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Glut 5

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https://www.readbyqxmd.com/read/28205432/fluorescent-hexose-conjugates-establish-stringent-stereochemical-requirement-by-glut5-for-recognition-and-transport-of-monosaccharides
#1
Olivier-Mohamad Soueidan, Thomas W Scully, Jatinder Kaur, Rashmi Panigrahi, Alexandr Belovodskiy, Victor Do, Carson D Matier, M Joanne Lemieux, Frank Wuest, Chris Cheeseman, F G West
The specificity characteristics of transporters can be exploited for the development of novel diagnostic therapeutic probes. The facilitated hexose transporter family (GLUTs) has a distinct set of preferences for monosaccharide substrates, and while some are expressed ubiquitously (e.g., GLUT1), others are quite tissue specific (e.g., GLUT5, which is overexpressed in some breast cancer tissues). While these differences have enabled the development of new molecular probes based upon hexose- and tissue-selective uptake, substrate design for compounds targeting these GLUT transporters has been encumbered by a limited understanding of the molecular interactions at play in hexose binding and transport...
February 16, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28192456/the-flavanone-homoeriodictyol-increases-sglt-1-mediated-glucose-uptake-but-decreases-serotonin-release-in-differentiated-caco-2-cells
#2
Barbara Lieder, Julia Katharina Hoi, Ann-Katrin Holik, Katrin Geissler, Joachim Hans, Barbara Friedl, Kathrin Liszt, Gerhard E Krammer, Jakob P Ley, Veronika Somoza
Flavanoids and related polyphenols, among them hesperitin, have been shown to modulate cellular glucose transport by targeting SGLT-1 and GLUT-2 transport proteins. We aimed to investigate whether homoeriodictyol, which is structurally related to hesperitin, affects glucose uptake in differentiated Caco-2 cells as a model for the intestinal barrier. The results revealed that, in contrast to other polyphenols, the flavanon homoeriodictyol promotes glucose uptake by 29.0 ± 3.83% at a concentration of 100 μM...
2017: PloS One
https://www.readbyqxmd.com/read/28173667/-expression-of-hypoxia-inducible-factor-1%C3%AE-glucose-transporter-1-and-lactate-dehydrogenase-5-in-colorectal-cancer-and-clinicopathologic-significance
#3
T Y Yang, L S Hao, D Z Guo
Objective: To investigate the expression and clinicopathological significance of hypoxia-inducible factor 1 alpha (HIF-1α), glucose transporter 1(GLUT-1) and lactate dehydrogenase(LDH)-5 in colorectal cancer. Methods: The expression levels of HIF-1α, GLUT-1 and LDH-5 were detected by immunohistochemical staining in 142 specimens of human carcinoma in comparison with adjacent normal tissues. Results: The expression levels of HIF-1α(78.2%, 111/142), GLUT-1(75.4%, 107/142) and LDH-5(68.3%, 97/142) were higher in tumor tissues than in adjacent normal tissues(14...
February 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28155991/in-vitro-evaluation-of-enteric-coated-insulin-tablets-containing-absorption-enhancer-and-enzyme-inhibitor
#4
Chun Y Wong, Jorge Martinez, Revathy Carnagarin, Crispin R Dass
OBJECTIVES: The aim of this study was to develop an enteric coated insulin tablet formulation using polymers, absorption enhancer and enzyme inhibitor, which protect the tablets in acidic pH and enhance systemic bioavailability. METHODS: In this study, the influence of coating by cellulose acetate hydrogen phthalate solution and chosen excipients on Glut-4 transporter translocation in C2C12 skeletal muscle cells was examined. Following the determination of optimum number of coating layers, two dissolution buffers such as 0...
March 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28125276/molecular-factors-involved-in-the-hypolipidemic-and-insulin-sensitizing-effects-of-a-ginger-zingiber-officinale-roscoe-extract-in-rats-fed-a-high-fat-diet
#5
Natalia de Las Heras, María Valero-Muñoz, Beatriz Martín-Fernández, Sandra Ballesteros, Antonio López-Farré, Baltasar Ruiz-Roso, Vicente Lahera
Hypolipidemic and hypoglycemic properties of ginger in animal models have been reported. However, information related to the mechanisms and factors involved in the metabolic effects of ginger at a hepatic level are limited. The aim of the present study was to investigate molecular factors involved in the hypoglycemic and hypolipidemic effects of a hydroethanolic ginger extract (GE) in the liver of rats fed a high-fat diet (HFD). The study was conducted in male Wistar rats divided into the following 3 groups: (i) Rats fed a standard diet (3...
February 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28121621/the-expression-of-the-bpifb4-and-cxcr4-associates-with-sustained-health-in-long-living-individuals-from-cilento-italy
#6
Gaia Spinetti, Elena Sangalli, Claudia Specchia, Francesco Villa, Chiara Spinelli, Rita Pipolo, Albino Carrizzo, Simona Greco, Christine Voellenkle, Carmine Vecchione, Paolo Madeddu, Fabio Martelli, Annibale Alessandro Puca
: The study of the health status in long-living individuals (LLIs) may help identifying health-span and life-span determinants. BPI-Fold-Containing-Family-B-Member-4 (BPIFB4) protein is higher in healthy vs. non-healthy (frail) LLIs serum and its longevity-associated variant forced expression improves cardiovascular outcomes in ischemia mice models. Thus, we tested the association of BPIFB4 and ischemia-responding HIF-1α pathway components (i.e. CXCR4, AK3, ALDO-C, ADM, VEGF-A, GLUT-1 and miR-210) with human life-span and health-span by analyzing mRNA expression in circulating mononuclear cells (MNCs) of LLIs (N=14 healthy; N=31 frail) and young controls (N=63)...
January 22, 2017: Aging
https://www.readbyqxmd.com/read/28111788/benign-vascular-lesions-of-the-lips-diagnostic-approach
#7
Priscila Lie Tobouti, Isabel Olegário, Suzana Cantanhede Orsini Machado de Sousa
BACKGROUND: Although not rare, vascular lesions occurring in the lips sometimes poses a difficult in properly diagnosing and handling them. In the present study vascular lesions occurring in the lips were retrieved from an Oral Pathology Service. METHODS: Among 5,600 biopsies, 131 cases were found. The following diagnoses were attributed: caliber-persistent artery, infantile hemangioma, vascular malformation, venous lake, thrombus, papillary endothelial hyperplasia, and pyogenic granuloma...
January 23, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28098405/shielding-engineered-islets-with-mesenchymal-stem-cells-enhance-survival-under-hypoxia
#8
Bhawna Chandravanshi, Ramesh Ramchandra Bhonde
In the present study we focused on the improvisation of islet survival in hypoxia.The Islet like cell aggregates (ICAs) derived from wharton's jelly mesenchymal stem cells (WJ MSC) were cultured with and without WJ MSC for 48h in hypoxia and normoxia and tested for their direct trophic effect on β cell survival. The WJ MSCs themselves secreted insulin upon glucose challenge and expressed the pancreatic markers at both transcription and translational level (C-peptide, Insulin,Glucagon and Glut 2). Direct contact of MSCs with ICAs facilitated highest viability under hypoxia as evidenced by fluorescein diacetate/propidium iodide and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay...
January 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28068944/the-acceleration-of-glucose-accumulation-in-renal-cell-carcinoma-assessed-by-fdg-pet-ct-demonstrated-acquisition-of-resistance-to-tyrosine-kinase-inhibitor-therapy
#9
Noboru Nakaigawa, Keiichi Kondo, Daiki Ueno, Kazuhiro Namura, Kazuhide Makiyama, Kazuki Kobayashi, Koichi Shioi, Ichiro Ikeda, Takeshi Kishida, Tomohiro Kaneta, Ryogo Minamimoto, Ukihide Tateishi, Tomio Inoue, Masahiro Yao
BACKGROUND: Tyrosine-kinase inhibitor (TKI) targeting angiogenesis improves the prognosis of patients with metastatic renal cell carcinoma (RCC), but its effect is temporary. In order to understand the mechanism by which RCC acquires resistance to TKI, we investigated the change of glucose accumulation in RCC by FDG PET/CT when they demonstrated progression disease (PD) against TKI. METHODS: We monitored the FDG accumulation in RCC of 38 patients treated with TKI by 162 PET/CT sequentially until they were judged to demonstrate PD...
January 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28065232/establishment-of-an-alloxan-induced-diabetes-model-in-daphnia-pulex
#10
An-Min Hu, Tao Zhu, Ye Jiang, Li Dong, Hong Gao, Gui-Zhi DU
Objective To establish a Daphnia model of alloxan-induced diabetes. Methods Daphnia were exposed to three different concentrations of alloxan (3, 5, and 10 mmol/L) for 30 minutes. Blood glucose and survival rate were recorded for 72 hours after alloxan insult. Sequence analysis and phylogenetic inference for glucose transporters (GLUT) were clustered with the maximum-likelihood method. Using reverse transcription and quantitative polymerase chain reaction techniques, we investigated the transcriptional changes of GLUT at 12 hours after alloxan (5 mmol/L) exposure...
December 20, 2016: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28052033/glut-1-overexpression-as-an-unfavorable-prognostic-biomarker-in-patients-with-colorectal-cancer
#11
Jing Yang, Jing Wen, Tian Tian, Zhongsheng Lu, Yao Wang, Zikai Wang, Xiangdong Wang, Yunsheng Yang
BACKGROUND: Glucose transporter-1 (GLUT-1) exhibits altered expression in colorectal cancer (CRC). The aim of this study was to explore the association between GLUT-1 and survival conditions, as well as clinical features in CRC by meta-analysis. MATERIALS AND METHODS: Relevant studies were searched through predefined strategies, hazard ratios (HRs), odds ratios (ORs), and their 95% confidence intervals (CIs) were used as effective measures. RESULTS: A total of 14 studies with 2,077 patients were included in this meta-analysis...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28034722/specific-regions-of-the-brain-are-capable-of-fructose-metabolism
#12
Sarah A Oppelt, Wanming Zhang, Dean R Tolan
High fructose consumption in the Western diet correlates with disease states such as obesity and metabolic syndrome complications, including type II diabetes, chronic kidney disease, and non-alcoholic fatty acid liver disease. Liver and kidneys are responsible for metabolism of 40-60% of ingested fructose, while the physiological fate of the remaining fructose remains poorly understood. The primary metabolic pathway for fructose includes the fructose-transporting solute-like carrier transport proteins 2a (SLC2a or GLUT), including GLUT5 and GLUT9, ketohexokinase (KHK), and aldolase...
February 15, 2017: Brain Research
https://www.readbyqxmd.com/read/27922941/exercise-training-ameliorates-glucosamine-induced-insulin-resistance-in-ovariectomized-rats
#13
Chung-Hwan Chen, Tsang-Hai Huang, Tsung-Lin Cheng, Chi-Fen Chang, Chau-Zen Wang, Meng-Hsing Wu, Lin Kang
OBJECTIVE: Glucosamine (GlcN), which has been reported to induce insulin resistance (IR), is a popular nutritional supplement used to treat osteoarthritis in menopausal women. We previously demonstrated that GlcN treatment caused IR in ovariectomized rats by reducing the expression of glucose transport protein subtype 4 (GLUT-4) in skeletal muscle. In the present study, we hypothesized that endurance exercise training can reverse GlcN-induced IR. METHODS: Fifty female rats were randomly divided into five groups with 10 rats in each group: (1) sham-operated group; (2) sham-operated group with GlcN treatment for 14 days; (3) ovariectomy (OVX) group; (4) OVX with GlcN treatment; and (5) OVX with GlcN treatment followed by exercise training (running program) for 8 weeks...
December 5, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27878249/ets-1-a-potential-target-of-glycolysis-for-metabolic-therapy-by-regulating-glucose-metabolism-in-pancreatic-cancer
#14
Xiu Zhang, Dan Wu, Mohanad Aldarouish, Xiaodong Yin, Chunyan Li, Cailian Wang
Pancreatic cancer is one of the most lethal malignancies of all types of cancer due to lack of early symptoms and its resistance to conventional therapy. In our previous study, we have shown that v‑ets erythroblastosis virus E26 oncogene homolog‑1 (ETS‑1) promote cell migration and invasion in pancreatic cancer cells. However, the function of ETS‑1 in regulation of glycolysis and autophagy during progression of pancreatic cancer has not been defined yet. In this study, we sought to identify the potential role for silencing ETS‑1 in reducing the expression of glucose transporter‑1 (GLUT‑1) to disturb glycolysis through alteration of 'Warburg effect', by which could result in AMP‑activated protein kinase (AMPK) activation, autophagy induction and reduction of cell viability...
January 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/27828852/prognostic-value-of-glut-1-expression-in-oral-squamous-cell-carcinoma-a-prisma-compliant-meta-analysis
#15
Chen-Xi Li, Jia-Lin Sun, Zhong-Cheng Gong, Zhao-Quan Lin, Hui Liu
BACKGROUND: A variety of studies have evaluated the correlation between glucose transporter-1 (GLUT-1) expression and prognosis of oral squamous cell carcinoma (OSCC); however, the results were inconsistent and inconclusive. A meta-analysis was performed to assess the prognostic significance of GLUT-1 in OSCC. METHODS: Electronic databases of PubMed, Embase, and Web of Science were searched for relevant studies. The last search was updated on July 2016. Odds ratio (OR) and 95% confidence interval (CI) were pooled to evaluate the relationship between GLUT-1 and clinical features and hazard ratio (HR) and 95% CI were combined to measure the effect of GLUT-1 on overall survival (OS)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27816720/multivacuolated-mucin-filled-cells-a-unique-cell-characteristic-of-plexiform-neurofibroma-a-report-of-11-cases
#16
Michael Michal, Dmitry V Kazakov, Ladislav Hadravský, Květoslava Michalová, Boris Rychlý, Michal Michal
The authors present 11 cases of plexiform neurofibroma (PN) that featured a very characteristic type of cell appearing as multivacuolated mucin-filled cells (MMFC). The 11 cases were obtained after reviewing 109 cases of PN. Six out of 10 patients showed clinical features of neurofibromatosis type 1 (NF1). The size of PN ranged from 0.8 cm to 11.5 cm in the largest dimension. The lesions represented classical PN in all cases with myxoid, hypocellular stroma. The MMFC were found within the most myxoid tumorous nodules and were haphazardly located, typically featuring a variably sized, multivacuolated cytoplasm divided by a fine septa with a small polygonal nucleus on one side, which was often compressed or slightly indented by the cytoplasmic mucous substances...
November 2, 2016: Human Pathology
https://www.readbyqxmd.com/read/27771652/fanconi-bickel-syndrome-with-hypercalciuria-due-to-glut-2-mutation
#17
Ruchi Shah, Sudha Rao, Ruchi Parikh, Tahir Sophia, Hussain Khalid
BACKGROUND: Fanconi Bickel Syndrome is a rare, autosomal recessive, disorder of carbohydrate metabolism. Presence of hypercalciuria is rare. CASE CHARACTERISTICS: 4.5-years-old boy presented with growth failure, hepatomegaly, rickets, fasting hypoglycemia with postprandial hyperglycemia, fanconi syndrome and hypercalciuria. OUTCOME: A rare mutation in GLUT-2 gene suggestive of Fanconi Bickel Syndrome. MESSAGE: Fanconi Bickel Syndrome may present with hypercalciuria with proximal renal tubulopathy along with fasting hypoglycemia and postprandial hyperglycemia...
September 8, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27753987/sy-10-1-renal-glucose-handling-and-sglt2
#18
Resham Poudel
The kidneys maintain glucose homeostasis through its utilization, gluconeogenesis, and reabsorption. Glucose is freely filtered and reabsorbed in order to retain energy essential between meals. The amount of glucose reabsorbed by the kidneys is equivalent to the amount entering the filtration system. With a daily glomerular filtration rate of 180 L, approximately 180 g (180 L/day × 100 mg/dL) of glucose must be reabsorbed each day to maintain an average fasting plasma glucose concentration of 5.6 mmol/L (100 mg/dL)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27735783/abundance-in-proteins-expressed-after-functional-electrical-stimulation-cycling-or-arm-cycling-ergometry-training-in-persons-with-chronic-spinal-cord-injury
#19
Ashraf S Gorgey, Zachary A Graham, William A Bauman, Christopher Cardozo, David R Gater
STUDY DESIGN: Longitudinal design. OBJECTIVES: The study determined the effects of two forms of exercise training on the abundance of two proteins, (glucose transporter-4 [GLUT-4], adenosine monophosphate kinase [AMPK]) involved in glucose utilization and the transcriptional coactivator that regulates the genes involved in energy metabolism and mitochondrial biogenesis (peroxisome proliferator-activated receptor (PPAR) coactivator 1 alpha [PGC-1α]), in muscles in men with chronic motor-complete spinal cord injury (SCI)...
October 13, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27725859/a-mixture-of-apple-pomace-and-rosemary-extract-improves-fructose-consumption-induced-insulin-resistance-in-rats-modulation-of-sarcolemmal-cd36-and-glucose-transporter-4
#20
Peng Ma, Ling Yao, Xuemei Lin, Tieguang Gu, Xianglu Rong, Robert Batey, Johji Yamahara, Jianwei Wang, Yuhao Li
Apple pomace is a by-product of the processing of apple for juice, cider or wine preparation. Rosemary is a herb commonly used as spice and flavoring agent in food processing. Evidence suggests that both apple pomace and rosemary have rich bioactive molecules with numerous metabolic effects. To provide more information for using apple pomace and rosemary as functional foods for management of metabolism-associated disorders, the present study investigated the insulin-sensitizing effect of a mixture of apple pomace and rosemary extract (AR)...
2016: American Journal of Translational Research
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