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https://www.readbyqxmd.com/read/27932423/integrated-genomic-analysis-of-survival-outliers-in-glioblastoma
#1
Sen Peng, Harshil Dhurv, Brock Armstrong, Bodour Salhia, Christophe Legendre, Jeffrey Kiefer, Julianna Parks, Selene Virk, Andrew E Sloan, Quinn T Ostrom, Jill S Barnholtz-Sloan, Nhan L Tran, Michael E Berens
BACKGROUND: To elucidate molecular features associated with disproportionate survival of glioblastoma (GB) patients, we conducted deep genomic comparative analysis of a cohort of patients receiving standard therapy (surgery plus concurrent radiation and temozolomide); "GB outliers" were identified: long-term survivor of 33 months (LTS; n = 8) versus short-term survivor of 7 months (STS; n = 10). METHODS: We implemented exome, RNA, whole genome sequencing, and DNA methylation for collection of deep genomic data from STS and LTS GB patients...
December 8, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/27929539/sensitivity-of-hematopoietic-stem-cells-to-mitochondrial-dysfunction-by-sdhd-gene-deletion
#2
José Antonio Bejarano-García, África Millán-Uclés, Iván V Rosado, Luís Ignacio Sánchez-Abarca, Teresa Caballero-Velázquez, María José Durán-Galván, José Antonio Pérez-Simón, José I Piruat
It is established that hematopoietic stem cells (HSC) in the hypoxic bone marrow have adapted their metabolism to oxygen-limiting conditions. This adaptation includes suppression of mitochondrial activity, induction of anerobic glycolysis, and activation of hypoxia-inducible transcription factor 1α (Hif1α)-dependent gene expression. During progression of hematopoiesis, a metabolic switch towards mitochondrial oxidative phosphorylation is observed, making this organelle essential for determining cell fate choice in bone marrow...
December 8, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27928140/reaction-and-scavenging-mechanism-of-%C3%AE-carotene-and-zeaxanthin-with-reactive-oxygen-species
#3
Azusa Nishino, Hiroyuki Yasui, Takashi Maoka
In order to investigate chemical scavenging mechanism of singlet oxygen, superoxide anion radical, and hydroxyl radical by carotenoids, reaction products obtained by reacting β-carotene or zeaxanthin with singlet oxygen, superoxide anion radical, and hydroxyl radical were analyzed by LC/PDA ESI-MS, and ESR spectrometry. β-Carotene endoperoxides were identified as the major reaction products of β-carotene and singlet oxygen, while β-carotene epoxides were the major reaction products of β-carotene and superoxide anion or hydroxyl radical...
December 8, 2016: Journal of Oleo Science
https://www.readbyqxmd.com/read/27926812/the-role-of-18f-fluorodeoxyglucose-positron-emission-tomography-in-the-assessment-of-disease-activity-of-adult-onset-still-s-disease
#4
Young-Sil An, Chang-Hee Suh, Ju-Yang Jung, Hundo Cho, Hyoun-Ah Kim
Background/Aims: 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) has been suggested as a reliable imaging technique for monitoring of disease activity in patients with adult-onset Still's disease (AOSD). Therefore, we investigated the clinical significance of 18F-FDG PET/CT in Korean AOSD patients. Methods: Thirteen AOSD patients were included in the study. The PET/CT images were evaluated with visual and semiquantitative method using standardized uptake values (SUVs)...
December 7, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27924855/the-efficacy-of-mycophenolate-mofetil-for-the-treatment-of-chinese-takayasu-s-arteritis
#5
Jing Li, Yunjiao Yang, Jiuliang Zhao, Mengtao Li, Xinping Tian, Xiaofeng Zeng
To investigate the therapeutic effect of mycophenolate mofetil(MMF) on Chinese Takayasu's arteritis(TAK) patients. Thirty consecutive TAK outpatients were prospectively enrolled during 2013 to 2015. MMF combined with glucocorticoid was the primary treatment regimen. If clinical stable disease could not be reached, another traditional immunosuppressive agent could be added. All patients were evaluated and followed up every 3 months and vascular image studies by Doppler ultrasonography were repeated every 6 months...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27919199/predictive-factors-associated-with-the-progression-of-large-joint-destruction-in-patients-with-rheumatoid-arthritis-after-biologic-therapy-a-post-hoc-analysis-using-fdg-pet-ct-and-the-arashi-assessment-of-rheumatoid-arthritis-by-scoring-of-large-joint-destruction
#6
Takahito Suto, Yukio Yonemoto, Koichi Okamura, Chisa Okura, Tetsuya Kaneko, Tsutomu Kobayashi, Masahiro Tachibana, Yoshito Tsushima, Kenji Takagishi
OBJECTIVE: To investigate the associations between large joint damage and findings on fluorodeoxyglucose positron emission tomography combined with computed tomography (FDG-PET/CT) using the "assessment of rheumatoid arthritis by scoring of large joint destruction and healing in radiographic imaging (ARASHI)" scoring system. METHODS: A total of 270 large joints (shoulders, elbows, hips, knees, and ankles) in 27 rheumatoid arthritis patients were assessed. FDG-PET/CT was performed at the initiation of biologics...
December 6, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27919192/predictive-value-of-neutrophil-lymphocyte-ratio-in-renal-prognosis-of-patients-with-granulomatosis-with-polyangiitis
#7
Hamit Küçük, Berna Göker, Özkan Varan, Burak Dumludag, Şeminur Haznedaroğlu, Mehmet Akif Öztürk, Abdurrahman Tufan, Tugce Emiroglu, Yasemin Erten
INTRODUCTION: Granulomatosis with polyangiitis (GPA) is a rare necrotizing vasculitis, which usually involves the upper and lower respiratory systems and kidneys and often have a relapsing course. Neutrophil/lymphocyte ratio (NLR) has been shown to be a useful marker predicting not only progressive disease, but also mortality in various inflammatory diseases. We aimed to investigate the roles of NLR in predicting the extend of clinical involvement and prognosis of patients with GPA. MATERIALS AND METHODS: Consecutive newly diagnosed GPA patients who had follow-up for at least 6 months between 2010 and 2016 at Gazi University Internal Medicine-Rheumatology clinic were retrospectively analyzed...
December 5, 2016: Renal Failure
https://www.readbyqxmd.com/read/27918918/esr-dating-of-smilodon-populator-from-toca-de-cima-dos-pil%C3%A3-o-piau%C3%A3-brazil
#8
Angela Kinoshita, Michelle Mollemberg, William Santana, Ana Maria G Figueiredo, Niede Guidon, Maria de Fátima da Luz, Claude Guérin, Oswaldo Baffa
Smilodon is a genus of big cats that lived from the early to the late Pleistocene in regions extending from North to South America. The fossil records of the "saber-toothed cats" are uneven, with some taxa being quite abundant in certain regions. In Brazil, Smilodon populator is a well-known species whose remains, although scarce in comparison to other large mammals, are found all across the country. In particular, there are multiple records of this species in the region of the Serra da Capivara National Park...
November 22, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/27917850/an-assessment-of-marital-adjustment-in-patients-with-rheumatoid-arthritis
#9
Hatice Resorlu, Basak Sahin, Hulya Ertekin, Serhad Bilim, Yılmaz Savas
Aim To investigate marital adjustment in patients with rheumatoid arthritis and factors affecting this. Methods A total of 32 patients diagnosed with Steinbrocker class 1-2 rheumatoid arthritis and 32 healthy individuals from a similar age group were included. Sociodemographic characteristics, the Beck Depression Inventory (BDI), short-form 36(SF-36) and the dyadic adjustment scale (DAS) were evaluated in both groups. A visual analogue scale (VAS), the disease activity score 28(DAS28) and a health assessment questionnaire (HAQ) were also investigated in the patient group...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/27911469/comprehensive-identification-and-clustering-of-clv3-esr-related-cle-genes-in-plants-finds-groups-with%C3%A2-potentially-shared-function
#10
David M Goad, Chuanmei Zhu, Elizabeth A Kellogg
CLV3/ESR (CLE) proteins are important signaling peptides in plants. The short CLE peptide (12-13 amino acids) is cleaved from a larger pre-propeptide and functions as an extracellular ligand. The CLE family is large and has resisted attempts at classification because the CLE domain is too short for reliable phylogenetic analysis and the pre-propeptide is too variable. We used a model-based search for CLE domains from 57 plant genomes and used the entire pre-propeptide for comprehensive clustering analysis. In total, 1628 CLE genes were identified in land plants, with none recognizable from green algae...
December 1, 2016: New Phytologist
https://www.readbyqxmd.com/read/27911110/mannose-binding-lectin-deficiency-in-brazilian-patients-with-spondyloarthritis
#11
Thelma L Skare, Renato Nisihara, Juliana Z Cieslinski, João O Zeni, Henrique N Rasera, Iara Messias-Reason, Shirley R R Utiyama
BACKGROUND: Infections are usually involved in the pathogenesis of spondyloarthritis (SpA). Mannose-binding lectin (MBL) is a component of the innate immune system with an important role in microbial defense. OBJECTIVE: To study the prevalence of MBL deficiency in SpA patients as well as its influence in the clinical profile of these diseases. METHODS: We studied 89 SpA patients and 89 healthy individuals, paired for age and gender. MBL serum levels were measured by ELISA test...
December 2, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27911007/assessment-of-subclinical-atherosclerosis-in-hidradenitis-suppurativa
#12
José C Pascual, Iris González, Diego Corona, Patricia Hispán, José M Ramos, José Sánchez-Paya, Gregor B Jemec
BACKGROUND: Patients with Hidradenitis Suppurativa (HS) have an increased prevalence of traditional cardiovascular (CV) risk factors. OBJECTIVE: Our aim was to investigate the association between subclinical atherosclerosis, detected by carotid ultrasound, and HS. METHODS: A prospective observation and analytical study assessing subclinical atherosclerosis using carotid ultrasound in patients with HS. RESULTS: A total of 62 HS-patients and 62 matched-controls were studied...
December 2, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27910324/development-of-multi-frequency-esr-edmr-system-using-a-rectangular-cavity-equipped-with-waveguide-window
#13
Kunito Fukuda, Naoki Asakawa
A straightforward method for a variable frequency electron spin resonance/electrically detected magnetic resonance (ESR/EDMR) spectroscopy using a C-band microwave cavity equipped with waveguide windows is presented. The method enables us to perform quasi-continuous multiple resonance frequency (MF-ESR/EDMR) experiments for electronic devices. The C-band microwave circuitry was selected because of larger available sample volume than that for conventional X-band one. All the measurements were performed using a combined sample of 2,2-diphenyl-1-picrylhydrazyl/ pn-junction Si diode...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27908311/obesity-decreases-clinical-efficacy-and-levels-of-adalimumab-in-patients-with-ankylosing-spondylitis
#14
José Rosas, Francisca Llinares-Tello, José Miguel Senabre-Gallego, Xavier Barber-Vallés, Gregorio Santos-Soler, Esteban Salas-Heredia, Ana Pons Bas, Catalina Cano Pérez, Mario García-Carrasco
OBJECTIVES: Obesity can be a factor that affects response to anti-TNF drugs. However, studies on patients with ankylosing spondylitis (AS) are rare. We aimed to determine whether obesity affects serum levels of adalimumab (ADL), and immunogenicity and clinical efficacy of the drug in patients with AS. METHODS: A cross-sectional study on 57 patients with axial AS receiving ADL was conducted. They received DMARD per standard of care at their rheumatologist's discretion...
November 13, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27908300/serum-complement-c3-strongly-correlates-with-whole-body-insulin-sensitivity-in-rheumatoid-arthritis
#15
Francesco Ursini, Salvatore D'Angelo, Emilio Russo, Franco Arturi, Lucia D'Antona, Caterina Bruno, Saverio Naty, Giovambattista De Sarro, Ignazio Olivieri, Rosa Daniela Grembiale
OBJECTIVES: Rheumatoid arthritis (RA) is characterised by an excess of cardiovascular diseases (CVD) risk, attributable to a synergy between under-diagnosed traditional risk factors (i.e. insulin resistance) and inflammatory disease activity. The aim of the present study was to evaluate the correlation between inflammatory measures and insulin sensitivity in RA patients. METHODS: Forty non-diabetic RA patients (19 males) were recruited. All patients underwent anthropometric measurements, laboratory evaluation and oral glucose tolerance test (OGTT)...
October 27, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27907269/remission-rates-with-tofacitinib-treatment-in-rheumatoid-arthritis-a-comparison-of-various-remission-criteria
#16
Josef S Smolen, Daniel Aletaha, David Gruben, Samuel H Zwillich, Sriram Krishnaswami, Charles Mebus
OBJECTIVE: Tofacitinib is an oral Janus kinase inhibitor for the treatment of rheumatoid arthritis (RA). Throughout tofacitinib clinical studies, a 28-joint Disease Activity Score (DAS28)-based analysis was used to assess outcomes. In this study, remission rates by various remission criteria were evaluated across five Phase 3 randomized controlled studies. METHODS: Tofacitinib was dosed 5 or 10 mg twice daily (BID), either as monotherapy, or with background methotrexate or other conventional synthetic disease-modifying antirheumatic drugs (DMARDs)...
December 1, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27906804/prostaglandin-e-major-urinary-metabolite-as-a-biomarker-for-pediatric-ulcerative-colitis-activity
#17
Shin-Ichiro Hagiwara, Isao Okayasu, Mutsunori Fujiwara, Masaaki Matsuura, Hiromitsu Ohnishi, Satoru Ito, Hiroshi Kishimoto, Ryusuke Nambu, Seiichi Kagimoto
OBJECTIVES: Prostaglandin E-major urinary metabolite (PGE-MUM) is a useful biomarker for adult ulcerative colitis (UC) activity. In this study, we evaluated whether PGE-MUM can also be a biomarker of pediatric UC activity and compared its efficacy in predicting UC activity with that of C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). METHODS: Twenty-nine pediatric UC patients (8-18 years) and 29 healthy age- and sex-matched subjects were enrolled...
November 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/27904269/serum-procalcitonin-level-reflects-the-severity-of-cellulitis
#18
Soo Hyeon Noh, Seok Don Park, Eun Jung Kim
BACKGROUND: Cellulitis is a common bacterial infection of the superficial skin. Procalcitonin is one of the precursor proteins of calcitonin, its levels are elevated in bacterial infection, and it has been established as a diagnostic marker for severe bacterial infections. OBJECTIVE: This study evaluated the clinical usefulness of procalcitonin for predicting disease severity and prognosis of cellulitis. METHODS: We reviewed the medical records of 160 patients diagnosed with cellulitis in the past 3 years...
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27902749/risk-factors-associated-with-renal-involvement-in-childhood-henoch-sch%C3%A3-nlein-purpura-a-meta-analysis
#19
Han Chan, Yan-Ling Tang, Xiao-Hang Lv, Gao-Fu Zhang, Mo Wang, Hai-Ping Yang, Qiu Li
BACKGROUND AND OBJECTIVE: Henoch-Schönlein purpura (HSP) is an important cause of chronic kidney disease in children. This meta-analysis identified risk factors associated with renal involvement in childhood HSP. METHODS: PubMed, Embase, and Web of Science were searched. The quality of all eligible studies was assessed using the Newcastle-Ottawa scale criteria. An analysis of possible risk factors was conducted to report the odds ratio (OR) and weighted mean difference (WMD)...
2016: PloS One
https://www.readbyqxmd.com/read/27902343/the-frequency-and-significance-of-the-parvovirus-b19-infection-in-patients-with-rheumatoid-arthritis
#20
Milda Naciute, Diana Mieliauskaite, Rita Rugiene, Rita Nikitenkiene, Ligita Jancoriene, Mykolas Mauricas, Zaiga Nora-Krukle, Modra Murovska, Irute Girkontaite
The present study aims to clarify the possible involvement of parvovirus B19 (B19V) infection in rheumatoid arthritis (RA) pathogenesis by investigating the presence of B19V infection markers (genomic sequences and virus-specific antibodies) in association with the level of cytokines and RA clinical activity and aggressiveness. 118 RA patients and 49 age and sex matched healthy volunteers were enrolled in the study. Nested PCR was used to detect B19V sequences in whole blood and cell free plasma DNA, ELISA to detect virus-specific antibodies and cytokine levels in plasma, and recomLine dot blot assay for antibodies to separate B19V antigens...
October 14, 2016: Journal of General Virology
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