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P Gogol
The aim of the study was to evaluate, the ability of a GnRH synthetic analogue [des-Gly10, D-Ala6]-LH-RH ethylamide to induce ovulation in rabbit does using intravaginal administration. A total of 138 primiparous lactating does were randomly divided into 4 groups that at the time of insemination received following treatments for ovulation induction: 1 μg of buserelin administered intramuscularly (control group); 5 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D5 group); 10 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D10 group); 15 μg of [des-Gly10, D-Ala6]-LH-RH ethylamide added to the semen dose (D15 group)...
September 1, 2016: Polish Journal of Veterinary Sciences
Miguel Hernández-Cerón, Juan Carlos Martínez-Lazcano, Carmen Rubio, Verónica Custodio, Edith González-Guevara, Carlos Castillo-Pérez, Carlos Paz
Lesions of the cerebellar dentate nucleus (DN) reduce the after-discharge duration induced by repetitive kindling stimulation and decrease seizures to a lower rank according to Racine's scale. The DN sends cholinergic and glutamatergic fibers to the red nucleus (RN), which is composed of glutamatergic and GABAergic cells. To test the participation of these neurotransmitters in seizures, we compared the levels of glutamate and gamma-aminobutyric acid (GABA) at the RN in a control condition, a kindled stage, and a kindled stage followed by DN lesions...
October 18, 2016: Journal of Neuroscience Research
Awanish Mishra, Rajesh Kumar Goel
Our previous studies have suggested a strong involvement of serotonergic innervations in epileptogenesis and associated memory impairment. Several studies have suggested that the modulation of 5-HT3 receptors could serve as a promising tool for the management of epilepsy and memory deficit. The present study was envisaged to confirm this hypothesis. In this study, kindling was induced in male Swiss Albino mice by using a subconvulsive dose of pentylenetetrazole (PTZ) (35 mg/kg at 48±2 h). Once the animals were kindled, they were treated with a vehicle, ondansetron (0...
October 13, 2016: Neuroscience
Elham Kordijaz, Ali Moghimi, Masoud Fereidoni, Saeedeh Asadi, Ali Shamsizadeh, Ali Roohbakhsh
Convulsive seizures are due to abnormal synchronous and repetitive neuronal discharges in the central nervous system (CNS). Finding new therapeutics to overcome the side effects of the current drug therapies and to increase their effectiveness is ongoing. Orexin-A and orexin-B are brain neuropeptides originating from postero-lateral hypothalamic neurons. Studies show that orexins, through activation of OX1 and OX2 receptors, have excitatory effects in the CNS. Accordingly, the present study was designed to evaluate the effect of OX1 receptor antagonist (SB-334867) on seizure- and anxiety-related behaviors of pentylenetetrazol (PTZ) kindled rats...
October 14, 2016: Fundamental & Clinical Pharmacology
Bing Zhang, Jia-Wei Zhang, Wei-Ping Wang, Rui-Fang Dong, Shuang Tian, Chao Zhang
PURPOSE: Lamotrigine (LTG) is a broad-spectrum antiepileptic drug that is widely used in clinic. However, the effect of LTG on cognition and neurodegeneration during epilepsy treatment remains controversial. In this study, we compared the cognitive effects of LTG and sodium valproate in pentylenetetrazole (PTZ)-kindled animal model, and the dose dependency was tested for LTG. METHODS: PTZ-kindled animals were divided into the following treatment groups: control group, treated with 3...
October 12, 2016: Synapse
Germain Sotoing Taiwe, Thierry Bang Tchoya, Joseph Renaud Menanga, Bernard Dabole, Michel De Waard
ETHNOPHARMACOLOGICAL RELEVANCE: The leaf extract of Crinum jagus L. (Amaryllidaceae) is widely used in traditional Cameroonian medicine as antiepileptic remedy and for the treatment of convulsion, depression and mood disorders associated with epilepsy. AIM OF THE STUDY: Hence, this study was conducted to evaluate the effects of an active fraction extracted from the leaves of Crinum jagus against seizures, depression-like behaviour and oxidative stress in pentylenetetrazole (PTZ)-induced kindling in mice...
October 7, 2016: Journal of Ethnopharmacology
Jharna Mandal, Dinoop Korol Ponnambath, Subhash Chandra Parija
Published scientific research breeds the development of clinical management guidelines and pathways. Currently, scholarly proficiency is assessed using numerous primitive metrics for incentives that can kindle publication of hoax or flawed research content. Such flawed data can lead to wastage of resources, time, and most importantly harm to the society. Authors, editors, and peer reviewers need to be genuine in conducting, analyzing, and publication of scientific research. Institutions need to be aware and utilize advanced metrics to assess the scientific reputation of researchers...
July 2016: Tropical Parasitology
Nele Stahlmann, Nora Eisemann, Ute Thyen, Egbert Herting, Marion Rapp
Background Little is known about the psychosocial development and health-related quality of life (HRQOL) of extremely preterm infants once they are adolescents. Methods The regional population-based study cohort included 90 extremely premature infants (< 27(+0) gestational weeks) born between January 1997 and December 1999 in the German state of Schleswig-Holstein. In addition to a neurological and cognitive Wechsler Intelligence Scale for Children, 4th edition assessment, self- and parent-reported psychological problems (Strengths and Difficulties Questionnaire), and health-related quality of life (KINDL(R)) were obtained and compared with a general population of 3,737 adolescents using data from a German Health Interview and Examination Survey for Children and Adolescents (KiGGS survey 2003-2006, Robert Koch Institute, Germany)...
October 4, 2016: Neuropediatrics
M Y Al-Shorbagy, Noha N Nassar
In the present study, the role of octreotide (OCT) in pentylenetetrazole (PTZ) kindling as well as in acute convulsion models was evaluated. Mice were allocated in groups as (1) control saline; (2) acute PTZ (PTZ-a; 60 mg/kg, i.p.), as a single convulsive dose; and (3) kindled (PTZ-k) receiving nine subconvulsive doses of PTZ (40 mg/kg, i.p.) for 17 days. Groups 4-7 received either valproic acid (VPA) 50 mg/kg or OCT (50 μg/kg, Sandostatin®) 30 min by oral gavage before PTZ-a or PTZ-k. The median seizure stage, latency onset of first stage 4/5 seizures, and incidence of convulsing animals were recorded...
October 1, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
Manveen Bhardwaj, Anil Kumar
BACKGROUND: Neuroinflammation, oxidative stress and mitochondrial dysfunction play a significant role to explain the pathophysiology of epilepsy. Neuroinflammation through microglia activation has been documented in epileptogenesis. Compounds which inhibit activation of glial cells have been suggested as one of the treatment approaches for the effective treatment of epilepsy. The present study has been designed to investigate the role of coenzyme Q10 and its interaction with minocycline (microglia inhibitor) against pentylenetetrazol induced kindling epilepsy...
July 22, 2016: Pharmacological Reports: PR
Anne Deisenroth, Regine Söntgerath, Anne Judith Schuster, Christine von Busch, Gerhard Huber, Katharina Eckert, Andreas E Kulozik, Joachim Wiskemann
Cancer- and treatment-related side effects in patients with childhood cancer may cause limitations in motor performance affecting activities of daily living (ADLs). Data focusing on long-term effects are available, but little is known with regard to the short-term perspective. Therefore, the purpose of this study was to assess muscle strength performance and quality of life (QoL) in children and adolescents with cancer at the beginning of primary treatment. Forty children and adolescents aged 5-18 years (mean: 11...
October 3, 2016: Pediatric Hematology and Oncology
Emilio Russo, Rita Citraro, Andrew Constanti, Antonio Leo, Annika Lüttjohann, Gilles van Luijtelaar, Giovambattista De Sarro
The WAG/Rij rat model has recently gathered attention as a suitable animal model of absence epileptogenesis. This latter term has a broad definition encompassing any possible cause that determines the development of spontaneous seizures; however, most of, if not all, preclinical knowledge on epileptogenesis is confined to the study of post-brain insult models such as traumatic brain injury or post-status epilepticus models. WAG/Rij rats, but also synapsin 2 knockout, Kv7 current-deficient mice represent the first examples of genetic models where an efficacious antiepileptogenic treatment (ethosuximide) was started before seizure onset...
September 26, 2016: Neuroscience and Biobehavioral Reviews
Alexander Bryson, Helen Gardner, Ian Wilson, Tim Rolfe, John Archer
Maintenance electroconvulsive therapy (ECT) is sometimes prescribed for refractory psychiatric conditions. We describe five patients who received maintenance ECT and developed florid temporal epileptiform abnormalities on electroencephalography (EEG) despite no history of epilepsy and normal neuroimaging. All patients had received regular ECT for at least 8 months. Three patients had clinical events consistent with epileptic seizures, and video-EEG monitoring captured electrographic seizures in two patients...
September 26, 2016: Epilepsia
Mostafa Jalilifar, Ali Yadollahpour, Ahmad Ali Moazedi, Zohreh Ghotbeddin
PURPOSE: Determining different seizure stage specific features in a kindling model is a crucial step in developing efficient objective techniques for early prediction and treatment of seizures. This study identified and categorized kindling stages based on their electrophysiological features through processing extracellular field potentials of Amygdala rapid kindling. METHODS: Thirteen Wistar rats (200±10g) were divided into 2 groups including kindle (n=7) and sham (n=6) and respectively underwent an amygdala rapid kindling and placebo stimulation...
September 19, 2016: Brain Research Bulletin
Mohammad Gol, Davoud Ghorbanian, Samaneh Hassanzadeh, Mohammad Javan, Javad Mirnajafi-Zadeh, Maryam Ghasemi-Kasman
Recent evidence indicates that demyelination occurs in epilepsy patients and kindling animal models. Regarding the well-known literature on anti-inflammatory and myelin protective effects of fingolimod (FTY720) in multiple sclerosis patients and animal models, we hypostatized whether FTY720 administration could exert myelin protective effects in pentylenetetrazol (PTZ)-induced kindling model. To end this, animals received 0.3 or 1mg/kg dosage of FTY720, 1h before PTZ injections. In another approach, after achieving fully kindling stage, FTY720 was administrated i...
September 12, 2016: European Journal of Pharmaceutical Sciences
Leonardo T Totola, Ana C Takakura, José Antonio C Oliveira, Norberto Garcia-Cairasco, Thiago S Moreira
Respiratory disorders may involve changes in serotonergic neurotransmission at the level of the chemosensitive neurons located in the retrotrapezoid nucleus (RTN). Here, we investigated the central respiratory chemoreflex and the role of serotonergic neurotransmission in the RTN with a rat model of tonic-clonic seizures, the Wistar Audiogenic Rat (WAR). We found that naïve or kindled WAR animals have reduced resting ventilation and ventilatory response to hypercapnia (7% CO2 ). The number of chemically-coded (Phox2b(+) /TH(-) ) RTN neurons, as well as the serotonergic innervation to the RTN, was reduced in WARs...
September 16, 2016: Journal of Physiology
Kristin D Martinsen, Simon-Peter Neumer, Solveig Holen, Trine Waaktaar, Anne Mari Sund, Philip C Kendall
BACKGROUND: Anxiety and depressive symptoms are common in childhood, however problems in need of intervention may not be identified. Children at risk for developing more severe problems can be identified based on elevated symptom levels. Quality of life and self-esteem are important functional domains and may provide additional valuable information. METHODS: Schoolchildren (n = 915), aged 9-13, who considered themselves to be more anxious or sad than their peers, completed self-reports of anxiety (Multidimensional Anxiety Scale for children (MASC-C), depression (The Short Mood and Feelings Questionnaire; SMFQ), quality of life (Kinder Lebensqualität Fragebogen; KINDL) and self-esteem (Beck self-concept inventory for youth (BSCI-Y) at baseline of a randomized controlled indicative study...
2016: BMC Psychology
Karolina Kołosowska, Piotr Maciejak, Janusz Szyndler, Danuta Turzyńska, Alicja Sobolewska, Adam Płaźnik
In our study, we used rapid electrical hippocampal kindling and in vivo microdialysis methods to assess the involvement of inflammatory mediators: lipopolysaccharide (LPS) and proinflammatory interleukin-1β (IL-1β) in mechanisms of epileptogenesis. We observed, that both, LPS and IL-1β, administered into stimulated hippocampus, accelerated kindling process. LPS also increased the expression of IL-1β in stimulated hippocampus in kindled rats. In vivo acute LPS perfusion, via a microdialysis cannula implanted into the naïve rat's hippocampus, produced an increase in extracellular glutamate release...
September 15, 2016: Journal of Neuroimmunology
Monica Hunsberger, Susanna Lehtinen-Jacks, Kirsten Mehlig, Wencke Gwozdz, Paola Russo, Nathalie Michels, Karin Bammann, Iris Pigeot, Juan Miguel Fernández-Alvira, Barbara Franziska Thumann, Dénes Molnar, Toomas Veidebaum, Charalambos Hadjigeorgiou, Lauren Lissner
BACKGROUND: The negative impact of childhood overweight on psychosocial well-being has been demonstrated in a number of studies. There is also evidence that psychosocial well-being may influence future overweight. We examined the bidirectional association between childhood overweight and psychosocial well-being in children from a large European cohort. The dual aim was to investigate the chronology of associations between overweight and psychosocial health indicators and the extent to which these associations may be explained by parental education...
2016: BMC Public Health
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