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https://www.readbyqxmd.com/read/28332299/the-use-of-on-line-sfe-sfc-ms-ms-to-analyze-disease-biomarkers-in-dried-serum-spots-compared-with-serum-analysis-using-lc-ms-ms
#1
Makoto Suzuki, Shin Nishiumi, Takashi Kobayashi, Arata Sakai, Yosuke Iwata, Takato Uchikata, Yoshihiro Izumi, Takeshi Azuma, Takeshi Bamba, Masaru Yoshida
RATIONALE: The analytical stability and throughput of biomarker assays based on dried serum spots (DSS) are strongly dependent on the extraction process and determination method. In the present study, an on-line system based on supercritical fluid extraction-supercritical fluid chromatography coupled with tandem mass spectrometry (SFE-SFC/MS/MS) was established for analyzing the levels of disease biomarkers in DSS. METHODS: The chromatographic conditions were investigated using the ODS-EP, diol, and SIL-100A columns...
March 23, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28289865/phase-i-single-dose-two-period-and-two-sequence-cross-over-trial-to-evaluate-the-relative-bioavailability-of-two-oral-pimasertib-formulations-in-advanced-cancer-patients
#2
D Mahadevan, Monica Mita, Donald Richards, Edward McClay, Rebecca Suk Heist, A Kumar, S Sundararajan, Aung Naing
PURPOSE: A phase I two-period two sequence cross-over study compared the bioavailability of two pimasertib (MSC1936369B/AS703026) formulations (capsule versus tablet) in advanced cancer patients. METHODS: Patients with advanced solid tumors were randomized to one of two treatment sequences utilizing pimasertib tablet (test; 3 × 20 mg, PO QD) and capsule (standard; 2 × 30 mg, PO QD). The trial comprised a screening and baseline period, two time periods or parts A and B, and a trial extension phase...
March 13, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28284557/binimetinib-versus-dacarbazine-in-patients-with-advanced-nras-mutant-melanoma-nemo-a-multicentre-open-label-randomised-phase-3-trial
#3
Reinhard Dummer, Dirk Schadendorf, Paolo A Ascierto, Ana Arance, Caroline Dutriaux, Anna Maria Di Giacomo, Piotr Rutkowski, Michele Del Vecchio, Ralf Gutzmer, Mario Mandala, Luc Thomas, Lev Demidov, Claus Garbe, David Hogg, Gabriella Liszkay, Paola Queirolo, Ernesto Wasserman, James Ford, Marine Weill, L Andres Sirulnik, Valentine Jehl, Viviana Bozón, Georgina V Long, Keith Flaherty
BACKGROUND: There are no established therapies specific for NRAS-mutant melanoma despite the emergence of immunotherapy. We aimed to assess the efficacy and safety of the MEK inhibitor binimetinib versus that of dacarbazine in patients with advanced NRAS-mutant melanoma. METHODS: NEMO is an ongoing, randomised, open-label phase 3 study done at 118 hospitals in 26 countries. Patients with advanced, unresectable, American Joint Committee on Cancer stage IIIC or stage IV NRAS-mutant melanoma who were previously untreated or had progressed on or after previous immunotherapy were randomised (2:1) to receive either binimetinib 45 mg orally twice daily or dacarbazine 1000 mg/m(2) intravenously every 3 weeks...
March 8, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28260045/a-herbal-formula-sykt-reverses-doxorubicin%C3%A2-induced-myelosuppression-and-cardiotoxicity-by-inhibiting-ros%C3%A2-mediated-apoptosis
#4
Ting Chen, Hong-Mei Shen, Zhi-Yong Deng, Zuo-Zhang Yang, Rui-Lian Zhao, Li Wang, Zhi-Ping Feng, Chao Liu, Wen-Hui Li, Zhi-Jie Liu
Doxorubicin (DOX) is an antineoplastic drug widely used for the treatment of various types of cancer; however, it can induce severe side effects, such as myelosuppression and cardiotoxicity. Sanyang Xuedai (SYKT) is a natural medicine originating from an ancient prescription of the Dai nationality in Southwest China. With eight Chinese herbal medicines, including sanguis draconis, radix et rhizoma notoginseng, radix et rhizoma glycyrrhizae and radix angelicae sinensis as the primary ingredients, SYKT has been reported to possess numerous biological functions...
March 1, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28228619/a-case-of-anti-3-hydroxy-3-methylglutaryl-coenzyme-a-reductase-antibody-positive-paraneoplastic-necrotizing-myopathy-associated-with-advanced-gastric-cancer-that-responded-to-intravenous-immunoglobulin-therapy
#5
Tomohisa Yamaguchi, Akiko Matsunaga, Masamichi Ikawa, Norimichi Shirafuji, Ichizo Nishino, Tadanori Hamano
A 49-year-old woman presented with progressive muscle weakness of the limbs and dysphagia. Her past and family medical history were unremarkable and she did not take statins or any other medications. Laboratory tests showed that serum levels of creatine kinase were elevated (13,565 IU/l) and anti-3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR) antibodies were detected in the serum. Other autoantibodies to the nuclear (ANA), RNP, aminoacyl-tRNA synthetases (ARS), and signal recognition particle (SRP) were negative...
February 22, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28225086/uvrag-deficiency-exacerbates-doxorubicin-induced-cardiotoxicity
#6
Lin An, Xiao-Wen Hu, Shasha Zhang, Xiaowen Hu, Zongpei Song, Amber Naz, Zhenguo Zi, Jian Wu, Can Li, Yunzeng Zou, Lin He, Hongxin Zhu
Doxorubicin (DOX) is an effective chemotherapeutic drug in the treatment of various types of cancers. However, its clinical application has been largely limited by potential development of cardiotoxicity. Previously we have shown that ultra-violet radiation resistance-associated gene (UVRAG), an autophagy-related protein, is essential for the maintenance of autophagic flux in the heart under physiological conditions. Here, we sought to determine the role of UVRAG-mediated autophagy in DOX-induced cardiotoxicity...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182134/differential-pharmacology-and-clinical-utility-of-sonidegib-in-advanced-basal-cell-carcinoma
#7
REVIEW
Mohd Wahid, Arshad Jawed, Sajad Ahmad Dar, Raju K Mandal, Shafiul Haque
Patients suffering from advanced basal cell carcinoma (BCC) have very limited treatment options. Sonidegib selectively inhibits the growth of Hedgehog pathway-dependent tumors and can treat locally advanced BCC patients who are not candidates for surgery or radiation therapy. The BOLT clinical trials were conducted to evaluate the efficacy/potency of sonidegib in the treatment of advanced BCC or metastatic BCC. The patients were randomized in 1:2 ratios to receive 200 or 800 mg oral sonidegib daily, stratified by disease, histological subtype and geographical region...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28157643/ratios-of-biochemical-markers-in-peritoneal-fluid-to-those-in-venous-blood-for-the-diagnosis-of-ruptured-tubal-pregnancy-a-prospective-study
#8
Xiao-Lu Zhu, Zhuo-Wei Xue, Yan-Li Xu, Juan Wang, Zhi-Hong Ai, Yin-Cheng Teng
OBJECTIVES: Ectopic pregnancies are among the leading causes of maternal morbidity and mortality in both developed and emerging nations, but tests for early, accurate, and convenient detection are lacking. STUDY DESIGN: Between January 2013 and February 2015, 504 women with tubal pregnancy were prospectively recruited, and their clinical characteristics were recorded. Samples of peritoneal fluid were collected by culdocentesis, and venous blood was drawn from the antecubital vein...
January 18, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28143855/-nutraceuticals-in-relation-to-human-skeletal-muscle-and-exercise
#9
Colleen Siobhan Deane, Daniel J Wilkinson, Bethan E Phillips, Kenneth Smith, Timothy Etheridge, Philip J Atherton
Skeletal muscles have a fundamental role in locomotion and whole body metabolism, with muscle mass and quality being linked to improved health and even lifespan. Optimising nutrition in combination with exercise is considered an established, effective ergogenic practice for athletic performance. Importantly, exercise and nutritional approaches also remain arguably the most effective countermeasure for muscle dysfunction associated with ageing and numerous clinical conditions e.g. cancer cachexia, COPD and organ failure, via engendering favourable adaptations such as increased muscle mass and oxidative capacity...
January 31, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28128472/effects-on-energy-metabolism-of-two-guanidine-molecules-boc-2-creatine-and-metformin
#10
Patrizia Garbati, Silvia Ravera, Sonia Scarfì, Annalisa Salis, Camillo Rosano, Alessandro Poggi, Gianluca Damonte, Enrico Millo, Maurizio Balestrino
Several enzymes are involved in the energy production, becoming a possible target for new anti-cancer drugs. In this paper, we used biochemical and in silico studies to evaluate the effects of two guanidine molecules, (Boc)2 -creatine and metformin, on creatine kinase, an enzyme involved in the regulation of intracellular energy levels. Our results show that both drugs inhibit creatine kinase activity; however, (Boc)2 -creatine displays a competitive inhibition, while metformin acts with a non-competitive mechanism...
January 27, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28115854/multivoxel-magnetic-resonance-spectroscopy-identifies-enriched-foci-of-cancer-stem-like-cells-in-high-grade-gliomas
#11
Tao He, Tianming Qiu, Xiaodong Wang, Hongxing Gui, Xilong Wang, Qikuan Hu, Hechun Xia, Gaoyang Qi, Jinsong Wu, Hui Ma
OBJECTIVE: This study investigated the correlation between choline/creatine (Cho/Cr) ratios determined by multivoxel proton magnetic resonance spectroscopy ((1)H-MRS) and the distribution of cancer stem-like cells (CSLCs) in high-grade gliomas. PATIENTS AND METHODS: Sixteen patients with high-grade gliomas were recruited and underwent (1)H-MRS examination before surgery to identify distinct tumor regions with variable Cho/Cr ratios. Using intraoperative neuronavigation, tumor tissues were accurately sampled from regions with high and low Cho/Cr ratios within each tumor...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28110202/choline-based-imaging-of-prostate-cancer-with-combined-18-f-fluorocholine-pet-and-1-h-mr-spectroscopy-by-means-of-integrated-pet-mri
#12
Axel Wetter, Johannes Grüneisen, Klaus Fliessbach, Susanne Lütje, Benedikt Schaarschmidt, Lale Umutlu
PURPOSE: To evaluate integrated PET/MRI/(1)H MR spectroscopy in patients with prostate cancer. SUBJECTS AND METHODS: Data analysis comprised calculations of correlations of standardized uptake values (SUVs) and ratios of (choline+creatine)/citrate as well as of single metabolite values and a logistic regression analysis of PET data and MR spectroscopy data in 22 patients. RESULTS: SUVmean and integral values of choline correlated significantly in tumors...
January 7, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28108628/metabolic-reprogramming-by-folate-restriction-leads-to-a-less-aggressive-cancer-phenotype
#13
Zahra Ashkavand, Ciara O'Flanagan, Mirko Hennig, Xiuxia Du, Stephen D Hursting, Sergey A Krupenko
Folate coenzymes are involved in biochemical reactions of one-carbon transfer, and deficiency of this vitamin impairs cellular proliferation, migration, and survival in many cell types. Here, the effect of folate restriction on mammary cancer was evaluated using three distinct breast cancer subtypes differing in their aggressiveness and metastatic potential: noninvasive basal-like (E-Wnt), invasive but minimally metastatic claudin-low (M-Wnt), and highly metastatic claudin-low (metM-Wnt(liver)) cell lines, each derived from the same pool of MMTV-Wnt-1 transgenic mouse mammary tumors...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28099331/atorvastatin-induced-necrotizing-autoimmune-myositis-an-emerging-dominant-entity-in-patients-with-autoimmune-myositis-presenting-with-a-pure-polymyositis-phenotype
#14
Yves Troyanov, Océane Landon-Cardinal, Marvin J Fritzler, José Ferreira, Ira N Targoff, Eric Rich, Michelle Goulet, Jean-Richard Goulet, Josiane Bourré-Tessier, Yves Robitaille, Julie Drouin, Alexandra Albert, Jean-Luc Senécal
The general aim of this study was to evaluate the disease spectrum in patients presenting with a pure polymyositis (pPM) phenotype. Specific objectives were to characterize clinical features, autoantibodies (aAbs), and membrane attack complex (MAC) in muscle biopsies of patients with treatment-responsive, statin-exposed necrotizing autoimmune myositis (NAM). Patients from the Centre hospitalier de l'Université de Montréal autoimmune myositis (AIM) Cohort with a pPM phenotype, response to immunosuppression, and follow-up ≥3 years were included...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28096458/more-severe-disease-and-slower-recovery-in-younger-patients-with-anti-3-hydroxy-3-methylglutaryl-coenzyme-a-reductase-associated-autoimmune-myopathy
#15
Eleni Tiniakou, Iago Pinal-Fernandez, Thomas E Lloyd, Jemima Albayda, Julie Paik, Jessie L Werner, Cassie A Parks, Livia Casciola-Rosen, Lisa Christopher-Stine, Andrew L Mammen
OBJECTIVE: To study disease severity and response to therapy in a large cohort of patients with anti-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR)-associated myositis. METHODS: Muscle strength, creatine kinase levels and treatments were assessed in anti-HMGCR-positive patients at each clinical visit. Univariate and multivariate analyses were used to analyse the influence of clinical characteristics on strength and the change in strength over time. Whole exome sequencing was performed in a subset of patients...
January 17, 2017: Rheumatology
https://www.readbyqxmd.com/read/28092839/effect-and-mechanism-of-sorbus-pohuashanensis-hante-hedl-flavonoids-protect-against-arsenic-trioxide-induced-cardiotoxicity
#16
Xiaojin Yu, Zhenyu Wang, Zunpeng Shu, Zhengqing Li, Yuan Ning, Keli Yun, Haina Bai, Ruihai Liu, Wenli Liu
The cardiotoxicity of arsenic trioxide (ATO) limits its clinical application in cancer treatment. Evidences suggest that sorbus has antioxidant activity and its consumption has been linked with improved cardioprotection. In this study, we investigated the cardio-protective effect and mechanisms of Sorbus pohuashanensis (Hante) Hedl. flavonoids (SPF) against ATO in BALB/c mice and H9c2 cells. Eleven major flavonoids were confirmed by ultra-performance liquid chromatography electrospray ionization quadrupole time of flight mass spectrometry (UPLC-ESI-Q-TOF-MS)...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28058480/everyman-s-prostate-phantom-kiwi-fruit-substitute-for-human-prostates-at-magnetic-resonance-imaging-diffusion-weighted-imaging-and-magnetic-resonance-spectroscopy
#17
Ullrich G Mueller-Lisse, Sophie Murer, Ulrike L Mueller-Lisse, Marissa Kuhn, Juergen Scheidler, Michael Scherr
OBJECTIVES: To apply an easy-to-assemble phantom substitute for human prostates in T2-weighted magnetic resonance imaging (T2WI), diffusion-weighted imaging (DWI) and 3D magnetic resonance spectroscopy (MRS). METHODS: Kiwi fruit were fixed with gel hot and cold compress packs on two plastic nursery pots, separated by a plastic plate, and submerged in tap water inside a 1-L open-spout plastic watering can for T2WI (TR/TE 7500/101 ms), DWI (5500/61 ms, ADC b50-800 s/mm(2) map) and MRS (940/145 ms) at 3...
January 5, 2017: European Radiology
https://www.readbyqxmd.com/read/28053814/a-concurrence-of-adenocarcinoma-with-micropapillary-features-and-composite-glandular-endocrine-cell-carcinoma-in-the-stomach
#18
Ji-Hoon Kim, Dae-Woon Eom, Cheon-Soo Park, Jae-Young Kwak, Eun-Hwa Park, Jin-Ho Kwak, Hyuk-Jae Jang, Kun-Moo Choi, Myung-Sik Han
We report a unique case of synchronous double primary gastric cancer consisting of adenocarcinoma components with micropapillary features and composite glandular-endocrine cell carcinoma components. The patient was a 53-year-old man presenting with a 6-month history of epigastric pain and diarrhea. A subtotal gastrectomy was performed. Histologically, one tumor was composed of micropapillary carcinoma components (50%) with tight clusters of micropapillary aggregates lying in the empty spaces, admixed with moderately differentiated adenocarcinoma components...
December 2016: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/27907819/giant-primary-malignant-mesothelioma-of-the-liver-a-case-report
#19
Ruba Haji Ali, Mohamad Khalife, Ghina El Nounou, Ruba Zuhri Yafi, Hussein Nassar, Zeinab Aidibe, Randa Raad, Rania Abou Eid, Walid Faraj
INTRODUCTION: Malignant mesothelioma is a rare neoplasm of mesothelial cells arising most frequently in the pleura or peritoneum and less frequently in the liver. CASE PRESENTATION: We present a case of primary hepatic mesothelioma of 41year old woman. She had no history of asbestos exposure or cancer. Abdominal computed tomography (CT) showed 21cm intrahepatic mass in the right lobe with many cystic lesions and few small calcifications. Pathology showed a biphasic cellular pattern...
November 11, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27895988/terahertz-identification-and-quantification-of-neurotransmitter-and-neurotrophy-mixture
#20
Yan Peng, Xiaorong Yuan, Xiang Zou, Wanqing Chen, Hui Huang, Hongwei Zhao, Bo Song, Liang Chen, Yiming Zhu
Terahertz spectroscopy has been widely used for investigating the fingerprint spectrum of different substances. For cancerous tissues, the greatest difficulty is the absorption peaks of various substances contained in tissues overlap with each other, which are hard to identify and quantitative analyze. As a result, it is very hard to measure the presence of cancer cell and then to diagnose accurately. In this paper, we select three typical neurotransmitters (γ-aminobutyric acid, L-glutamic acid, dopamine hydrochloride) and two typical metabolites (inositol and creatine) in neurons to measure their terahertz spectra with different mixture ratios...
November 1, 2016: Biomedical Optics Express
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