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V K Kolli et al.
Human & experimental toxicology, 33(10), 1051-1065 (2013-12-19)
The efficacy of methotrexate (MTX), a widely used chemotherapeutic drug, is limited by its gastrointestinal toxicity and the mechanism of which is not clear. The present study investigates the possible role of mitochondrial damage in MTX-induced enteritis. Small intestinal injury
Patrice N Mimche et al.
Hepatology (Baltimore, Md.), 62(3), 900-914 (2015-03-19)
Beyond the well-defined role of the Eph (erythropoietin-producing hepatocellular) receptor tyrosine kinases in developmental processes, cell motility, cell trafficking/adhesion, and cancer, nothing is known about their involvement in liver pathologies. During blood-stage rodent malaria infection we have found that EphB2
William H Parker et al.
Biochemical and biophysical research communications, 458(2), 262-267 (2015-02-04)
Intracellular vitamin C, or ascorbic acid, has been shown to prevent the apoptosis of cultured vascular pericytes under simulated diabetic conditions. We sought to determine the mechanism by which ascorbate is transported into pericytes prior to exerting this protective effect.
Z Huang et al.
Thrombosis and haemostasis, 112(1), 142-150 (2014-03-19)
ATP released by activated platelets can serve as a positive feedback machinery to amplify platelet responses by activating P2X1 receptors. It has, however, not been defined how P2X1 activities influence thromboxane A2 (TXA2)-stimulated platelet functional responses. Our aim was to
Vijay Singh et al.
PloS one, 9(11), e111113-e111113 (2014-11-05)
The sensitivity of human Burkitt's lymphoma cells to rituximab (Rtx) and tositumomab (Tst) was assessed on cells expressing different levels of CD20 on surface. Cells that harbor low CD20 levels may resists against therapeutics response to CD20-specific antibodies. We postulated
Cleonice Marques Costa et al.
Current drug delivery, 12(5), 491-503 (2015-09-02)
The objective of the present study was to optimize the preparation of chitosan submicroparticles and to assess whether they enhanced ocular permeation of pilocarpine. Submicroparticles were produced by spray drying and characterized to determine process yield, encapsulation efficiency, morphology, size
Alex Evangelista do Amaral et al.
European journal of medicinal chemistry, 90, 732-741 (2014-12-17)
The parasites of the genus Leishmania cause a range of leishmaniasis diseases, whose treatment is impaired due to intramacrophage parasites living in the mammalian host. Immunostimulation has been considered an important strategy to leishmaniasis treatment. The immunomodulatory effects of the
Yang Zhang et al.
PloS one, 10(6), e0128555-e0128555 (2015-06-05)
It has been well established that the architecture of chromatin in cell nuclei is not random but functionally correlated. Chromatin damage caused by ionizing radiation raises complex repair machineries. This is accompanied by local chromatin rearrangements and structural changes which
Michael Schelleckes et al.
Orphanet journal of rare diseases, 9, 178-178 (2014-11-27)
Fabry disease (FD) is a multisystemic disorder with typical neurological manifestations such as stroke and small fiber neuropathy (SFN), caused by mutations of the alpha-galactosidase A (GLA) gene. We analyzed 15 patients carrying the GLA haplotype -10C>T [rs2071225], IVS2-81_-77delCAGCC [rs5903184]
Dany Spaggiari et al.
Analytical and bioanalytical chemistry, 406(20), 4875-4887 (2014-06-05)
The cocktail approach is an advantageous strategy used to monitor the activities of several cytochromes P450 (CYPs) in a single test to increase the throughput of in vitro phenotyping studies. In this study, a cocktail mixture was developed with eight
K I R Teixeira et al.
Drug delivery, 22(3), 444-453 (2014-02-05)
Although several studies have shown that chlorhexidine (Cx) has bactericidal activity and exerts toxic effects on periodontal tissues a few studies evaluated mechanisms to reduce its adverse effects maintaining the antimicrobial properties. Therefore, the aim of the present study was
Katalin F Medzihradszky et al.
Analytical chemistry, 87(5), 3064-3071 (2015-02-06)
Beam-type collision-induced dissociation (CID) data of intact glycopeptides isolated from mouse liver tissue are presented to illustrate characteristic fragmentation of differentially sialylated glycopeptides. Eight glycoforms of an O-linked glycopeptide from Nucleobindin-1 are distinguished on the basis of the precursor masses
Thomas J Raub et al.
Drug metabolism and disposition: the biological fate of chemicals, 43(9), 1360-1371 (2015-07-08)
Effective treatments for primary brain tumors and brain metastases represent a major unmet medical need. Targeting the CDK4/CDK6-cyclin D1-Rb-p16/ink4a pathway using a potent CDK4 and CDK6 kinase inhibitor has potential for treating primary central nervous system tumors such as glioblastoma
Ping Li et al.
International journal of pharmaceutics, 477(1-2), 390-398 (2014-12-03)
This study aims at evaluating the combination of self-nanoemulsifying drug delivery systems (SNEDDS) and enteric-coated capsules as a potential delivery strategy for oral delivery of insulin. The SNEDDS preconcentrates, loaded with insulin-phospholipid complex at different levels (0, 2.5 and 10%
Yong-Hui Ding et al.
Drug design, development and therapy, 9, 425-464 (2015-01-28)
Ovarian cancer is a leading killer of women, and no cure for advanced ovarian cancer is available. Alisertib (ALS), a selective Aurora kinase A (AURKA) inhibitor, has shown potent anticancer effects, and is under clinical investigation for the treatment of
Kohta Kurohane et al.
Biological & pharmaceutical bulletin, 38(7), 1054-1062 (2015-05-12)
Due to health concerns about phthalate esters, the use of alternative plasticizers is being considered. Phthalate esters enhance skin sensitization to fluorescein isothiocyanate (FITC) in mouse models. We have demonstrated that phthalate esters stimulate transient receptor potential ankyrin 1 (TRPA1)
Sung-Hee Hwang et al.
Neuroscience letters, 584, 356-361 (2014-12-03)
Gintonin is a novel ginseng-derived G protein-coupled lysophosphatidic acid (LPA) receptor ligand. Gintonin elicits an intracellular calcium concentration [Ca(2+)]i transient via activation of LPA receptors and regulates calcium-dependent ion channels and receptors. [Ca(2+)]i elevation by neurotransmitters or depolarization is usually
Esther Rodríguez-Díez et al.
Blood, 124(15), 2380-2390 (2014-08-27)
Cdk4 and Cdk6 are related protein kinases that bind d-type cyclins and regulate cell-cycle progression. Cdk4/6 inhibitors are currently being used in advanced clinical trials and show great promise against many types of tumors. Cdk4 and Cdk6 are inhibited by
Masahito Wakita et al.
Toxicon : official journal of the International Society on Toxinology, 103, 12-18 (2015-05-12)
The present study utilised a 'synaptic bouton' preparation of mechanically isolated rat hippocampal CA3 pyramidal neurons, which permits direct physiological and pharmacological quantitative analyses at the excitatory and inhibitory single synapse level. Evoked excitatory and inhibitory postsynaptic currents (eEPSCs and
Ana I Loureiro et al.
Xenobiotica; the fate of foreign compounds in biological systems, 45(9), 828-839 (2015-04-29)
1. This study explores the impact of permeability and P-glycoprotein (P-gp) efflux, upon brain exposure to etamicastat, a new dopamine-β-hydroxylase (DBH) inhibitor and consequently brain levels of catecholamines. 2. Brain exposure to etamicastat (10 mg/kg), following intravenous administration to mice, was
Ayo Y Simon et al.
Blood, 126(3), 378-385 (2015-05-07)
Dengue virus (DENV) infection causes ∼200 million cases of severe flulike illness annually, escalating to life-threatening hemorrhagic fever or shock syndrome in ∼500,000. Although thrombocytopenia is typical of both mild and severe diseases, the mechanism triggering platelet reduction is incompletely
Yoon Lee et al.
Acta odontologica Scandinavica, 73(2), 87-92 (2014-09-16)
The purpose of this study was to compare the cytotoxicity of four denture adhesives on human gingival fibroblast cells. Immortalized human gingival fibroblasts were cultured with one of four different denture adhesives, Polident, Protefix, Staydent or Denfix-A, which was placed
J L Silva-Filho et al.
Archives of biochemistry and biophysics, 573, 1-13 (2015-03-11)
Angiotensin II (Ang II) plays an important role in the regulation of the T-cell response during inflammation. However, the cellular mechanisms underlying the regulation of lymphocytes under physiologic conditions have not yet been studied. Here, we tested the influence of
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