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https://www.readbyqxmd.com/read/29775760/synthesis-of-axially-disubstituted-silicon-phthalocyanines-and-investigation-of-photodynamic-effects-on-hct-116-colorectal-cancer-cell-line
#1
Ceren Sarı, Figen Celep Eyüpoğlu, İsmail Değirmencioğlu, Rıza Bayrak
Photodynamic therapy is one of the hot topics in cancer studies recently. Basically, photosensitizing chemical substrates which are stimulated by light having a specific wavelength cause fatal effect on different kind of cells in photodynamic therapy. In this study, axially 4-{[(1E)-2-furylmethylene]amino}phenol, 4-{[(1E)-2-thienylmethylene]amino}phenol and 4-{[(1E)-(4-nitro-2-thienyl)methylene]amino}phenol disubstituted silicon phthalocyanines were synthesized as Photosensitizers for photodynamic therapy in cancer treatment for the first time...
May 15, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29775624/characterization-and-comparative-analysis-of-a-new-mouse-microglial-cell-model-for-studying-neuroinflammatory-mechanisms-during-neurotoxic-insults
#2
Souvarish Sarkar, Emir Malovic, Deeksha Sarda, Vivek Lawana, Dharmin Rokad, Huajun Jin, Vellareddy Anantharam, Arthi Kanthasamy, Anumantha G Kanthasamy
Microglia are the first responders of the central nervous system, acting as the key modulators of neuroinflammation observed during neurotoxic insults as well as in the pathophysiology of several neurodegenerative disorders including Alzheimer's (AD), Parkinson's (PD), and Huntington's diseases (HD). The number of publications on microglia has increased steadily throughout the past decade because of immense interests in the neuroinflammation that precedes the neurodegenerative process. To study microglial biology and its role in modulating neuroinflammation, immortalized microglial cell lines derived from mice, rats, and humans have been developed...
May 15, 2018: Neurotoxicology
https://www.readbyqxmd.com/read/29775330/constraining-alternative-theories-of-gravity-using-pulsar-timing-arrays
#3
Neil J Cornish, Logan O'Beirne, Stephen R Taylor, Nicolás Yunes
The opening of the gravitational wave window by ground-based laser interferometers has made possible many new tests of gravity, including the first constraints on polarization. It is hoped that, within the next decade, pulsar timing will extend the window by making the first detections in the nanohertz frequency regime. Pulsar timing offers several advantages over ground-based interferometers for constraining the polarization of gravitational waves due to the many projections of the polarization pattern provided by the different lines of sight to the pulsars, and the enhanced response to longitudinal polarizations...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29775086/healthcare-utilization-and-costs-of-multiple-sclerosis-patients-in-the-netherlands-a-healthcare-claims-database-study
#4
Servaas Buijs, Marieke Krol, Gert de Voer
AIM: To investigate the incidence and prevalence and healthcare costs of multiple sclerosis (MS) in the Netherlands by using healthcare claims data. MATERIALS & METHODS: A claims database was analyzed including 26% of the Dutch population. RESULTS: Average prevalence of MS in the Netherlands was 88 per 100,000 inhabitants (males 48, 127 females) and incidence nine per 100,000. Yearly per patient medication costs were highest in the year after the first MS claim and then decreased...
May 18, 2018: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/29774963/glucocorticoid-signaling-regulates-cell-invasion-and-migration-in-the-human-first-trimester-trophoblast-cell-line-sw-71
#5
Edwina P Kisanga, Zhonghua Tang, Seth Guller, Shannon Whirledge
PROBLEM: The development of the placenta and its functions are sensitive to infection and stress, which can activate the hypothalamic-pituitary-adrenal axis. Adrenally produced glucocorticoids are the body's primary mediators of the inflammatory and stress response. Although the glucocorticoid receptor (GR) is expressed in all human villous trophoblast tissue, the effect of glucocorticoids on placentation is not well understood. METHOD OF STUDY: Using microarray analysis, we identified the glucocorticoid-regulated transcriptional profile in the immortalized first-trimester extravillous trophoblast cell line Swan...
May 18, 2018: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29774579/integrative-epigenetic-analysis-reveals-therapeutic-targets-to-the-dna-methyltransferase-inhibitor-sgi-110-in-hepatocellular-carcinoma
#6
Minmin Liu, Lian Zhang, Hongtao Li, Toshinori Hinoue, Wanding Zhou, Hitoshi Ohtani, Anthony El-Khoueiry, John Daniels, Casey O'Connell, Tanya B Dorff, Qianjin Lu, Daniel J Weisenberger, Gangning Liang
There is an urgent need for developing more effective therapies for hepatocellular carcinoma (HCC) because of its aggressiveness. Guadecitabine (SGI-110) is a second-generation DNA methyltransferase inhibitor (DNMTi) currently in clinical trials for HCC and shows greater stability and performance over first generation DNMTis. In order to identify potential therapeutic targets of SGI-110 for clinical trials, HCC cell lines (SNU398, HepG2 and SNU475) were used to evaluate effects of transient SGI-110 treatment by an integrative analysis of DNA methylation, nucleosome accessibility, gene expression profiles and its clinical relevance by comparisons to TCGA HCC clinical data...
May 18, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29774546/pepsin-biomarker-mediator-and-therapeutic-target-for-reflux-and-aspiration
#7
REVIEW
Nikki Johnston, Peter W Dettmar, Frank G Ondrey, Rahul Nanchal, Sang-Hyuk Lee, Jonathan M Bock
Extra-esophageal reflux is suspected to cause a wide range of clinical symptoms in the upper airways. Diagnosis and treatment has focused on acid, but realization of the role of nonacid reflux has resulted in research investigating the use of pepsin as a biomarker for gastric reflux and aspiration. Pepsin analysis can complement the use of questionnaires and office-based diagnosis and lessen the dependency on invasive and expensive diagnostic tests. Furthermore, pepsin as a first-line diagnostic biomarker has been shown to improve the accuracy of reflux diagnosis...
May 17, 2018: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29774521/patient-reported-outcomes-of-multiple-myeloma-patients-treated-with-panobinostat-after-%C3%A2-2-lines-of-therapy-based-on-the-international-phase-3-randomized-double-blind-placebo-controlled-panorama-1-trial
#8
Paul G Richardson, Robert L Schlossman, Anuja N Roy, Ashok Panneerselvam, Suddhasatta Acharyya, Monika Sopala, Sagar Lonial
The phase 3 PANORAMA-1 trial led to regulatory approvals of panobinostat (PAN) in combination with bortezomib (BTZ) and dexamethasone (DEX) for the treatment of multiple myeloma after ≥2 prior regimens, including BTZ and an immunomodulatory drug. Patient-reported outcomes (PROs) were assessed in PANORAMA-1, with data available for 73 patients in the PAN + BTZ + DEX arm and 74 patients in the placebo (PBO) + BTZ + DEX arm. Per the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30), global health status/quality of life (QoL) scores initially declined with PAN + BTZ + DEX during the first 24 weeks before approaching baseline scores and remaining steady during the next 24 weeks, with no difference between arms at Week 48...
May 17, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29774478/number-line-estimation-and-complex-mental-calculation-is-there-a-shared-cognitive-process-driving-the-two-tasks
#9
Maria Montefinese, Carlo Semenza
It is widely accepted that different number-related tasks, including solving simple addition and subtraction, may induce attentional shifts on the so-called mental number line, which represents larger numbers on the right and smaller numbers on the left. Recently, it has been shown that different number-related tasks also employ spatial attention shifts along with general cognitive processes. Here we investigated for the first time whether number line estimation and complex mental arithmetic recruit a common mechanism in healthy adults...
May 17, 2018: Cognitive Processing
https://www.readbyqxmd.com/read/29774477/cefepime-vs-cefoperazone-sulbactam-in-combination-with-amikacin-as-empirical-antibiotic-therapy-in-febrile-neutropenia
#10
M Ponraj, Biswajit Dubashi, B H Harish, S Kayal, S L Cyriac, Jogamaya Pattnaik, K Ranjith, Unni S Pillai, Naresh Jadhav, Kiran K Matta, Jagdeep Singh, Esha Jaffa, Bhanu Prakash
PURPOSE: Beta lactams are standard empirical therapy for febrile neutropenia (FN). The aim of this study was to evaluate the efficacy and safety of cefepime monotherapy compared with cefoperazone/sulbactam plus amikacin (CS + A) for empirical treatment of high risk FN. METHODS: One hundred seventy-five patients with 336 FN episodes were randomized to receive either cefepime (2 g q8h for adults and 50 mg/kg q8h for children) or CS (2 g q8h for adults and 50 mg/kg q8h for children) plus amikacin (15 mg/kg once a day)...
May 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29774414/tumoral-cavitation-in-colorectal-cancer-patients-with-unresectable-lung-metastasis-treated-with-bevacizumab-and-chemotherapy
#11
REVIEW
Yu Peng, Ye Chen, Xi Zhang, Yu Yang, Dan Cao, Feng Bi, Zhipi Li, Hongfeng Gou
PURPOSE: Efficacy and the frequency of tumor cavitation have not been investigated in patients with metastatic colorectal cancer (mCRC) and lung metastases (LMs) treated with chemotherapy in combination with bevacizumab. This study was aimed to evaluate the efficacy and safety of bevacizumab for unresectable mCRC with LM and to determine the frequency of tumor cavitation, and its correlation with clinical outcomes in patients receiving bevacizumab plus chemotherapy. METHODS: Patients with mCRC and LMs treated with bevacizumab as first- or second-line therapy at West China Hospital, Sichuan University Cancer Center from September 2010 to November 2016 were included in this retrospective study...
May 17, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29774159/toll-like-receptors-2-and-4-modulate-intestinal-il-10-differently-in-ileum-and-colon
#12
Eva Latorre, Elena Layunta, Laura Grasa, Julián Pardo, Santiago García, Ana I Alcalde, José E Mesonero
Background: Inflammatory bowel diseases are consequence of an intestinal homeostasis breakdown in which innate immune dysregulation is implicated. Toll-like receptor (TLR)2 and TLR4 are immune recognition receptors expressed in the intestinal epithelium, the first physical-physiological barrier for microorganisms, to inform the host of the presence of Gram-positive and Gram-negative organisms. Interleukin (IL)-10 is an essential anti-inflammatory cytokine that contributes to maintenance of intestinal homeostasis...
April 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/29774120/carboplatin-in-combination-with-weekly-paclitaxel-as-first-line-therapy-in-patients-with-recurrent-metastatic-head-and-neck-squamous-cell-carcinoma-unfit-to-extreme-schedule
#13
Adeline Pêtre, Cécile Dalban, Andy Karabajakian, Eve-Marie Neidhardt, Pierre Eric Roux, Marc Poupart, Sophie Deneuve, Philippe Zrounba, Jérome Fayette
The standard first-line treatment in recurrent/metastatic head and neck squamous cell carcinoma combines Cisplatin, 5 Fluorouracil and Cetuximab, but many patients aren't eligible. We retrospectively evaluated the efficacy and the tolerability of Carboplatin and Paclitaxel in this indication, mostly in patients unfit to Cisplatin. Paclitaxel (80mg/m2) was administered at day 1, 8 and 15 and Carboplatin area under the curve 5 at day 1, repeated every 28 days, for 6 cycles. Carboplatin could be administered at area under the curve 2 at day 1, 8 and 15...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774117/investigation-of-tumor-tumor-interactions-in-a-double-human-cervical-carcinoma-xenograft-model-in-nude-mice
#14
Barbara Mertens, Tatiane Cristina de Araujo Nogueira, Dimitrios Topalis, Ruzena Stranska, Robert Snoeck, Graciela Andrei
Tumor-tumor distant interactions within one organism are of major clinical relevance determining clinical outcome. To investigate this poorly understood phenomenon, a double human cervical xenograft model in nude mice was developed. A first tumor was induced subcutaneously by injection of human papillomavirus positive cervical carcinoma cells into the mouse lower right flank and 3 weeks later, animals were challenged with the same tumor cell line injected subcutaneously into the upper left flank. These tumors had no direct physical contact and we found no systemic changes induced by the primary tumor affecting the growth of a secondary tumor...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774094/selumetinib-based-therapy-in-uveal-melanoma-patient-derived-xenografts
#15
Didier Decaudin, Rania El Botty, Béré Diallo, Gerald Massonnet, Justine Fleury, Adnan Naguez, Chloé Raymondie, Emma Davies, Aaron Smith, Joanne Wilson, Colin Howes, Paul D Smith, Nathalie Cassoux, Sophie Piperno-Neumann, Sergio Roman-Roman, Fariba Némati
The prognosis of metastatic uveal melanoma (UM) is among the worst of all human cancers. The identification of near-ubiquitous GNAQ/GNA11 mutations and the activation of MAPK signaling in UM have raised hopes of more effective, targeted therapies, based on MEK inhibition, for example. We evaluated the potential of drug combinations to increase the efficacy of the MEK inhibitor selumetinib (AZD6244, ARRY-142886), in UM cell lines and Patient-Derived Xenografts. We first evaluated the combination of selumetinib and DTIC...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773991/first-biologic-drug-in-the-treatment-of-ras-wild-type-metastatic-colorectal-cancer-anti-egfr-or-bevacizumab-results-from-a-meta-analysis
#16
REVIEW
Alessandro Ottaiano, Alfonso De Stefano, Monica Capozzi, Anna Nappi, Chiara De Divitiis, Carmela Romano, Lucrezia Silvestro, Antonino Cassata, Rossana Casaretti, Salvatore Tafuto, Michele Caraglia, Massimiliano Berretta, Guglielmo Nasti, Antonio Avallone
Introduction: We performed a meta-analysis in order to analyze and quantify the effect on survival of starting therapy in RAS wild-type (wt) metastatic colorectal cancer (mCRC) patients with anti-EGFR agents or bevacizumab. Patients and Methods: Randomized, phase II or III, clinical trials reporting overall survival (OS) in RAS wt mCRC patients treated with first-line chemotherapy (CT) associated with bevacizumab or anti-EGFR agents were selected. The primary end-point of this meta-analysis was OS; findings were depicted in classical Forest plots...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29773800/x-ray-structure-of-a-carpet-like-antimicrobial-defensin-phospholipid-membrane-disruption-complex
#17
Michael Järvå, Fung T Lay, Thanh Kha Phan, Cassandra Humble, Ivan K H Poon, Mark R Bleackley, Marilyn A Anderson, Mark D Hulett, Marc Kvansakul
Defensins are cationic antimicrobial peptides expressed throughout the plant and animal kingdoms as a first line of defense against pathogens. Membrane targeting and disruption is a crucial function of many defensins, however the precise mechanism remains unclear. Certain plant defensins form dimers that specifically bind the membrane phospholipids phosphatidic acid (PA) and phosphatidylinositol 4,5-bisphosphate, thereby triggering the assembly of defensin-lipid oligomers that permeabilize cell membranes. To understand this permeabilization mechanism, here we determine the crystal structure of the plant defensin NaD1 bound to PA...
May 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29773773/cuban-epidemic-neuropathy-insights-into-the-toxic-nutritional-hypothesis-through-international-collaboration
#18
Alina González-Quevedo, Rosaralis Santiesteban-Freixas, Janis T Eells, Lucimey Lima, Alfredo A Sadun
From 1991 to 1993, an epidemic of optic and peripheral neuropathy-the largest of the century-broke out in Cuba, affecting more than 50,000 people. Initially the main clinical features were decreased visual acuity, central and cecocentral scotomas, impaired color vision and absence of the papillomacular bundle. Later, peripheral and mixed optic-peripheral forms began to appear. Due to the magnitude of the epidemic, the Cuban government requested help from the international community at the 46th World Health Assembly in 1993...
April 2018: MEDICC Review
https://www.readbyqxmd.com/read/29773596/card10-a-cebpe-target-involved-in-granulocytic-differentiation
#19
Pavithra Shyamsunder, Haresh Sankar, Anand Mayakonda, Lin Han, Hazimah Binte Mohd Nordin, Teoh Weoi Woon, Mahalakshmi Shanmugasundaram, Pushkar Dakle, Vikas Madan, H Phillip Koeffler
Maturation of granulocytes is dependent on controlled gene expression by myeloid lineage restricted transcription factors. CEBPE is one of the essential transcription factors required for granulocytic differentiation. Identification of downstream targets of CEBPE is vital to understand better its role in terminal granulopoiesis. In this study, we have identified Card10 as a novel target of CEBPE. We show that CEBPE binds to regulatory elements upstream of the murine Card10 locus, and expression of CARD10 is significantly reduced in Cebpe knock-out mice...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29773529/development-of-a-just-in-time-adaptive-mhealth-intervention-for-insomnia-usability-study
#20
I Wayan Pulantara, Bambang Parmanto, Anne Germain
BACKGROUND: Healthy sleep is a fundamental component of physical and brain health. Insomnia, however, is a prevalent sleep disorder that compromises functioning, productivity, and health. Therefore, developing efficient treatment delivery methods for insomnia can have significant societal and personal health impacts. Cognitive behavioral therapy for insomnia (CBTI) is the recommended first-line treatment of insomnia but access is currently limited for patients, since treatment must occur in specialty sleep clinics, which suffer from an insufficient number of trained clinicians...
May 17, 2018: JMIR Human Factors
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