Screening and identification of novel inhibitors against human 4-aminobutyrate-aminotransferase: A computational approach

Publication date: Available online 6 June 2018Source: Egyptian Journal of Basic and Applied SciencesAuthor(s): S. Vijayakumar, G. Kasthuri, S. Prabhu, P. Manogar, N. ParameswariAbstract4-Aminobutyrate aminotransferase (GABA) receptors are the key mediators of quick inhibitory synaptic transmission in the midpoint of the nervous system in mammalian. Dysfunction of GABA receptors contributes the genetic disorders and chronic neurological disorders include childhood absence epilepsy, juvenile myoclonic epilepsy, adolescent myoclonic epilepsy, and seizures. They get affected by mutations of GABA subunit genes from the brain. The neurological diseases of Huntington, Alzheimer, Epilepsy and Parkinsonism are affecting due to the mutation of GABA levels. Thus, this study has chosen 32 molecules from thirty-one medicinal plants, after which we executed significant computational approaches such as homology modeling, molecular docking and absorption, distribution, metabolism, and excretion (ADME). In the computational approaches, the analogue O-[(2E)-3-(4-hydroxyphenyl)-2-propenoyl]pentofuranosyl-(1-3) pentopyranosyl-(1-4)pentose showed the superior docking scores of −9.336 with well binding affinities. Moreover, the natural molecules rosmarinic acid, curcumin and mangiferin were close to that of superior one. Based on this scrutinizes, we concluded that the top ranking molecules can be considered as a suitable drug candidate for GABA causing problems.
Source: Egyptian Journal of Basic and Applied Sciences - Category: Science Source Type: research

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Abstract Stem cells are considered to have significant capacity to differentiate into various cell types in humans or animals. Unlike specialized cells, these cells can proliferate several times to produce millions of cells. Nowadays, pluripotent stem cells are important candidates to provide a renewable source for replacement of cells in tissues of interest. The damage to neurons and glial cells in the brain or spinal cord is present in neurological disorders such as Amyotrophic lateral sclerosis, stroke, Parkinson's disease, multiple sclerosis, Alzheimer's disease, Huntington's disease, spinal cord injury, lysos...
Source: Current Stem Cell Research and Therapy - Category: Stem Cells Authors: Tags: Curr Stem Cell Res Ther Source Type: research
Abstract Following the formulation of operational criteria for the diagnosis of psychosis in Parkinson's disease, a neurodegenerative disorder, the past decade has seen increasing interest in such nonmotor psychopathology that appears to be independent of dopaminergic therapy. Similarly, there has been a resurgence of interest in motor aspects of the neurodevelopmental disorder of schizophrenia, including spontaneous parkinsonism that appears to be independent of antipsychotic treatment. This review first addresses the clinical and nosological challenges of these superficially paradoxical insights and then conside...
Source: Acta Pharmacologica Sinica - Category: Drugs & Pharmacology Authors: Tags: Acta Pharmacol Sin Source Type: research
Abstract The endocannabinoid system participates in the regulation of CNS homeostasis and functions, including neurotransmission, cell signaling, inflammation and oxidative stress, as well as neuronal and glial cell proliferation, differentiation, migration and survival. Endocannabinoids are produced by multiple cell types within the CNS and their main receptors, CB1 and CB2, are expressed in both neurons and glia. Signaling through these receptors is implicated in the modulation of neuronal and glial alterations in neuroinflammatory, neurodegenerative and psychiatric conditions, including Alzheimer's, Parkinson's...
Source: Current Neuropharmacology - Category: Drugs & Pharmacology Authors: Tags: Curr Neuropharmacol Source Type: research
Authors: Chayasirisobhon S Abstract Cannabis plant has the scientific name called Cannabis sativa L. Cannabis plant has many species, but there are three main species including Cannabis sativa, Cannabis indica and Cannabis ruderalis. Over 70 compounds isolated from cannabis species are called cannabinoids (CBN). Cannabinoids produce over 100 naturally occurring chemicals. The most abundant chemicals are delta-9-tetrahydrocannabinol (THC) and Cannabidiol (CBD). THC is psychotropic chemical that makes people feel "high" while CBD is nonpsychotropic chemical. However, cannabinoid chemicals are not found only...
Source: Acta Neurologica Taiwanica - Category: Neurology Tags: Acta Neurol Taiwan Source Type: research
CONCLUSIONS: In this review, biological and chemical knowledge of melatonin, its experimental effects, and the clinical impact on patients with neurological disorders were described. According to all of the beneficial results obtained from experimental and clinical trials, melatonin may have a prophylactic and therapeutic effect on neurological diseases. Strong collaboration between neurologists and health service policy makers is needed to encourage use of melatonin in the patients suffering from neurological diseases. Melatonin may be the solution we have been looking for. PMID: 31718830 [PubMed - as supplied by publisher]
Source: Revue Neurologique - Category: Neurology Tags: Rev Neurol (Paris) Source Type: research
Abstract Purinergic signaling was proposed in 1972, after it was demonstrated that adenosine 5'-triphosphate (ATP) was a transmitter in nonadrenergic, noncholinergic inhibitory nerves supplying the guinea-pig taenia coli. Later, ATP was identified as an excitatory cotransmitter in sympathetic and parasympathetic nerves, and it is now apparent that ATP acts as a cotransmitter in most, if not all, nerves in both the peripheral nervous system and central nervous system (CNS). ATP acts as a short-term signaling molecule in neurotransmission, neuromodulation, and neurosecretion. It also has potent, long-term (trophic) ...
Source: Mol Biol Cell - Category: Molecular Biology Authors: Tags: Methods Mol Biol Source Type: research
Our world has never witnessed a time of greater promise for improving human health. Many of today’s health advances have stemmed from a long arc of discovery that begins with strong, steady support for basic science. In large part because of fundamental research funded by the National Institutes of Health (NIH), which traces its roots to 1887, Americans are living longer, healthier lives. Life expectancy for a baby born in the U.S. has risen from 47 years in 1900 to more than 78 years today. Among the advances that have helped to make this possible are a 70% decline in the U.S. death rate from cardiovascular disease ...
Source: TIME: Science - Category: Science Authors: Tags: Uncategorized Healthcare medicine Source Type: news
Astrocytes are a population of cells with distinctive morphological and functional characteristics that differ within specific areas of the brain. Postnatally, astrocyte progenitors migrate to reach their brain area and related properties. They have a regulatory role of brain functions that are implicated in neurogenesis and synaptogenesis, controlling blood–brain barrier permeability and maintaining extracellular homeostasis. Mature astrocytes also express some genes enriched in cell progenitors, suggesting they can retain proliferative potential. Considering heterogeneity of cell population, it is not surprising th...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Publication date: 15 September 2019Source: Life Sciences, Volume 233Author(s): Nandini H S, Yam Nath Paudel, Krishna K LAbstractEpilepsy is a neurological disorder characterized by an enduring predisposition to generate and aggravate epileptic seizures affecting around 1% of global population making it a serious health concern. Despite the recent advances in epilepsy research, no disease-modifying treatment able to terminate epileptogenesis have been reported yet reflecting the complexity in understanding the disease pathogenesis. To overcome the current treatment gap against epilepsy, one effective approach is to explore ...
Source: Life Sciences - Category: Biology Source Type: research
Publication date: Available online 6 July 2019Source: MitochondrionAuthor(s): Yuanbo Wu, Meiqiao Chen, Jielong JiangAbstractMitochondrial dysfunction is becoming one of the most emerging pathological process in the etiology of neurological disorders. Other common etiologies of the neurological disorders are aging and oxidative stress. Neurodegenerative disorders for instance Huntington's disease, Parkinson's disease, Amyotrophic lateral sclerosis, Epilepsy, Schizophrenia, Multiple sclerosis, Neuropathic pain and Alzheimer's disease involves mitochondrial dysfunction and is regarded as the core of their pathological process...
Source: Mitochondrion - Category: Biochemistry Source Type: research
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