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https://www.readbyqxmd.com/read/28822854/involvement-of-cyclic-nucleotide-gated-channels-in-spontaneous-activity-generated-in-isolated-interstitial-cells-of-cajal-from-the-rabbit-urethra
#1
Maria Sancho, Eamonn Bradley, Angeles Garcia-Pascual, Domingo Triguero, Keith D Thornbury, Mark A Hollywood, Gerard P Sergeant
Cyclic nucleotide-gated (CNG) channels are non-selective cation channels that mediate influx of extracellular Na(+) and Ca(2+) in various cell types. L-cis-Diltiazem, a CNG channel blocker, inhibits contraction of urethral smooth muscle (USM), however the mechanisms underlying this effect are still unclear. We investigated the possibility that CNG channels contribute to spontaneous pacemaker activity in freshly isolated interstitial cells of Cajal (ICC) isolated from the rabbit urethra (RUICC). Using immunocytochemistry, we found intense CNG1-immunoreactivity in vimentin-immunoreactive RUICC, mainly within patches of the cellular body and processes...
August 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28811894/the-conceptual-advances-of-carcinogenic-sequence-model-in-high-grade-serous-ovarian-cancer
#2
Hiroshi Kobayashi, Kana Iwai, Emiko Niiro, Sachiko Morioka, Yuki Yamada, Kenji Ogawa, Naoki Kawahara
The present review focuses on the current status of molecular pathology in high-grade serous cancer (HGSC) and preneoplastic conditions. This article reviews the English-language literature on HGSC, precursor, fallopian tubal epithelium, secretory cells, ciliated cells, secretory cell expansion, secretory cell outgrowth (SCOUT), p53 signature, serous tubal intraepithelial carcinoma (STIC), DNA damage and immunohistochemistry in an effort to identify the precursor-carcinoma sequence in HGSC. The majority of HGSC originates from the fimbriated end of the fallopian tube secretory epithelial cells, while the small part of this disease may develop from ovarian cortical inclusion cyst (CIC)...
September 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28810294/-morphologic-features-of-fallopian-tubal-epithelium-in-pelvic-high-grade-serous-carcinoma
#3
R J Zhao, Y Y Wang, Z Li, K Y Wu, L F Kong, W X Zheng
Objective: To study the pathologic features of fallopian tubal epithelium in patients with pelvic high-grade serous carcinoma (HGSC), to investigate its role in pelvic serous carcinogenesis and to reclassify the primary site of HGSC based on recently proposed criteria. Methods: The fallopian tubes in 58 cases of pelvic HGSC (54 cases of ovarian primary, 3 cases of tubal primary, 1 case of peritoneum) and 25 cases of pelvic non-HGSC (5 cases of ovarian low-grade serous cancer, 9 cases of endometrioid cancer, and 11 cases of clear cell ovary carcinoma) were collected from June 2015 to December 2016, and serially examined under light microscope (SEE-FIM protocol)...
August 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28809063/color-and-power-doppler-combined-with-fetal-intelligent-navigation-echocardiography-fine-to-evaluate-the-fetal-heart
#4
L Yeo, R Romero
OBJECTIVE: To evaluate the performance of color and bidirectional power Doppler ultrasound combined with Fetal Intelligent Navigation Echocardiography (FINE) in examining the fetal heart. METHODS: A prospective cohort study was conducted of fetuses in the second and third trimesters with a normal heart or with congenital heart disease (CHD). One or more spatiotemporal image correlation (STIC) volume datasets, combined with color or bidirectional power Doppler (S-flow) imaging, were acquired in the apical four-chamber view...
August 14, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28804833/laboratory-testing-protocols-for-heparin-induced-thrombocytopenia-hit-testing
#5
Kun Kan Edwin Lau, Soma Mohammed, Leonardo Pasalic, Emmanuel J Favaloro
Heparin-induced thrombocytopenia (HIT) represents a significant high morbidity complication of heparin therapy. The clinicopathological diagnosis of HIT remains challenging for many reasons; thus, laboratory testing represents an important component of an accurate diagnosis. Although there are many assays available to assess HIT, these essentially fall into two categories-(a) immunological assays, and (b) functional assays. The current chapter presents protocols for several HIT assays, being those that are most commonly performed in laboratory practice and have the widest geographic distribution...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28765850/efficient-2d-double-quantum-solid-state-nmr-spectroscopy-with-large-spectral-widths
#6
Katharina Märker, Sabine Hediger, Gaël De Paëpe
2D double-quantum single-quantum correlation spectra with arbitrary spectral widths can be recorded with SR26 and related supercycled recoupling sequences when applying Supercycle-Timing-Compensation (STiC) phase shifts. This concept widely extends the applicability of supercycled sequences, most importantly for obtaining long-range distance constraints for structure determination with solid-state NMR.
August 2, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28733893/effects-of-new-generation-tmem16a-inhibitors-on-calcium-activated-chloride-currents-in-rabbit-urethral-interstitial-cells-of-cajal
#7
Stephen Fedigan, Eamonn Bradley, Timothy Webb, Roddy J Large, Mark A Hollywood, Keith D Thornbury, Noel G McHale, Gerard P Sergeant
Interstitial cells of Cajal (ICC) isolated from the rabbit urethra exhibit Ca(2+)-activated Cl(-) currents (I ClCa) that are important for the development of urethral tone. Here, we examined if TMEM16A (ANO1) contributed to this activity by examining the effect of "new-generation" TMEM16A inhibitors, CACCinh-A01 and T16Ainh-A01, on I ClCa recorded from freshly isolated rabbit urethral ICC (RUICC) and on contractions of intact strips of rabbit urethra smooth muscle. Real-time quantitative PCR experiments demonstrated that TMEM16A was highly expressed in rabbit urethra smooth muscle, in comparison to TMEM16B and TMEM16F...
July 21, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28731728/brief-report-laboratory-characterization-of-noroviruses-identified-in-specimens-from-military-health-system-beneficiaries-during-an-outbreak-in-germany-2016-2017
#8
Nellie D Darling, Daniela E Poss, Krista M Brooks, Jennifer A Steele, Koya C Allen, Paul Cf Graf, Rodney L Coldren, Daniel B Pederson, Alexander K Kayatani, Stic Harris
No abstract text is available yet for this article.
July 2017: MSMR
https://www.readbyqxmd.com/read/28731727/incidence-of-gastrointestinal-infections-among-u-s-active-component-service-members-stationed-in-the-u-s-compared-to-u-s-civilians-2012-2014
#9
Sarah E Hill, Daniela E Poss, Stic Harris
Gastrointestinal (GI) infections in the U.S. Armed Forces have consistently been among the most frequent disease and non-battle injury diagnoses. A retrospective analysis of surveillance data categorized as GI infections among active component service members during 2012-2014 was performed. During the study period, 99% of inpatient and outpatient GI encounters were reported as nonspecific GI infection (13,331 cases per 100,000 people), leaving only a small percentage of cases attributed to specific causes. The five most common organisms associated with GI infections were Campylobacter (10...
July 2017: MSMR
https://www.readbyqxmd.com/read/28692889/dynamic-real-time-in-vivo-confocal-laser-endomicroscopy-of-the-fallopian-tube-during-laparoscopy-in-the-prevention-of-ovarian-cancer
#10
Gautier Chene, Lauriane Chauvy, Annie Buenerd, Stéphanie Moret, Béatrice Nadaud, Philippe Chabert, Gery Lamblin
OBJECTIVES: Recently it has been postulated that most ovarian cancers have a tubal origin. The identification of preinvasive tubal lesions would be of great interest in the early diagnosis of ovarian cancer. Optical biopsy has been developed and validated in the detection of precancerous lesions (such as Barrett's oesophagus). The first objective of this study was to assess the feasibility of optical biopsy in the study of fallopian tubes during laparoscopy. The second objective was to describe the images in benign premalignant and malignant tubes with a histopathological and immunohistochemical (p53 and Ki67 expressions) correlation...
July 5, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28679680/chronic-hypoxia-alters-maternal-uterine-and-fetal-hemodynamics-in-the-term-pregnant-guinea-pig
#11
Shifa Turan, Graham W Aberdeen, Loren P Thompson
Placental hypoxia is associated with maternal hypertension, placental insufficiency and fetal growth restriction. In the pregnant guinea pig, prenatal hypoxia during early gestation inhibits cytotrophoblast invasion of spiral arteries, increases maternal blood pressure and induces fetal growth restriction. This study evaluated the impact of chronic maternal hypoxia on fetal heart structure with 4D echocardiography with spatio-temporal image correlation and tomographic ultrasound (STIC-TUI) and uterine and umbilical artery resistance/pulsatility indices and fetal heart function using pulsed wave Doppler ultrasound...
July 5, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28664938/lef1-is-preferentially-expressed-in-the-tubal-peritoneal-junctions-and-is-a-reliable-marker-of-tubal-intraepithelial-lesions
#12
Elisa Schmoeckel, Ashley A Odai-Afotey, Michael Schleißheimer, Miriam Rottmann, Andrea Flesken-Nikitin, Lora H Ellenson, Thomas Kirchner, Doris Mayr, Alexander Yu Nikitin
Recently it has been reported that serous tubal intraepithelial carcinoma (STIC), the likely precursor of ovarian/extra-uterine high-grade serous carcinoma, are frequently located in the vicinity of tubal-peritoneal junctions, consistent with the cancer-prone features of many epithelial transitional regions. To test if p53 (aka TP53)-signatures and secretory cell outgrowths (SCOUTs) also localize to tubal-peritoneal junctions, we examined these lesions in the fallopian tubes of patients undergoing salpingo-oophorectomy for sporadic high-grade serous carcinomas or as a prophylactic procedure for carriers of familial BRCA1 or 2 mutations...
June 30, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28645853/anterior-pallidal-deep-brain-stimulation-for-tourette-s-syndrome-a-randomised-double-blind-controlled-trial
#13
RANDOMIZED CONTROLLED TRIAL
Marie-Laure Welter, Jean-Luc Houeto, Stéphane Thobois, Benoit Bataille, Marc Guenot, Yulia Worbe, Andreas Hartmann, Virginie Czernecki, Eric Bardinet, Jerome Yelnik, Sophie Tezenas du Montcel, Yves Agid, Marie Vidailhet, Philippe Cornu, Audrey Tanguy, Solène Ansquer, Nematollah Jaafari, Emmanuel Poulet, Giulia Serra, Pierre Burbaud, Emmanuel Cuny, Bruno Aouizerate, Pierre Pollak, Stephan Chabardes, Mircea Polosan, Michel Borg, Denys Fontaine, Bruno Giordana, Sylvie Raoul, Tiphaine Rouaud, Anne Sauvaget, Isabelle Jalenques, Carine Karachi, Luc Mallet
BACKGROUND: Deep brain stimulation (DBS) has been proposed to treat patients with severe Tourette's syndrome, and open-label trials and two small double-blind trials have tested DBS of the posterior and the anterior internal globus pallidus (aGPi). We aimed to specifically assess the efficacy of aGPi DBS for severe Tourette's syndrome. METHODS: In this randomised, double-blind, controlled trial, we recruited patients aged 18-60 years with severe and medically refractory Tourette's syndrome from eight hospitals specialised in movement disorders in France...
August 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28645293/prenatal-screening-of-fetal-ventriculoarterial-connections-benefits-of-4d-technique-in-fetal-heart-imaging
#14
Yu Wang, Miao Fan, Faiza Amber Siddiqui, Meilian Wang, Wei Sun, Xue Sun, Wenjia Lei, Ying Zhang
BACKGROUND: Identification of prenatal ventriculoarterial connections in fetuses with conotruncal anomalies (CTA) remains one of the greatest challenges for sonographers performing screening examinations. Herein, we propose a novel protocol of 4D volume analysis that identifies ventriculoarterial connections and evaluate its clinical utility in routine screenings. METHODS: Twenty-nine cases of transposition of the great arteries (TGA), 22 cases of double-outlet right ventricle (DORV), 36 cases of tetralogy of Fallot (TOF), 14 cases of truncus arteriosus (TCA), and randomly selected 70 normal fetuses were reviewed in this study...
June 23, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28641300/prenatal-diagnosis-of-dextrocardia-with-complex-congenital-heart-disease-using-fetal-intelligent-navigation-echocardiography-fine-and-a-literature-review
#15
Lami Yeo, Suchaya Luewan, Dor Markush, Navleen Gill, Roberto Romero
Fetal dextrocardia is a type of cardiac malposition where the major axis from base to apex points to the right side. This condition is usually associated with a wide spectrum of complex cardiac defects. As a result, dextrocardia is conceptually difficult to understand and diagnose on prenatal ultrasound. The advantage of four-dimensional sonography with spatiotemporal image correlation (STIC) is that this modality can facilitate fetal cardiac examination. A novel method known as fetal intelligent navigation echocardiography (FINE) allows automatic generation of nine standard fetal echocardiography views in normal hearts by applying intelligent navigation technology to STIC volume datasets...
June 23, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28631711/-expansion-of-secretory-cells-in-the-fallopian-tubal-epithelium-in-the-early-stages-of-the-pathogenesis-of-ovarian-serous-carcinomas
#16
A V Asaturova, L S Ezhova, N M Faizullina, L V Adamyan, G N Khabas, M V Sannikova
AIM: to investigate the frequency of the types of fallopian tubal secretory cell expansion (SCE) in diseases of the reproductive organs and to determine the immunophenotype and biological role of the cells in the early stages of the pathogenesis of high-grade ovarian serous carcinomas (HGOSC). SUBJECTS AND METHODS: The investigation enrolled 287 patients with extraovarian diseases and ovarian serous tumors varying in grade, whose fallopian tubes were morphologically and immunohistochemically examined using p53, Ki-67, PAX2, Bcl-2, beta-catenin, and ALDH1 markers...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28623900/characterization-of-microrna-200-pathway-in-ovarian-cancer-and-serous-intraepithelial-carcinoma-of-fallopian-tube
#17
Junzheng Yang, Yilan Zhou, Shu-Kay Ng, Kuan-Chun Huang, Xiaoyan Ni, Pui-Wah Choi, Kathleen Hasselblatt, Michael G Muto, William R Welch, Ross S Berkowitz, Shu-Wing Ng
BACKGROUND: Ovarian cancer is the leading cause of death among gynecologic diseases in Western countries. We have previously identified a miR-200-E-cadherin axis that plays an important role in ovarian inclusion cyst formation and tumor invasion. The purpose of this study was to determine if the miR-200 pathway is involved in the early stages of ovarian cancer pathogenesis by studying the expression levels of the pathway components in a panel of clinical ovarian tissues, and fallopian tube tissues harboring serous tubal intraepithelial carcinomas (STICs), a suggested precursor lesion for high-grade serous tumors...
June 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28608929/high-grade-serous-carcinomas-arise-in-the-mouse-oviduct-via-defects-linked-to-the-human-disease
#18
Yali Zhai, Rong Wu, Rork Kuick, Michael S Sessine, Stephanie Schulman, Megan Green, Eric R Fearon, Kathleen R Cho
Recent studies suggest that the most common and lethal type of "ovarian" cancer, high-grade serous carcinoma (HGSC), usually arises from epithelium on the fallopian tube fimbriae, and not from the ovarian surface epithelium (OSE). We have developed Ovgp1-iCreER(T2) mice in which the Ovgp1 promoter controls expression of tamoxifen (TAM)-regulated Cre recombinase in oviductal epithelium - the murine equivalent of human fallopian tube epithelium (FTE). We employed Ovgp1-iCreER(T2) mice to show that FTE-specific inactivation of several different combinations of tumour suppressor genes recurrently mutated in human HGSCs - namely Brca1, Trp53, Rb1, and Nf1 - results in serous tubal intraepithelial carcinomas (STICs) that progress to HGSC or carcinosarcoma, and to widely metastatic disease in a subset of mice...
June 13, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28593778/-current-figo-staging-classification-for-cancer-of-ovary-fallopian-tube-and-peritoneum
#19
I Šišovská, L Minář, M Felsinger, M Anton, M Bednaříková, J Hausnerová, E Jandáková, V Weinberger
INTRODUCTION: Pelvic high-grade serous carcinomas (HGSCs) include carcinoma of ovary, fallopian tube, and peritoneum. Five-year survival, irrespective of the stage, is between 35-40%. Most patients are diagnosed in advanced stages of the disease. The new revised and expanded dualistic model of ovarian carcinogenesis shows that type II tumors are composed for the most part of high-grade serous ovarian carcinoma, carcinosarcoma, undifferentiated carcinoma and can be further subdivided into morphologic and molecular subtypes...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28571079/fetal-heart-function-by-tricuspid-annular-plane-systolic-excursion-and-ventricular-shortening-fraction-using-stic-m-mode-reference-ranges-and-validation
#20
Giselle Darahem Tedesco, Marilim de Souza Bezerra, Fernanda Silveira Bello Barros, Wellington P Martins, Luciano Marcondes Machado Nardozza, Rosiane Mattar, Antonio Fernandes Moron, Liliam Cristine Rolo, Edward Araujo Júnior
No abstract text is available yet for this article.
June 1, 2017: American Journal of Perinatology
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