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Senthamizharasi Manivasagam, Tamilselvi Velusamy, Boopathi Sowndharajan, Navvi Chandrasekar, Suresh Dhanusu, Elangovan Vellaichamy
The present study was aimed to determine whether stimulating Npr1 gene activity using Valporic acid (VA), a small short chain fatty acid molecule can enhance ANP mediated anti-hypertrophic activity in isoproterenol (ISO) - treated H9c2 cells in vitro. H9c2 cells were treated with ISO (10(-5) M) and co-treated with VA (10(-5) M) in the presence and absence of ANP (10(-8)M), for 48h. ATRA (10(-5) M) was used as a positive inducer of Npr1 gene transcription. The mRNA expression of Npr1 and PKG-I genes, proto-oncogenes (c-fos, c-jun and c-myc) and hypertrophic markers (ANP, BNP, α-sk and β-MyHC), genes were determined by quantitative PCR (qPCR)...
July 22, 2017: European Journal of Pharmacology
Marika Mannerström, Tarja Toimela, Jertta-Riina Sarkanen, Tuula Heinonen
The OECD GD 129 BALB/c 3T3 neutral red uptake (NRU) assay is a standardized test method for estimating starting dose for an acute oral systemic toxicity test in rodents. Mouse BALB/c 3T3 fibroblasts are the most commonly used cells in the NRU assay. We have previously transferred and validated BALB/c 3T3 NRU assay in our GLP laboratory. Subsequently, in order to obtain more human-relevant cytotoxicity data, we performed an intralaboratory validation using human BJ fibroblasts in the NRU assay instead of mouse BALB/c 3T3 fibroblasts...
April 4, 2017: Basic & Clinical Pharmacology & Toxicology
Muhammad Yasir Khan, Ishaq Nasib Khan, Muhammad Farman, Saleh Al Karim, Ishtiaq Qadri, Muhammad Amjad Kamal, Khalid Al Ghamdi, Steve Harakeh
Human T-cell lymphotropic virus type 1 (HTLV-1) is a retrovirus which is endemic to certain regions of the world and infects around 10-20 million people. HTLV-1 is the etiologic agent of Adult T cell leukemia/lymphoma and HTLV-1 associated neurological disorders including mainly HTLV-1 associated myelopathy/Tropical spastic paraparesis. The involvement of the central nervous diseases occurs among: HTLV-1 infected patients from endemic areas, HIV positive individuals and drug users. The ability of HTLV-1 to cause associated neuropathies starts with the virus crossing the blood brain barrier (BBB), then entering and infecting the cells of the central nervous system...
2017: Current Topics in Medicinal Chemistry
Lev Shapira, Maya Ralph, Enosh Tomer, Shai Cohen, Oren Kobiler
Although many viral particles can enter a single cell, the number of viral genomes per cell that establish infection is limited. However, mechanisms underlying this restriction were not explored in depth. For herpesviruses, one of the possible mechanisms suggested is chromatinization and silencing of the incoming genomes. To test this hypothesis, we followed infection with three herpes simplex virus 1 (HSV-1) fluorescence expressing recombinants in the presence or absence of histone deacetylases inhibitors (HDACi's)...
2016: Frontiers in Microbiology
Liangxiao Ma, Hong Tang, Yue Yin, Ruili Yu, Jing Zhao, Yin Li, Michael W Mulholland, Weizhen Zhang
Sodium valporate (VPA), a broad-spectrum inhibitor of histone deacetylases (HDACs), increased ghrelin whereas decreased nesfatin-1 in mice fed normal chow diet or high-fat diet. Alterations in ghrelin and nucleobindin 2/nesfatin-1 were mediated by HDAC5 but not HDAC4. Activation of mTORC1 significantly attenuated the effect of VPA on ghrelin and nesfatin-1 levels. HDAC5 coimmunoprecipitated with raptor. Inhibition of HDAC5 by VPA, trichostatin A, or siHDAC5 markedly increased acetylation of raptor Lys840 and subsequent phosphorylation of raptor Ser792, resulting in suppression of mTORC1 signaling...
November 2015: Molecular Endocrinology
Saber A Sakr, Mohamed E Zowail, Amera M Marzouk
The present study investigated the cytogenetic and testicular damage induced by the antiepileptic drug, sodium valporate (SVP) in albino rats and the effect of saffron aqueous extracts. Treating rats with SVP caused a significant increase in the chromosomal aberrations either structural or numerical and decreased the mitotic index. Besides, animals administered SVP showed DNA damage appeared in the single strand breaks (comet assay). Testis of SVP-treated rats showed many histopathological changes. A significant decrease in seminiferous tubules and their epithelial heights diameters and inhibition of spermatogenesis was recorded...
September 2014: Anatomy & Cell Biology
Ji Hyun Kim, Tae Ho Kim, Young Chil Choi, Soon-Cheol Chung, Seok Woo Moon
Reported herein is a case of recurrent major depression with impulse control difficulty in a 33-year-old man with Dandy-Walker variant. He was diagnosed as having major depressive disorder a year before he presented himself to the authors' hospital, and had a history of three-time admission to a psychiatric unit in the previous 12 months. He was readmitted and treated with sodium valporate 1,500 mg/day, mirtazapine 45 mg/day, and quetiapine 800 mg/day during the three months that he was confined in the authors' hospital, and the symptoms were reduced within three months but remained thereafter...
September 2013: Psychiatry Investigation
M A Al-Bunyan
OBJECTIVE: To study the correlation of randomly-tested total antiepileptic plasma levels and seizure control in a retrospectively collected group of pregnant epileptic Saudi women. METHODS: The medical records of 30 Saudi epileptic female patients were reviewed during their subsequent pregnancies (total of 50). The type of antiepileptic drugs used during each pregnancy, the dose of each drug and the corresponding total plasma levels were noted. Antiepileptic drugs assay were carried out randomly during pregnancy either by TDX or a sensitive high performance liquid chromatography method...
April 2001: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
Yue Ma, Ya-Jing Mi, Yun-Kai Dai, Hua-Lin Fu, Da-Xiang Cui, Wei-Lin Jin
The inverse F-BAR (IF-BAR) domain proteins srGAP1, srGAP2 and srGAP3 are implicated in neuronal development and may be linked to mental retardation, schizophrenia and seizure. A partially overlapping expression pattern and highly similar protein structures indicate a functional redundancy of srGAPs in neuronal development. Our previous study suggests that srGAP3 negatively regulates neuronal differentiation in a Rac1-dependent manner in mouse Neuro2a cells. Here we show that exogenously expressed srGAP1 and srGAP2 are sufficient to inhibit valporic acid (VPA)-induced neurite initiation and growth in the mouse Neuro2a cells...
2013: PloS One
Ushio Ohtaki, Hiroshi Ozawa, Takehiro Ishizuka, Akiko Kamiishi, Kyoko Sasaki, Suemi Nakajima, Ayako Katayama, Kiyoshi Arimoto, Tatsuhiko Yagihashi, Satoshi Kimiya
OBJECTIVE: The nutritive evaluation and the serum carnitine values were measured for persons with severe motor and intellectual disabilities with enteral (tube) feeding. METHODS: In Shimada Rehabilitation Center, twenty one people who had serum albumin levels of 3.4 g/dl or less, and were taking nutrition with enteral (tube) feeding, were tested. Body weight, blood samples, and serum carnitine levels were measured. RESULTS: The total carnitine value was less than the standard value in 19 patients...
September 2012: No to Hattatsu. Brain and Development
R Shiari, L Bagherzade, M R Alaei
No abstract text is available yet for this article.
November 2011: Iranian Red Crescent Medical Journal
S Sarkar, U Mazumder, D Chowdhury, S K Dey, M Hossain, U K Nag, B K Riaz
Subdural empyema is a known disease entity; however, calcified subdural empyema is uncommon. The authors present a case of an 11-year-old boy in whom there was diagnosed a chronic calcified subdural empyema 10 years after an attack of meningitis. The patient had suffered from generalized tonic clonic seizures occurring 2-6 times in a month. A large fronto-temporo-parietal craniotomy was carried out and the subdural empyema filled with numerous uncharacteristic tissue fragments with thick pus together with the partially calcified and ossified capsule was removed...
April 2012: Mymensingh Medical Journal: MMJ
Ahmet Sukru Umur, Mehmet Selcuki, Adem Bursali, Nurcan Umur, Burcu Kara, H Seda Vatansever, Yusuf Kurtulus Duransoy
PURPOSE: The aim of this study is to elucidate the preventive effect of folic acid (FA) on teratogenic effects of valporic acid (VA) in early stage chick embryos on neural tube development. MATERIALS AND METHODS: One hundred and fifty specific pathogen-free (SPF) chick eggs were used to investigate the neurulation in five groups. Group A was the control group. Group B was injected 0.02 ml of saline (0.9% NaCl) and was used for sham group. VA (0.72 mg) in 0.02 ml saline was injected in Group C, and 0...
May 2012: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Nilesh Shah, Sujit Shenoy, Pradnya Gawde
Four cases of acute manic episode (bipolar-l disorder), not responding to oral valproate or other mood stabilizer and neuroleptics were given injection valproate intravenously. Three out of 4 patients showed good response and tolerance to intravenous valporate.
October 2003: Indian Journal of Psychiatry
M A Meybodi, M Afkhami-Ardekani, M Rashidi
This study was performed to estimate prevalence of transaminase levels in type 2 diabetic patients and identify contributing risk factors. In this cross-sectional study 348 patients with type 2 diabetes, who attended the diabetic clinic of Yazd Diabetes Research Center, were studied from October 2004 to December 2005. Patients with history of viral hepatitis, alcohol abuse and use of drug such as Amiodarone, Bleomycin, methotrexate, tamoxifen and sodium valporate was excluded. To examine the relationships between ALT, AST in individuals with type II diabetes and relation to various metabolic parameters like triglyceride, cholesterol, age, duration of diabetes, gender and BMI...
September 15, 2008: Pakistan Journal of Biological Sciences: PJBS
I-Jun Chou, Kuang-Lin Lin, Huei-Shyong Wang, Chao-Jan Wang
BACKGROUND: Antiepileptic drugs have been shown to be associated with a lowering of bone mineral density in childhood and adolescence, which are critical periods of skeletal mineralization. A lower peak bone mass attained at the end of adolescence is associated with greater involutional osteoporosis and risk for fracture in the elderly. Our purpose was to evaluate the effects of carbamazepine and valproate monotherapy on bone mineral density in children in Taiwan. METHODS: From November 1995 to April 2005, forty-two children with uncomplicated epilepsy, who were treated with either carbamazepine (n=21) or valproate (n=21) monotherapy for more than 6 months, were enrolled in this study...
November 2007: Acta Paediatrica Taiwanica, Taiwan Er Ke Yi Xue Hui za Zhi
K Aslan, H Bozdemir, C Unsal, B Güvenc
The effects of antiepileptic drugs (AED) on the serum concentration of vitamin B12, folic acid and homocysteine (HMC), and erythrocyte folic acid levels were determined in 45 epileptic patients (30 women, 15 men; mean age 31.7 years) and 23 healthy volunteers (control group; 18 women, five men; mean age 33.4 years). All patients were either on carbamazepine (CMZ), oxcarbazepine (OXZ), or valporate (VP) monotherapy. Serum vitamin B12 levels were low in 17.8% of patients and 8.7% of the controls (P = 0.299). Serum homocysteine levels were high in 17...
February 2008: International Journal of Laboratory Hematology
Mahmoud Motamedi, Sahraian Mohammad Ali, Masoud Rahmat
BACKGROUND: Juvenile myoclonic epilepsy is a heterogeneous syndrome, both in genetic and clinical aspects. AIMS: This study was conducted to compare the efficacy of valproic acid in familial versus sporadic cases of this syndrome. SETTINGS AND DESIGN: Seventy patients with JME were identified; 24 patients (34.3%) had positive history of JME in their first degree relatives (group I) and 46 patients (65.7%) were sporadic (group II). MATERIALS AND METHODS: Valproic acid was started for the patients with upward titration...
June 2006: Neurology India
Vahid Shaygannejad, Mohsen Janghorbani, Abbas Ghorbani, Fereshteh Ashtary, Naser Zakizade, Vida Nasr
BACKGROUND: Topiramate and sodium valporate are anticonvulsants, demonstrated to be effective as monotherapy for migraine prevention in placebo-controlled trials. OBJECTIVES: To compare the relative efficacy of topiramate and sodium valporate in the prevention of migraine. PATIENTS AND METHODS: A 24-week, randomized, double-blind, crossover, clinical trial was conducted from October 2003 to September 2004. A total of 64 patients with migraine headache, aged 14 to 57 years, were randomly allocated to the 2 treatment groups...
April 2006: Headache
B Schmitz, L Bergmann
BACKGROUND: Gender aspects are important when assessing the tolerability of antiepileptic drugs (AED). Due to its broad spectrum of action and to the lack of evidence for teratogenicity in monotherapy, lamotrigine (LTG) is an AED of first choice for women with epilepsy with child-bearing potential. METHOD: In an observational study over 6 months including 832 women with epilepsy, we evaluated the efficacy and tolerability of LTG in monotherapy and add-on therapy, with a special focus on parameters of particular importance for women including changes in weight, skin, hair, and patterns of menstruation...
August 2007: Der Nervenarzt
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