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Yang Chen, Lei Wang, Ashley L Pitzer, Xiang Li, Pin-Lan Li, Yang Zhang
: Recent studies indicate that inflammasomes serve as intracellular machinery to initiate classical cytokine-mediated inflammatory responses and play a crucial role in the pathogenesis of cardiovascular diseases. However, whether or not the activation of endothelial inflammasomes directly causes cell dysfunction or tissue injury without recruitment of inflammatory cells is unknown. We explored the role of endothelial cell inflammasome activation in mediating tight junction disruption, a hallmark event of endothelial barrier dysfunction leading to endothelial hyperpermeability in diabetes...
October 25, 2016: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
Susmita Barman, Krishnapura Srinivasan
The cause and effect relationship between diabetes and zinc is complex and unclear. This animal study has examined the potential of zinc supplementation in beneficial modulating hyperglycemia, insulin secretion, and metabolic abnormalities associated with diabetes. The study was conducted in streptozotocin-induced diabetic rats. Groups of hyperglycemic rats were subjected to dietary interventions for 6 weeks with zinc supplementation (5 times and 10 times the normal level). Supplemental-zinc-fed diabetic groups showed significant control on hyperglycemia and hypoinsulinemia...
August 7, 2016: Canadian Journal of Physiology and Pharmacology
Qian Zhang, Xiaofang Sun, Xinhua Xiao, Jia Zheng, Ming Li, Miao Yu, Fan Ping, Zhixin Wang, Cuijuan Qi, Tong Wang, Xiaojing Wang
An adverse intrauterine environment, induced by a chromium-restricted diet, is a potential cause of metabolic disease in adult life. Up to now, the relative mechanism has not been clear. C57BL female mice were time-mated and fed either a control diet (CD), or a chromium-restricted diet (CR) throughout pregnancy and the lactation period. After weaning, some offspring continued the diet diagram (CD-CD or CR-CR), while other offspring were transferred to another diet diagram (CD-CR or CR-CD). At 32 weeks of age, glucose metabolism parameters were measured, and the liver from CR-CD group and CD-CD group was analyzed using a gene array...
October 22, 2016: International Journal of Molecular Sciences
Maryam Zarkesh, Golaleh Asghari, Parisa Amiri, Nima Hosseinzadeh, Mehdi Hedayati, Arash Ghanbarian, Fereidoun Azizi
BACKGROUND: Since genetic and most environmental factors shape the context of families, some studies have been initiated to investigate the role of familial relationships in metabolic syndrome (MetS). OBJECTIVES: To estimate the familial aggregation of MetS and its components by identifying both case and control probands among Tehranian adults with different socio-behavioral and reproductive characteristics. PATIENTS AND METHODS: This case-controlled/family-based study was conducted on 1,777 families (635 case probands) who participated in the Tehran Lipid and Glucose Study (TLGS)...
August 2016: Iranian Red Crescent Medical Journal
Takeshi Osonoi, Miyoko Saito, Natsuyo Hariya, Moritaka Goto, Kazuki Mochizuki
Metformin, α-glucosidase inhibitors (α-GIs), and dipeptidyl peptidase 4 inhibitors (DPP-4Is) reduce hyperglycemia without excessive insulin secretion, and enhance postprandial plasma concentration of glucagon-like peptide-1 (GLP-1) in type-2 diabetes mellitus (T2DM) patients. We assessed add-on therapeutic effects of DPP-4I anagliptin in Japanese T2DM patients treated with metformin, an α-GI miglitol, or both drugs on postprandial responses of GLP-1 and glucose-dependent insulinotropic polypeptide (GIP), and on plasma concentration of the appetite-suppressing hormone leptin...
October 22, 2016: Peptides
Najeff Waseem, Po-Hung Chen
Hypoxic hepatitis (HH), also known as ischemic hepatitis or shock liver, is characterized by a massive, rapid rise in serum aminotransferases resulting from reduced oxygen delivery to the liver. The most common predisposing condition is cardiac failure, followed by circulatory failure as occurs in septic shock and respiratory failure. HH does, however, occur in the absence of a documented hypotensive event or shock state in 50% of patients. In intensive care units, the incidence of HH is near 2.5%, but has been reported as high as 10% in some studies...
September 28, 2016: Journal of Clinical and Translational Hepatology
Felipe Welter Langer, Gustavo Suertegaray, Daiane Dos Santos, Giordano Rafael Tronco Alves, Carlos Jesus Pereira Haygert
No abstract text is available yet for this article.
July 2016: Radiologia Brasileira
Clive J Petry, Nuria Sanz Marcos, Gracielle Pimentel, M Geoffrey Hayes, Michael Nodzenski, Denise M Scholtens, Ieuan A Hughes, Carlo L Acerini, Ken K Ong, William L Lowe, David B Dunger
In addition to maternal genes and environmental exposures, variation in fetal imprinted genes could also affect maternal blood pressure during pregnancy. Our objective was to test the associations between polymorphic variants in 16 imprinted genes and maternal mean arterial blood pressures in 1160 DNA trios from 2 established birth cohorts (the Cambridge Baby Growth and Wellbeing Studies) and seek replication in 1367 Hyperglycemia and Adverse Pregnancy Outcome Study participants. Significant univariate associations, all independent of fetal sex, were observed in the Cambridge cohorts, including FAM99A rs1489945 transmitted from the mother (P=2×10(-)(4)), DLK1 rs10139403 (mother; P=9×10(-)(4)), DLK1 rs12147008 (mother; P=1×10(-)(3)), H19 rs217222 (father; P=1×10(-)(3)), SNRPN rs1453556 (father; P=1×10(-)(3)), IGF2 rs6356 (father; P=1×10(-)(3)), and NNAT rs6066671 (father; P=1×10(-)(3))...
October 24, 2016: Hypertension
Dilip Sharma, Jitendra Narain Singh, Shyam S Sharma
Mechanisms and pathways involving in diabetic neuropathy are still not fully understood but can be unified by the process of overproduction of reactive oxygen species (ROS) such as superoxide, endoplasmic reticulum (ER) stress, downstream intracellular signaling pathways and their modulation. Susceptibility of dorsal root ganglion (DRG) to internal/external hyperglycemic environment stress contributes to the pathogenesis and progression of diabetic neuropathy. ER stress leads to abnormal ion channel function, gene expression, transcriptional regulation, metabolism and protein folding...
October 21, 2016: Neuroscience Letters
Chaid Schwarz, Benjamin T Aldrich, Kimberlee A Burckart, Gregory A Schmidt, M Bridget Zimmerman, Cynthia R Reed, Mark A Greiner, Edward A Sander
Descemet membrane endothelial keratoplasty (DMEK) is an increasingly popular surgical procedure for treating ocular diseases that require a corneal transplant. Previous studies have found that tissue tearing during surgical preparation is more likely elevated in eyes from donors with a history of diabetes mellitus. To quantify these potential differences, we established an experimental technique for quantifying the force required to separate the endothelium-Descemet membrane complex (EDM) from stroma in human donor corneal tissue, and we assessed differences in adhesion strength between diabetic and non-diabetic donor corneas...
October 21, 2016: Experimental Eye Research
Dennis Grech, Zhifeng Li, Patrick Morcillo, Evelyne Kalyoussef, David D Kim, Alex Bekker, Luis Ulloa
Neuronal stimulation improves physiological responses to infection and trauma, but the clinical potential of this strategy is unknown. We hypothesized that transdermal neural stimulation through low-frequency electroacupuncture might control the immune responses to surgical trauma and expedite the postoperative recovery. However, the efficiency of electroacupuncture is questioned due to the placebo effect. Here, electroacupuncture was performed on anesthetized patients to avoid any placebo. This is a prospective double-blinded pilot trial to determine whether intraoperative electroacupuncture on anesthetized patients improves postoperative recovery...
October 2016: Journal of Acupuncture and Meridian Studies
Markolf Hanefeld, Denis Raccah, Louis Monnier
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disease associated with hyperglycemia, which can lead to serious vascular complications. Current treatment guidelines place particular emphasis on personalization of therapy. Within this guidance, the use of various second-line therapies, including glucagon-like peptide-1 receptor agonists (GLP-1 RAs), is recommended under certain circumstances. Areas covered: Factors influencing glucose homeostasis, including gastric emptying and the associated cardiovascular (CV) risk when homeostasis is not maintained, are reviewed...
October 25, 2016: Expert Opinion on Drug Metabolism & Toxicology
Y-F Huang, Y Zhang, C-X Liu, J Huang, G-H Ding
OBJECTIVE: Hyperglycemia induces apoptosis of renal tubular epithelial cells and contributes to tubular injury in diabetic nephropathy. Angiotensin-converting enzyme 2 (ACE2) is known to protect against diabetic kidney injury. However, the mechanism for the dysregulation of ACE2 expression in diabetic nephropathy is unclear. MATERIALS AND METHODS: Bioinformatic analysis and luciferase reporter assay were done to identify ACE2-targeting microRNAs. Gain- and loss-of-function experiments were performed to determine the biological roles of the ACE2-targeting microRNAs in high glucose-induced damage to renal tubular epithelial cells...
October 2016: European Review for Medical and Pharmacological Sciences
Soo Im Chung, Su Noh Ryu, Mi Young Kang
The effect of germinated Superhongmi, a reddish brown pigmented rice cultivar, on the glucose profile and bone turnover in the postmenopausal-like model of ovariectomized rats was determined. The ovariectomized Sprague-Dawley rats were randomly divided into three dietary groups (n = 10): normal control diet (NC) and normal diet supplemented with non-germinated Superhongmi (SH) or germinated Superhongmi (GSH) rice powder. After eight weeks, the SH and GSH groups showed significantly lower body weight, glucose and insulin concentrations, levels of bone resorption markers and higher glycogen and 17-β-estradiol contents than the NC group...
October 21, 2016: Nutrients
Ryoko Shimada, Miho Fujita, Masahiro Yuasa, Hiromi Sawamura, Toshiaki Watanabe, Ayaka Nakashima, Kengo Suzuki
In the present study, the effects of Euglena and paramylon on hyperglycemia were examined in Otsuka Long-Evans Tokushima fatty (OLETF; type 2 diabetes mellitus model) rats. OLETF rats were fed an AIN-93 M diet containing cellulose, Euglena, or paramylon for 10 weeks. Long-Evans Tokushima Otsuka (LETO) rats were used as nondiabetic controls. An oral glucose-tolerance test (OGTT) was performed at 0 and 10 weeks. OLETF control rats were obese because of bulimia and showed abdominal fat accumulation and hyperglycemia...
October 24, 2016: Food & Function
Damilola D Adingupu, Suvi E Heinonen, Anne-Christine Andréasson, Mikael Brusberg, Andrea Ahnmark, Margareta Behrendt, Brendan Leighton, Ann-Cathrine Jönsson-Rylander
Aim. Models combining diabetes and atherosclerosis are important in evaluating the cardiovascular (CV) effects and safety of antidiabetes drugs in the development of treatments targeting CV complications. Our aim was to evaluate if crossing the heterozygous glucokinase knockout mouse (GK(+/-)) and hyperlipidemic mouse deficient in apolipoprotein E (ApoE(-/-)) will generate a disease model exhibiting a diabetic and macrovascular phenotype. Methods. The effects of defective glucokinase on the glucose metabolism and on the progression and regression of atherosclerosis on high-fat diets were studied in both genders of GK(+/-)ApoE(-/-) and ApoE(-/-) mice...
2016: Journal of Diabetes Research
Hui-Li Tan, Kok-Gan Chan, Priyia Pusparajah, Acharaporn Duangjai, Surasak Saokaew, Tahir Mehmood Khan, Learn-Han Lee, Bey-Hing Goh
Cardiovascular diseases (CVDs) are among the leading causes of morbidity and mortality in both the developed and developing world. Rhizoma coptidis (RC), known as Huang Lian in China, is the dried rhizome of medicinal plants from the family Ranunculaceae, such as Coptis chinensis Franch, C. deltoidea C.Y. Cheng et Hsiao, and C. teeta Wall which has been used by Chinese medicinal physicians for more than 2000 years. In China, RC is a common component in traditional medicines used to treat CVD associated problems including obesity, diabetes mellitus, hyperlipidemia, hyperglycemia and disorders of lipid metabolism...
2016: Frontiers in Pharmacology
Julien Wils, Julie Favre, Jérémy Bellien
Diabetes induces a decrease in the number and function of different pro-angiogenic cells types generically designated as putative endothelial progenitor cells (EPC), which encompasses cells from myeloid origin that act in a paracrine fashion to promote angiogenesis and putative "true" EPC that contribute to endothelial replacement. This not only compromises neovasculogenesis in ischemic tissues but also impairs, at an early stage, the reendotheliziation process at sites of injury, contributing to the development of endothelial dysfunction and cardiovascular complications...
October 20, 2016: Pharmacology & Therapeutics
Kumiko Kitamura, Yusuke Takamura, Taku Iwamoto, Mitsuru Nomura, Hideaki Iwasaki, Motoyasu Ohdera, Michiaki Murakoshi, Keikichi Sugiyama, Kazuki Matsuyama, Yasuko Manabe, Nobuharu L Fujii, Tohru Fushiki
Skeletal muscle is an important organ for controlling the development of type 2 diabetes. We discovered Panax notoginseng roots as a candidate to improve hyperglycemia through in vitro muscle cells screening test. Saponins are considered as the active ingredients of ginseng. However, in the body, saponins are converted to dammarane-type triterpenes, which may account for the anti-hyperglycemic activity. We developed a method for producing a dammarane-type triterpene extract (DTE) from Panax notoginseng roots and investigated the extract's potential anti-hyperglycemic activity...
October 24, 2016: Bioscience, Biotechnology, and Biochemistry
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
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