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https://www.readbyqxmd.com/read/28881518/-refractory-kaposiform-hemangioendothelioma-with-kasabach-merritt-syndrome-clinical-analysis-of-10-cases
#1
G L Zhang, Y Gao, Y Liu, F Gu, W Su, Q Qin, J Y Chen, H H Zhang, J Yang, X Y Liu
Objective: To analyze the clinical value of sirolimus plus prednisone for the treatment of the refractory kaposiform hemangioendothelioma(RKHE) and Kasabach-Merritt syndrome(KMS). Method: Clinical retrospective analysis was carried out for 10 patients recruited in Children's Hospital Affiliated to Capital Institute of Paediatrics from January 2014 to January 2017 who were non responders to or relapsers after the treatment of propranolol, prednisone, pingyangmycin and lauromacrogol(5 cases RKHE, 5 cases RKHE plus KMS, age ranged from 6 days to 9 years); patients were treated with sirolimus at the dosage of 0...
September 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28879655/pretreatment-with-fish-oil-attenuates-heart-ischemia-consequences-in-rats
#2
Alcione Lescano de Souza Junior, Jorge Mancini Filho, Rosângela Pavan Torres, Maria Cláudia Irigoyen, Rui Curi
Omega-3 polyunsaturated fatty acid (ω-3 PUFA)-rich fish oil supplementation has protective effects on heart ischemic injury. Left ventricular (LV) ischemia was induced in rats by permanent ligation of the left coronary artery. Saline, fish oil or soybean oil was administered daily by gavage (3 g kg(-1) b.w.) for 20 days before inducing ischemia. Outcomes were assessed 24 hours after left coronary artery ligation. Pretreatment with fish oil decreased the ω-6/ω-3 fatty acid ratio in the LV. Reduction in infarct size and in the intensity of ventricular systolic dysfunction was found in the fish oil group as compared with the saline or soybean oil groups through echocardiographic evaluation...
September 6, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28875327/the-effects-of-selenium-supplementation-on-gene-expression-related-to-insulin-and-lipid-in-infertile-polycystic-ovary-syndrome-women-candidate-for-in-vitro-fertilization-a-randomized-double-blind-placebo-controlled-trial
#3
Shahrzad Zadeh Modarres, Zahra Heidar, Fatemeh Foroozanfard, Zahra Rahmati, Esmat Aghadavod, Zatollah Asemi
This study was conducted to evaluate the effects of selenium supplementation on gene expression related to insulin and lipid in infertile women with polycystic ovary syndrome (PCOS) candidate for in vitro fertilization (IVF). This randomized double-blind, placebo-controlled trial was conducted among 40 infertile women with PCOS candidate for IVF. Subjects were randomly allocated into two groups to intake either 200-μg selenium (n = 20) or placebo (n = 20) per day for 8 weeks. Gene expression levels related to insulin and lipid were quantified in lymphocytes of women with PCOS candidate for IVF with RT-PCR method...
September 5, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28874144/circadian-disruption-promotes-tumor-growth-by-anabolic-host-metabolism-experimental-evidence-in-a-rat-model
#4
Natalí N Guerrero-Vargas, Raful Navarro-Espíndola, Mara A Guzmán-Ruíz, María Del Carmen Basualdo, Estefania Espitia-Bautista, Ana López-Bago, Ricardo Lascurain, Cinthya Córdoba-Manilla, Ruud M Buijs, Carolina Escobar
BACKGROUND: Light at night creates a conflicting signal to the biological clock and disrupts circadian physiology. In rodents, light at night increases the risk to develop mood disorders, overweight, disrupted energy metabolism, immune dysfunction and cancer. We hypothesized that constant light (LL) in rats may facilitate tumor growth via disrupted metabolism and increased inflammatory response in the host, inducing a propitious microenvironment for tumor cells. METHODS: Male Wistar rats were exposed to LL or a regular light-dark cycle (LD) for 5 weeks...
September 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28837922/development-of-glut4-selective-antagonists-for-multiple-myeloma-therapy
#5
Changyong Wei, Richa Bajpai, Horrick Sharma, Monique Heitmeier, Atul D Jain, Shannon M Matulis, Ajay K Nooka, Rama K Mishra, Paul W Hruz, Gary E Schiltz, Mala Shanmugam
Cancer cells consume more glucose to fuel metabolic programs fundamental to sustaining their survival, growth and proliferation. Among the fourteen SLC2A family members, GLUTs 1 and 4 are high-affinity glucose transporters. GLUT4 (SLC2A4) is highly expressed in muscle and adipose tissue. Basally retained within the cell, GLUT4 traffics to the plasma membrane (PM) in response to insulin and exercise-stimulation. The plasma cell malignancy multiple myeloma (MM) exhibits increased constitutive expression of GLUT4 on the PM, co-opting use of GLUT4 for survival and proliferation...
October 20, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28803235/18f-fdg-uptake-in-well-differentiated-neuroendocrine-tumors-correlates-with-both-ki-67-and-vhl-pathway-inactivation
#6
Margot Bucau, Astrid Laurent-Bellue, Nicolas Poté, Olivia Hentic, Jérôme Cros, Nidaa Mikail, Vinciane Rebours, Philippe Ruszniewski, Rachida Lebtahi, Anne Couvelard
<br>Introduction: 18FDG PET-scanner positivity correlates with poor prognosis in neuroendocrine neoplasms (NEN). Glucose transporter 1 (GLUT1) and carbonic anhydrase 9 (CA9) are markers of agressivity in tumors. Together with pVHL, they are involved in tumor cell metabolism via the hypoxia-inducible factor (HIF) signaling pathway. The aim of this study was to compare, in a series of well-differentiated neuroendocrine tumors (NET), the 18-FDG uptake and expression of proliferation marker Ki-67, GLUT-1, CA9 and pVHL...
August 11, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28794690/gender-related-prognostic-significance-of-clinical-and-biological-tumor-features-in-rectal-cancer-patients-receiving-short-course-preoperative-radiotherapy
#7
Anna Gasinska, Zbigniew Darasz, Agnieszka Adamczyk, Beata Biesaga, Joanna Niemiec, Marian Reinfuss
AIM: To study the prognostic value of clinical and biological features of rectal cancer and potential gender differences in patients' overall survival (OS), local recurrence-free survival (RFS) and metastasis-free survival (MFS) after short-course preoperative radiotherapy (SCRT) with short or long interval between RT and surgery (break). BACKGROUND: The length of the interval between RT and surgery in SCRT is debatable and gender-related differences in patients survival are not established yet...
September 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28790533/differential-expression-of-glycolysis-related-proteins-in-follicular-neoplasms-versus-h%C3%A3-rthle-cell-neoplasms-a-retrospective-analysis
#8
Hye Min Kim, Ja Seung Koo
PURPOSE: Although currently classified as variants of follicular neoplasms (FNs), Hürthle cell neoplasms (HCNs) exhibit distinct biological characteristics. Hence, the metabolism of both neoplasms may also be different. The aims of this study were to investigate and compare the expression of glycolysis-related proteins in HCNs and FNs and to determine the clinical implications of such expression. METHODS: Tissue microarrays were constructed with 265 samples of FNs (112 follicular carcinomas (FCs) and 153 follicular adenomas (FAs)) as well as 108 samples of HCNs (27 Hürthle cell carcinomas (HCCs) and 81 Hürthle cell adenomas (HCAs))...
2017: Disease Markers
https://www.readbyqxmd.com/read/28783583/influence-of-quercetin-naringenin-and-berberine-on-glucose-transporters-and-insulin-signalling-molecules-in-brain-of-streptozotocin-induced-diabetic-rats
#9
Sandeep M S, Nandini C D
Quercetin, naringenin, and berberine are plant bioactives that can cross the blood-brain barrier and offer neuroprotection. In the present study, we looked into the effect of them on expression of various glucose transporters and key components of brain insulin signalling, namely, insulin receptor substrate 1 (IRS 1), phosphatidyl inositol 3 kinase (PI3K), Akt 1 and low-density lipoprotein receptor-related protein 1 (LRP1) in brain of control, diabetic and bioactive-treated rats by Western blot. Amongst the bioactives tested, quercetin was more potent and restored LRP1 and brain insulin signalling components as well as glucose transporters such as GLUTs 1, 2, 3 and 4 in diabetic animals...
August 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28764171/evaluation-of-hypoxia-inducible-factor-1%C3%AE-and-glucose-transporter-1-expression-in-non-melanoma-skin-cancer-an-immunohistochemical-study
#10
Iman Seleit, Ola Ahmed Bakry, Dalia Rifaat Al-Sharaky, Rania Abdel Aziz Ragab, Shimaa Ahmed Al-Shiemy
INTRODUCTION: Hypoxia Inducible Factor-1 (HIF-1) is a mediator enabling cell adaptation to hypoxia. It plays its role mainly through transcription of many target genes including Glucose Transporter-1 (GLUT-1) gene. AIM: The present work aimed at evaluating the pattern and distribution of HIF-1α and GLUT-1 in each case and control. MATERIALS AND METHODS: A case-control and retrospective study was conducted on archival blocks diagnosed from pathology department as, Basal Cell Carcinoma (BCC, 20 cases), cutaneous Squamous Cell Carcinoma (SCC, 20 cases) and 20 normal site-matched skin biopsies from age and gender-matched healthy subjects as a control...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28753560/enhancement-of-the-anti-tumor-activity-of-fgfr1-inhibition-in-squamous-cell-lung-cancer-by-targeting-downstream-signaling-involved-in-glucose-metabolism
#11
Claudia Fumarola, Daniele Cretella, Silvia La Monica, Mara A Bonelli, Roberta Alfieri, Cristina Caffarra, Federico Quaini, Denise Madeddu, Angela Falco, Andrea Cavazzoni, Graziana Digiacomo, Giulia Mazzaschi, Valentina Vivo, Elisabetta Barocelli, Marcello Tiseo, Pier Giorgio Petronini, Andrea Ardizzoni
Fibroblast Growth Factor Receptor (FGFR) signaling is a complex pathway which controls several processes, including cell proliferation, survival, migration, and metabolism. FGFR1 signaling is frequently deregulated via amplification/over-expression in NSCLC of squamous histotype (SQCLC), however its inhibition has not been successfully translated in clinical setting. We determined whether targeting downstream signaling implicated in FGFR1 effects on glucose metabolism potentiates the anti-tumor activity of FGFR1 inhibition in SQCLC...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28752076/molecular-machineries-of-ph-dysregulation-in-tumor-microenvironment-potential-targets-for-cancer-therapy
#12
REVIEW
Mohammad Reza Asgharzadeh, Jaleh Barar, Mohammad M Pourseif, Morteza Eskandani, Mojtaba Jafari Niya, Mohammad Reza Mashayekhi, Yadollah Omidi
Introduction: Cancer is an intricate disorder/dysfunction of cells that can be defined as a genetic heterogeneity in human disease. Therefore, it is characterized by several adaptive complex hallmarks. Among them, the pH dysregulation appears as a symbol of aberrant functions within the tumor microenvironment (TME). In comparison with normal tissues, in the solid tumors, we face with an irregular acidification and alkalinization of the extracellular and intracellular fluids. Methods: In this study, we comprehensively discussed the most recent reports on the hallmarks of solid tumors to provide deep insights upon the molecular machineries involved in the pH dysregulation of solid tumors and their impacts on the initiation and progression of cancer...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28746873/deletion-of-glut1-and-glut3-reveals-multiple-roles-for-glucose-metabolism-in-platelet-and-megakaryocyte-function
#13
Trevor P Fidler, Robert A Campbell, Trevor Funari, Nicholas Dunne, Enrique Balderas Angeles, Elizabeth A Middleton, Dipayan Chaudhuri, Andrew S Weyrch, E Dale Abel
Anucleate platelets circulate in the blood to facilitate thrombosis and diverse immune functions. Platelet activation leading to clot formation correlates with increased glycogenolysis, glucose uptake, glucose oxidation, and lactic acid production. Simultaneous deletion of glucose transporter (GLUT) 1 and GLUT3 (double knockout [DKO]) specifically in platelets completely abolished glucose uptake. In DKO platelets, mitochondrial oxidative metabolism of non-glycolytic substrates, such as glutamate, increased...
July 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28735466/comparative-metabolic-analysis-in-head-and-neck-cancer-and-the-normal-gingiva
#14
Nadine Fabienne Voelxen, Sebastian Blatt, Pascal Knopf, Maurice Henkel, Christina Appelhans, Leonardo A R Righesso, Andreas Pabst, Jutta Goldschmitt, Stefan Walenta, Andreas Neff, Wolfgang Mueller-Klieser, Thomas Ziebart
OBJECTIVES: Chronic accumulation of lactate in malignant tumor tissue is associated with increased malignancy and radioresistance. For this study, biopsies of primary head and neck squamous cell carcinoma (HNSCC) and of the normal gingiva of the same patient were compared via metabolic profiling to the healthy gingiva from cancer-free patients. MATERIALS AND METHODS: Cryobiopsies of 140 HNSCC patients were used to determine ATP, lactate, and glucose concentrations of the tumor and normal gingiva via induced metabolic bioluminescence imaging (imBI)...
July 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28718701/occludin-regulates-glucose-uptake-and-atp-production-in-pericytes-by-influencing-amp-activated-protein-kinase-activity
#15
Victor Castro, Marta Skowronska, Jorge Lombardi, Jane He, Neil Seth, Martina Velichkovska, Michal Toborek
Energetic regulation at the blood-brain barrier is critical for maintaining its integrity, transport capabilities, and brain demands for glucose. However, the underlying mechanisms that regulate these processes are still poorly explored. We recently characterized the protein occludin as a NADH oxidase and demonstrated its influence on the expression and activation of the histone deacetylase SIRT-1. Because SIRT-1 works in concert with AMP-activated protein kinase (AMPK) (AMPK), we investigated the impact of occludin on this metabolic switch...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28705470/hypoxia-and-hypoxia-response-associated-molecular-markers-in-esophageal-cancer-a-systematic-review
#16
REVIEW
Jurgen Peerlings, Lien Van De Voorde, Cristina Mitea, Ruben Larue, Ala Yaromina, Sebastian Sandeleanu, Linda Spiegelberg, Ludwig Dubois, Philippe Lambin, Felix M Mottaghy
PURPOSE: In this systematic review, the existing evidence of available hypoxia-associated molecular response biomarkers in esophageal cancer (EC) patients is summarized and set into the context of the role of hypoxia in the prediction of esophageal cancer, treatment response and treatment outcome. METHODS: A systematic literature search was performed in Web of Science, MEDLINE, and PubMed databases using the keywords: hypoxia, esophagus, cancer, treatment outcome and treatment response...
July 10, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28698401/glucose-transporter-1-as-an-independent-prognostic-marker-for-cancer-a-meta-analysis
#17
Zheng-Xiao Zhao, Lin-Wei Lu, Jian Qiu, Qiu-Ping Li, Fei Xu, Bao-Jun Liu, Jing-Cheng Dong, Wei-Yi Gong
OBJECTIVE: Glucose transporter-1 (GLUT-1) as the major glucose transporter present in human cells is found overexpressed in a proportion of human malignancies. This meta-analysis is attempted to assess the prognostic significance of GLUT-1 for survival in various cancers. MATERIALS AND METHODS: We conducted an electronic search using the databases PubMed, Embase and Web of Science, from inception to Oct 20th, 2016. Pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28685443/environmental-enrichment-induces-increased-cerebral-capillary-density-and-improved-cognitive-function-in-mice
#18
Chuan He, Constantinos P Tsipis, Joseph C LaManna, Kui Xu
Enrichment provides an environment that fosters increased physical activity and sensory stimulation as compared to standard housing. Promoting and sustaining stimulation increases neuronal activity and, consequently, brain oxygen demand. The mammalian brain modulates its microvascular network to accommodate tissue energy demand in a process referred to as angioplasticity. In this study we investigated the effect of an environmental enrichment on cerebral capillary density and cognitive performance in mice. Microvascular density (N/mm(2)) was determined by GLUT-1 immunohistochemistry in mice (3 months old) after 3 weeks of placement in a non-enriched or an enriched environment...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28684236/development-of-insulin-resistance-through-sprouting-of-inflammatory-markers-during-hypoxia-in-3t3-l1-adipocytes-and-amelioration-with-curcumin
#19
A Priyanka, G L Shyni, Nair Anupama, P Salin Raj, S S Anusree, K G Raghu
The role of phytochemicals in general well-being has been recognized. Curcumin is an ideal example. Hypoxia in adipose tissue is a major cause of inflammation and insulin resistance in obesity. Herein we mainly explored inflammation, insulin resistance and angiogenesis in 3T3-L1 adipocytes and possible reversal with the curcumin during hypoxia. Hypoxia for 24h significantly increased (P ≤ 0.05) the secretion of monocyte chemotactic protein-1 (4.59 fold), leptin (2.96 fold) and reduced adiponectin (2.93 fold)...
July 4, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28625360/hypoxia-primed-placental-mesenchymal-stem-cells-for-wound-healing
#20
Suja Ann Mathew, Bhawna Chandravanshi, Ramesh Bhonde
AIMS: To investigate how Placental Mesenchymal Stem Cells (P-MSCs) would adapt themselves and survive under hypoxic conditions which are prevalent in most injury sites. MAIN METHODS: P-MSCs were isolated from term placenta and characterised under normoxia and hypoxia (2-2.5% O2). Cells were examined for morphology and surface marker variations by flow cytometry analysis. Glucose stimulated insulin secretion was assayed by Insulin ELISA Kit. Gene expression levels were estimated using Real Time PCR for hypoxia inducible factor1 alpha, Insulin (INS), Glucose transporters (GLUT-1, GLUT-2 and GLUT-3), Adhesion Proteins- Integrins, Fibronectin1 (FN1), E-Cadherin (CDH1), and N-Cadherin (CDH2) and angiogenesis marker VEGFA...
August 1, 2017: Life Sciences
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