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https://www.readbyqxmd.com/read/29147465/myricetin-possesses-potential-protective-effects-on-diabetic-cardiomyopathy-through-inhibiting-i%C3%AE%C2%BAb%C3%AE-nf%C3%AE%C2%BAb-and-enhancing-nrf2-ho-1
#1
Hai-Han Liao, Jin-Xiu Zhu, Hong Feng, Jian Ni, Nan Zhang, Si Chen, Huang-Jun Liu, Zheng Yang, Wei Deng, Qi-Zhu Tang
Diabetic cardiomyopathy (DCM) is associated with a greater risk of mortality in patients with diabetes mellitus. Currently, no specific treatment has been suggested for DCM treatment. This study demonstrated that myricetin (M) attenuated DCM-associated cardiac injury in mice subjected to streptozotocin (SZT) and in neonatal rat cardiomyocytes (NRCM) challenged with high glucose. In vivo investigation demonstrated 6 months of M treatment (200 mg/kg/d) significantly alleviated cardiac hypertrophy, apoptosis, and interstitial fibrosis...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29146657/a-randomised-controlled-trial-of-a-duodenal-jejunal-bypass-sleeve-device-endobarrier-compared-with-standard-medical-therapy-for-the-management-of-obese-subjects-with-type-2-diabetes-mellitus
#2
Michael Alan Glaysher, Aruchuna Mohanaruban, Christina Gabriele Prechtl, Anthony P Goldstone, Alexander Dimitri Miras, Joanne Lord, Navpreet Chhina, Emanuela Falaschetti, Nicholas Andrew Johnson, Werd Al-Najim, Claire Smith, Jia V Li, Mayank Patel, Ahmed R Ahmed, Michael Moore, Neil Poulter, Stephen Bloom, Ara Darzi, Carel Le Roux, James P Byrne, Julian P Teare
INTRODUCTION: The prevalence of obesity and obesity-related diseases, including type 2 diabetes mellitus (T2DM), is increasing. Exclusion of the foregut, as occurs in Roux-en-Y gastric bypass, has a key role in the metabolic improvements that occur following bariatric surgery, which are independent of weight loss. Endoscopically placed duodenal-jejunal bypass sleeve devices, such as the EndoBarrier (GI Dynamics, Lexington, Massachusetts, USA), have been designed to create an impermeable barrier between chyme exiting the stomach and the mucosa of the duodenum and proximal jejunum...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29145717/ctrp9-regulates-growth-differentiation-and-apoptosis-in-human-keratinocytes-through-tgf%C3%AE-1-p38-dependent-pathway
#3
Tae Woo Jung, Hyung Sub Park, Geum Hee Choi, Daehwan Kim, Taeseung Lee
Impairment of wound healing is a common problem in individuals with diabetes. Adiponectin, an adipocyte-derived cytokine, has many beneficial effects on metabolic disorders such as diabetes, obesity, hypertension, and dyslipidemia. C1q/TNF-Related Protein 9 (CTRP9), the closest paralog of adiponectin, has been reported to have beneficial effects on wound healing. In the current study, we demonstrate that CTRP9 regulates growth, differentiation, and apoptosis of HaCaT human keratinocytes. We found that CTRP9 augmented expression of transforming growth factor beta 1 (TGFβ1) by transcription factor activator protein 1 (AP-1) binding activity and phosphorylation of p38 in a dosedependent manner...
November 16, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/29145260/reversible-severe-fatty-liver-induced-by-capecitabine-a-case-report
#4
Yiyan Jiang, Qiancheng He, Suxia Li, Chang Shi, Xiaolei Yang
RATIONALE: Capecitabine (CAP) is a chemotherapeutic agent used to treat breast and gastrointestinal cancers. The most common adverse reactions of CAP primarily included gastrointestinal and dermatological effects. Whereas, the CAP-induced fatty liver had never been reported. PATIENT CONCERNS: In this study, a-69-year old female presented a history of hypertension with regulated blood pressure, whereas diabetes mellitus, hyperlipidemia, and hepatitis were excluded...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145148/honokiol-protects-pancreatic-%C3%AE-cell-against-high-glucose-and-intermittent-hypoxia-induced-injury-by-activating-nrf2-are-pathway-in-vitro-and-in-vivo
#5
Chen-Guang Li, Chang-Lin Ni, Min Yang, Yun-Zhao Tang, Zhu Li, Yan-Juan Zhu, Zhen-Huan Jiang, Bei Sun, Chun-Jun Li
Obstructive sleep apnea hypopnea syndrome (OSAHS) is associated with glucose intolerance, insulin resistance and type 2 diabetes mellitus (T2DM). Although several studies have revealed that intermittent hypoxia (IH) in OSAHS may further aggravate pancreatic β cell damage and promote the evolution of type 2 diabetes (T2DM) by increasing oxidative stress, the underlying mechanisms are unclear. Honokiol, a potent radical scavenger, has been demonstrated to ameliorate oxidative stress in many cases. The present study aimed to explore the potential mechanism of IH and diabetes synergistically damage and destruct the pancreatic β cell, examine the effects of honokiol on ameliorating pancreatic β cell injury in this context and explore the mechanism of such effects...
November 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29143063/translating-aetiological-insight-into-sustainable-management-of-type-2-diabetes
#6
REVIEW
Roy Taylor, Alison C Barnes
Using a low-energy diet as a tool, it has been possible to elucidate the sequence of pathophysiological changes that lead to the onset of type 2 diabetes. Negative energy balance in type 2 diabetes causes a profound fall in liver fat content resulting in normalisation of hepatic insulin sensitivity within 7 days. As the period of negative energy balance extends and liver fat levels fall to low normal, the rate of export of triacylglycerol from the liver falls. Consequent to this, the raised pancreas fat content falls and in early type 2 diabetes, normal first-phase insulin secretion becomes re-established with normal plasma glucose control...
November 15, 2017: Diabetologia
https://www.readbyqxmd.com/read/29142421/extract-of-bauhinia-vahlii-shows-antihyperglycemic-activity-reverses-oxidative-stress-and-protects-against-liver-damage-in-streptozotocin-induced-diabetic-rats
#7
Ahmed H Elbanna, Mohammed M Nooh, Engy A Mahrous, Amal E Khaleel, Taha S Elalfy
Background: Several studies have affirmed the effectiveness of some Bauhinia plants as antihyperglycemic agents. Objective: We investigated the possible effect of Bauhinia vahlii leaves extract in reducing hyperglycemia and reversing signs of organ damage associated with diabetes in streptozotocin (STZ) rat model. Materials and Methods: Both polar fraction of the B. vahlii leaves (defatted ethanolic extract [DEE]) and nonpolar fraction (n-hexane extract) were evaluated in vitro for α-glucosidase inhibition and 2,2-diphenyl-1-picrylhydrazyl radical scavenging potential...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29141886/pd-l1-genetic-overexpression-or-pharmacological-restoration-in-hematopoietic-stem-and-progenitor-cells-reverses-autoimmune-diabetes
#8
Moufida Ben Nasr, Sara Tezza, Francesca D'Addio, Chiara Mameli, Vera Usuelli, Anna Maestroni, Domenico Corradi, Silvana Belletti, Luca Albarello, Gabriella Becchi, Gian Paolo Fadini, Christian Schuetz, James Markmann, Clive Wasserfall, Leonard Zon, Gian Vincenzo Zuccotti, Paolo Fiorina
Immunologically based clinical trials performed thus far have failed to cure type 1 diabetes (T1D), in part because these approaches were nonspecific. Because the disease is driven by autoreactive CD4 T cells, which destroy β cells, transplantation of hematopoietic stem and progenitor cells (HSPCs) has been recently offered as a therapy for T1D. Our transcriptomic profiling of HSPCs revealed that these cells are deficient in programmed death ligand 1 (PD-L1), an important immune checkpoint, in the T1D nonobese diabetic (NOD) mouse model...
November 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29140417/fasting-plasma-glucose-in-young-adults-free-of-diabetes-is-associated-with-cognitive-function-in-midlife
#9
Irit Cohen-Manheim, Ronit Sinnreich, Glen M Doniger, Ely S Simon, Ronit Pinchas-Mizrachi, Jeremy D Kark
Background: Evidence for an association of fasting plasma glucose (FPG) with cognitive function in adults free of diabetes is scarce and based on middle-aged and older adults. We examined the association of FPG, measured at age 30, and of change in FPG from age 30 to 43, with cognitive function at age 50. Methods: 505 nondiabetic participants of the population-based Jerusalem Lipid Research Clinic (LRC) cohort study had baseline FPG, 2-h post-oral challenge plasma glucose (OGTT) and insulin determined at ages 28-32, and FPG and OGTT again at ages 41-46...
November 13, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/29138839/sumo1-ubc9%C3%A2-decreased-nox1-activity-inhibits-reactive-oxygen-species-generation-and-apoptosis-in-diabetic-retinopathy
#10
Jiaoli Hu, Pengcheng Xue, Xinbang Mao, Lin Xie, Guodong Li, Zhipeng You
Diabetic retinopathy (DR) is an increasing global health concern that causes vision loss and blindness. Reactive oxygen species (ROS) are considered to be a principal cause of DR. An important source of ROS is the oxidization of NADPH. In the present study, NADPH oxidase 1 (Nox1)‑expressing human retinal epithelial cell (HREC) lines were generated and infected with small ubiquitin‑like modifier 1 (SUMO1) and/or ubiquitin conjugating enzyme E2 I (UBC9) lentiviral pGMLV constructs. The viabilities, apoptotic capacities and ROS production levels of the HREC lines were quantified using Hoechst 33258, annexin V/propidium iodide and dichlorodihydrofluorescein diacetate assays, respectively...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138816/protective-effects-of-fucoidan-against-hyperoxic-lung-injury-via-the-erk-signaling-pathway
#11
Minghao Nie, Yan Wang, Yanhong Lu, Ying Yuan, Yingying Liu, Xiurong Li
High oxygen mechanical ventilation is widely used to treat various lung diseases; however, it may result in hyperoxia, which induces inflammation and lung injury. Fucoidan is an extract of the seaweed Fucus vesiculosus, which has previously been reported to exert effects against diabetic nephropathy. The present study is the first, to the best of our knowledge, to investigate the protective effects of fucoidan against hyperoxic lung injury. Balb/c mice were ventilated with 100% oxygen, with or without the atomization inhalation of fucoidan, for 36 h...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138670/simvastatin-ameliorates-diabetic-cardiomyopathy-by-attenuating-oxidative-stress-and-inflammation-in-rats
#12
Nawal M Al-Rasheed, Nouf M Al-Rasheed, Iman H Hasan, Maha A Al-Amin, Hanaa N Al-Ajmi, Raeesa A Mohamad, Ayman M Mahmoud
Simvastatin is a lipid-lowering agent used to treat hypercholesterolemia and to reduce the risk of heart disease. This study scrutinized the beneficial effects of simvastatin on experimental diabetic cardiomyopathy (DCM), pointing to the role of hyperglycemia-induced oxidative stress and inflammation. Diabetes was induced by intraperitoneal injection of streptozotocin and both control and diabetic rats received simvastatin for 90 days. Diabetic rats showed significant cardiac hypertrophy, body weight loss, hyperglycemia, and hyperlipidemia...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29136785/obestatin-prevents-h2o2-induced-damage-through-activation-of-trkb-in-rgc-5-cells
#13
Yang Liu, Yue-Xian Xing, Xin-Yuan Gao, Hong-Yu Kuang, Jing Zhang, Rong Liu
BACKGROUD: In the early stage of diabetic retinopathy, the damage of retinal ganglion cells already exists, promoting the development of the disease. The aim of this study was to investigate the protective role and the mechanisms of obestatin against H2O2-induced damage in RGC-5 cells. METHODS: RGC-5 cells were incubated with various concentrations of obestatin for 24h before H2O2 added. The survival rates of RGC-5 were measured by MTT assay. The expression of apoptosis-related proteins and TrkB pathway-related proteins were detected by Western blot analysis...
November 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136782/effect-of-human-umbilical-cord-blood-derived-mononuclear-cells-on-diabetic-nephropathy-in-rats
#14
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Shimaa A El-Berashy
Diabetic nephropathy (DN) is damage to the kidney which can lead to chronic renal failure, eventually requiring dialysis. Diabetes mellitus is the most common cause of adult kidney failure worldwide in the developed world. The current work was designed to elucidate the effect of mononuclear cells (MNCs) injection on reverse DN in rats exposed to streptozotocin (STZ) injection compared to metformin as a known hypoglycemic drug, 40 Male rats were divided equally into 4 groups; normal control group, diabetic control group, MNCs group were diabetic rats treated with MNCs (30×10(6) MNCs/rat once iv dose) in the tail vein of the rat, and metformin group were diabetic rats treated with metformin (100mg/kg orally daily dose) for four weeks...
November 8, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136770/magnesium-valproate-ameliorates-type-1-diabetes-and-cardiomyopathy-in-diabetic-rats-through-estrogen-receptors
#15
Samir Rabadiya, Shradhha Bhadada, Ashvin Dudhrejiya, Devendra Vaishnav, Bhoomika Patel
Estrogen is known to exhibit cardioprotective and antihyperlipidemic action. Valproic acid has been shown to upregulate estrogen receptors (ERs) in breast and prostate cancer tissues. No pharmacological evaluations for magnesium valproate (MgV) so far have been done for diabetic cadio-lipidemic complications. Based on the above context, current study was undertaken to evaluate the therapeutic effectiveness of MgV in cardiac complications associated with type-1 diabetes mellitus in rats wherein diabetes was induced by single tail vein injection of streptozotocin (STZ, 45mg/kg, IV) in female Sprague Dawley rats and treatment of MgV (210mg/kg, PO) was given for eight weeks to diabetic animals, after which, various biochemical and cardiac biomarkers, hypertrophic, hemodynamic and histological parameters along with immunohistochemistry of ERs in the left ventricle (LV) were estimated...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135052/enhanced-effect-of-human-mesenchymal-stem-cells-expressing-human-tnf-%C3%AE-r-fc-and-ho-1-gene-on-porcine-islet-xenotransplantation-in-humanized-mice
#16
Han-Sin Lee, Sanghyun Song, Du Yeon Shin, Geun-Soo Kim, Jong-Hyun Lee, Chan Woo Cho, Kyo Won Lee, Hyojun Park, Curie Ahn, Jaeseok Yang, Heung-Mo Yang, Jae Berm Park, Sung-Joo Kim
BACKGROUND: Porcine islet xenotransplantation is considered an attractive alternative treatment for type 1 diabetes mellitus. However, it is largely limited because of initial rejection due to Instant Blood-Mediated Inflammatory Reaction (IBMIR), oxidative stress, and inflammatory responses. Recently, soluble tumor necrosis factor-ɑ receptor type I (sTNF-αR) and heme oxygenase (HO)-1 genes (HO-1/sTNF-αR) have been shown to improve the viability and functionality of porcine islets after transplantation...
November 14, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/29132746/diabetes-mellitus-as-a-poor-mobilizer-condition
#17
REVIEW
Gian Paolo Fadini, John F DiPersio
Hematopoietic stem cell (HSC) transplantation in an effective and curative therapy for numerous hematological malignancies. Mobilization of HSCs from bone marrow (BM) to peripheral blood (PB) followed by apheresis is the gold standard for obtaining HSCs for both autologous and allogeneic stem cell transplantation. After administration of granulocyte-colony stimulating factor (G-CSF), up to 30% of patients fail to mobilize "optimal" numbers of HSCs required for engraftment. This review summarizes the current experimental and clinical evidence that diabetes mellitus is a risk factor for poor mobilization...
November 8, 2017: Blood Reviews
https://www.readbyqxmd.com/read/29129786/mechanisms-by-which-a-very-low-calorie-diet-reverses-hyperglycemia-in-a-rat-model-of-type-2-diabetes
#18
Rachel J Perry, Liang Peng, Gary W Cline, Yongliang Wang, Aviva Rabin-Court, Joongyu D Song, Dongyan Zhang, Xian-Man Zhang, Yuichi Nozaki, Sylvie Dufour, Kitt Falk Petersen, Gerald I Shulman
Caloric restriction rapidly reverses type 2 diabetes (T2D), but the mechanism(s) of this reversal are poorly understood. Here we show that 3 days of a very-low-calorie diet (VLCD, one-quarter their typical intake) lowered plasma glucose and insulin concentrations in a rat model of T2D without altering body weight. The lower plasma glucose was associated with a 30% reduction in hepatic glucose production resulting from suppression of both gluconeogenesis from pyruvate carboxylase (VPC), explained by a reduction in hepatic acetyl-CoA content, and net hepatic glycogenolysis...
November 8, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/29128638/ulk1-regulated-autophagy-a-mechanism-in-cellular-protection-for-aldh2-against-hyperglycemia
#19
Min Liu, Songhe Lu, Wei He, Le Zhang, Ying Ma, Ping Lv, Meijuan Ma, Wenjun Yu, Jiaxing Wang, Mingming Zhang, Yingmei Zhang, Yan Li
Mitochondrial aldehyde dehydrogenase 2 (ALDH2), an important enzyme in the elimination of toxic aldehydes, is involved in cardioprotection against diabetes mellitus. This study was designed to examine the mechanism behind ALDH2-offered protection against high glucose exposure with a focus on autophagy. H9C2 cells were cultured with normal or high glucose medium in the presence or absence of the ALDH2 agonist Alda-1. GFP-LC3 puncta and immunofluorescence were employed to assess autophagosome formation. Western blotting was applied to evaluate autophagy protein markers Atg5, LC3, p62, ULK1 phosphorylation and ALDH2...
November 8, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29126873/dual-role-of-protein-tyrosine-phosphatase-1b-in-the-progression-and-reversion-of-non-alcoholic-steatohepatitis
#20
Águeda González-Rodríguez, M Pilar Valdecantos, Patricia Rada, Annalisa Addante, Inés Barahona, Esther Rey, Virginia Pardo, Laura Ruiz, Laura M Laiglesia, María J Moreno-Aliaga, Carmelo García-Monzón, Aránzazu Sánchez, Ángela M Valverde
OBJECTIVES: Non-alcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in Western countries. Protein tyrosine phosphatase 1B (PTP1B), a negative modulator of insulin and cytokine signaling, is a therapeutic target for type 2 diabetes and obesity. We investigated the impact of PTP1B deficiency during NAFLD, particularly in non-alcoholic steatohepatitis (NASH). METHODS: NASH features were evaluated in livers from wild-type (PTP1BWT) and PTP1B-deficient (PTP1BKO) mice fed methionine/choline-deficient diet (MCD) for 8 weeks...
October 31, 2017: Molecular Metabolism
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