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Recurrent abortion

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https://www.readbyqxmd.com/read/28707146/association-between-g1733a-rs6152-polymorphism-in-androgen-receptor-gene-and-recurrent-spontaneous-abortions-in-mexican-population
#1
Ángela Porras-Dorantes, Aniel Jessica Leticia Brambila-Tapia, Alma Benita Lazcano-Castellanos, Thiago Donizete Da Silva-José, Jesús Alejandro Juárez-Osuna, José Elías García-Ortiz
INTRODUCTION: Recurrent spontaneous abortion (RSA) is a multifactorial condition that occurs with a frequency of 0.2-5% in women of reproductive age. Among genetic factors, the single nucleotide polymorphism (SNP) G1733A in the androgen receptor (AR) gene has been associated with its presence in Greek and Iranian populations. Therefore, the aim of this study is to determine its possible association with RSA in this population. PATIENTS AND METHODS: A total of 156 Mexican RSA (with at least 2 consecutive abortions) unrelated patients and 152 unrelated healthy women were included, the presence of karyotype anomalies in the parents as well as uterine anomalies as well as antiphospholipid antibodies was excluded in patients; while all the controls presented at least two healthy pregnancies and no abortion...
July 13, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28706612/polymorphisms-in-the-estrogen-receptor-beta-gene-and-the-risk-of-unexplained-recurrent-spontaneous-abortion
#2
Marzieh Mahdavipour, Saeed Zarei, Ramina Fatemi, Haleh Edalatkhah, Hamed Heidari-Vala, Mahmood Jeddi-Tehrani, Farah Idali
BACKGROUND: Recurrent Spontaneous Abortion (RSA) is caused by multiple genetic and non-genetic factors. Around 50% of the RSA cases have no known etiology and are considered as Unexplained RSA (URSA). Estrogens, via binding to their receptors, play an important role in female reproduction. This study aimed to investigate whether single nucleotide polymorphisms (SNPs; +1082G/A, +1730G/A and rs1256030 C/T) in the estrogen receptor beta (ESR2) gene are associated with susceptibility to URSA in a population of Iranian women...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28706525/functional-marker-assisted-improvement-of-stable-cytoplasmic-male-sterile-lines-of-rice-for-bacterial-blight-resistance
#3
Jegadeesan Ramalingam, Palanisamy Savitha, Ganesh Alagarasan, Ramasamy Saraswathi, Ranganathan Chandrababu
Bacterial blight (BB), caused by Xanthomonas oryzae pv.oryzae is one among the major diseases in rice, which in severe condition cause losses up to 60% in total yield. Marker assisted pyramiding of three broad spectrum BB resistance genes (xa5, xa13, and Xa21) in prominent rice varieties is the most economical and effective strategy for the management of the BB disease. We report here the pyramiding of three genes (xa5, xa13, and Xa21) in maintainer lines (CO 2B, CO 23B, and CO 24B) of three promising wild abortive cytoplasmic male sterile lines (CO 2A, CO 23A, and CO 24A) through functional markers assisted back cross breeding...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28704210/factor-xiii-deficiency-in-south-of-tunisia
#4
Ines Maaloul, Moez Medhaffer, Nacim Louhichi, Imen Krichen, Sofien Alibi, Sana Kmiha, Hajer Aloulou, Faiza Fakhfakh, Moez Elloumi, Choumous Kallel, Mongia Hachicha
: Factor XIII deficiency is a rare autosomal recessive disorder of hemostasis characterized by a plasmatic factor XIII level less than 1% in homozygote and bleeding as of the youth. The aim of the study is to describe the clinical features and the outcome of the patients and to determine molecular characteristics. A retrospective study, was conducted on seven patients with factor XIII deficiency in the department of hematology and pediatrics, Hedi Chaker Hospital, Sfax, Tunisia during the period of 14 years (2001-2014)...
July 12, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28702027/decreased-human-leukocyte-antigen-g-expression-by-mir-133a-contributes-to-impairment-of-proinvasion-and-proangiogenesis-functions-of-decidual-nk-cells
#5
Wenwei Guo, Liang Fang, Bo Li, Xifeng Xiao, Shuqiang Chen, Jun Wang, Fang Yang, Lihua Chen, Xiaohong Wang
Human leukocyte antigen (HLA)-G plays a crucial role in conferring fetal-maternal tolerance and ensuring a successful pregnancy. CD56(bright) natural killer (NK) cells accumulate at the maternal decidua in large numbers during pregnancy and are found in direct contact with fetal trophoblasts. There are increasing evidences that decidual NK (dNK) cells are crucial for pregnancy. However, the regulation of dNK cells is mostly unknown. Here, we provide evidences that the secretion function of dNK cells in recurrent spontaneous abortion was impaired, which led to the impairment of the proinvasion and proangiogenesis functions of dNK cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28700539/propranolol-treatment-prevents-chronic-central-sensitization-induced-by-repeated-dural-stimulation
#6
Nelly Boyer, Jérémy Signoret-Genest, Alain Artola, Radhouane Dallel, Lénaïc Monconduit
Migraine is currently conceptualized as a chronic disease with episodic manifestations. In some patients, migraine attack frequency increases, leading to chronic migraine. Daily preventive therapy is initiated to decrease attack frequency. Propranolol, a first-line medication for migraine prophylaxis, reduces attack frequency in nearly 50% of patients receiving it. However, the mechanisms of its antimigraine action are unclear. We examined the effect of daily propranolol treatment (10 mg.kg per os, 8 days) in a rat model of recurrent activation of dural nociceptors (repeated infusion of an inflammatory soup (IS) on the dura through a cannula every 2-3 days)...
July 8, 2017: Pain
https://www.readbyqxmd.com/read/28699111/hla-class-ib-in-pregnancy-and-pregnancy-related-disorders
#7
REVIEW
Gry Persson, Wenna Nascimento Melsted, Line Lynge Nilsson, Thomas Vauvert F Hviid
The HLA class Ib genes, HLA-E, HLA-F, and HLA-G, were discovered long after the classical HLA class Ia genes. The elucidation of their functions had a modest beginning. However, their basic functions and involvement in pathophysiology and a range of diseases are now emerging. Although results from a range of studies support the functional roles for the HLA class Ib molecules in adult life, especially HLA-G and HLA-F have most intensively been, and were also primarily, studied in relation to reproduction and pregnancy...
July 11, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28696810/mitochondrial-dna-variations-are-associated-with-recurrent-pregnancy-loss
#8
Ali Azadi, Dong Joo Seo, Hannaneh Jafari Sasansara, Michael Van Haute
Cases with three or more consecutive spontaneous abortions before the 20th week of gestation are termed as recurrent pregnancy loss (RPL). Problems in implantation of the foetus and any retarded growth of the foetus in the uterus can be correlated to RPL. Possible causes of RPL would include the genetic variations in the regulatory enzymes of the crucial metabolic pathways, clotting factors, hormones and hormone receptors. This defect of the mitochondrial respiratory chain is recognized as a major cause of human disease...
July 11, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28690381/polymorphism-of-the-pai-1gene-4g-5g-may-be-linked-with-polycystic-ovary-syndrome-and-associated-pregnancy-disorders-in-south-indian-women
#9
Maniraja Jesintha Mary, Lakshmanan Saravanan, Munuswamy Deecaraman, Melantharu Vijayalakshmi, Vetrivel Umashankar, Jaigopal Sailaja
Polycystic Ovary syndrome (PCOS) is the most common endocrine disorder affecting 5 - 10% of all women of reproductive age group. The present research was carried out to study the impact of Plasminogen Activator Inhibitor (PAI-1) 4G/5G polymorphism (rs1799889) in PCOS, and the risk of developing PCOS in South Indian Population. The study was carried out in 60 subjects of South Indian population (30 PCOS and 30 Non PCOS) recruited from ARC Research and Fertility Centre, Chennai, India. Genotype and Allelic frequencies were compared by Fisher exact test, Hardy Weinberg equilibrium...
2017: Bioinformation
https://www.readbyqxmd.com/read/28683784/decreasing-seroprevalence-of-herpes-simplex-virus-type-1-and-type-2-in-germany-leaves-many-people-susceptible-to-genital-infection-time-to-raise-awareness-and-enhance-control
#10
Gerit Korr, Michael Thamm, Irina Czogiel, Christina Poethko-Mueller, Viviane Bremer, Klaus Jansen
BACKGROUND: Herpes simplex infections (HSV1/2) are characterized by recurrent symptoms, a risk of neonatal herpes, and the facilitation of HIV transmission. In Germany, HSV1/2 infections are not notifiable and data are scarce. A previous study found higher HSV1/2 seroprevalences in women in East Germany than in women in West Germany. We assessed changes in the HSV1/2 seroprevalences over time and investigated determinants associated with HSV1/2 seropositivity to guide prevention and control...
July 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28677727/serum-biomarker-analysis-in-patients-with-recurrent-spontaneous-abortion
#11
Ying Wu, Junqin He, Chunyu Guo, Ying Zhang, Wei Yang, Mingwei Xin, Xinyun Liang, Xiaodan Yin, Jingshang Wang, Yanfeng Liu
Recurrent spontaneous abortion (RSA) occurs in 1‑5% of parturients. The sustained therapy and research for RSA is expensive, which is a serious issue faced by both patients and doctors. The aim of the present study was to detect protein expression profiles in the serum of RSA patients and healthy controls, and to identify potential biomarkers for this disease. A 1,000‑protein microarray consisting of a combination of Human L‑507 and L‑493 was used. The microarray data revealed that eight serum protein expression levels were significantly upregulated and 143 proteins were downregulated in RSA patients compared with the healthy controls...
June 30, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28670059/management-of-pelvic-floor-disorder-in-a-diethylstilbestrol-daughter
#12
Christopher P Chung, Suzanne Cao, Grace Wakabayashi, Ernest S Han
Between 1947 and 1971, the synthetic estrogen diethylstilbestrol (DES) was prescribed to pregnant women to prevent spontaneous abortions. Many studies have demonstrated adverse consequences of prenatal DES exposure. This report describes a DES daughter treated for uterine cancer who presented with a foreshortened vagina of 4 cm and stage III pelvic organ prolapse. She underwent successful vaginal native tissue reconstructive surgery with uterosacral colpopexy and anterior and posterior repair to lengthen her vagina and treat her prolapse...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28658321/effect-of-the-p53-tristetraprolin-stathmin-1-pathway-on-trophoblasts-at-maternal-fetal-interface
#13
Xiao-Ling Ma, Xiao-Cui Li, Fu-Ju Tian, Si-Ming Zhang, Xiao-Rui Liu, Yan Zhang, Jian-Xia Fan, Yi Lin
PROBLEM: To reveal the effect of p53-tristetraprolin-stathmin-1 signaling on trophoblasts and recurrent spontaneous abortion (RSA). METHOD OF STUDY: Stathmin-1 (STMN1), p53, and tristetraprolin (TTP) expression in paraffin-embedded villus tissue was determined using immunohistochemistry. HTR-8/SVneo cells were treated with doxorubicin to activate p53; STMN1 and TTP levels were detected by quantitative reverse transcription-PCR and western blotting. Western blotting and immunofluorescence were used to investigate STMN1 expression after TTP overexpression or knockdown in HTR-8 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28648621/differential-expression-of-circulating-th1-th2-th17-cytokines-in-serum-of-chlamydia-trachomatis-infected-women-undergoing-incomplete-spontaneous-abortion
#14
Priya Prasad, Namita Singh, Banashree Das, Sheikh Raisuddin, Mridu Dudeja, Sangita Rastogi
The study aimed to elucidate role of Th1/Th2/Th17 cytokines in the immunopathogenesis of spontaneous abortion in Chlamydia trachomatis (Ct)-positive first-trimester aborters. Endometrial curettage tissue and serum were collected from 145 aborters (spontaneous abortion (SA) group, n = 85; recurrent miscarriage (RM) group, n = 60) and 120 controls attending Department of Obstetrics & Gynecology at Safdarjung hospital, New Delhi (India). Polymerase chain reaction was used to detect Ct plasmid/MOMP, while commercial cytometric bead array kit was utilized to estimate circulating serum cytokines...
June 23, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28639391/an-investigation-of-the-relationship-between-recurrent-spontaneous-abortion-and-memory-t-follicular-helper-cells
#15
Xiaorui Luan, Xiaomin Kang, Weiping Li, Qian Dong
PROBLEM: Immune tolerance with respect to a semi-allogeneic fetus plays a key role in the establishment of a pregnancy. Memory T follicular helper (Tfh) cells have a central role in the regulation of the adaptive immune response. Much of our knowledge of memory Tfh cells' function comes from immune-related diseases. However, the true physiological characteristics of memory Tfh cells and their mode of action in pregnancy remain unclear. METHODS OF STUDY: Deciduas and blood were obtained from 25 recurrent spontaneous abortion (RSA) patients undergoing surgical abortion and 19 normal women in early pregnancy undergoing elective termination...
June 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28638401/development-of-elite-bph-resistant-wide-spectrum-restorer-lines-for-three-and-two-line-hybrid-rice
#16
Fengfeng Fan, Nengwu Li, Yunping Chen, Xingdan Liu, Heng Sun, Jie Wang, Guangcun He, Yingguo Zhu, Shaoqing Li
Hybrid rice has contributed significantly to the world food security. Breeding of elite high-yield, strong-resistant broad-spectrum restorer line is an important strategy for hybrid rice in commercial breeding programs. Here, we developed three elite brown planthopper (BPH)-resistant wide-spectrum restorer lines by pyramiding big-panicle gene Gn8.1, BPH-resistant genes Bph6 and Bph9, fertility restorer genes Rf3, Rf4, Rf5, and Rf6 through molecular marker assisted selection. Resistance analysis revealed that the newly developed restorer lines showed stronger BPH-resistance than any of the single-gene donor parent Luoyang-6 and Luoyang-9...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28627774/decreased-expression-of-wnt2-in-villi-of-unexplained-recurrent-spontaneous-abortion-patients-may-cause-trophoblast-cell-dysfunction-via-downregulated-wnt-%C3%AE-catenin-signaling-pathway
#17
Ning Li, Shuhong Li, Yanwei Wang, Jiahui Wang, Kai Wang, Xin Liu, Yan Li, Juan Liu
WNT2 has been reported to be important for placental development, especially for the proper vascularization of the placenta. However, its precise role in first-trimester trophoblast cells is still unknown. WNT2 expression in the villous tissues of unexplained recurrent spontaneous abortion (URSA) patients was compared with that of healthy women by Western blot. The function of WNT2 in HTR-8/SVneo trophoblast cells was evaluated by altering the cellular WNT2 level through overexpression and shRNA knockdown. The molecular mechanism of the effect of WNT2 on trophoblast cells was investigated...
June 19, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28622309/eyelid-and-fornix-reconstruction-in-abortive-cryptophthalmos-a-single-center-experience-over-12-years
#18
J Ding, Z Hou, Y Li, N Lu, D Li
PurposeAbortive cryptophthalmos is a rare congenital eyelid anomaly with poor prognosis for vision and cosmesis. The study aims to present its varied manifestations and surgical outcomes.Patients and methodsThe medical records of patients with abortive cryptophthalmos treated at the Oculoplastic Clinic of Beijing Tongren Hospital between January 2004 and May 2016 were reviewed. Early surgical intervention was performed when exposure keratopathy occurs. Upper eyelid and superior fornix were mainly reconstructed with sliding myocutaneous flap and scleral and amniotic grafts...
June 16, 2017: Eye
https://www.readbyqxmd.com/read/28621297/endoscopic-ultrasound-with-or-without-fine-needle-aspiration-has-a-meaningful-impact-on-clinical-care-in-the-pediatric-population
#19
Amit Raina, Maire A Conrad, Benjamin Sahn, Alireza Sedarat, Gregory G Ginsberg, Nuzhat A Ahmad, Vinay Chandrasekhara, Petar Mamula, Michael L Kochman
BACKGROUND AND OBJECTIVES: The safety and utility of endoscopic ultrasound (EUS) for the evaluation and management of gastrointestinal (GI) tract disorders among adults has been established. The literature on safety and efficacy in a pediatric referral population (under 21 years of age) is limited. We hypothesized that EUS is safe and useful in the pediatric population. We reviewed the pediatric EUS experience at a single tertiary-care system. We describe the indications, findings, safety, technical success rate, and impact on clinical outcomes...
May 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28600043/placenta-associated-pregnancy-complications-in-pregnancies-complicated-with-placenta-previa
#20
Yael Baumfeld, Reli Herskovitz, Zehavi Bar Niv, Salvatore Andrea Mastrolia, Adi Y Weintraub
OBJECTIVES: The purpose of our study was to examine the hypothesis that pregnancies complicated with placenta previa have an increased risk of placental insufficiency associated pregnancy complications (IUGR, preeclampsia, placental abruption and perinatal mortality). MATERIALS AND METHODS: Our study included all deliveries that occurred at Soroka University Medical Center (Beer Sheva, Israel) between January 1998 and December 2013. Of them 1,249 were complicated by placenta previa and represented our study group...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
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