undergoing planned abortions (control group) were selected successively and enrolled in the investigation. Cervical secretion samples were obtained for each subject...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29755726/-trueperella-pyogenes-and-brucella-abortus-coinfection-in-a-dog-and-a-cat-on-a-dairy-farm-in-egypt-with-recurrent-cases-of-mastitis-and-abortion
#6
Gamal Wareth, Mohamed El-Diasty, Falk Melzer, Jayaseelan Murugaiyan, Amir Abdulmawjood, Lisa D Sprague, Heinrich Neubauer
Trueperella pyogenes was isolated from a dog and a cat with a mixed infection with Brucella abortus . Both lived on a dairy cattle farm with a history of regular cases of abortion and mastitis. Identification of the bacteria was done by means of MALDI-TOF MS, loop-mediated isothermal amplification (LAMP) based on cpn 60, partial 16S rRNA sequencing, and growth on Loeffler Serum Medium. Isolation of Trueperella pyogenes on the dairy farm highlights its neglected role in reproduction failure and draws attention to its effects in the dairy industry in Egypt...
2018: Veterinary Medicine International
https://www.readbyqxmd.com/read/29741731/expression-of-grim-19-in-unexplained-recurrent-spontaneous-abortion-and-possible-pathogenesis
#7
Yang Yang, Laiyang Cheng, Xiaohui Deng, Hongling Yu, Lan Chao
STUDY QUESTION: Is aberrant expression of gene associated with retinoid-interferon-induced mortality-19 (GRIM-19) associated with unexplained recurrent spontaneous abortion (URSA)? SUMMARY ANSWER: GRIM-19 deficiency may regulate regulatory T cell/ T helper 17 cell (Treg/Th17) balance partly through reactive oxygen species (ROS) - mammalian target of rapamycin (mTOR) signaling axis in URSA. WHAT IS KNOWN ALREADY: Immunological disorders may cause impaired maternal immune tolerance to the fetus and result in fetal rejection...
May 8, 2018: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29729842/human-amniotic-epithelial-cells-inhibit-activation-and-pro-inflammatory-cytokines-production-of-naive-cd4-t-cells-from-women-with-unexplained-recurrent-spontaneous-abortion
#8
Hossein Motedayyen, Abbas Rezaei, Amir-Hassan Zarnani, Nader Tajik
Unexplained recurrent spontaneous abortion (URSA) has been assumed to be caused by a defect in maternal immunological tolerance to the fetus. Human amniotic epithelial cells (hAECs) have stem cell-like features and the ability to modulate the innate and adoptive immune responses. This study aimed to investigate whether hAECs have immunomodulatory effects on naive CD4+ T cells from URSA patients. hAECs were obtained from 15 healthy pregnant women and phenotypic profile of hAECs was determined by flow cytometry...
May 2, 2018: Reproductive Biology
https://www.readbyqxmd.com/read/29727533/-male-factors-and-countermeasures-for-recurrent-spontaneous-abortion
#9
Bao-Fang Jin
Recurrent spontaneous abortion (RSA) has a very complicated pathogenesis and male factors for this condition should not to be ignored, which are mainly related to genetics, immunology, infection, sperm quality, and others. In case of RSA, an etiological screening ought to be performed for the husband, which involves general, genetic and immunological examinations and infection detection. According to specific etiological factors, such measures as genetic consultation, immunotherapy, and traditional Chinese medication can be taken, which may contribute to the outcome of pregnancy...
October 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29720007/cytokine-induced-expression-of-nitric-oxide-synthases-in-chlamydia-trachomatis-infected-spontaneous-aborters
#10
Priya Prasad, Namita Singh, Banashree Das, Sheikh Raisuddin, Mridu Dudeja, Sangita Rastogi
PURPOSE: The aim of study was to evaluate expression of inducible nitric oxide synthase (iNOS), endothelial nitric oxide synthase (eNOS), interferon-gamma (IFN-γ), and tumor necrosis factor-alpha (TNF-α) in Chlamydia trachomatis (CT)-infected spontaneous aborters (SA). MATERIALS AND METHODS: Endometrial curettage tissue was collected from 140 SA (sporadic SA- 70; recurrent SA- 70) (Group I) and 140 age-matched controls (Group II) from Department of Obstetrics and Gynecology, Safdarjung Hospital, New Delhi, India...
May 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29718011/association-of-intron-2-variable-numbers-of-an-86-bp-tandem-repeat-polymorphisms-of-interleukin-1-receptor-antagonist-gene-and-idiopathic-recurrent-spontaneous-abortion
#11
Marco Antonio Avila-Vergara, Felipe de Jesús Peraza-Garay, Noemí Meraz-Cruz, Cesar Hernandez-Guerrero, Berenice Palacios-Gonzalez, Felipe Vadillo-Ortega
Background: It has been proposed that abnormal modulation of inflammatory response is involved in the physiopathology of idiopathic recurrent spontaneous abortion (iRSA). Factors that may participate in this process include the genetic background such as carrying specific polymorphisms of genes with functional effects. Objective: The objective is to study the association between iRSA and the frequency of intron-2 variable number tandem repeat-polymorphisms of interleukin-1 receptor antagonist gene (IL1RN)...
2018: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/29716658/a-case-report-of-spontaneous-abortion-caused-by-brucella-melitensis-biovar-3
#12
Hong-Xia Yang, Jun-Jun Feng, Qiu-Xiang Zhang, Rui-E Hao, Su-Xia Yao, Rong Zhao, Dong-Ri Piao, Bu-Yun Cui, Hai Jiang
BACKGROUND: Brucellosis is a worldwide zoonotic disease caused by Brucella spp. Brucella invades the body through the skin mucosa, digestive tract, and respiratory tract. However, only a few studies on human spontaneous abortion attributable to Brucella have been reported. In this work, the patient living in Shanxi Province in China who had suffered a spontaneous abortion was underwent pathogen detection and Brucella melitensis biovar 3 was identified. CASE PRESENTATION: The patient in this study was 22 years old...
May 2, 2018: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29709100/a-comparison-of-effectiveness-among-frequent-treatments-of-recurrent-spontaneous-abortion-a-bayesian-network-meta-analysis
#13
Sha Lv, Jing Yu, Xiaoxiao Xu
OBJECTIVE: A comprehensive network meta-analysis was designed to clarify contradictions and offer valuable clinical guidance in the treatment of recurrent spontaneous abortion (RSA). METHOD: The included clinical trials were selected from the relevant medical journal databases and screened. Treatments were ranked by the surface under the cumulative ranking curve. Heat plots were constructed to analyze the inconsistency between direct data and network results, and adjusted funnel plots were constructed to assess publication bias...
April 30, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29679490/increased-nk-cell-subsets-with-inhibitory-cytokines-and-inhibitory-surface-receptors-in-patients-with-recurrent-miscarriage-and-decreased-or-normal-subsets-in-kidney-transplant-recipients-late-post-transplant
#14
Li Zhu, Mostafa Aly, Haihao Wang, Hristos Karakizlis, Rolf Weimer, Christian Morath, Ruben Jeremias Kuon, Bettina Toth, Naruemol Ekpoom, Gerhard Opelz, Volker Daniel
BACKGROUND: Patients with recurrent miscarriage (RM) show up-regulated cytotoxic NK cells that are suspected to play a causal role in abortion. In the present study, we investigated counter-regulating inhibitory mechanisms and compared the results in RM patients with those of healthy controls (HC), patients with end stage renal disease (ESRD) and kidney transplant recipients late post-transplant (TX). METHODS: NK, NKT and T cell subsets were analyzed in the peripheral blood of 31 RM, 14 female ESRD and 9 female TX patients as well as 21 female HC using eight-color fluorescence flow cytometry...
April 21, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29678844/patients-with-unexplained-recurrent-spontaneous-abortion-show-decreased-levels-of-microrna-146a-5p-in-the-deciduae
#15
Liwei Zhao, Jian Li, Shiyun Huang
BACKGROUND: Immune intolerance of the fetal-placental unit may be a contributing cause of unexplained recurrent spontaneous abortion (URSA). OBJECTIVES: This study is to investigate the relevance of the miR-146a-5p/IFN-γ pathway to URSA. MATERIAL AND METHODS: Quantitative real-time RT-PCR and western blot were performed to compare the levels of miR-146a-5p, IFN-γ, IRAK1, and TRAF6 in the deciduae of URSA (n=29) and healthy women (n=35) after an elective abortion...
March 2018: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/29663372/regulatory-t-and-t-helper-17-cells-their-roles-in-preeclampsia
#16
REVIEW
Arezoo Hosseini, Sanam Dolati, Vida Hashemi, Meghdad Abdollahpour-Alitappeh, Mehdi Yousefi
Regulatory T (Treg) cells have been identified as key immune regulators and are important to fetal survival within the maternal uterus. T helper 17 (Th17) cells have also emerged as a new subset of effector helper T cells and play significant roles in host defense against extracellular pathogens, autoimmune conditions, and inflammatory chronic diseases. Recent findings have provided strong support for the contribution of Th17 and Treg cells to successful pregnancy. Disorders of pregnancy such as preeclampsia (PE) and recurrent spontaneous abortion (RSA) are associated with low frequencies of Treg cells and high levels of Th17 cells...
April 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29657243/distinct-pattern-of-th17-treg-cells-in-pregnant-women-with-a-history-of-unexplained-recurrent-spontaneous-abortion
#17
Jinfeng Qian, Na Zhang, Jing Lin, Caiyan Wang, Xinyao Pan, Lanting Chen, Dajin Li, Ling Wang
The aim of the current study was to determine the pattern of immune cells and related functional molecules in peripheral blood and at the maternal-fetal interface in women with unexplained recurrent spontaneous abortion (URSA). In part I, 155 women were included and divided into four groups: non-pregnant controls with no history of URSA (NPCs), pregnant controls with no history of URSA (PCs), non-pregnant women with a history of URSA (NPUs), and pregnant women with a history of URSA (PUs). Venous blood samples were collected and analyzed...
April 15, 2018: Bioscience Trends
https://www.readbyqxmd.com/read/29651447/impaired-gal-9-dysregulates-the-pbmc-induced-th1-th2-imbalance-in-abortion-prone-matings
#18
Mengzhou He, Ming Jiang, Yuan Zhou, Fanfan Li, Meitao Yang, Yao Fan, Yin Xie, Rajluxmee Beejadhursing, Ling Feng, Dongrui Deng
Recurrent miscarriage is defined as the loss of 3 or more consecutive pregnancies; however, the underlying immunologic mechanisms that trigger pregnancy loss remain largely unelucidated. Galectin-9 (Gal-9) may modulate a variety of biologic functions and play an important role in Th1/Th2 immune deviation. To analyze the mechanism of Gal-9 in abortion, we used the classical abortion-prone mouse model (DBA/2-mated CBA/J mice) to detect the expression of Gal-9 at the maternal-fetal interface. We also mimicked the immune environment of pregnancy by culturing trophoblast cells with peripheral blood mononuclear cells (PBMCs) to explore how Gal-9 might be involved in the pathogenesis of abortion...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29649722/long-term-incidence-and-recurrence-of-common-mental-disorders-after-abortion-a-dutch-prospective-cohort-study
#19
Jenneke van Ditzhuijzen, Margreet Ten Have, Ron de Graaf, Carolus H C J van Nijnatten, Wilma A M Vollebergh
In a previous study (Van Ditzhuijzen et al., 2017) we investigated the incidence and recurrence of mental disorders 2.5 to 3 years post-abortion. The aim of the current study was to extend these findings with longer term follow up data, up until 5-6 years post-abortion. We compared data of women who had had an abortion of the Dutch Abortion and Mental Health Study (DAMHS) to women who did not have an abortion from the Netherlands Mental Health Survey and Incidence Study-2 (NEMESIS-2) (Ntotal  = 2227). We used 1-to-1 matching on background confounding variables and measured post-abortion incidence and recurrence of common DSM-IV mental disorders (mood, anxiety, and substance use disorders) using the Composite International Diagnostic Interview (CIDI) version 3...
April 5, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29627847/pregnancy-outcomes-and-superiorities-of-prophylactic-cervical-cerclage-and-therapeutic-cervical-cerclage-in-cervical-insufficiency-pregnant-women
#20
Yanyan Liu, Zikan Ke, Wanmin Liao, Hanping Chen, Shiqing Wei, Xiaoquan Lai, Xi Chen
PURPOSE: To compare the clinical effect of prophylactic cervical cerclage and therapeutic cervical cerclage on pregnancy outcome and operative factors in cervical insufficiency pregnant women. METHODS: A retrospective study was conducted between June 2014 and September 2016 in a maternity ward, which included women who have had a single pregnancy and have been carried out a McDonald cerclage. All maternal medical records were reviewed. The efficacy of cerclage for preventing late foetal loss was assessed using multivariable logistic regression analysis...
April 7, 2018: Archives of Gynecology and Obstetrics
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