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https://www.readbyqxmd.com/read/29454288/apocynum-venetum-leaf-extract-reverses-depressive-like-behaviors-in-chronically-stressed-rats-by-inhibiting-oxidative-stress-and-apoptosis
#1
Xiangting Li, Ting Wu, Zhonghai Yu, Tingting Li, Jingsi Zhang, Zhennian Zhang, Min Cai, Wen Zhang, Jun Xiang, Dingfang Cai
BACKGROUND: Major depressive disorder (MDD) is a common but serious psychiatric disorder, but current treatments are inadequate for approximately half of the patients with MDD. Thus, better methods of treatment are urgently needed. This study aimed to investigate the antidepressant-like effects and potential mechanism of Apocynum venetum leaf extract (AVLE) in chronic unpredictable mild stress (CUMS) rat model of depression. MATERIALS AND METHODS: The CUMS rat model of depression was used to investigate the antidepressant-like activity and relevant mechanism of AVLE (30, 60, and 125 mg/kg, i...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454286/the-vasodilatory-effect-of-allopurinol-mediates-its-antihypertensive-effect-effects-on-calcium-movement-and-cardiac-hemodynamics
#2
Hany M El-Bassossy, Mona F Mahmoud, Basma G Eid
Despite the reported reduction in blood pressure in hypertensive patients treated with allopurinol, the mechanism of the allopurinol hypotensive effect is still unclear. In the current study, the hypotensive effect of allopurinol has been fully investigated in hypertensive rats. Hypertension was induced in rats by angiotensin II (120 ng/min/kg) infusion for two weeks. Rats were then subjected to real-time recording of blood pressure, left ventricular pressure and volume and surface ECG. After 10 min of basal recording, allopurinol was slowly injected into the femoral vein with a dose of 10 μmole/kg...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454285/pou5f1b-promotes-hepatocellular-carcinoma-proliferation-by-activating-akt
#3
Yaozhen Pan, Lei Zhan, Ling Chen, Hong Zhang, Chengyi Sun, Chungen Xing
Hepatocellular carcinoma (HCC) is one of the most common tumors, so far, there still aren't good therapeutic methods. Looking for new targets makes a top priority. In this study, we found a OCT4 pseudogene, POU5F1B was significantly upregulated in HCC cells and tissues, patients with high POU5F1B had shorter survival time compared to patients with low POU5F1B expression. POU5F1B overexpression promoted HCC proliferation, while its knockdown inhibited HCC proliferation determined by MTT assay, soft agar growth assay, BrdU incorporation assay, and cell cycle assay...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454155/immune-checkpoint-inhibitors-in-non-small-cell-lung-cancer-nsclc-approaches-on-special-subgroups-and-unresolved-burning-questions
#4
REVIEW
J Remon, N Vilariño, N Reguart
Immune checkpoint inhibitors (ICIs) have been incorporated in the treatment strategy of advanced non-small cell lung cancer (NSCLC). Beyond the already approved indications in first- and second-line setting of advanced NSCLC, new data has recently emerged demonstrating its efficacy in locally advanced disease as maintenance after chemo-radiotherapy and currently several trials are also exploring its efficacy in earlier stages of the disease to evaluate whether these results could be extrapolated to the adjuvant setting...
February 8, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29454096/jak-stat-inhibitors-and-other-small-molecule-cytokine-antagonists-for-the-treatment-of-allergic-disease
#5
REVIEW
Michael D Howell, Carolyn Fitzsimons, Paul Smith
OBJECTIVE: To provide an overview of janus kinase (JAK), chemoattractant receptor-homologous molecule expressed on T-helper 2 cells (CRTH2), and phosphodiesterase 4 (PDE4) inhibitors in allergic disorders. DATA SOURCES: PubMed literature review. STUDY SELECTIONS: Articles included in this review discuss the emerging mechanism of action of small molecule inhibitors and their utilization in atopic dermatitis (AD), asthma, and allergic rhinitis (AR)...
February 14, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29454095/an-esophageal-adenocarcinoma-susceptibility-locus-at-9q22-also-confers-risk-to-esophageal-squamous-cell-carcinoma-by-regulating-the-function-of-barx1
#6
Caiwang Yan, Yong Ji, Tongtong Huang, Fei Yu, Yong Gao, Yayun Gu, Qi Qi, Jiangbo Du, Juncheng Dai, Hongxia Ma, Guangfu Jin
Genome wide association studies (GWAS) have identified a series of genetic variants associated with the risk of esophageal adenocarcinoma (EAC)/Barrett's esophagus (BE), which was different from those loci for esophageal squamous cell carcinoma (ESCC). It is important to evaluate whether these susceptibility loci for EAC/BE are also implicated in ESCC development. In the current study, we analyzed genetic variants at 3p13, 9q22, 16q24 and 19p13 in a case-control study including 2139 ESCC patients and 2463 cancer-free controls in a Chinese population, and further characterized the biological relevance of genetic variants by functional assays...
February 14, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29454094/synergistic-activity-of-bet-inhibitor-bi-894999-with-plk-inhibitor-volasertib-in-aml-in-vitro-and-in-vivo
#7
Ulrike Tontsch-Grunt, Dorothea Rudolph, Irene Waizenegger, Anke Baum, Daniel Gerlach, Harald Engelhardt, Melanie Wurm, Fabio Savarese, Norbert Schweifer, Norbert Kraut
Interactions between a new potent Bromodomain and extraterminal domain (BET) inhibitor BI 894999 and the polo-like kinase (PLK) inhibitor volasertib were studied in acute myeloid leukemia cell lines in vitro and in vivo. We provide data for the distinct mechanisms of action of these two compounds with a potential utility in AML based on gene expression, cell cycle profile and modulation of PD biomarkers such as MYC and HEXIM1. In contrast to BI 894999, volasertib treatment neither affects MYC nor HEXIM1 expression, but augments and prolongs the decrease of MYC expression caused by BI 894999 treatment...
February 14, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29454075/the-g-protein-coupled-p2y-6-receptor-promotes-colorectal-cancer-tumorigenesis-by-inhibiting-apoptosis
#8
Morgane Placet, Guillaume Arguin, Caroline M Molle, Jean-Philippe Babeu, Christine Jones, Julie C Carrier, Bernand Robaye, Sameh Geha, Francois Boudreau, Fernand-Pierre Gendron
Colorectal tumors are immersed in an array of tumor-promoting factors including extracellular nucleotides such as uridine 5'‑diphosphate (UDP). UDP is the endogenous agonist of the G protein-coupled P2Y 6 receptor (P2Y 6 R), which may contribute to the formation of a tumor-promoting microenvironment by coordinating resistance to apoptosis. Colorectal cancer (CRC) was chemically induced in P2ry6 knockout (P2ry6 -/- ) mice using azoxymethane and dextran sulfate sodium challenges. Mice were euthanatized and their tumor load determined...
February 14, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29454011/comparative-study-on-some-oxidative-stress-parameters-in-blood-of-vitiligo-patients-before-and-after-combined-therapy
#9
A Zheleva, G Nikolova, Y Karamalakova, E Hristakieva, R Lavcheva, V Gadjeva
Currently accepted that oxidative stress is a triggering event in the melanocytic destruction and is probably involved in the etiopathogenesis of vitiligo disease. Despite numerous investigations, contradictory results were reported about the levels of oxidative stress biomarkers measured in the skin and blood of vitiligo patients. By Electron Paramagnetic Resonance spectroscopy (EPR) and spectrophotometry, we have investigated and compared some oxidative stress biomarkers in the blood of vitiligo patients' before and after UVB Narrow Band 311 nm phototherapy combined with the antioxidant nutritional supplement containing - Vitamin C, Vitamin B1, L -Cysteine, Lipoic Acid, and polyunsaturated fatty acids...
February 14, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29454001/brain-bioenergetics-in-rats-with-acute-hyperphenylalaninemia
#10
Nádia Weber Dimer, Bruna Klippel Ferreira, Jotele Fontana Agostini, Maria Luiza Gomes, Luiza Wilges Kist, Fernanda Malgarin, Milena Carvalho-Silva, Lara Mezari Gomes, Joyce Rebelo, Marisa Jádna Silva Frederico, Fátima Regina Mena Barreto Silva, Eduardo Pacheco Rico, Mauricio Reis Bogo, Emilio Luiz Streck, Gustavo Costa Ferreira, Patrícia Fernanda Schuck
Phenylketonuria (PKU) is a disorder of phenylalanine (Phe) metabolism caused by deficient phenylalanine hydroxylase activity. The deficiency results in increased levels of Phe and its metabolites in fluids and tissues of patients. PKU patients present neurological signals and symptoms including hypomyelination and intellectual deficit. This study assessed brain bioenergetics at 1 h after acute Phe administration to induce hyperphenylalaninemia (HPA) in rats. Wistar rats were randomized in two groups: HPA animals received a single subcutaneous administration of Phe (5...
February 14, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29453983/aldolase-a-overexpression-is-associated-with-poor-prognosis-and-promotes-tumor-progression-by-the-epithelial-mesenchymal-transition-in-colon-cancer
#11
Feng Ye, Yixing Chen, Lu Xia, Jiabian Lian, Shuyu Yang
There is increasing evidence that glycolysis is involved in cancer progression. Aldolase is a glycolytic enzyme that catalyzes the reversible conversion of fructose-1,6-bisphosphate to glyceraldehyde-3-phosphate and dihydroxyacetone phosphate. Disruption of the aldolase genes also plays a role in the progression of multiple types of cancer. However, the underlying mechanism of the action of aldolases in colon cancer progression remains elusive. In this study, aldolase A expression was investigated and found to be upregulated along with human colon cancer progression and metastasis at both the mRNA and protein levels in human colon cancer tissues...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453931/comparison-of-return-to-pre-injury-sport-after-10-mm-size-bone-patellar-tendon-bone-bptb-versus-8-mm-hamstring-anterior-cruciate-ligament-reconstruction-a-retrospective-study-with-a-two-year-follow-up
#12
Rimtautas Gudas, Rokas Jurkonis, Alfredas Smailys
BACKGROUND The aim of this study was to evaluate the reconstruction of a torn anterior cruciate ligament (ACL) with 10 mm diameter BPTB (bone-patellar tendon-bone) autograft versus 8 mm HT (hamstring tendon) autografts, to compare the ability to restore pre-injury sports activities and reduce revision risk after these procedures. MATERIAL AND METHODS A prospective clinical review was performed to compare results of patients who underwent primary anatomical ACLR with 10 mm BPTB autografts with patients who underwent 8 mm diameter HT autografts, between January 2011 and January 2014...
February 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29453928/cd4-cd25-cd127low-foxp3-regulatory-t-cells-in-crohn-s-disease
#13
Ali Khalili, Soheil Ebrahimpour, Iradj Maleki, Saeid Abediankenari, Mousa Mohammadnia Afrouzi
BACKGROUND: Regulatory T (Treg) cell play a key role in autoimmune diseases. We evaluated the regulatory function and frequency of Treg cells and secreted IL-10, IL-35 concentration in Crohn's disease (CD). METHODS: Twenty-three patients with CD and 25 healthy controls (HC) were included in this study. We analysed the alteration of Tregs frequency using flow cytometry for CD4, CD25, CD127 and FoxP3 markers. Surface expression of CD4, CD25 and CD127 markers were used for isolation of a relatively pure Treg cells...
February 16, 2018: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/29453914/medication-adherence-and-health-related-quality-of-life-among-patients-with-chronic-obstructive-pulmonary-disease
#14
Nejc Horvat, Igor Locatelli, Mitja Kos, Ana Janežič
This study evaluated medication adherence and health-related quality of life (HRQoL) of Slovenian patients with chronic obstructive pulmonary disease (COPD) and examined the factors associated with HRQoL. Demographic and therapy information was collected from 65 patients through interviews. The St. George's Respiratory Questionnaire and the Morisky Medication Adherence Scale were used to evaluate HRQoL and adherence, resp. A multiple linear regression model was used to assess the association between the factors and HRQoL...
March 1, 2018: Acta Pharmaceutica
https://www.readbyqxmd.com/read/29453856/defective-rna-sensing-by-rig-i-in-severe-influenza-virus-infection
#15
Sofie Eg Jørgensen, Mette Christiansen, Laura Barrett Ryø, Hans Henrik Gad, Jakob Gjedsted, Peter Staeheli, Jacob Giehm Mikkelsen, Merete Storgaard, Rune Hartmann, Trine Hyrup Mogensen
Influenza virus infection causes worldwide seasonal epidemics. Although influenza usually is a mild disease, a minority of patients experience very severe fulminating disease courses. Previous studies have demonstrated a role for type I interferon (IFN) in antiviral responses during influenza. However, IFN regulatory factor (IRF)7 deficiency is so far the only genetic cause of severe influenza described in humans. In this study we present a patient with severe influenza A virus (IAV) H1N1 infection during the 2009 Swine Flu pandemic...
February 17, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29453853/role-of-bi-weekly-serum-galactomannan-screening-for-the-diagnosis-of-invasive-aspergillosis-in-hematologic-cancer-patients
#16
Jade Couchepin, Anne-Sophie Brunel, Katia Jaton, Pascal Meylan, Pierre-Yves Bochud, Frédéric Lamoth
Invasive aspergillosis (IA) is a life-threatening infection affecting hematologic cancer patients with chemotherapy-induced neutropenia. The diagnosis of IA often relies on the detection of galactomannan (GM) in serum or bronchoalveolar lavage fluid (BAL). Bi-weekly serum GM screening has been proposed for a preemptive therapeutic approach of IA in patients not receiving mold-active prophylaxis. We have analyzed all IA cases among patients with hematologic malignancies and prolonged chemotherapy-induced neutropenia (>14 days) in our institution over a 10-year period (2007-2017)...
February 17, 2018: Mycoses
https://www.readbyqxmd.com/read/29453814/preclinical-evaluation-of-a-semi-automated-and-rapid-commercial-electrophoresis-assay-for-von-willebrand-factor-multimers
#17
Marika Pikta, Galina Zemtsovskaja, Hector Bautista, Georges Nouadje, Timea Szanto, Margus Viigimaa, Valdas Banys
BACKGROUND: The von Willebrand factor (VWF) multimer test is required to correctly subtype qualitative type 2 von Willebrand disease (VWD). The current VWF multimer assays are difficult, nonstandardized, and time-consuming. The purpose of this study was to evaluate the clinical utility of the commercial VWF multimer kit by Sebia (Lisses, France), an electrophoresis technique yielding same-day results. METHODS: Ten healthy volunteer plasma samples, in-house reference plasma (IRP) and commercial normal plasma (CNP) samples, 10 plasma samples from patients with a known VWD type, 1 hemophilia A plasma sample, and 7 external quality assurance (EQA) samples were analyzed using the commercial VWF multimer kit...
February 17, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29453793/cross-cultural-comparison-of-predictors-for-self-care-behaviors-in-patients-with-type-2-diabetes
#18
Kaori Ikeda, Shimpei Fujimoto, Beth Morling, Shiho Ayano-Takahara, Shin-Ichi Harashima, Yukiko Uchida, Nobuya Inagaki
The aim of this study is to evaluate how culture moderates the behavioral and psychosocial predictors of diabetes self-care activities. Patients with type 2 diabetes were recruited in the outpatient department at two sites: Kyoto University hospital in Japan and the Christiana Care Health System in the United States. The data was collected by survey using questionnaires including questions on the frequency of self-care activities, behavioral and psychosocial predictors, and other background information from 149 Japanese patients and 48 American patients...
February 17, 2018: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/29453790/amyloid-beta-1-40-is-associated-with-alterations-in-ng2-pericyte-population-ex-vivo-and-in-vitro
#19
Nina Schultz, Kristoffer Brännström, Elin Byman, Simon Moussaud, Henrietta M Nielsen, Anders Olofsson, Malin Wennström
The population of brain pericytes, a cell type important for vessel stability and blood brain barrier function, has recently been shown altered in patients with Alzheimer's disease (AD). The underlying reason for this alteration is not fully understood, but progressive accumulation of the AD characteristic peptide amyloid-beta (Aβ) has been suggested as a potential culprit. In the current study, we show reduced number of hippocampal NG2+ pericytes and an association between NG2+ pericyte numbers and Aβ1-40 levels in AD patients...
February 17, 2018: Aging Cell
https://www.readbyqxmd.com/read/29453787/a-phase-ii-trial-of-riluzole-an-antagonist-of-metabotropic-glutamate-receptor-1-grm1-signaling-in-patients-with-advanced-melanoma
#20
Janice M Mehnert, Ann W Silk, Yu Wen, J H Lee, Liesel Dudek, Byeong-Seon Jeong, Jiadong Li, Jason M Schenkel, Evita Sadimin, Michael Kane, Hongxia Lin, Weichung J Shih, Andrew Zloza, Suzie Chen, James S Goydos
Studies demonstrate that GRM, expressed by >60% of human melanomas, may be a therapeutic target. We performed a phase II trial of 100 mg po bid of riluzole, an inhibitor of GRM1 signaling, in patients with advanced melanoma with the primary endpoint of response rate. Thirteen patients with GRM1-positive tumors were enrolled. No objective responses were observed and accrual was stopped. Stable disease was noted in 6 (46%) patients, with 1 patient on study for 42 weeks. Riluzole was well-tolerated, with fatigue (62%) as the most common adverse event...
February 17, 2018: Pigment Cell & Melanoma Research
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