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https://www.readbyqxmd.com/read/29324974/the-role-of-endoplasmic-reticulum-aminopeptidase-2-erap2-in-modulating-immune-detection-of-choriocarcinoma
#1
Michelle D Warthan, Sonya L Washington, Samone E Franzese, Ronald M Ramus, Kyu-Rae Kim, Timothy P York, Efstratios Stratikos, Jerome F Strauss, Eun D Lee
Gestational choriocarcinomas are derived from placental trophoblast cells, with HLA-C being the only class I polymorphic molecule expressed. However, choriocarcinomas have not been profiled for endoplasmic reticulum aminopeptidase 2 (ERAP2) expression. ERAP2 trims peptides presented by human leukocyte antigens (HLA) have shown to modulate immune response. Over 50% of choriocacinomas we screened lack ERAP2 expression, which suggests the absence of ERAP2 expression allows immune evasion of choriocarcinoma cells...
January 9, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29324606/obstetric-outcomes-after-failed-hysteroscopic-and-laparoscopic-sterilization-procedures
#2
Kristyn Brandi, Jake R Morgan, Michael K Paasche-Orlow, Rebecca B Perkins, OʼConnell Katharine White
OBJECTIVE: To compare obstetric outcomes after failed hysteroscopic and laparoscopic sterilization. METHODS: This retrospective cohort study examined pregnancy outcomes including live birth, preterm birth, stillbirth, spontaneous abortion, therapeutic abortion, ectopic pregnancies, and gestational trophoblastic disease using a commercial claims administrative database for the years 2007-2013. We used a Z-test to compare pregnancy outcomes per 100 person-years based on type of sterilization...
January 9, 2018: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29324544/gestational-trophoblastic-disease-electronic-consults-what-do-patients-and-physicians-want-to-know
#3
Roni Nitecki, Ross S Berkowitz, Kevin M Elias, Donald P Goldstein, Neil S Horowitz
OBJECTIVES: Given the rarity of gestational trophoblastic disease (GTD), specialized regional and national centers for GTD have been established. These centers serve at least 3 purposes: to improve care for women with GTD, to enhance research though collaboration, and to educate other clinicians. This study was undertaken to understand the potential GTD knowledge gap by examining both patient and physician inquiries received at a specialized GTD center. METHODS: All electronic consults received by specialists at our center between March 2016 and March 2017 were analyzed...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29324534/reproductive-outcomes-after-gestational-trophoblastic-neoplasia-a-comparison-between-single-agent-and-multiagent-chemotherapy-retrospective-analysis-from-the-mito-9-group
#4
Raffaella Cioffi, Alice Bergamini, Angiolo Gadducci, Gennaro Cormio, Veronica Giorgione, Micaela Petrone, Emanuela Rabaiotti, Francesca Pella, Massimo Candiani, Giorgia Mangili
OBJECTIVES: Gestational trophoblastic neoplasia affects women of reproductive age and is usually treated by chemotherapy. Major concerns related to chemotherapy in young women are the possible infertility, risk of early menopause, and teratogenic effects on subsequent pregnancies. The study's aim was to analyze menstrual and reproductive outcomes of women treated with single-agent versus multiagent chemotherapy for gestational trophoblastic neoplasia. METHODS: One-hundred fifty-one patients were treated...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29323809/case-report-of-an-ectopic-molar-pregnancy-in-the-presence-of-an-intrauterine-device
#5
Deborah A Simon, Angela L Smith, John R Holzhauer
BACKGROUND: Ectopic molar pregnancy is a rare phenomenon and has not been reported in the presence of an intrauterine device (IUD). Clinical diagnosis of molar pregnancy is challenging and requires careful follow-up. CASE: A 25-year-old woman (gravida 2, para 0) with a copper IUD in place presented with a positive pregnancy test. Diagnosis of the complete hydatidiform mole was pathologically confirmed after surgery following clinical and sonographic investigations that identified a left-sided ectopic pregnancy...
November 2017: WMJ: Official Publication of the State Medical Society of Wisconsin
https://www.readbyqxmd.com/read/29304364/systematic-review-of-health-related-quality-of-life-and-patient-reported-outcome-measures-in-gestational-trophoblastic-disease-a-parallel-synthesis-approach
#6
REVIEW
Jane Ireson, Georgina Jones, Matthew C Winter, Stephen C Radley, Barry W Hancock, John A Tidy
Gestational trophoblastic disease is a rare complication of pregnancy that can develop into cancer. Medical outcomes of gestational trophoblastic disease are well researched, but the effect of the disease on health-related quality of life (HRQOL) requires attention if care is to be improved. This systematic review was designed to establish the effect of gestational trophoblastic disease and its treatment on HRQOL and to identify the appropriateness of HRQOL measures. Quantitative studies found HRQOL in long-term survivors of gestational trophoblastic disease to be at or above population norms...
January 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29303055/yap-is-decreased-in-preeclampsia-and-regulates-invasion-and-apoptosis-of-htr-8-svneo
#7
Man Sun, Quan Na, Ling Huang, Guiyu Song, Feng Jin, Yuanyuan Li, Yue Hou, Danyang Kang, Chong Qiao
Preeclampsia (PE) is a gestational disorder with hypertension and proteinuria leading to maternal and fetal morbidity and mortality. Yes-associated protein (YAP), a transcription coactivator of Hippo pathway, was identified as an oncoprotein participated in tumorigenesis. However, the effect of YAP on trophoblast has not been investigated. In our study, YAP expression levels in first-trimester, full-term, and PE placentas were detected using quantitative real-time polymerase chain reaction (PCR), Western blot assays, and immunohistochemistry...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29284889/anaesthetic-implications-of-severe-hyperthyroidism-secondary-to-molar-pregnancy-a-case-report-and-review-of-literature
#8
Srinivasan Swaminathan, Roshin Ann James, Rashmi Chandran, Reesha Joshi
Pregnant women with gestational trophoblastic disease have an increased likelihood to develop hyperthyroidism secondary to increased secretion of human chorionic gonadotropin. Most of these cases of hyperthyroidism remain undiagnosed and may present as a thyrotoxic crisis during the perioperative period. Pregnant patients with gestational trophoblastic disease should be always evaluated for hyperthyroidism, and in cases of severe hyperthyroidism, antithyroid treatment should be initiated before evacuation of the mole...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29279391/inactivation-of-porcine-interleukin-1%C3%AE-results-in-failure-of-rapid-conceptus-elongation
#9
Jeffrey J Whyte, Ashley E Meyer, Lee D Spate, Joshua A Benne, Raissa Cecil, Melissa S Samuel, Clifton N Murphy, Randall S Prather, Rodney D Geisert
Conceptus expansion throughout the uterus of mammalian species with a noninvasive epitheliochorial type of placentation is critical establishing an adequate uterine surface area for nutrient support during gestation. Pig conceptuses undergo a unique rapid morphological transformation to elongate into filamentous threads within 1 h, which provides the uterine surface to support development and maintain functional corpora lutea through the production of estrogen. Conceptus production of a unique interleukin 1β, IL1B2, temporally increases during the period of trophoblast remodeling during elongation...
December 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29277274/maternal-high-estradiol-exposure-alters-cdkn1c-and-igf2-expression-in-human-placenta
#10
Xi-Jing Chen, Feng Chen, Ping-Ping Lv, Dan Zhang, Guo-Lian Ding, Xiao-Ling Hu, Chun Feng, Jian-Zhong Sheng, He-Feng Huang
INTRODUCTION: The increased maternal estradiol (E2) concentrations induced by assisted reproductive technology (ART) result in lower birth weight of offspring, which is associated with increased risk of adult diseases. However, the exact mechanism remains unknown. The present study investigated the effect of high E2 exposure on the expression of imprinted genes CDKN1C and IGF2 in human placentas and the DNA methylation status of their differential methylation regions (DMRs). METHODS: The mRNA expression of CDKN1C and IGF2 in human placentas and the human trophoblast cells (HTR8) treated with E2 were investigated by reverse transcription-real time polymerase chain reaction (PCR)...
January 2018: Placenta
https://www.readbyqxmd.com/read/29259495/bilateral-tubal-pregnancies-after-a-single-embryo-transfer
#11
Nobuo Sugawara, Rie Sato, Mika Kato, Tomomi Manome, Yasuyuki Kimura, Yasuhisa Araki, Yasuyuki Araki
Case: To present an extremely rare case of bilateral tubal pregnancies following a single-embryo transfer in a woman with a 4 year history of infertility prior to seeking assisted reproductive technology. Outcome: A pregnancy resulted from the transfer of an embryo that had been thawed from a frozen blastocyst during a hormone replacement cycle. An ultrasound that was performed at 5 weeks and 5 days of gestation revealed a gestational sac, embryo, and heartbeat in the right fallopian tube and similar signs of a gestational sac in the left fallopian tube...
October 2017: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29248195/is-chemotherapy-always-necessary-for-patients-with-nonmetastatic-gestational-trophoblastic-neoplasia-with-histopathological-diagnosis-of-choriocarcinoma
#12
Antonio Braga, Vanessa Campos, Jorge Rezende Filho, Lawrence H Lin, Sue Yazaki Sun, Christiani Bisinoto de Souza, Rita de Cássia Alves Ferreira da Silva, Elaine Azevedo Soares Leal, Eduardo Silveira, Izildinha Maestá, José Mauro Madi, Elza H Uberti, Maurício Viggiano, Kevin M Elias, Neil Horowitz, Ross S Berkowitz
OBJECTIVE: To evaluate expectant management versus immediate chemotherapy following pathological diagnosis of gestational choriocarcinoma (GCC) in patients with nonmetastatic disease. METHODS: Multicenter retrospective cohort that included patients with histological diagnosis of GCC with nonmetastatic disease followed at one of thirteen Brazilian referral centers for gestational trophoblastic disease from January 2000 to December 2016. RESULTS: Among 3191 patients with gestational trophoblastic neoplasia, 199 patients with nonmetastatic GCC were identified...
December 13, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29232272/relative-effects-of-age-race-and-stage-on-mortality-in-gestational-choriocarcinoma
#13
Christopher M Tarney, Chunqiao Tian, Eric R Craig, Barbara A Crothers, John K Chan, Glenn D Gist, Nicholas W Bateman, Thomas P Conrads, Chad A Hamilton, George Larry Maxwell, Kathleen M Darcy
OBJECTIVE: Gestational choriocarcinoma is a malignant form of gestational trophoblastic disease that usually arises after a molar pregnancy, but may follow any antecedent pregnancy. Investigations in this rare cancer are limited. We evaluated the prognostic effects of age, race, and stage in choriocarcinomas diagnosed for 4 decades. METHODS: Patients diagnosed as having gestational choriocarcinoma between 1973 and 2014 from the Surveillance, Epidemiology, and End Results program were eligible...
December 11, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29229321/the-role-of-aspirin-heparin-and-other-interventions-in-the-prevention-and-treatment-of-fetal-growth-restriction
#14
REVIEW
Katie M Groom, Anna L David
Fetal growth restriction and related placental pathologies such as preeclampsia, stillbirth, and placental abruption are believed to arise in early pregnancy when inadequate remodeling of the maternal spiral arteries leads to persistent high-resistance and low-flow uteroplacental circulation. The consequent placental ischaemia, reperfusion injury, and oxidative stress are associated with an imbalance in angiogenic/antiangiogenic factors. Many interventions have centered on the prevention and/or treatment of preeclampsia with results pertaining to fetal growth restriction and small-for-gestational-age pregnancy often included as secondary outcomes because of the common pathophysiology...
December 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29229282/what-is-the-optimal-duration-of-human-chorionic-gonadotrophin-surveillance-following-evacuation-of-a-molar-pregnancy-a-retrospective-analysis-on-over-20-000-consecutive-patients
#15
Christopher Coyle, Dee Short, Lauren Jackson, Neil J Sebire, Baljeet Kaur, Richard Harvey, Philip M Savage, Michael J Seckl
OBJECTIVE: To quantify the risk of developing post-molar gestational trophoblastic neoplasia (pGTN) beyond the first normal human chorionic gonadotrophin (hCG) in women who have had a complete (CHM) or partial molar pregnancy (PHM) and to re-evaluate the current UK Hydatidiform mole hCG surveillance guidelines. METHODS: The Charing Cross Hospital Trophoblast Disease Centre database was screened to identify all registered cases of hydatidiform mole (HM) between 1980 and 2009...
December 9, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29228121/low-dose-bisphenol-a-activates-the-erk-signaling-pathway-and-attenuates-steroidogenic-gene-expression-in-human-placental-cells
#16
Po-Wei Chu, Zhi-Jie Yang, Huei-Shing Huang, Ai-An Chang, Yu-Chen Cheng, Gwo-Jang Wu, Hsin-Chieh Lan
Bisphenol A (BPA) is an industrial material used for many plastic products and is considered an endocrine disruptor. BPA can be released into the environment and can spread through the food chain. It is well known that BPA exposure leads to lesions, especially in the reproductive system. According to previous studies, BPA reduces newborn numbers in pregnant mice and affects placentation. The placenta is a special endocrine organ during pregnancy. It secretes important hormones, such as progesterone and estrogen, to maintain gestation...
December 4, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29214637/identification-and-treatment-of-gestational-trophoblastic-neoplasia-located-in-the-cesarean-scar
#17
Xiaoyu Wang, Yuan Li, Junjun Yang, Yonglan He, Ming Wang, Xirun Wan, Yang Xiang
OBJECTIVE: To identify the clinical characteristics of, and the diagnostic and therapeutic strategies for, gestational trophoblastic neoplasia (GTN) located in the cesarean scar. METHODS: The present retrospective analysis was conducted among patients diagnosed with GTN located in the cesarean scar at Peking Union Medical College Hospital, Beijing, China, between June 1, 2006, and May 31, 2016. Clinical features, diagnostic and therapeutic procedures, and outcomes were reviewed...
December 6, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29213331/noninvasive-prenatal-diagnosis-of-fetal-aneuploidy-by-circulating-fetal-nucleated-red-blood-cells-and-extravillous-trophoblasts-using-silicon-based-nanostructured-microfluidics
#18
Chung-Er Huang, Gwo-Chin Ma, Hei-Jen Jou, Wen-Hsiang Lin, Dong-Jay Lee, Yi-Shing Lin, Norman A Ginsberg, Hsin-Fu Chen, Frank Mau-Chung Chang, Ming Chen
Background: Noninvasive prenatal testing (NIPT) based on cell-free DNA in maternal circulation has been accepted worldwide by the clinical community since 2011 but limitations, such as maternal malignancy and fetoplacental mosaicism, preclude its full replacement of invasive prenatal diagnosis. We present a novel silicon-based nanostructured microfluidics platform named as "Cell Reveal™" to demonstrate the feasibility of capturing circulating fetal nucleated red blood cells (fnRBC) and extravillous cytotrophoblasts (EVT) for cell-based noninvasive prenatal diagnosis (cbNIPD)...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/29208241/increased-trophoblast-inclusions-in-placentas-from-prematurely-born-infants-a-potential-marker-of-risk-for-preterm-neurodevelopmental-outcomes
#19
Morgan R Firestein, Rosanna Abellar, Michael M Myers, Martha G Welch
Trophoblast inclusions (TIs) are placental abnormalities of the trophoblast bilayer. Present in 2-8% of full-term placentas, they are associated with poor neurodevelopment, including autism. Although previously unstudied, examination of chorionic villi from 108 preterm births revealed a ∼4 fold increase in the frequency of TIs (30.5%). Frequency of TIs was inversely related to gestational age (GA); 43% of placentas <30 weeks and 20% of placentas ≥32 weeks had TIs (χ2 = 4.41, p = 0.036). This increased prevalence in preterm infants suggests that TIs may indicate adverse intrauterine processes or undetected genetic abnormalities and could identify infants at risk for poor neurodevelopment...
December 2017: Placenta
https://www.readbyqxmd.com/read/29208172/investigation-of-role-of-vascular-endothelial-growth-factor-annexin-a5-and-apelin-by-immunohistochemistry-method-in-placenta-of-preeclampsia-patients
#20
Nese Colcimen, Gülay Bulut, Ozlem Ergul Erkec, Murat Cetin Ragbetli
Preeclampsia is a disease characterized by hypertension and proteinuria occurred after 20 weeks of gestation. Preeclampsia is a major cause of maternal and fetal morbidity and mortality.  The pathophysiological mechanism of preeclampsia is not known exactly yet. Preeclampsia endothelial cell dysfunction, associated with inadequate trophoblastic invasion is characterized by abnormal placentation. Vascular endothelial growth factor (VEGF) according to is an angiogenic cytokine, Annexin A5 is among endogenous peptides are both expressed from placental trophoblasts and Apelin is a multifunctional peptide and expressed by placental trophoblasts and endothelial cells...
November 30, 2017: Cellular and Molecular Biology
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