Merck
Advanced Search
Structure Search
Search Within
Applied Filters:
Keyword:'74875'
Showing 1-30 of 6461 results for "

74875

" within Papers
Nishad Jayasundara et al.
Toxicological sciences : an official journal of the Society of Toxicology, 143(2), 469-481 (2014-11-22)
Polycyclic aromatic hydrocarbons (PAHs) induce developmental defects including cardiac deformities in fish. The aryl hydrocarbon receptor (AHR) mediates the toxicity of some PAHs. Exposure to a simple PAH mixture during embryo development consisting of an AHR agonist (benzo(a)pyrene-BaP) with fluoranthene
Xia Han et al.
Biomolecules & therapeutics, 23(4), 357-366 (2015-07-15)
Isorhamnetin (3-methylquercetin) is a flavonoid derived from the fruits of certain medicinal plants. This study investigated the photoprotective properties of isorhamnetin against cell damage and apoptosis resulting from excessive ultraviolet (UV) B exposure in human HaCaT keratinocytes. Isorhamnetin eliminated UVB-induced
Hong-Fang Jiang et al.
Oncology letters, 8(3), 1139-1142 (2014-08-15)
Daphnoretin is an active constituent of
Remigiusz Żurawiński et al.
Organic & biomolecular chemistry, 13(25), 7000-7012 (2015-06-02)
The synthesis of two cross-conjugated prostaglandin analogues of known neurotrophic activity and their new hydroxy derivatives was accomplished starting from the diastereoisomeric (+)-camphor protected 3-[(dimethoxyphosphoryl)methyl]-4,5-dihydroxycyclopent-2-enones. The cytotoxicity of these compounds was determined against HeLa, K562, HL-60 human cancer cell lines
Amber L Jolly et al.
mBio, 6(2), e02533-e02533 (2015-02-26)
The opportunistic pathogen Pseudomonas aeruginosa can infect almost any site in the body but most often targets epithelial cell-lined tissues such as the airways, skin, and the cornea of the eye. A common predisposing factor is cystic fibrosis (CF), caused
Jesse Hwang et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(52), E5706-E5715 (2014-12-17)
An shRNA-mediated screen of the 48 human nuclear receptor genes identified multiple candidates likely to influence the production of human cytomegalovirus in cultured human fibroblasts, including the estrogen-related receptor α (ERRα), an orphan nuclear receptor. The 50-kDa receptor and a
Shigeo Nagashima et al.
The Journal of general virology, 95(Pt 10), 2166-2175 (2014-06-28)
Our previous studies indicated that hepatitis E virus (HEV) forms membrane-associated particles in the cytoplasm, most likely by budding into intracellular vesicles, and requires the multivesicular body (MVB) pathway to release virus particles, and the released HEV particles with a
Pablo J Giraudi et al.
Experimental and molecular pathology, 98(1), 85-92 (2014-12-24)
Non-alcoholic fatty liver disease is characterized by an initial accumulation of triglycerides that can progress to non-alcoholic steatohepatitis, which can ultimately evolve to cirrhosis and hepatocellular carcinoma. Hepatic stellate cells play a key role in liver fibrogenesis by an increased
Huaijian Guo et al.
Molecular and cellular biology, 35(1), 41-51 (2014-10-15)
Signaling lymphocytic activation molecule F7 (SLAMF7) is a receptor present on immune cells, including natural killer (NK) cells. It is also expressed on multiple myeloma (MM) cells. This led to development of an anti-SLAMF7 antibody, elotuzumab, showing efficacy against MM.
C Boehler et al.
Biomaterials, 67, 346-353 (2015-08-04)
Micro-sized electrodes are essential for highly sensitive communication at the neural interface with superior spatial resolution. However, such small electrodes inevitably suffer from high electrical impedance and thus high levels of thermal noise deteriorating the signal to noise ratio. In
Nilufer Cinkilic et al.
Mutation research. Genetic toxicology and environmental mutagenesis, 770, 72-79 (2014-10-26)
The present study was designed to determine the protective activity of cinnamic acid against induction by X-rays of genomic instability in normal human blood lymphocytes. This radio-protective activity was assessed by use of the cytokinesis-block micronucleus test and the alkaline
Fengge Shen et al.
Applied microbiology and biotechnology, 99(1), 359-373 (2014-09-27)
Staphylococcus aureus is one of the most important pathogens in humans and animals. The formation of biofilm by S. aureus is considered an important mechanism of antimicrobial resistance. Therefore, finding effective drugs against the biofilm produced by S. aureus has
Simon Kaja et al.
Experimental eye research, 138, 159-166 (2015-06-07)
Optic nerve head astrocytes (ONHAs) are the major glia cell type in the non-myelinated optic nerve head where they contribute critically to extracellular matrix synthesis during development and throughout life. In glaucoma, and in related disorders affecting the optic nerve
Sun-Yee Kim et al.
PloS one, 10(7), e0133448-e0133448 (2015-07-16)
SIRT1 plays a key role in maintaining metabolic homeostasis in mammals by directly modulating the activities of various transcription factors and metabolic enzymes through lysine deacetylation. White adipose tissue plays a key role in lipid storage and metabolism. To identify
Ville Härmä et al.
PloS one, 10(5), e0126111-e0126111 (2015-05-13)
The anti-invasive and anti-proliferative effects of betulins and abietane derivatives was systematically tested using an organotypic model system of advanced, castration-resistant prostate cancers. A preliminary screen of the initial set of 93 compounds was performed in two-dimensional (2D) growth conditions
Sian M Henson et al.
European journal of immunology, 45(5), 1441-1451 (2015-02-25)
Immune enhancement is desirable in situations where decreased immunity results in increased morbidity. We investigated whether blocking the surface inhibitory receptor PD-1 and/or p38 MAP kinase could enhance the proliferation of the effector memory CD8(+) T-cell subset that re-expresses CD45RA
Ioannis S Vizirianakis et al.
International journal of oncology, 47(1), 303-314 (2015-05-23)
Impairment of ribosome biogenesis contributes to the molecular pathophysiology of ribosomopathies by deregulating cell-lineage specific proliferation, differentiation and apoptosis decisions of haematopoietic progenitor cells. Here, using pro-erythroblast-like murine erythroleukemia (MEL) cells, a model system of erythroid maturation, we aimed to
Hongsheng Li et al.
Oncology reports, 33(3), 1307-1313 (2015-01-13)
Hepatocellular carcinoma (HCC) is a common malignant carcinoma worldwide and the third leading cause of cancer mortality. However, current treatment strategies are not potent enough to combat this disease. Therefore, identification of novel and more effective treatments is crucial. Of
Daniela Machová et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 131, 141-150 (2018-08-04)
Ritonavir (RIT) is a widely used antiviral drug that acts as an HIV protease inhibitor with emerging potential in anticancer therapies. RIT causes inhibition of P-glycoprotein, which plays an important role in multidrug resistance (MDR) in cancer cells when overexpressed.
Li Wang et al.
Biochimica et biophysica acta, 1838(12), 3162-3170 (2014-09-15)
The organic solvent dimethylsulphoxide (DMSO) and 1,1,1,3,3,3-hexafluoro-2-isopropanol (HFIP) have been widely used as a pre-treating agent of amyloid peptides and as a vehicle for water-insoluble inhibitors. These solvents are left in many cases as a trace quantity in bulk and
Joëlle Nader et al.
Neuropharmacology, 87, 214-221 (2014-04-09)
Methamphetamine toxicity is associated with cell death and loss of dopamine neuron terminals in the striatum similar to what is found in some neurodegenerative diseases. Conversely, the endocannabinoid system (ECS) has been suggested to be neuroprotective in the brain, and
Xi Liu et al.
The Journal of biological chemistry, 290(45), 27370-27383 (2015-09-18)
As revealed in a previous microarray study to identify genes regulated by 20-hydroxyecdysone (20E) and juvenile hormone (JH) in the silkworm, Bombyx mori, E93 expression in the fat body was markedly low prior to the wandering stage but abundant during
Roxane Darbousset et al.
Blood, 124(16), 2575-2585 (2014-08-26)
Adenosine triphosphate (ATP) and its metabolite, adenosine, are key regulators of polymorphonuclear neutrophil (PMN) functions. PMNs have recently been implicated in the initiation of thrombosis. We investigated the role of ATP and adenosine in PMN activation and recruitment at the
G Mészáros et al.
Acta physiologica Hungarica, 102(2), 216-227 (2015-06-24)
Mitochondrial functions have a major impact on T-cell functionality. In this study we characterized whether mitochondrial function in the neonatal T-cells differs from that in the adult T-cells during short T-cell activation. We used flow cytometry methods to test mitochondrial
Tatiana Shioji Tiuman et al.
BMC microbiology, 14, 152-152 (2014-06-11)
Leishmania amazonensis infection results in diverse clinical manifestations: cutaneous, mucocutaneous or visceral leishmaniasis. The arsenal of drugs available for treating Leishmania infections is limited. Therefore, new, effective, and less toxic leishmaniasis treatments are still needed. We verified cell death in
P C J Schmeits et al.
Archives of toxicology, 89(12), 2325-2337 (2014-09-17)
Transcriptomics in combination with in vitro cell systems is a powerful approach to unravel modes of action of toxicants. An important question is to which extent the modes of action as revealed by transcriptomics depend on cell type, species and
Haiyuan Zhang et al.
PloS one, 9(5), e96418-e96418 (2014-05-09)
Gambogic acid (GA), the main active component of gamboge resin, has potent antitumor activity both in vivo and in vitro. However, the underlying molecular mechanisms remain unclear. In this study, we found that GA could initiate autophagy in colorectal cancer
Weiliang Jiang et al.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 73, 40-47 (2015-07-28)
Pancreatic cancer (PC) is one of the most lethal human malignancies worldwide. Here, we demonstrated that xanthohumol (XN), the most abundant prenylated chalcone isolated from hops, inhibited the growth of cultured PC cells and their subcutaneous xenograft tumors. XN treatment
Leanna Cheung et al.
Biochemical pharmacology, 93(3), 380-388 (2014-12-03)
Multidrug resistance protein 4 (MRP4) effluxes a wide variety of drugs and endogenous signaling molecules from cells and has been proposed as an attractive therapeutic target in several solid tumors, including neuroblastoma and colorectal cancer. MRP4 also regulates the pharmacokinetics
Rachel L Clifford et al.
American journal of physiology. Lung cellular and molecular physiology, 308(9), L962-L972 (2015-02-26)
Asthma is characterized by airway inflammation and remodeling and CXCL8 is a CXC chemokine that drives steroid-resistant neutrophilic airway inflammation. We have shown that airway smooth muscle (ASM) cells isolated from asthmatic individuals secrete more CXCL8 than cells from nonasthmatic
Page 1 of 216
Page 1 of 216