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Response to letter regarding article, “histone deacetylation inhibition in pulmonary hypertension: therapeutic potential of valproic acid and suberoylanilide hydroxamic acid”.
Lan Zhao et al.
Circulation, 127(14), e540-e540 (2013-05-22)
Ran Tao et al.
Molecular and cellular biology, 33(21), 4212-4224 (2013-08-28)
The DNA damage checkpoint is tightly controlled. After its activation, the checkpoint machinery is inactivated once lesions are repaired or undergoes adaptation if the DNA damage is unable to be repaired. Protein acetylation has been shown to play an important
Xinrong Chen et al.
Reproductive toxicology (Elmsford, N.Y.), 53, 131-140 (2015-05-02)
The mouse Embryonic Stem cell Test (EST) using cardiomyocyte differentiation is a promising in vitro assay for detecting potential embryotoxicity; however, the addition of another differentiation endpoint, such as osteoblasts, may improve the predictive value of the test. A number
Vincenzo Belcastro et al.
Epilepsy research, 107(1-2), 1-8 (2013-10-01)
Treatment of epileptic patients with valproic acid (VPA) may be associated with substantial weight changes that may increase morbidity and impair adherence to the treatment regimen. VPA-induced weight gain seems to be associated with many metabolic disturbances; the most frequent
Thomas Bleck et al.
Epilepsia, 54 Suppl 6, 89-92 (2013-09-06)
Benzodiazepine-refractory status epilepticus (established status epilepticus, ESE) is a relatively common emergency condition with several widely used treatments. There are no controlled, randomized, blinded clinical trials to compare the efficacy and tolerability of currently available treatments for ESE. The ESE
Jason T Connor et al.
Journal of clinical epidemiology, 66(8 Suppl), S130-S137 (2013-07-17)
We present a novel Bayesian adaptive comparative effectiveness trial comparing three treatments for status epilepticus that uses adaptive randomization with potential early stopping. The trial will enroll 720 unique patients in emergency departments and uses a Bayesian adaptive design. The
Hipólito Nzwalo et al.
Epileptic disorders : international epilepsy journal with videotape, 15(2), 207-210 (2013-06-19)
Hyperammonaemic encephalopathy is a rare and potentially fatal complication of valproic acid treatment. The clinical presentation of hyperammonaemic encephalopathy is wide and includes seizures and coma. We present a case of hyperammonaemic coma precipitated by sodium valproate use for symptomatic
Paromita Raha et al.
Breast cancer research : BCR, 17, 26-26 (2015-04-08)
The emergence of hormone therapy resistance, despite continued expression of the estrogen receptor (ER), is a major challenge to curing breast cancer. Recent clinical studies suggest that epigenetic modulation by histone deacetylase (HDAC) inhibitors reverses hormone therapy resistance. However, little
Hiroyuki Tanaka et al.
Gan to kagaku ryoho. Cancer & chemotherapy, 41(4), 527-530 (2014-04-20)
We report the cases of 2 breast cancer patients who received capecitabine(CAP)and concomitant anticonvulsant therapy with either phenytoin(PHT)or valproate(VPA)for brain metastasis. The effect of CAP on the blood levels of the 2 anticonvulsants was different and it depended on the
Valproate in pregnancy linked to autism in children.
BMJ (Clinical research ed.), 346, f2602-f2602 (2013-04-26)
Dimitrios Chatzistefanidis et al.
Pharmacogenomics, 13(9), 1055-1071 (2012-07-31)
Metabolism of valproic acid, a widely used drug, is only partially understood. It is mainly metabolized through glucuronidation and acts as a substrate for various UDP-glucuronosyltransferases (UGTs). UGTs metabolizing valproic acid in the liver are UGT1A3, UGT1A4, UGT1A6, UGT1A9 and
Guang Jin et al.
Surgery, 156(2), 221-228 (2014-06-22)
Therapeutic hypothermia and histone deacetylase inhibitors, such as valproic acid (VPA), independently have been shown to have neuroprotective properties in models of cerebral ischemic and traumatic brain injury. However, the depth of hypothermia and the dose of VPA needed to
Chien-Yu Kao et al.
Journal of neurochemistry, 126(1), 4-18 (2013-05-08)
Valproic acid (VPA) is the primary mood-stabilizing drug to exert neuroprotective effects and to treat bipolar disorder in clinic. Fibroblast growth factor 1 (FGF1) has been shown to regulate cell proliferation, cell division, and neurogenesis. Human FGF1 gene 1B promoter
Matthew D Sztajnkrycer
Journal of toxicology. Clinical toxicology, 40(6), 789-801 (2002-12-12)
Acute valproic acid intoxication is an increasing problem, accounting for more than 5000 calls to the American Association of Poison Control Centers in 2000. The purpose of this paper is to review the pharmacology and toxicology of valproic acid toxicity.
E Fontana et al.
Current drug metabolism, 6(5), 413-454 (2005-10-27)
The inhibition of human cytochrome P450s (CYPs) is one of the most common mechanisms which can lead to drug-drug interactions. The inhibition of CYPs can be reversible (competitive or non-competitive) or irreversible. Irreversible inhibition usually derives from activation of a
Manthena V S Varma et al.
Journal of medicinal chemistry, 53(3), 1098-1108 (2010-01-15)
Oral bioavailability (F) is a product of fraction absorbed (Fa), fraction escaping gut-wall elimination (Fg), and fraction escaping hepatic elimination (Fh). In this study, using a database comprised of Fa, Fg, Fh, and F values for 309 drugs in humans
L A Gromov et al.
Ukrains'kyi biokhimichnyi zhurnal (1999 ), 85(1), 79-83 (2013-03-29)
The effect of phenobarbital, carbamazepine, valproate sodium, depakine, topiramate and lamotrigine on the content of NO and NO-synthase activity in white rat brain tissues has been studied. It was established that the action of carbamazepine, valproate sodium, topiramate and lamotrigine
Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
Minjun Chen et al.
Drug discovery today, 16(15-16), 697-703 (2011-06-01)
Drug-induced liver injury (DILI) is a leading cause of drugs failing during clinical trials and being withdrawn from the market. Comparative analysis of drugs based on their DILI potential is an effective approach to discover key DILI mechanisms and risk
Emily C Bell et al.
Human psychopharmacology, 20(6), 415-424 (2005-08-18)
Previous functional imaging studies have shown altered brain activity during cognitive task performance in bipolar patients. However, the fact that these patients are often on medication makes it unclear to what extent these changes reflect treatment effects. This study aims
P C Ho et al.
The pharmacogenomics journal, 3(6), 335-342 (2003-11-05)
The present study investigated the effect of cytochrome P450 2C9 (CYP2C9) genetic polymorphism on the biotransformation of valproic acid (VPA) to its hepatotoxic metabolite, 4-ene-VPA, and compared that to the formation of the inactive 4-OH-VPA and 5-OH-VPA. cDNA-expressed CYP2C9(*)2 and
Mattias Linde et al.
The Cochrane database of systematic reviews, 6(6), CD010611-CD010611 (2013-06-26)
Some antiepileptic drugs but not others are useful in clinical practice for the prophylaxis of migraine. This might be explained by the variety of actions of these drugs in the central nervous system. The present review is part of an
Ronald Koschny et al.
Journal of neuropathology and experimental neurology, 73(11), 1034-1046 (2014-10-08)
A meningioma is the most common primary intracranial tumor in adults. Here, we investigated the therapeutic potential of the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) in 37 meningiomas. Freshly isolated primary meningioma cells were treated with TRAIL with or without
Victoria Karakis et al.
The Journal of biological chemistry, 299(5), 104650-104650 (2023-03-28)
Human trophoblast stem cells (hTSCs) have emerged as a powerful tool to model early placental development in vitro. Analogous to the epithelial cytotrophoblast in the placenta, hTSCs can differentiate into cells of the extravillous trophoblast (EVT) lineage or the multinucleate syncytiotrophoblast
Ming-Ru Wu et al.
Journal of immunology (Baltimore, Md. : 1950), 194(11), 5305-5311 (2015-04-26)
Substantial evidence showed that T cells are the key effectors in immune-mediated tumor eradication; however, most T cells do not exhibit antitumor specificity. In this study, a bispecific T cell engager (BiTE) approach was used to direct T cells to
Tsung-Hua Hsieh et al.
Molecular therapy : the journal of the American Society of Gene Therapy, 23(4), 656-666 (2014-12-23)
Histone deacetylase inhibitors (HDACi) are novel clinical anticancer drugs that inhibit HDAC gene expression and induce cell apoptosis in human cancers. Nevertheless, the detailed mechanism or the downstream HDAC targets by which HDACi mediates apoptosis in human breast cancer cells
Elena Perrino et al.
Bioorganic & medicinal chemistry letters, 18(6), 1893-1897 (2008-02-26)
One dithiolthione and two new methanethiosulfonate derivatives of valproic acid (VPA) were synthesized and tested in vitro as histone deacetylase (HDAC) inhibitors. The new molecules, as well as their sulfurated moieties, exhibited a much stronger inhibition of HDAC enzymatic and
Tamás Bűdi et al.
Epilepsia, 56(6), 849-855 (2015-05-15)
Valproic acid (VPA)-induced adverse effects, which are sometimes serious in children, can be associated with alterations in VPA metabolism. VPA-evoked toxicity is attributed to both the parent compound and its unsaturated metabolites, primarily formed by the cytochrome P450 (CYP)2C9 enzyme.
Radu M Nanau et al.
Clinical biochemistry, 46(15), 1323-1338 (2013-06-25)
Valproic acid is a widely-used first-generation antiepileptic drug, prescribed predominantly in epilepsy and psychiatric disorders. VPA has good efficacy and pharmacoeconomic profiles, as well as a relatively favorable safety profile. However, adverse drug reactions have been reported in relation with
Marcela Cataldi et al.
Virology, 485, 340-354 (2015-09-04)
Vesicular stomatitis virus (VSV) is an effective oncolytic virus against most human pancreatic ductal adenocarcinoma (PDAC) cell lines. However, some PDAC cell lines are highly resistant to oncolytic VSV-ΔM51 infection. To better understand the mechanism of resistance, we tested a
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