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Liping Meng, Hiroyasu Uzui, Hangyuan Guo, Hiroshi Tada
Cardiac fibrosis is a major pathological manifestation of diabetic cardiomyopathy (DCM), which leads to cardiac remodeling, dilated cardiomyopathy and congestive heart failure. Human cardiac fibroblasts (HCF) constitute the predominant cell type in the heart and matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) are also involved in cardiac fibrosis. However, it is unclear whether high glucose levels affect the expression of MMPs and TIMPs in HCF. Sodium‑glucose cotransporter (SGLT) inhibitors have been developed as therapeutic agents and the anti‑DCM effect of SGLT inhibitors has been demonstrated by previous studies...
May 2018: Molecular Medicine Reports
Wassim Mosleh, Abhinav Sharma, Mandeep S Sidhu, Brian Page, Umesh C Sharma, Michael E Farkouh
The optimal treatment approach to patients with coronary artery disease (CAD), including those with type 2 diabetes mellitus (T2DM), has been extensively evaluated. Several trials of stable ischemic heart disease including patients with T2DM have demonstrated that medical management is comparable to revascularization in terms of mortality and rates of major adverse cardiovascular events (MACE). There has been a growing appreciation for optimal medical therapy's (OMT) role in improving clinical outcomes. It is vital to target T2DM patients to prevent or delay MACE events through advanced OMT, ultimately delaying if not avoiding the need for revascularization...
June 2017: Cardiovascular Drugs and Therapy
Chuying Yu, Xiaofeng Cai, Zhibiao Ye, Hanxia Li
The trihelix family, classified as GT factors due to their binding specificity for GT elements, constitutes a plant-specific transcription factor family with a conserved trihelix DNA binding domain. In the present study, the comprehensive analysis of 36 putative GT factors was performed in tomato. SlGT members can be classified into six subgroups (GT-1, GT-2, SH4, SIP1, GT-γ and GT-δ). Expression analysis of SlGT gene transcripts showed the distinct expression patterns of SlGT genes in various tomato organs...
December 25, 2015: Biochemical and Biophysical Research Communications
Julie O'Neill, Angelica Fasching, Liselotte Pihl, Daniela Patinha, Stephanie Franzén, Fredrik Palm
Early stage diabetic nephropathy is characterized by glomerular hyperfiltration and reduced renal tissue Po2. Recent observations have indicated that increased tubular Na(+)-glucose linked transport (SGLT) plays a role in the development of diabetes-induced hyperfiltration. The aim of the present study was to determine how inhibition of SLGT impacts upon Po2 in the diabetic rat kidney. Diabetes was induced by streptozotocin in Sprague-Dawley rats 2 wk before experimentation. Renal hemodynamics, excretory function, and renal O2 homeostasis were measured in anesthetized control and diabetic rats during baseline and after acute SGLT inhibition using phlorizin (200 mg/kg ip)...
August 1, 2015: American Journal of Physiology. Renal Physiology
Jan Tatoń, Anna Czech, Paweł Piatkiewicz
This review presents the advances in the molecular biology and the pathophysiology of insulin resistance with emphasis on disturbances in cellular glucose transport. New scientific information about the structure and function of glucotransporters from the GLUT4 and SLGT families underline their significance in endocrinopathies and metabolic disease pathogenesis as related to insulin resistance. The new discoveries in this area also contribute to a better understanding of the regulation of insulin receptor and post-receptor reactivity by hormones and by drugs...
July 2010: Endokrynologia Polska
Minoarisoa Rajerison, Sylvie Dartevelle, Lalao A Ralafiarisoa, Idir Bitam, Thi Ngoc Tuyet Dinh, Voahangy Andrianaivoarimanana, Faridabano Nato, Lila Rahalison
BACKGROUND: Tools for plague diagnosis and surveillance are not always available and affordable in most of the countries affected by the disease. Yersinia pestis isolation for confirmation is time-consuming and difficult to perform under field conditions. Serologic tests like ELISA require specific equipments not always available in developing countries. In addition to the existing rapid test for antigen detection, a rapid serodiagnostic assay may be useful for plague control. METHODS/PRINCIPAL FINDINGS: We developed two rapid immunochromatography-based tests for the detection of antibodies directed against F1 antigen of Y...
2009: PLoS Neglected Tropical Diseases
H A Milane, A Al Ahmad, M Naitchabane, T F Vandamme, L Jung, G Ubeaud
Quercetin di-sodium salt (QDS), a water-soluble derivative of quercetin (Q), is a potent free radical scavenger. The aim of this study was to examine the in vitro intestinal transport of QDS compared to that of Q using the Caco-2 human intestinal epithelial cell line. The apical (A) to basolateral (B) transport of QDS was found to be higher than the B to A transport of this compound. This polarized transport involved the presence of a carrier protein system. The involvement of the sodium/glucose transporter-1 (SGLT-1) was shown by using phloridzin, a selective inhibitor of this conveyor system...
July 2007: European Journal of Drug Metabolism and Pharmacokinetics
Y Wang, Z Cao, R F Newkirk, M T Ivy, J G Townsel
It is well documented that the sodium dependent, hemicholinium-3 sensitive, high affinity choline co-transporter is rate limiting in the biosynthesis of acetylcholine and is essential to cholinergic transmission. Until recently this transporter had eluded cloning. Okuda et al. (2000. Nature Neurosci. 3, 120-125) recently reported the successful cloning of the choline co-transporter in Caenorhabditis elegans (CHO-1) and rat (CHT1). We report herein the cloning of the choline co-transporter in the horseshoe crab, Limulus polyphemus...
May 2, 2001: Gene
Morrisey, Steadman, Williams, Phillips
Thickening and reduplication of the tubular basement membrane has been reported as an early event in diabetic nephropathy. In the current study we have examined the polar requirements of proximal tubular cells for the D-glucose stimulated accumulation of fibronectin. We also examined the mechanism by which glucose led to accumulation of fibronectin, with particular emphasis on the polyol pathway. Incubation of confluent monolayers of LLC-PK1 cells grown on tissue culture inserts with 25 mM D-glucose on either their apical or basolateral aspect, led to fibronectin accumulation in the basolateral compartment...
June 1999: Kidney International
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