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https://www.readbyqxmd.com/read/28214514/detecting-circulating-tumor-dna-in-renal-cancer-an-open-challenge
#1
Claudia Corrò, Tomas Hejhal, Cédric Poyet, Tullio Sulser, Thomas Hermanns, Thomas Winder, Gerald Prager, Peter J Wild, Ian Frew, Holger Moch, Markus Rechsteiner
BACKGROUND: Detection of circulating tumor DNA (ctDNA) in blood of cancer patients is regarded as an important step towards personalized medicine and treatment monitoring. In the present study, we investigated the clinical applicability of ctDNA as liquid biopsy in renal cancer. METHODS: ctDNA in serum and plasma samples derived from ccRCC and colon cancer patients as well as ctDNA isolated from RCC xenografts with known VHL mutation status was investigated using next generation sequencing (NGS)...
February 15, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28214218/implication-of-downregulation-and-prospective-pathway-signaling-of-microrna-375-in-lung-squamous-cell-carcinoma
#2
Wen-Jie Chen, Ting-Qing Gan, Hui Qin, Su-Ning Huang, Li-Hua Yang, Ye-Ying Fang, Zu-Yun Li, Lin-Jiang Pan, Gang Chen
BACKGROUND: Lung cancer is one of the most typical cancers in the world. Altered expression profiles of microRNA-375(miR-375) are linked to many diseases including lung cancer. However, the relationship between miR-375 and lung squamous cell carcinoma (LUSC) is controversial. METHODS: We first evaluated the 23 LUSCs and the paired normal lung tissues by qRT-PCR. Then we analyzed the LUSC samples with miR-375 expression based on The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO)...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214180/a-successful-experience-of-the-iranian-blood-transfusion-organization-in-improving-accessibility-and-affordability-of-plasma-derived-medicine
#3
REVIEW
Azita Chegini, Seyed Ardeshir Torab, Ali Akbar Pourfatollah
Plasma is the liquid part of blood. It is estimated 21.6 million liters of plasma collect from Whole blood annually. From these plasma, 4.2 million liters transfuse, 8.1 million liters fractionate, 9.3 million liters waste. Nowadays, blood products and PDM (plasma derived medicine) consider as essential medicine in modern health care and transfusion medicine. Iranian blood transfusion organization as a non-profit organization was established in 1974 in order to centralize all blood transfusion activities from donor recruitment to distribution of blood components to hospitals...
January 4, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28213850/gamma-hydroxybutyrate-ghb-content-in-hair-samples-correlates-negatively-with-age-in-succinic-semialdehyde-dehydrogenase-deficiency
#4
S S Johansen, X Wang, D Sejer Pedersen, P L Pearl, J-B Roullet, G R Ainslie, K R Vogel, K M Gibson
Gamma-hydroxybutyrate (GHB) is a drug of abuse, an approved therapeutic for narcolepsy, an agent employed for facilitation of sexual assault, as well as a biomarker of succinic semialdehyde dehydrogenase deficiency (SSADHD). Our laboratory seeks to identify surrogate biomarkers in SSADHD that can shed light on the developmental course of this neurometabolic disease. Since GHB may be quantified in hair as a potential surrogate to identify victims of drug-related assault, we have opted to examine its level in SSADHD...
February 18, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28213004/pharmacokinetic-evaluation-of-intrapleural-perfusion-with-hyperthermic-chemotherapy-using-cisplatin-in-patients-with-malignant-pleural-effusion
#5
Hirozo Sakaguchi, H Ishida, H Nitanda, N Yamazaki, K Kaneko, Kunihiko Kobayashi
OBJECTIVES: Malignant pleural effusion (MPE) has a poor prognosis. Most patients are treated with tube thoracostomy and sclerotherapy, although its success rate is around 64%. We have investigated intrapleural perfusion with hyperthermic chemotherapy (IPHC) using cisplatin in a study with a pharmacokinetic evaluation. METHODS: Patients with MPE, performance status of 0-1, possibility of good lung expansion and Cr<1.2mg/dL were treated with IPHC. The circuit was filled with 2000mL of normal saline containing cisplatin at a dose of 80mg/m(2)...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212304/methylglyoxal-derived-advanced-glycation-endproducts-in-multiple-sclerosis
#6
Suzan Wetzels, Kristiaan Wouters, Casper G Schalkwijk, Tim Vanmierlo, Jerome J A Hendriks
Multiple sclerosis (MS) is a demyelinating disease of the central nervous system (CNS). The activation of inflammatory cells is crucial for the development of MS and is shown to induce intracellular glycolytic metabolism in pro-inflammatory microglia and macrophages, as well as CNS-resident astrocytes. Advanced glycation endproducts (AGEs) are stable endproducts formed by a reaction of the dicarbonyl compounds methylglyoxal (MGO) and glyoxal (GO) with amino acids in proteins, during glycolysis. This suggests that, in MS, MGO-derived AGEs are formed in glycolysis-driven cells...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28209760/glucoraphanin-ameliorates-obesity-and-insulin-resistance-through-adipose-tissue-browning-and-reduction-of-metabolic-endotoxemia-in-mice
#7
Naoto Nagata, Liang Xu, Susumu Kohno, Yusuke Ushida, Yudai Aoki, Ryohei Umeda, Nobuo Fuke, Fen Zhuge, Yinhua Ni, Mayumi Nagashimada, Chiaki Takahashi, Hiroyuki Suganuma, Shuichi Kaneko, Tsuguhito Ota
Low-grade sustained inflammation links obesity to insulin resistance and nonalcoholic fatty liver disease (NAFLD). However, therapeutic approaches to improve systemic energy balance and chronic inflammation in obesity are limited. Pharmacological activation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) alleviates obesity and insulin resistance in mice; however, Nrf2 inducers are not clinically available owing to safety concerns. Thus, we examined whether dietary glucoraphanin, a stable precursor of the Nrf2 inducer sulforaphane, ameliorates systemic energy balance, chronic inflammation, insulin resistance, and NAFLD in high-fat diet (HFD)-fed mice...
February 16, 2017: Diabetes
https://www.readbyqxmd.com/read/28208263/visualization-quantification-and-alignment-of-spectral-drift-in-population-scale-untargeted-metabolomics-data
#8
Jeramie D Watrous, Mir Henglin, Brian Claggett, Kim A Lehmann, Martin G Larson, Susan Cheng, Mohit Jain
Untargeted liquid-chromatography-mass spectrometry (LC-MS)-based metabolomics analysis of human biospecimens has become among the most promising strategies for probing the underpinnings of human health and disease. Analysis of spectral data across population scale cohorts, however, is precluded by day-to-day nonlinear signal drifts in LC retention time or batch effects that complicate comparison of thousands of untargeted peaks. To date, there exists no efficient means of visualization and quantitative assessment of signal drift, correction of drift when present, and automated filtering of unstable spectral features, particularly across thousands of data files in population scale experiments...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207887/platelet-monocyte-derived-and-tissue-factor-carrying-circulating-microparticles-are-related-to-acute-myocardial-infarction-severity
#9
Gemma Chiva-Blanch, Kristian Laake, Peder Myhre, Vibeke Bratseth, Harald Arnesen, Svein Solheim, Lina Badimon, Ingebjørg Seljeflot
OBJECTIVE: Circulating microparticles (cMPs) are phospholipid-rich vesicles released from cells when activated or injured, and contribute to the formation of intracoronary thrombi. Tissue factor (TF, CD142) is the main trigger of fibrin formation and TF-carrying cMPs are considered one of the most procoagulant cMPs. Similar types of atherosclerotic lesions may lead to different types of AMI, although the mechanisms behind are unresolved. Therefore, we aimed to investigate the phenotype of cMPs found in plasma of ACS patients and its relation to AMI severity and thrombotic burden...
2017: PloS One
https://www.readbyqxmd.com/read/28207778/neutrophil-gelatinase-associated-lipocalin-levels-are-u-shaped-in-the-ludwigshafen-risk-and-cardiovascular-health-luric-study-impact-for-mortality
#10
Rainer P Woitas, Hubert Scharnagl, Marcus E Kleber, Graciela E Delgado, Tanja B Grammer, Martin Pichler, Bernhard K Krämer, Winfried März, Tatjana Stojakovic
INTRODUCTION: Neutrophil gelatinase-associated lipocalin (NGAL) is a glycoprotein released by damaged renal tubular cells and mature neutrophils. It is elevated in kidney injury, but also in patients with coronary artery disease (CAD) and myocardial infarction. We investigated the prognostic value of NGAL for total and cardiovascular mortality in patients undergoing coronary angiography without history of renal insufficiency at inclusion into the study. PARTICIPANTS: The LURIC study is an ongoing prospective cohort study of patients referred for coronary angiography and is designed to evaluate determinants of cardiovascular health...
2017: PloS One
https://www.readbyqxmd.com/read/28205564/elevated-serum-interferon-%C3%AE-induced-protein-10-kda-is-associated-with-tafro-syndrome
#11
Noriko Iwaki, Yuka Gion, Eisei Kondo, Mitsuhiro Kawano, Taro Masunari, Hiroshi Moro, Koji Nikkuni, Kazue Takai, Masao Hagihara, Yuko Hashimoto, Kenji Yokota, Masataka Okamoto, Shinji Nakao, Tadashi Yoshino, Yasuharu Sato
Multicentric Castleman disease (MCD) is a heterogeneous lymphoproliferative disorder. It is characterized by inflammatory symptoms, and interleukin (IL)-6 contributes to the disease pathogenesis. Human herpesvirus 8 (HHV-8) often drives hypercytokinemia in MCD, although the etiology of HHV-8-negative MCD is idiopathic (iMCD). A distinct subtype of iMCD that shares a constellation of clinical features including thrombocytopenia (T), anasarca (A), fever (F), reticulin fibrosis (R), and organomegaly (O) has been reported as TAFRO-iMCD, however the differences in cytokine profiles between TAFRO-iMCD and iMCD have not been established...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205383/association-between-leukocyte-telomere-length-and-angiogenic-cytokines-in-knee-osteoarthritis
#12
Thitiya Poonpet, Natthaphon Saetan, Aree Tanavalee, Vajara Wilairatana, Pongsak Yuktanandana, Sittisak Honsawek
AIM: The aims of this study were to compare leukocyte relative telomere length (RTL) in knee osteoarthritis (OA) patients and healthy controls and to investigate associations between plasma angiogenic cytokine concentrations and leukocyte RTL. METHOD: Eighty knee OA patients and 60 age-matched controls were enrolled. Leukocyte RTL was assessed using real-time quantitative polymerase chain reaction (qPCR). Angiogenic cytokines were measured by a multiplex immunoassay...
February 16, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28205234/stability-studies-of-potent-opioid-analgesic-morphine-6-o-sulfate-in-various-buffers-and-biological-matrices-by-hplc-dad-analysis
#13
Jai Shankar K Yadlapalli, Zaineb A F Albayati, Narasimha R Penthala, Howard P Hendrickson, Peter A Crooks
The 6-O-sulfate ester of morphine, (M6S), has previously been shown to be an analgesic with greater potency and fewer side effects than to morphine. However, being a sulfate ester derivative of morphine, the question exists as to whether this compound is stable in biological fluids and tissues with regard to pH- and esterase-mediated degradation. To date, no studies have focused on the stability profile of M6S across the physiologically relevant pH range of 1.2 - 7.4. In addition, the stability of M6S is not known in rat plasma and rat brain homogenate, or in simulated rat gastric and intestinal fluids...
February 15, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28205180/methods-for-monitoring-abca1-dependent-sterol-release
#14
Yoshio Yamauchi, Shinji Yokoyama, Ta-Yuan Chang
Releasing sterols to the extracellular milieu is an important part of sterol homeostasis in cells and in the body. ATP-binding cassette transporter A1 (ABCA1) plays an essential role in cellular phospholipid and sterol release to lipid-free or lipid-poor apolipoprotein A-I (apoA-I), the major apolipoprotein in high-density lipoprotein (HDL), and constitutes the first step in the formation of nascent HDL. Loss-of-function mutations in the ABCA1 gene lead to a rare disease known as Tangier disease that causes severe deficiency in plasma HDL level...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28202687/oxidized-phagosomal-nox2-is-replenished-from-lysosomes
#15
Ilse Dingjan, Peter T A Linders, Luuk van den Bekerom, Maksim V Baranov, Partho Halder, Martin Ter Beest, Geert van den Bogaart
In dendritic cells, the NADPH oxidase 2 (NOX2) is recruited to the phagosomal membrane during antigen uptake. NOX2 produces reactive oxygen species (ROS) in the lumen of the phagosome which kill ingested pathogens, delay antigen breakdown and alter the peptide repertoire for presentation to T cells. How the integral membrane component of NOX2, cytochrome b558, traffics to phagosomes is incompletely understood. In this study, we show in dendritic cells derived from human blood-isolated monocytes that cytochrome b558 is initially recruited to the phagosome from the plasma membrane during phagosome formation...
February 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28202546/identification-of-a-novel-series-of-anti-inflammatory-and-anti-oxidative-phospholipid-oxidation-products-containing-cyclopentenone-moiety-in-vitro-and-in-vivo-implication-in-atherosclerosis
#16
Jianhong Lu, Shuyuan Guo, Xinli Xue, Qun Chen, Jing Ge, Yujuan Zhuo, Huiqin Zhong, Buxing Chen, Mingming Zhao, Wei Han, Takashi Suzuki, Mingjiang Zhu, Lin Xia, Claus Schneider, Timothy S Blackwell, Ned A Porter, Lemin Zheng, Sotirios Tsimikas, Huiyong Yin
Oxidative stress and inflammation are two major contributing factors to atherosclerosis, a leading cause for cardiovascular diseases (CVDs). Oxidation of phospholipids on the surface of low density lipoprotein (LDL) particles generated under oxidative stress has been associated with the progression of atherosclerosis but the underlying molecular mechanisms remain poorly defined. We identified a novel series of oxidation products containing cyclopentenone moiety, termed deoxy-A2/J2-isoprostanes-phosphocholine (deoxy-A2/J2-IsoP-PC), from 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine (PAPC) in vivo using mass spectrometry and by comparison to a chemically synthesized standard...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28202510/myc-mediates-large-oncosome-induced-fibroblast-reprogramming-in-prostate-cancer
#17
Valentina R Minciacchi, Cristiana Spinelli, Mariana Reis-Sobreiro, Lorenzo Cavallini, Sungyong You, Mandana Zandian, Xiaohong Li, Paola Chiarugi, Rosalyn M Adam, Edwin M Posadas, Giuseppe Viglietto, Michael R Freeman, Emanuele Cocucci, Neil A Bhowmick, Dolores Di Vizio
Communication between cancer cells and the tumor microenvironment results in the modulation of complex signaling networks that facilitate tumor progression. Here we describe a new mechanism of intercellular communication originating from large oncosomes (LO), which are cancer cell-derived, atypically large (1-10 μm) extracellular vesicles (EV). We demonstrate that, in the context of prostate cancer, LO harbor sustained AKT1 kinase activity, nominating them as active signaling platforms. Active AKT1 was detected in circulating EV from the plasma of metastatic prostate cancer patients and was LO specific...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28202168/paraprotein-associated-thrombotic-microangiopathy-expanding-the-spectrum-of-renal-disease-related-to-plasma-cell-dyscrasias
#18
Mercury Lin, Mark Haas
Plasma cell dyscrasias are associated with a variety of renal diseases, most resulting from the deposition of intact or altered monoclonal paraproteins within the renal parenchyma. Much less commonly, renal disease resulting from monoclonal gammopathies has been reported without actual accumulation of the paraprotein or a derivative of it within the kidney. One such instance involves thrombotic microangiopathy (TMA), which is a consequence of endothelial cell injury. New data from the Mayo Clinic indicate that the association of TMA with monoclonal gammopathies is far more frequent than previously appreciated...
March 2017: Kidney International
https://www.readbyqxmd.com/read/28201966/synthesis-and-biological-evaluation-of-mutual-prodrugs-of-carboxylic-group-containing-some-non-steroidal-anti-inflammatory-drugs-and-propyphenazone
#19
Sucheta Ohlan, Meenu Paliwal, Ruchita Ruchita, Shilpa Jain, Monika Monika, Himanshu Himanshu
Non-steroidal anti-inflammatory drugs (NSAIDs); ketorolac (KA), niflumic acid (NA), tolfenamic acid (TA) were conjugated with propyphenazone derivative 3-Hydroxymethyl propyphenazone (HMP) by direct coupling and by using spacer technique with the objective of obtaining gastro-sparing NSAIDs prodrugs devoid of ulcerogenic side effects. Mutual prodrugs were synthesized and their structures were confirmed and characterized using IR, 1H NMR, 13C NMR, mass spectroscopy and their purity was established by elemental analysis...
February 13, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28197368/immunosuppressive-cd14-hla-dr-lo-neg-monocytes-are-elevated-in-pancreatic-cancer-and-primed-by-tumor-derived-exosomes
#20
Naureen Javeed, Michael P Gustafson, Shamit K Dutta, Yi Lin, William R Bamlet, Ann L Oberg, Gloria M Petersen, Suresh T Chari, Allan B Dietz, Debabrata Mukhopadhyay
Immunological strategies to treat pancreatic cancer offer new therapeutic approaches to improve patient outcomes. Understanding alterations in the immune systems of pancreatic cancer patients will likely lead to advances in immunotherapy for the disease. We profiled peripheral blood leukocytes from pancreatic cancer patients (n = 22) and age-matched controls (n = 20) using flow cytometry. Immune profiling of pancreatic cancer patients identified phenotypic changes in various immune cell populations, including a population of immunosuppressive monocytes (CD14(+)HLA-DR(lo/neg)), which were shown to be increased in these patients...
2017: Oncoimmunology
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