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https://www.readbyqxmd.com/read/29314300/low-grade-fibromyxoid-sarcoma-arising-within-the-median-nerve
#1
Amy A Swanson, Caterina Giannini, Andrew L Folpe, Daniel L Van Dyke, Kimberly K Amrami, William A Michalak, Rachael A Vaubel
We report a case of low-grade fibromyxoid sarcoma arising within the median nerve. A 31-year-old woman presented with symptoms of carpal tunnel syndrome and an enlarging mass in her right palm over 1 year. MRI demonstrated a mass associated with the right median nerve with solid and cystic components. At surgery, the mass was located within the epineurium, could be bluntly dissected from the nerve fascicles, and was suspected to be a schwannoma. A 3.4 cm, tan-pink, glistening, smooth, homogenous mass was submitted to pathology...
January 3, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29306057/the-effects-of-omega-3-and-vitamin-e-co-supplementation-on-parameters-of-mental-health-and-gene-expression-related-to-insulin-and-inflammation-in-subjects-with-polycystic-ovary-syndrome
#2
Mehri Jamilian, Azadeh Shojaei, Mansooreh Samimi, Faraneh Afshar Ebrahimi, Esmat Aghadavod, Maryam Karamali, Mohsen Taghizadeh, Hamidreza Jamilian, Somayeh Alaeinasab, Sadegh Jafarnejad, Zatollah Asemi
OBJECTIVE: The aim of this study was to evaluate the effects of omega-3 and vitamin E co-supplementation on parameters of mental health and gene expression related to insulin and inflammation in subjects with polycystic ovary syndrome (PCOS). METHODS: Forty PCOS women were allocated into two groups and treated with 1000mg omega-3 fatty acids plus 400 IU vitamin E supplements (n = 20) or placebo (n = 20) per day for 12 weeks. Parameters of mental health were recorded at baseline and after the 12-week intervention...
December 28, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29303961/individualizing-treatment-approaches-for-epileptic-patients-with-glucose-transporter-type1-glut-1-deficiency
#3
REVIEW
Armond Daci, Adnan Bozalija, Fisnik Jashari, Shaip Krasniqi
Monogenic and polygenic mutations are important contributors in patients suffering from epilepsy, including metabolic epilepsies which are inborn errors of metabolism with a good respond to specific dietetic treatments. Heterozygous variation in solute carrier family 2, facilitated glucose transporter member 1 (SLC2A1) and mutations of the GLUT1/SLC2A2 gene results in the failure of glucose transport, which is related with a glucose type-1 transporter (GLUT1) deficiency syndrome (GLUT1DS). GLUT1 deficiency syndrome is a treatable disorder of glucose transport into the brain caused by a variety of mutations in the SLC2A1 gene which are the cause of different neurological disorders also with different types of epilepsy and related clinical phenotypes...
January 5, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29298529/shbg-expression-is-correlated-with-pi3k-akt-pathway-activity-in-a-cellular-model-of-human-insulin-resistance
#4
Chong Feng, Zhen Jin, Xinshu Chi, Bao Zhang, Xiaoyan Wang, Lei Sun, Jiehui Fan, Qian Sun, Xuan Zhang
Decreased sex hormone-binding globulin (SHBG) expression is an independent risk factor for gestational diabetes mellitus(GDM).However, the mechanisms that link low SHBG expression and insulin resistance in GDM is unclear. In this study, we investigated the placenta SHBG in the PI3K/AKT pathway to reveal the mechanism that links decreased SHBG to insulin resistance. A insulin resistance cells model was established by the method of insulin stimulation. Two groups were set up, HTR8/Svneo cells and insulin-resistance cells of HTR8/SVneo...
January 3, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29298131/a-systematic-review-of-p53-regulation-of-oxidative-stress-in-skeletal-muscle
#5
Kaitlyn Beyfuss, David A Hood
BACKGROUND: p53 is a tumor suppressor protein involved in regulating a wide array of signaling pathways. The role of p53 in the cell is determined by the type of imposed oxidative stress, its intensity and duration. The last decade of research has unravelled a dual nature in the function of p53 in mediating the oxidative stress burden. However, this is dependent on the specific properties of the applied stress and thus requires further analysis. METHODS: A systematic review was performed following an electronic search of Pubmed, Google Scholar, and ScienceDirect databases...
January 3, 2018: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/29290263/abundant-tumor-promoting-stromal-cells-in-lung-adenocarcinoma-with-hypoxic-regions
#6
Hiroshi Nakamura, Tomohiro Ichikawa, Shoko Nakasone, Tomohiro Miyoshi, Masato Sugano, Motohiro Kojima, Satoshi Fujii, Atsushi Ochiai, Takeshi Kuwata, Keiju Aokage, Kenji Suzuki, Masahiro Tsuboi, Genichiro Ishii
OBJECTIVES: Carbonic anhydrase IX (CAIX) is a marker of hypoxia and its expression by cancer associated fibroblasts (CAFs) was reportedly associated with the poor prognosis of lung adenocarcinoma. This study aimed to characterize the hypoxic microenvironment containing CAIX (+) CAFs. MATERIALS AND METHODS: First, we evaluated the clinicopathological significance of CAIX expression by CAFs in 3cm and above lung adenocarcinoma (n=188). We then compared the expressions of E-cadherin, ezrin, ALDH-1, CD44, EGFR, HSF-1, Glut-1, and PD-L1 in cancer cells, as well as those of CD204 and podoplanin in stromal cells between CAIX (+) CAFs and CAIX (-) CAFs cases (n=25, each)...
January 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29284375/one-week-exposure-to-a-free-choice-high-fat-high-sugar-diet-does-not-disrupt-blood-brain-barrier-permeability-in-fed-or-overnight-fasted-rats
#7
M Rijnsburger, U A Unmehopa, L Eggels, M J Serlie, S E la Fleur
OBJECTIVES: The hypothalamus lies adjacent to the third ventricle and is in close proximity with the median eminence (ME), a circumventricular organ with an incomplete blood-brain barrier (BBB) which controls direct entry of nutrients into the brain. The blood-CSF barrier of the hypothalamus shows dynamic changes upon neuroendocrine events and adjusts permeability with the tight junction (TJ) complex. It has been shown that chronic exposure to a high-fat diet (HFD) affects BBB permeability...
December 29, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29274367/the-effects-of-incretin-hormones-on-cerebral-glucose-metabolism-in-health-and-disease
#8
REVIEW
Malin Nilsson, Albert Gjedde, Birgitte Brock, Michael Gejl, Jørgen Rungby
Incretin hormones, notably glucagon-like peptide-1 (GLP-1), are gluco-regulatory hormones with pleiotropic effects also in the central nervous system. Apart from a local production of GLP-1, systemic administration of the hormone has been shown to influence a number of cerebral pathologies, including neuroinflammation. Given the brains massive dependence on glucose as its major fuel, we here review the mechanistics of cerebral glucose transport and metabolism, focusing on the deleterious effects of both hypo- and hyperglycaemia...
December 20, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29228630/transplantation-of-ips-cell-derived-neural-progenitors-overexpressing-sdf-1%C3%AE-increases-regeneration-and-functional-recovery-after-ischemic-stroke
#9
Monica Chau, Todd C Deveau, Mingke Song, Zheng Z Wei, Xiaohuan Gu, Shan Ping Yu, Ling Wei
Ischemic stroke is a leading cause of human death and disability while clinical treatments are limited. The adult brain possesses endogenous regenerative activities that may benefit tissue repair after stroke. Trophic factors such as stromal cell-derived factor 1 alpha (SDF-1α) are upregulated in the ischemic brain, which promote endogenous regeneration. The regenerative response, however, is normally insufficient. Transplantation of exogenous cells has been explored as regenerative therapies. One promising cell type for transplantation is induced pluripotent stem (iPS) cells which are cells genetically reprogrammed from adult somatic cells...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29216863/ccl5-ccr5-interactions-modulate-metabolic-events-during-tumor-onset-to-promote-tumorigenesis
#10
Darrin Gao, Lisa H Cazares, Eleanor N Fish
BACKGROUND: In earlier studies we have shown that CCL5 activation of CCR5 induces the proliferation and survival of breast cancer cells in a mechanistic target of rapamycin (mTOR)-dependent manner and that this is in part due to CCR5-mediated increases in glycolytic metabolism. METHODS: Using the MDA-MB-231 triple negative human breast cancer cell line and mouse mammary tumor virus - polyomavirus middle T-antigen (MMTV-PyMT) mouse primary breast cancer cells, we conducted in vivo tumor transplant experiments to examine the effects of CCL5-CCR5 interactions in the context of regulating tumor metabolism...
December 8, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29205188/validity-and-clinical-impact-of-glucose-transporter-1-expression-in-colorectal-cancer
#11
Ghada M K GabAllah, Mona Salah El-Din Habib, Shimaa El-Shafey Soliman, Zienab A Kasemy, Suzy F Gohar
BACKGROUND/AIM: There is no doubt that colorectal cancer (CRC) poses a major threat to public health worldwide, and despite improvement in managements, prognosis still remains an irritating question with no definite answer. Being a fundamental player in cancer metabolism, glucose transporter 1 (GLUT1) could be utilized as a prognostic biomarker that could fuel development of new treatment strategies. The aim of this study was to assess the validity of GLUT1 expression as a prognostic biomarker and to elucidate to what extent it is immersed in poor clinical outcome among CRC patients...
November 2017: Saudi Journal of Gastroenterology: Official Journal of the Saudi Gastroenterology Association
https://www.readbyqxmd.com/read/29190880/enhancement-of-the-anti-tumor-activity-of-fgfr1-inhibition-in-squamous-cell-lung-cancer-by-targeting-downstream-signaling-involved-in-glucose-metabolism
#12
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...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29179722/aminoglucose-functionalized-redox-responsive-polymer-nanomicelles-for-overcoming-chemoresistance-in-lung-cancer-cells
#13
Yi Zhou, Huaying Wen, Liang Gu, Jijun Fu, Jiayi Guo, Lingran Du, Xiaoqin Zhou, Xiyong Yu, Yugang Huang, He Wang
BACKGROUND: Chemotherapeutic drugs used for cancer therapy frequently encounter multiple-drug resistance (MDR). Nanoscale carriers that can target tumors to accumulate and release drugs intracellularly have the greatest potential for overcoming MDR. Glucose transporter-1 (GLUT-1) and glutathione (GSH) overexpression in cancer cells was exploited to assemble aminoglucose (AG)-conjugated, redox-responsive nanomicelles from a single disulfide bond-bridged block polymer of polyethylene glycol and polylactic acid (AG-PEG-SS-PLA)...
November 28, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29177584/sirtuin-6-a-possible-therapeutic-target-for-type-2-diabetes
#14
REVIEW
Eun Ju Bae
Sirtuin 6 (SIRT6), one of the seven members of mammalian sirtuin family, localizes in the nucleus and primarily regulates chromatin signaling and genomic integrity. Recent studies established the critical role of SIRT6 in the pathophysiology of metabolic disease, as well as its roles in longevity and cancer. These roles that were determined by genetic studies include promoting pancreatic insulin secretion, inhibiting hepatic gluconeogenesis and triglyceride synthesis, and suppressing adiposity, suggesting that SIRT6 activators are promising molecules for treating obesity and diabetes...
November 25, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29171775/acute-high-fat-feeding-leads-to-disruptions-in-glucose-homeostasis-and-worsens-stroke-outcome
#15
Michael J Haley, Siddharth Krishnan, David Burrows, Leon de Hoog, Jamie Thakrar, Ingo Schiessl, Stuart M Allan, Catherine B Lawrence
Chronic consumption of diets high in fat leads to obesity and can negatively affect brain function. Rodents made obese by long-term maintenance on a high-fat diet have worse outcome after experimental stroke. High-fat consumption for only three days does not induce obesity but has rapid effects on the brain including memory impairment. However, the effect of brief periods of high-fat feeding or high-fat consumption in the absence of obesity on stroke is unknown. We therefore tested the effect of an acute period of high-fat feeding (three days) in C57B/6 mice on outcome after middle cerebral artery occlusion (MCAo)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29164763/tmem207-hinders-the-tumour-suppressor-function-of-wwox-in-oral-squamous-cell-carcinoma
#16
Katsuaki Bunai, Hiroshi Okubo, Kimika Hano, Keisuke Inoue, Yusuke Kito, Chiemi Saigo, Toshiyuki Shibata, Tamotsu Takeuchi
The WW domain-containing oxidoreductase (WWOX) functions as a tumour suppressor in oral carcinogenesis. As aberrant TMEM207 expression may lead to tumour progression by hampering the tumour suppressor function of WWOX in various cancers, we explored the expression and pathobiological properties of TMEM207, focusing on the WWOX-mediated regulation of the HIF-1α pathway in oral squamous cell carcinoma (OSCC). TMEM207 immunoreactivity was detected in 40 of 90 OSCC samples but not in neighbouring non-tumorous epithelial tissues...
November 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29164572/expression-of-glut-1-in-nasopharyngeal-carcinoma-and-its-clinical-significance
#17
J-C Zhou, J-J Zhang, W Zhang, Z-Y Ke, L-G Ma, M Liu
OBJECTIVE: To investigate the relationship between the expression of glucose transporter-1 (GLUT-1) and the clinicopathological features and prognosis of patients with nasopharyngeal carcinoma (NPC). PATIENTS AND METHODS: Sixty-three patients with NPC (the NPC group) and 24 patients with chronic nasopharyngitis (the control group) who were treated between December 2014 and February 2016 were selected for this study. Pathological nasopharyngeal tissues were collected from patients...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29137482/uphill-running-excessive-training-increases-gastrocnemius-glycogen-content-in-c57bl-6-mice
#18
G P Morais, A da Rocha, A P Pinto, L da C Oliveira, L G de Vicente, G N Ferreira, E C de Freitas, A Sr da Silva
The main aim of the present investigation was to verify the effects of three overtraining (OT) protocols performed in downhill (OTR/down), uphill (OTR/up) and without inclination (OTR) on the protein levels of Akt (Ser473), AMPKalpha (Thr172), PGC-1alpha, plasma membrane GLUT-1 and GLUT-4 as well as on the glycogen contents in mice gastrocnemius. A trained (TR) protocol was used as positive control. Rodents were divided into naive (N, sedentary mice), control (CT, sedentary mice submitted to the performance evaluations), TR, OTR/down, OTR/up and OTR groups...
November 10, 2017: Physiological Research
https://www.readbyqxmd.com/read/29132538/immunometabolic-profiling-of-t-cells-from-patients-with-relapsing-remitting-multiple-sclerosis-reveals-an-impairment-in-glycolysis-and-mitochondrial-respiration
#19
Claudia La Rocca, Fortunata Carbone, Veronica De Rosa, Alessandra Colamatteo, Mario Galgani, Francesco Perna, Roberta Lanzillo, Vincenzo Brescia Morra, Giuseppe Orefice, Ilaria Cerillo, Ciro Florio, Giorgia Teresa Maniscalco, Marco Salvetti, Diego Centonze, Antonio Uccelli, Salvatore Longobardi, Andrea Visconti, Giuseppe Matarese
BACKGROUND: Metabolic reprogramming is shaped to support specific cell functions since cellular metabolism controls the final outcome of immune response. Multiple sclerosis (MS) is an autoimmune disease resulting from loss of immune tolerance against central nervous system (CNS) myelin. Metabolic alterations of T cells occurring during MS are not yet well understood and their studies could have relevance in the comprehension of the pathogenetic events leading to loss of immune tolerance to self and to develop novel therapeutic strategies aimed at limiting MS progression...
December 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29128957/expression-of-glut-1-in-malignant-melanoma-and-melanocytic-nevi-an-immunohistochemical-study-of-400-cases
#20
Miroslav Důra, Kristýna Němejcová, Radek Jakša, Michaela Bártů, Ondřej Kodet, Ivana Tichá, Romana Michálková, Pavel Dundr
The glucose transporter-1 (Glut-1) is a cell membrane glycoprotein involved in glucose uptake. An increased expression of Glut-1 is an important cell adaptation mechanism against hypoxia. An upregulation of Glut-1 can be found in several types of malignant tumors, which are able to reprogram their metabolism from oxidative phosphorylation to aerobic glycolysis (Warburg effect). However, the data regarding melanocytic lesions is equivocal. We performed comprehensive immunohistochemical analysis of the Glut-1 expression in 225 malignant melanomas (MM) and 175 benign nevi...
November 11, 2017: Pathology Oncology Research: POR
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