introduction: anethole is the main constituent of pimpinella anisum l. (anise), a herbaceous annual plant which has several therapeutic effects. in the folk medicine, anise is employed as an antiepileptic drug. specifically, this study was focused on the cellular effect of anethole, an aromatic compound in essential oils from anise and camphor. anethole has various physiological effects on the ...

introduction: the functional effects of orexin-b on the calcium spikes and excitability of the neuronal soma membrane of garden snail, helix aspersa were studied. methods: conventional intracellular recording, under the current clamp conditions was performed to examine the effects of orexin-b on the configuration and electrophysiological properties of calcium spikes. results: application of ore...

introduction: antibiotic supplements are regularly used in neuronal culture media to control contamination however, they can interfere with the neuronal excitability and affect electrophysiological properties. therefore, in this study, the effect of penicillin/streptomycin supplements on the spontaneous electrophysiological activity of hippocampal pyramidal neurons was examined. methods: electr...

Introduction: Antibiotic supplements are regularly used in neuronal culture media to control contamination however, they can interfere with the neuronal excitability and affect electrophysiological properties. Therefore, in this study, the effect of penicillin/streptomycin supplements on the spontaneous electrophysiological activity of hippocampal pyramidal neurons was examined. Methods: Electr...

BACKGROUND. Neuronal hyperexcitability characterizes the early stages of Alzheimer’s disease (AD). In animals, misfolded tau and amyloid-β (Aβ) protein accumulation — both central to AD neuropathology promote cortical excitability neuronal network dysfunction. healthy humans, Aβ aggregates are first detected, respectively, in brainstem frontomedial temporobasal cortices, decades prior onset cog...

multiple sclerosis is an autoimmune cns-disease characterized by inflammatory neurodegenerative events occurring with de- and remyelination. recent evidence show that demyelinated neurons are less excitable than myelinated ones while at early stages of remyelination these neurons seem to be hyperexcitable. the latter is a transitory condition that, very likely, leads to impaired neuronal networ...

Introduction: The functional effects of orexin-B on the calcium spikes and excitability of the neuronal soma membrane of garden snail, Helix aspersa were studied. Methods: Conventional intracellular recording, under the current clamp conditions was performed to examine the effects of orexin-B on the configuration and electrophysiological properties of calcium spikes. Results: Application o...

Kindling is a very suitable animal model for studying basis mechanisms of epilepsy. In this model , repeated exposure to weak electrical or chemical increases neuronal excitability and there fore decreases the threshold for induction of epileptic seizures. According to abundant distribution of opioid peptides and their receptors in different brain structures and also the role of these receptors...