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https://www.readbyqxmd.com/read/28636348/the-development-of-an-aryloxazole-class-of-hepatitis-c-virus-inhibitors-targeting-the-entry-stage-of-the-viral-replication-cycle
#1
Shanshan He, Kelin Li, Billy Lin, Zonyi Hu, Jingbo Xiao, Xin Hu, Amy Q Wang, Xin Xu, Marc Ferrer, Noel Southall, Wei Zheng, Jeffrey Aubé, Frank J Schoenen, Juan J Marugan, T Jake Liang, Kevin J Frankowski
Reliance on hepatitis C virus (HCV) replicon systems and protein-based screening assays has led to treatments that target HCV viral replication proteins. The model does not encompass other viral replication cycle steps, such as entry, processing, assembly and secretion, or viral host factors. We previously applied a phenotypic high-throughput screening platform based on an infectious HCV system and discovered an aryloxazole-based anti-HCV hit. Structure-activity relationship studies revealed several compounds exhibiting EC50 values below 100 nM...
June 21, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28609937/generic-reclassification-of-species-formerly-included-in-i-rhantus-i-dejean-coleoptera-dytiscidae-colymbetinae
#2
Michael Balke, Jiří Hájek, Lars Hendrich
A reclassification of several species traditionally included in Rhantus Dejean, 1833 is given: Nartus Zaitzev, 1907 is re-instated as genus with one species in the Nearctic and one in the Palaearctic region; two new genera are erected: Meri-diorhantus n. gen., with M. antarcticus (Germain, 1854) n. comb., M. calidus (Fabricius, 1792) n. comb., M. limbatus (Aubé, 1838) n. comb., M. orbignyi (Balke, 1992) n. comb., M. validus (Sharp, 1882) n. comb. in the Neotropical region (M. calidus also in the southern USA and along the eastern coast as far north as New York City), and the monotypic Caperhantus n...
April 26, 2017: Zootaxa
https://www.readbyqxmd.com/read/28591707/identification-of-novel-small-molecule-beclin-1-mimetics-activating-autophagy
#3
Jia Yu, Lan Lan, Seth J Lewin, Steven A Rogers, Anuradha Roy, Xiaoqing Wu, Philip Gao, John Karanicolas, Jeffrey Aubé, Baiwang Sun, Liang Xu
Anti-apoptotic proteins Bcl-2 and Bcl-xL could block autophagy by binding to Beclin 1 protein, an essential inducer of autophagy. Compounds mimicking Beclin 1 might be able to disrupt Bcl-xL/2-Beclin 1 interaction, free out Beclin 1, and thus trigger autophagy. In order to identify small molecule Beclin 1 mimetics, a fluorescence polarization-based high-throughput screening of 50,316 compounds was carried out with a Z' score of 0.82 ± 0.05, and an outcome of 58 hits. After the structure analysis, three acridine analogues were unveiled and confirmed using the fluorescence polarization assay and the surface plasmon resonance assay...
May 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28586596/histological-pattern-of-endometrial-samples-in-postmenopausal-women-with-abnormal-uterine-bleeding
#4
Farhat Deeba, Shaista, Bushra Khan
OBJECTIVE: Abnormal uterine bleeding is one of the most common clinical problems in gynaecological practice and is an indicator of various underlying disorders. An endometrial biopsy should be done in all women over 35 years with AUB to rule out endometrial cancer or pre-malignant lesion and to initiate treatment. However, wide range of histological patterns on endometrial biopsy offer a diagnostic challenge to practicing pathologists. The objective of this study was to determine histological patterns of endometrium in postmenopausal women with abnormal uterine bleeding...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28560368/ultra-low-fouling-methylimidazolium-modified-surfaces-for-the-detection-of-her2-in-breast-cancer-cell-lysates
#5
Alexandra Aubé, Shirley Campbell, Andreea R Schmitzer, Audrey Claing, Jean-François Masson
We synthesized novel ultra-low fouling ionic liquids and demonstrated their use with surface plasmon resonance (SPR) sensing for the analysis of HER2 in breast cancer cell lysates. Whilst biomarkers are commonly detected in serum, this remains challenging for cancer diagnosis due to their low concentrations in circulation and in some cases, there is a poor correlation between serum and tissue concentrations. Therefore, a cell lysate constitutes an interesting biosample for cancer diagnosis and typing, which has been largely unexploited for chemical biosensing of cancer biomarkers...
May 31, 2017: Analyst
https://www.readbyqxmd.com/read/28541028/correction-to-structure-activity-relationship-studies-of-functionally-selective-kappa-opioid-receptor-agonists-that-modulate-erk-1-2-phosphorylation-while-preserving-g-protein-over-%C3%AE-arrestin2-signaling-bias
#6
Kimberly M Lovell, Kevin J Frankowski, Edward L Stahl, Stephen R Slauson, Euna Yoo, Thomas E Prisinzano, Jeffrey Aubé, Laura M Bohn
No abstract text is available yet for this article.
May 25, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28537655/comparative-effectiveness-and-impact-on-health-related-quality-of-life-of-hysterectomy-vs-levonorgestrel-intra-uterine-system-for-abnormal-uterine-bleeding
#7
G Cozza, A Pinto, V Giovanale, P Bianchi, A Guarino, R Marziani, A Frega, D Caserta
OBJECTIVE: To compare hysterectomy and levonorgestrel intra-uterine system (LNG-IUS) for the treatment of abnormal uterine bleeding (AUB) and iron deficiency anemia. PATIENTS AND METHODS: Retrospective study evaluating quality of life, sexual function, satisfaction and blood hemoglobin concentration improvement in 60 pre-menopausal women treated with hysterectomy or LNG-IUS. All analysis was performed with statistical software SPSS 21.0 (SPSS Inc., Chicago, IL, USA)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28500899/hysteroscopy-in-the-treatment-of-uterine-cesarean-section-scar-diverticulum-a-systematic-review
#8
REVIEW
Anna Abacjew-Chmylko, Dariusz G Wydra, Hanna Olszewska
The aim of this paper is to review and to analyze the results of previous studies dealing with hysteroscopic treatment of postcesarean scar defects. A systematic review of publications indexed in MEDLINE/PubMed database identified a total of 11 studies dealing with resectoscopic treatment of postcesarean scar defect. The review was conducted in line with the Meta-analysis of Observational Studies in Epidemiology (MOOSE) guidelines and the PRISMA statement. In only few studies, patients were qualified for hysteroscopic surgery based on the measurement of the defect depth and thickness of residual myometrium above the pouch...
May 10, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28490881/risk-of-obstructive-sleep-apnea-and-excessive-daytime-sleepiness-in-hospitalized-psychiatric-patients
#9
Farid R Talih, Jean J Ajaltouni, Hani M Tamim, Firas H Kobeissy
OBJECTIVES: This study evaluated the risk of developing obstructive sleep apnea (OSA) and excessive daytime sleepiness (EDS) in hospitalized psychiatric patients at the American University of Beirut Medical Center (AUB-MC). Factors associated with OSA and EDS occurrence in this sample were also examined. METHODS: The Berlin questionnaire and the Epworth sleepiness scale; which respectively evaluate OSA and EDS symptoms, were administered to individuals hospitalized at an acute psychiatric treatment unit at the AUB-MC between the dates of January 2014 and October 2016...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28479313/abnormal-uterine-bleeding-in-women-receiving-direct-oral-anticoagulants-for-the-treatment-of-venous-thromboembolism
#10
REVIEW
Richard Godin, Violaine Marcoux, Vicky Tagalakis
Abnormal uterine bleeding (AUB) is a common complication of anticoagulant therapy in premenopausal women affected with acute venous thromboembolism. AUB impacts quality of life, and can lead to premature cessation of anticoagulation. There is increasing data to suggest that the direct oral anticoagulants when used for the treatment of venous thromboembolism differ in their menstrual bleeding profile. This article aims to review the existing literature regarding the association between AUB and the direct oral anticoagulants and make practical recommendations...
May 4, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28472862/three-dimensional-saline-infusion-sonography-compared-to-two-dimensional-saline-infusion-sonography-for-the-diagnosis-of-focal-intracavitary-lesions
#11
REVIEW
Lotte L Nieuwenhuis, Frederik Jr Hermans, A J Marjolein Bij de Vaate, Mariska Mg Leeflang, Hans Am Brölmann, Wouter Jk Hehenkamp, Ben Willem J Mol, T Justin Clark, Judith Af Huirne
BACKGROUND: Focal abnormalities most commonly acquired within the uterine cavity include endometrial polyps (arising from the endometrium) and submucous fibroids (arising from the myometrium). These benign abnormalities can cause several problems, including abnormal uterine bleeding (AUB) and subfertility. Two-dimensional saline infusion sonography (2D SIS) is a minimally invasive test that can be used to diagnose these pathologies, but it is less accurate than hysteroscopy, which is a more invasive procedure by which an endoscope allows direct visualisation of the uterine cavity...
May 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28462159/lumbar-artery-pseudoaneurysm-a-complication-of-percutaneous-nephrostomy
#12
Melody Djuimo, Melanie Aubé, Mathieu Beland, Claudio Jeldres, Michel Carmel, Andrew Benko
A 21 year-old male underwent nephrostomy tube insertion for hydronephrosis due to a large para-aortic adenopathy of a testicular tumor. In order to reduce infections during chemotherapy, a ureteral stent was placed. While removing the nephrostomy tube, a pulsatile bleeding was found and a renal angiography was done. A pseudoaneurysm of his first left lumbar (L1) artery communicating with the nephrostomy's access site was found. An embolization was performed with coils in the left L1 artery and one of its subdivisions...
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28461073/liver-fibrosis-cirrhosis-and-cirrhosis-related-nodules-imaging-diagnosis-and-surveillance
#13
C Aubé, P Bazeries, J Lebigot, V Cartier, J Boursier
Although biological scores and elastography continue to yield the best results, imaging retains a crucial role in the diagnosis of liver fibrosis and cirrhosis. First, digestive symptoms or biological liver test abnormalities often lead the referring physician to request an abdominal ultrasound, and with an experienced operator, accuracy of ultrasound can reach 85% for the diagnosis of severe fibrosis or cirrhosis. Second, imaging could lead to discovery of nonsymptomatic fibrosis or cirrhosis, with an estimated prevalence of 0...
April 28, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28446937/laparoscopic-isthmocele-treatment-single-center-experience
#14
Michał Ciebiera, Magdalena Ciebiera, Magdalena Czekańska-Rawska, Grzegorz Jakiel
INTRODUCTION: A cesarean section is the most frequently performed surgery in modern obstetrics. In case of an incorrect wound healing process there is a risk of a persistent uterine wall defect. Nowadays, due to the high frequency of cesarean sections, obstetricians have to deal with the threat of uterine rupture due to pathological wound healing. It has been proven that isthmocele can cause abnormal uterine bleeding (AUB), pelvic pain (PP), and secondary infertility (SI), and can be a place of improper pregnancy placement...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28441530/aubergine-controls-germline-stem-cell-self-renewal-and-progeny-differentiation-via-distinct-mechanisms
#15
Xing Ma, Xiujuan Zhu, Yingying Han, Benjamin Story, Trieu Do, Xiaoqing Song, Su Wang, Ying Zhang, Marco Blanchette, Madelaine Gogol, Kate Hall, Allison Peak, Perera Anoja, Ting Xie
Piwi family protein Aubergine (Aub) maintains genome integrity in late germ cells of the Drosophila ovary through Piwi-associated RNA-mediated repression of transposon activities. Although it is highly expressed in germline stem cells (GSCs) and early progeny, it remains unclear whether it plays any roles in early GSC lineage development. Here we report that Aub promotes GSC self-renewal and GSC progeny differentiation. RNA-iCLIP results show that Aub binds the mRNAs encoding self-renewal and differentiation factors in cultured GSCs...
April 24, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28439599/agreement-of-histopathological-findings-of-uterine-curettage-and-hysterectomy-specimens-in-women-with-abnormal-uterine-bleeding
#16
Sanam Moradan, Raheb Ghorbani, Azita Lotfi
To examined the diagnostic value of  dilatation and curettage (D and C) in patients with abnormal uterine bleeding (AUB) by conducting a histopathological examination of endometrial tissues by D and C and hysterectomy. Methods: In this retrospective study, the medical records of 163 women who had been hospitalized  in the Obstetrics and Gynecology Ward, Amir-al-Momenin Hospital, Semnan, Iran between 2010 and 2015 for diagnostic curettage due to  AUB and who had undergone hysterectomy were investigated. The patients' characteristics and histopathologic results of curettage and hysterectomy were extracted, and sensitivity and specificity and positive and negative predictive values of curettage were calculated...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28420690/identification-of-protein-features-encoded-by-alternative-exons-using-exon-ontology
#17
Léon-Charles Tranchevent, Fabien Aubé, Louis Dulaurier, Clara Benoit-Pilven, Amandine Rey, Arnaud Poret, Emilie Chautard, Hussein Mortada, François-Olivier Desmet, Fatima Zahra Chakrama, Maira Alejandra Moreno-Garcia, Evelyne Goillot, Stéphane Janczarski, Franck Mortreux, Cyril F Bourgeois, Didier Auboeuf
Transcriptomic genome-wide analyses demonstrate massive variation of alternative splicing in many physiological and pathological situations. One major challenge is now to establish the biological contribution of alternative splicing variation in physiological- or pathological-associated cellular phenotypes. Toward this end, we developed a computational approach, named "Exon Ontology," based on terms corresponding to well-characterized protein features organized in an ontology tree. Exon Ontology is conceptually similar to Gene Ontology-based approaches but focuses on exon-encoded protein features instead of gene level functional annotations...
June 2017: Genome Research
https://www.readbyqxmd.com/read/28405466/potentially-effective-therapy-of-heavy-menstrual-bleeding-with-an-oestradiol-nomegestrol-acetate-oral-contraceptive-a-pilot-study
#18
Edith Weisberg, Kevin McGeehan, Jane Hangan, Ian S Fraser
BACKGROUND: Heavy menstrual bleeding (HMB) exceeding 80 mL per cycle leads to considerable adverse impact on a woman's iron metabolism, incidence of iron deficiency and anaemia, as well as her functioning in society. The objective of the study is to determine the potential efficacy of a Monophasic oestradiol-17β-nomegestrol acetate (E2/Nomac) combined oral contraceptive pill on measured menstrual blood loss as a pilot study in 12 women with objectively demonstrated HMB (>80 mL per cycle)...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28405119/figo-s-palm-coein-classification-of-abnormal-uterine-bleeding-a-clinico-histopathological-correlation-in-indian-setting
#19
Devanshi Mishra, Shabana Sultan
INTRODUCTION: Abnormal uterine bleeding (AUB) is the commonest menstrual problem during perimenopause. The International Federation of Gynaecology and Obstetrics working group on menstrual disorders has developed a classification system (PALM-COEIN) for causes of the AUB in non-gravid women. The present study was conducted with the aim to study the two components of this system in clinical practice in general and to establish a clinico-pathological correlation of AUB with context of PALM component in particular...
April 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28395852/diagnosis-of-hepatocellular-carcinoma-an-update-on-international-guidelines
#20
C Cassinotto, C Aubé, A Dohan
Imaging is essential for the successful management of patients with or at risk of developing hepatocellular carcinoma (HCC). If ultrasound remains the key screening modality, computed tomography and magnetic resonance imaging (MRI) can play a major role in the characterization and noninvasive diagnosis of nodules in patients at risk of developing HCC. Each technique has succeeded in adapting to the wide histological spectrum of focal liver lesions. In this review, we discuss recent advancements in imaging techniques and evaluation - notably diffusion-weighted imaging, contrast-enhanced ultrasound, and liver-specific MRI contrast agents - as well as their addition to international guidelines and reporting systems such as the Liver imaging reporting and data system (LI-RADS)...
May 2017: Diagnostic and Interventional Imaging
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