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https://www.readbyqxmd.com/read/28812378/bevacizumab-in-advanced-lung-cancer-state-of-the-art
#1
Sandra Assoun, Solenn Brosseau, Christelle Steinmetz, Valérie Gounant, Gérard Zalcman
Despite recent advances in metastatic lung cancer treatment with the advent of immune checkpoint inhibitors and molecules targeting addictive genomic abnormalities, prognosis of most of the patients remains unfavorable. Combination approaches with older drugs, such as bevacizumab, should be thus envisioned. Bevacizumab is a monoclonal anti-VEGF antibody, approved by the US FDA and the EMA in first-line and maintenance settings of advanced nonsquamous non-small-cell lung cancer (NSCLC) treatment, in association with platinum-based chemotherapy...
August 16, 2017: Future Oncology
https://www.readbyqxmd.com/read/28811100/is-supercritical-fluid-chromatography-hyphenated-to-mass-spectrometry-suitable-for-the-quality-control-of-vitamin-d3-oily-formulations
#2
B Andri, A Dispas, R Klinkenberg, B Streel, R D Marini, E Ziémons, Ph Hubert
Nowadays, many efforts are devoted to improve analytical methods regarding efficiency, analysis time and greenness. In this context, Supercritical Fluid Chromatography (SFC) is often regarded as a good alternative over Normal Phase Liquid Chromatography (NPLC). Indeed, modern SFC separations are fast, efficient with suitable quantitative performances. Moreover, the hyphenation of SFC to mass spectrometry (MS) provides additional gains in specificity and sensitivity. The present work aims at the determination of vitamin D3 by SFC-MS for routine Quality Control (QC) of medicines specifically...
July 27, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28810922/pleural-epithelioid-angiosarcoma-with-lymphatic-differentiation-arisen-after-radiometabolic-therapy-for-thyroid-carcinoma-immunohistochemical-findings-and-review-of-the-literature
#3
REVIEW
Daniela Cabibi, Giulia Pipitone, Rossana Porcasi, Sabrina Ingrao, Ignazio Benza, Calogero Porrello, Massimo Cajozzo, Antonino Giulio Giannone
BACKGROUND: Pleural angiosarcoma is a rare tumor that causes diffuse pleural thickening and effusion, mimicking mesothelioma. Immunohistochemistry is needed to highlight endothelial differentiation. We describe the first case of pleural angiosarcoma with lymphatic differentiation following radiometabolic therapy for thyroid carcinoma. CASE PRESENTATION: A 50-year-old man showed diffuse pleural thickening and effusion. Nine years earlier, he underwent thyroidectomy and radiometabolic therapy for thyroid carcinoma with lymph node metastases...
August 15, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28809141/hpv-11-variability-persistence-and-progression-to-genital-warts-in-men-the-him-study
#4
Ema Flores-Díaz, Karen A Sereday, Silvaneide Ferreira, Bradley Sirak, João Simão Sobrinho, Maria Luiza Baggio, Lenice Galan, Roberto C Silva, Eduardo Lazcano-Ponce, Anna R Giuliano, Luisa L Villa, Laura Sichero, The Him Study Group
HPV-11 and HPV-6 are the etiological agents of about 90 % of genital warts (GWs). The intra-typic variability of HPV-11 and its association with infection persistence and GW development remains undetermined. Here, HPV infection in men (HIM) participants who had an HPV-11 genital swab and/or GW, preceded or not by a normal skin genital swab were analysed. Genomic variants were characterized by PCR-sequencing and classified within lineages (A, B) and sublineages (A1, A2, A3, A4). HPV-11 A2 variants were the most frequently detected in the genital swab samples from controls and in both genital swabs and GW samples from cases...
August 15, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28808201/thalamic-paramagnetic-iron-by-t2-relaxometry-correlates-with-severity-of-multiple-sclerosis
#5
Eva Baranovicova, Ema Kantorova, Dagmar Kalenska, Lucia Lichardusova, Michal Bittsan-Sky, Dusan Dobrota
Iron can contribute to the pathogenesis and progression of multiple sclerosis (MS) due to its accumulation in the human brain. We focus on the thalamus as an information transmitter between various subcortical and cortical areas. Thalamic iron seems to follow different rules than iron in other deep gray matter structures and its relation to the clinical outcomes of MS is still indistinct. In our study, we investigated a connection between thalamic iron and patients' disability and course of the disease. The presence of paramagnetic substances in the tissues was tracked by T2* quantification...
July 13, 2017: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28806771/effect-of-knee-alignment-on-the-quadriceps-femoris-muscularity-cross-sectional-comparison-of-trained-versus-untrained-individuals-in-both-sexes
#6
Ryoichi Ema, Taku Wakahara, Kuniaki Hirayama, Yasuo Kawakami
Knee alignment is suggested to be a factor affecting each quadriceps femoris muscle size, and knee alignment such as Q-angle differs between men and women. Also, training can induce inhomogeneous hypertrophy among the quadriceps femoris, thereby leading to different component characteristics of the muscles. If Q-angle is a major determinant of the quadriceps femoris muscularity, it is hypothesized that the sex-related difference in the quadriceps femoris muscularity, if any, is further highlighted in trained individuals, being associated with Q-angle...
2017: PloS One
https://www.readbyqxmd.com/read/28806747/low-lamin-a-expression-in-lung-adenocarcinoma-cells-from-pleural-effusions-is-a-pejorative-factor-associated-with-high-number-of-metastatic-sites-and-poor-performance-status
#7
Elise Kaspi, Diane Frankel, Julien Guinde, Sophie Perrin, Sophie Laroumagne, Andrée Robaglia-Schlupp, Kevin Ostacolo, Karim Harhouri, Rachid Tazi-Mezalek, Joelle Micallef, Hervé Dutau, Pascale Tomasini, Annachiara De Sandre-Giovannoli, Nicolas Lévy, Pierre Cau, Philippe Astoul, Patrice Roll
The type V intermediate filament lamins are the principal components of the nuclear matrix, including the nuclear lamina. Lamins are divided into A-type and B-type, which are encoded by three genes, LMNA, LMNB1, and LMNB2. The alternative splicing of LMNA produces two major A-type lamins, lamin A and lamin C. Previous studies have suggested that lamins are involved in cancer development and progression. A-type lamins have been proposed as biomarkers for cancer diagnosis, prognosis, and/or follow-up. The aim of the present study was to investigate lamins in cancer cells from metastatic pleural effusions using immunofluorescence, western blotting, and flow cytometry...
2017: PloS One
https://www.readbyqxmd.com/read/28806568/a-simple-high-performance-liquid-chromatography-mass-spectrometry-method-for-therapeutic-drug-monitoring-of-isavuconazole-and-four-other-antifungal-drugs-in-human-plasma-samples
#8
Giovanna Fatiguso, Fabio Favata, Ilaria Zedda, Amedeo De Nicolò, Jessica Cusato, Valeria Avataneo, Giovanni Di Perri, Antonio D'Avolio
Triazoles chanced the prevention and treatment of invasive fungal infections, but their pharmacokinetic properties are still unclear. In particular, isavuconazole (ISC) is a new broad-spectrum antifungal triazole approved in 2015 as first-line treatment for intravenous and oral use against invasive aspergillosis and for mucormycosis. Nowadays, the optimal management of the treatments with triazoles requires the use of Therapeutic Drug Monitoring (TDM), in order to prevent sub-therapeutic or toxic concentrations...
August 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28805895/genetic-parameters-of-carcass-and-meat-quality-traits-in-different-muscles-longissimus-dorsi-and-semimembranosus-of-hanwoo-korean-cattle
#9
M S A Bhuiyan, H J Kim, D H Lee, S H Lee, S H Cho, B S Yang, S D Kim, S H Lee
We estimated heritability () and genetic and phenotypic correlations for carcass and meat quality traits of longissimus dorsi (LD) and semimembranosus (SM) muscles in 30-mo-old Hanwoo steers. Variance and covariance components were estimated using REML procedures under univariate and bivariate models. The mean carcass weight (CWT), eye muscle area (EMA), back fat thickness (BFT), and marbling score (MS) were 428.20 ± 46.30 kg, 87.38 ± 8.54 cm2, 13.00 ± 5.14 mm, and 5.21 ± 1.56, respectively. The mean CIE reflectance of meat lightness (L*), redness (a*), and yellowness (b*) were 40...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28801489/%C3%A2-529m-ema-relocation-could-have-far-reaching-consequences-for-vets
#10
(no author information available yet)
No abstract text is available yet for this article.
August 12, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28800010/cell-polarity-reversal-distinguishes-true-micropapillary-growth-from-retraction-artifact-in-invasive-urothelial-carcinoma
#11
Yiang Hui, Kara A Lombardo, M Ruhul Quddus, Andres Matoso
Focal micropapillary features in invasive urothelial carcinoma is sometimes difficult to distinguish from retraction artifact morphologically. Cell polarity reversal has been demonstrated in micropapillary tumors by epithelial membrane antigen (EMA) immunostaining. We have previously described the use of E-cadherin as a cell polarity marker in ovarian micropapillary serous borderline tumors. The aim of this study was to evaluate the utility of immunohistochemistry for EMA and E-cadherin in differentiating micropapillary urothelial carcinoma from retraction artifact...
August 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28799612/carbazole-based-bodipys-with-ethynyl-substituents-at-the-boron-center-solid-state-excimer-fluorescence-in-the-vis-nir-region
#12
Chihiro Maeda, Keiji Nagahata, Tadashi Ema
Carbazole-based BODIPYs 1-6 with several different substituents at the boron atom site were synthesized. These dyes fluoresced in the solid state, and 3a with phenylethynyl groups exhibited a red-shifted and broad fluorescence spectrum, which suggested an excimer emission. Its derivatives 3b-n were synthesized, and the relationship between the solid-state emission and crystal packing was investigated. The X-ray crystal structures revealed cofacial dimers that might form excimers. From the structural optimization results, we found that the introduction of mesityl groups hindered intermolecular access and led to reduced interactions between the dimers...
August 11, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28797507/myoepithelial-tumors-of-bone
#13
REVIEW
Wangzhao Song, Uta Flucke, Albert J H Suurmeijer
Myoepithelial tumors (METs) of bone (BMETs) are a rare but distinct tumor entity. METs that are cytologically benign are termed myoepitheliomas; METs with malignant histologic features are called myoepithelial carcinomas. BMETs have a wide age range, may involve any part of the skeleton, and have a variable spindle cell and epithelioid morphology. Bone tumors to be considered in the differential diagnosis are discussed. Additional techniques are indispensable to correctly diagnose BMETs. By immunohistochemistry, BMETs often express cytokeratins and/or EMA together with S100, GFAP, or calponin...
September 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/28797482/-principles-modalities-and-indications-of-the-administration-of-radium-in-cancers-focus-on-metastatic-prostate-cancer-state-of-arts
#14
REVIEW
Pauline Bertolaso, Laura Leroy, Marine Gross-Goupil, Olivier Aupee, Alain Ravaud, Guilhem Roubaud, Anne-Laure Cazeau, Sylvestre Le Moulec
Prostate cancer is the first cancer in men and has a specific tropism to bones. This tropism provided the rationale to develop bone targeting radiopharmaceutical agents, such as strontium, samarium and more recently the Radium-223, an alpha-emitter. In a phase III trial, ALSYMPCA, Radium-223 not only improved pain relief, but also impacted on overall survival. Despite an approval by both FDA and EMA, prescription of this agent remains limited by the lack of refund, especially in France. Radium-223 is currently evaluated in several clinical trials (combination with chemotherapy, radiotherapy or hormone therapy) in order to optimize the therapeutic sequences in metastatic bone prostate cancer and argues for being incorporated into the current therapeutic arsenal...
August 7, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28797307/using-smartphones-to-decrease-substance-use-via-self-monitoring-and-recovery-support-study-protocol-for-a-randomized-control-trial
#15
Christy K Scott, Michael L Dennis, David H Gustafson
BACKGROUND: Alcohol abuse, other substance use disorders, and risk behaviors associated with the human immunodeficiency virus (HIV) represent three of the top 10 modifiable causes of mortality in the US. Despite evidence that continuing care is effective in sustaining recovery from substance use disorders and associated behaviors, patients rarely receive it. Smartphone applications (apps) have been effective in delivering continuing care to patients almost anywhere and anytime. This study tests the effectiveness of two components of such apps: ongoing self-monitoring through Ecological Momentary Assessments (EMAs) and immediate recovery support through Ecological Momentary Interventions (EMIs)...
August 10, 2017: Trials
https://www.readbyqxmd.com/read/28795242/prox1-gfp-flt1-dsred-transgenic-mice-an-animal-model-for-simultaneous-live-imaging-of-angiogenesis-and-lymphangiogenesis
#16
Wei Zhong, Xinbo Gao, Shuangyong Wang, Kyuyeon Han, Masatsugu Ema, Susanne Adams, Ralf H Adams, Mark I Rosenblatt, Jin-Hong Chang, Dimitri T Azar
The roles of angiogenesis in development, health, and disease have been studied extensively; however, the studies related to lymphatic system are limited due to the difficulty in observing colorless lymphatic vessels. But recently, with the improved technique, the relative importance of the lymphatic system is just being revealed. We bred transgenic mice in which lymphatic endothelial cells express GFP (Prox1-GFP) with mice in which vascular endothelial cells express DsRed (Flt1-DsRed) to generate Prox1-GFP/Flt1-DsRed (PGFD) mice...
August 9, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28794934/activity-of-chitosan-lysozyme-nanoparticles-on-the-growth-membrane-integrity-and-%C3%AE-1-3-glucanase-production-by-aspergillus-parasiticus
#17
Cynthia Nazareth Hernández-Téllez, Francisco Julián Rodríguez-Córdova, Ema Carina Rosas-Burgos, Mario Onofre Cortez-Rocha, Armando Burgos-Hernández, Jaime Lizardi-Mendoza, Wilfrido Torres-Arreola, Aarón Martínez-Higuera, Maribel Plascencia-Jatomea
Synthesis of nanocomposites from antimicrobial biopolymers such as chitosan (CS) and lysozyme (LZ) is an important and promising area in bionanotechnology. Chitosan-lysozyme (CS-LZ) nanoparticles (NPs) were prepared by the nanoprecipitation method, using commercial chitosan of 153 kDa. TEM and dynamic light scattering (DLS) analysis were carried out to evaluate the morphology, size, dispersion, and Z potential. Association efficiency of lysozyme was determined using Coomassie blue assay. The antifungal activity of NPs against Aspergillus parasiticus was evaluated through cell viability (XTT), germination and morphometry of spores, and reducing sugars production; the effects on membrane integrity and cell wall were also analyzed...
October 2017: 3 Biotech
https://www.readbyqxmd.com/read/28793941/estimates-of-genetic-parameters-for-fatty-acid-compositions-in-the-longissimus-dorsi-muscle-of-hanwoo-cattle
#18
M S A Bhuiyan, D H Lee, H J Kim, S H Lee, S H Cho, B S Yang, S D Kim
We estimated the heritabilities (h 2) and genetic and phenotypic correlations among individual and groups of fatty acids, as well as their correlations with six important carcass and meat-quality traits in Korean Hanwoo cattle. Meat samples were collected from the longissimus dorsi muscles of 1000 Hanwoo steers that were 30-month-old (progeny of 85 proven Hanwoo bulls) to determine intramuscular fatty acid profiles. Phenotypic data on carcass weight (CWT), eye muscle area (EMA), back fat thickness (BFT), marbling score (MS), Warner-Bratzler shear force (WBSF) and intramuscular fat content (IMF) were also investigated using this half-sib population...
August 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28781196/clinicopathological-and-immunohistochemical-analysis-of-epithelial-lined-true-cysts-of-the-adrenal-gland-with-proposal-of-a-new-histogenetic-categorization
#19
Łukasz Koperski, Paweł Pihowicz, Benedykt Szczepankiewicz, Łukasz Fus, Agata Cyran, Magdalena Bogdańska, Barbara Górnicka
Epithelial- lined (true) cysts are rare lesions and until now the only information we had about their histogenesis was based on the analysis of a few cases. We retrospectively reviewed 8 cases of cysts with a true epithelial lining (confirmed immunohistochemically). The pathological findings and immunohistochemical analysis of the epithelial linings allowed for categorization of the cysts into 3 groups. Five cysts had pure mesothelial lining, which was flattened to cuboidal, and demonstrated a positive reaction for mesothelial markers (eg...
July 21, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28772733/manufacturing-technology-of-composite-materials-principles-of-modification-of-polymer-composite-materials-technology-based-on-polytetrafluoroethylene
#20
Anton Panda, Kostiantyn Dyadyura, Jan Valíček, Marta Harničárová, Jozef Zajac, Vladimír Modrák, Iveta Pandová, Peter Vrábel, Ema Nováková-Marcinčínová, Zdeněk Pavelek
The results of the investigations into the technological formation of new wear-resistant polymer composites based on polytetrafluoroethylene (PTFE) filled with disperse synthetic and natural compounds are presented. The efficiency of using PTFE composites reinforced with carbon fibers depends on many factors, which influence the significant improvement of physicomechanical characteristics. The results of this research allow stating that interfacial and surface phenomena of the polymer-solid interface and composition play a decisive role in PTFE composites properties...
March 31, 2017: Materials
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