نتایج جستجو برای: valproic acid vpa
تعداد نتایج: 747691 فیلتر نتایج به سال:
Background: Histone deacetylation of tumor suppressor genes such as estrogen receptor alpha (ERα) can induce cancer, which is reversible by epi-drugs such as valproic acid (VPA). The previous result indicated that tamoxifen (TAM) induced apoptosis in hepatocellular carcinoma (HCC). This study was designed to assess the apoptotic and antiproliferative effects of VPA and TAM and also the ef...
Valproic acid (VPA) is a commonly prescribed and approved treatment for epilepsy, including Angelman syndrome, throughout the world. However, the long-term administration of drugs like VPA is associated with the possible development of gastric varices and splenic obstruction as a result of chronic pancreatitis. Such cases can be difficult to treat using endoscopy or interventional radiology bec...
Objective(s) The role of therapeutic drug monitoring (TDM) in patient care has grown rapidly since its introduction three decades ago. The aim of present study was to evaluate the possible relationship between serum levels and the clinical response of valproic acid (VPA). Materials and Methods In the present study we evaluated a homogeneous group of adult patients receiving VPA monotherapy. ...
Valproic acid (VPA) has been reported to cause cognitive decline and parkinsonism that are reversed with cessation of medication. Common imaging findings among these reports demonstrate reversible cortical pseudoatrophy and enlargement of the lateral ventricles. This case exemplifies these adverse effects of VPA which can cause reversible neurological symptoms even in long-term treated patients...
To investigate the mechanism for the enhanced glucuronidation of valproic acid (VPA) by panipenem (PAPM), a carbapenem antibiotic, in rat liver, we carried out studies to investigate whether PAPM increases the activity of UDP-glucuronosyltransferase or the level of hepatic UDP-glucuronic acid (UDPGA) in rats. PAPM had no effect on the UDP-glucuronosyltransferase activity toward VPA both in vivo...
Valproic acid (VPA) is a widely used antiepileptic drug to treat epilepsy and psychiatric disorders, but potentially causes idiosyncratic liver injury. Alpers-Huttenlocher syndrome (AHS), a neurogenetic disorder caused by mitochondrial DNA polymerase γ (POLG) mutations, has close correlation with fatal VPA hepatotoxicity. However, the mechanisms of this clinical mystery remain unknown. Here, we...
Objective(s): Valproic acid (VPA) has proven to be as one of the most promising useful drug with anticancer properties.In this study, we investigate the VPA effects on E-cadherin expression in HeLa, TC1, MKN45, and HCT116 cell lines. This study assesses the effects of VPA on human papillomavirus E7 expression in HPV positive cell lines. Materials and Methods: Cell lines were treated by2 mmol/...
Valproic acid/sodium valproate (VPA), a drug primarily used for treatment of seizure disorders, is recognized as an efficient epigenetic agent, inducing inhibition histone deacetylases, promoting changes in the methylation status DNA and histones, affecting chromatin structure. In addition to these effects, molecular affinity VPA H1 has been proposed based on thermal denaturation, fluorescence ...
OBJECTIVE To determine the rate of occurrence of major malformations in infants whose mothers had taken the drug valproic acid (VPA) as monotherapy during the first trimester of pregnancy and had enrolled in the North American Antiepileptic Drug Pregnancy Registry. METHODS Data were collected from pregnant women throughout the United States and Canada through telephone-based interviews. Each ...
Valproic acid (VPA) is an antiepileptic drug used in the treatment of a wide variety of human seizures including generalized absence (GA) (petit mal) seizures. The mechanism of action of VPA in controlling GA seizures is not known. We tested the effects of VPA on the Ca2+ current components of acutely dissociated rat nodose ganglion neurons. VPA reduced the low-threshold (T) Ca2+ current at cli...
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