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Gad2 gene

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https://www.readbyqxmd.com/read/28245795/in-search-of-druggable-targets-for-gbm-amino-acid-metabolism
#1
Eduard H Panosyan, Henry J Lin, Jan Koster, Joseph L Lasky
BACKGROUND: Amino acid (AA) pathways may contain druggable targets for glioblastoma (GBM). Literature reviews and GBM database ( http://r2.amc.nl ) analyses were carried out to screen for such targets among 95 AA related enzymes. METHODS: First, we identified the genes that were differentially expressed in GBMs (3 datasets) compared to non-GBM brain tissues (5 datasets), or were associated with survival differences. Further, protein expression for these enzymes was also analyzed in high grade gliomas (HGGs) (proteinatlas...
February 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28229923/epigenetic-regulation-of-reln-and-gad1-in-the-frontal-cortex-fc-of-autism-spectrum-disorder-asd-subjects
#2
Adrian Zhubi, Ying Chen, Alessandro Guidotti, Dennis R Grayson
Both Reelin (RELN) and glutamate decarboxylase 67 (GAD1) have been implicated in the pathophysiology of Autism Spectrum Disorders (ASD). We have previously shown that both mRNAs are reduced in the cerebella (CB) of ASD subjects through a mechanism that involves increases in the amounts of MECP2 binding to the corresponding promoters. In the current study, we examined the expression of RELN, GAD1, GAD2, and several other mRNAs implicated in this disorder in the frontal cortices (FC) of ASD and CON subjects. We also focused on the role that epigenetic processes play in the regulation of these genes in ASD brain...
February 13, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28122016/gad1-gene-expression-in-blood-of-patients-with-first-episode-psychosis
#3
Jie Yin Yee, Milawaty Nurjono, Stephanie Ruth Teo, Tih-Shih Lee, Jimmy Lee
γ-Aminobutyric acid (GABA), the primary inhibitory neurotransmitter, has often been studied in relation to its role in the pathophysiology of schizophrenia. GABA is synthesized from glutamate by glutamic acid decarboxylase (GAD), derived from two genes, GAD1 and GAD2. GAD1 is expressed as both GAD67 and GAD25 mRNA transcripts with the former reported to have a lower expression level in schizophrenia compared to healthy controls and latter was reported to be predominantly expressed fetally, suggesting a role in developmental process...
2017: PloS One
https://www.readbyqxmd.com/read/27983964/functional-consequences-of-i56ii-dlx-enhancer-deletion-in-the-developing-mouse-forebrain
#4
S Fazel Darbandi, L Poitras, S Monis, S Lindtner, M Yu, G Hatch, J L Rubenstein, M Ekker
Dlx homeobox genes encode a group of transcription factors that play an essential role during developmental processes including maintaining the differentiation, proliferation and migration of GABAergic interneurons. The Dlx1/2 and Dlx5/6 genes are expressed in the forebrain and are arranged in convergently transcribed bigene clusters, with I12a/I12b and I56i/I56ii cis-regulatory elements (CREs) located in the intergenic region of each cluster respectively. We have characterized the phenotypic consequences of deleting I56ii on forebrain development and spatial patterning of corridor cells that are involved in guiding thalamocortical projections...
October 27, 2016: Developmental Biology
https://www.readbyqxmd.com/read/27967329/association-of-polymorphisms-in-gad1-and-gad2-genes-with-methamphetamine-dependence
#5
Siriluk Veerasakul, Paritat Watiktinkorn, Samur Thanoi, Gavin P Reynolds, Sutisa Nudmamud-Thanoi
AIM: Association between polymorphisms in GAD genes and methamphetamine (METH) dependence was investigated in the Thai population. MATERIALS & METHODS: Genotypes of rs769404 and rs701492 in GAD1 and rs2236418 in GAD2 polymorphisms were determined in 100 METH-dependent male subjects and 102 matched controls. RESULTS: The genotype and allele frequencies of rs2236418 (GAD2) were associated with METH dependence and METH with psychosis, in which the G allele was related to increased risk...
January 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/27461130/three-distinct-glutamate-decarboxylase-genes-in-vertebrates
#6
Brian P Grone, Karen P Maruska
Gamma-aminobutyric acid (GABA) is a widely conserved signaling molecule that in animals has been adapted as a neurotransmitter. GABA is synthesized from the amino acid glutamate by the action of glutamate decarboxylases (GADs). Two vertebrate genes, GAD1 and GAD2, encode distinct GAD proteins: GAD67 and GAD65, respectively. We have identified a third vertebrate GAD gene, GAD3. This gene is conserved in fishes as well as tetrapods. We analyzed protein sequence, gene structure, synteny, and phylogenetics to identify GAD3 as a homolog of GAD1 and GAD2...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27252915/association-of-the-243a-g-61450c-a-polymorphisms-of-the-glutamate-decarboxylase-2-gad2-gene-with-obesity-and-insulin-level-in-north-indian-population
#7
Jai Prakash, Balraj Mittal, Shally Awasthi, Neena Srivastava
BACKGROUND: Obesity associated with type 2 diabetes, and hypertension increased mortality and morbidity. Glutamate decarboxylase 2 (GAD2) gene is associated with obesity and it regulate food intake and insulin level. We investigated the association of GAD-2gene -243A>G (rs2236418) and +61450C>A (rs992990) polymorphisms with obesity and related phenotypes. METHODS: Insulin, glucose and lipid levels were estimated using standard protocols. All subjects were genotyped (PCR-RFLP) method...
April 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27057733/atp13a2-expression-in-the-periaqueductal-gray-is-decreased-in-the-pink1-rat-model-of-parkinson-disease
#8
Cynthia A Kelm-Nelson, Sharon A Stevenson, Michelle R Ciucci
Vocal communication deficits are common in Parkinson disease (PD). Widespread alpha-synuclein pathology is a common link between familial and sporadic PD, and recent genetic rat models based on familial genetic links increase the opportunity to explore vocalization deficits and their associated neuropathologies. Specifically, the Pink1 knockout (-/-) rat presents with early, progressive motor deficits, including significant vocal deficits, at 8 months of age. Moreover, this rat model exhibits alpha-synuclein pathology compared to age-matched non-affected wildtype (WT) controls...
May 16, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/26848839/gad2-alternative-transcripts-in-the-human-prefrontal-cortex-and-in-schizophrenia-and-affective-disorders
#9
Kasey N Davis, Ran Tao, Chao Li, Yuan Gao, Marjorie C Gondré-Lewis, Barbara K Lipska, Joo Heon Shin, Bin Xie, Tianzhang Ye, Daniel R Weinberger, Joel E Kleinman, Thomas M Hyde
Genetic variation and early adverse environmental events work together to increase risk for schizophrenia. γ-aminobutyric acid (GABA), the major inhibitory neurotransmitter in adult mammalian brain, plays a major role in normal brain development, and has been strongly implicated in the pathobiology of schizophrenia. GABA synthesis is controlled by two glutamic acid decarboxylase (GAD) genes, GAD1 and GAD2, both of which produce a number of alternative transcripts. Genetic variants in the GAD1 gene are associated with increased risk for schizophrenia, and reduced expression of its major transcript in the human dorsolateral prefrontal cortex (DLPFC)...
2016: PloS One
https://www.readbyqxmd.com/read/26539026/kcc2-expression-supersedes-nkcc1-in-mature-fiber-cells-in-mouse-and-rabbit-lenses
#10
Peter H Frederikse, Chinnaswamy Kasinathan
PURPOSE: Na-K-Cl cotransporter 1 (NKCC1) and K-Cl cotransporter 2 (KCC2) have fundamental roles in neuron differentiation that are integrated with gamma-aminobutyric acid (GABA) and glutamate receptors, GABA synthesized by GAD25/65/67 encoded by GAD1/GAD2 genes, and GABA transporters (GATs). Cells in the eye lens express at least 13 GABA receptor subunits, α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) and N-methyl D-aspartate (NMDA) glutamate receptors, GAD1/GAD2, GAT1-4 and vGAT, and NKCC1...
2015: Molecular Vision
https://www.readbyqxmd.com/read/26388520/genes-in-the-gaba-pathway-increase-in-the-lateral-thalamus-of-sprague-dawley-rats-during-the-proestrus-estrus-phase
#11
Mikhail Umorin, Crystal Stinson, Larry L Bellinger, Phillip R Kramer
Pain can vary over the estrous cycle as a result of changes in estradiol concentration but the mechanism causing this variation is unclear. Because the thalamus is important in pain control, gene expression in the lateral thalamus (ventral posteromedial, ventral posterolateral, reticular thalamic nuclei) was screened at different phases of the estrous cycle. Gene expression changes in Sprague-Dawley rats were further analyzed by real-time PCR and ELISA and plasma estradiol levels were measured by RIAs at different phases of the estrous cycle...
May 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/26076353/a-transgenic-mouse-line-expressing-the-red-fluorescent-protein-tdtomato-in-gabaergic-neurons
#12
Stefanie Besser, Marit Sicker, Grit Marx, Ulrike Winkler, Volker Eulenburg, Swen Hülsmann, Johannes Hirrlinger
GABAergic inhibitory neurons are a large population of neurons in the central nervous system (CNS) of mammals and crucially contribute to the function of the circuitry of the brain. To identify specific cell types and investigate their functions labelling of cell populations by transgenic expression of fluorescent proteins is a powerful approach. While a number of mouse lines expressing the green fluorescent protein (GFP) in different subpopulations of GABAergic cells are available, GFP expressing mouse lines are not suitable for either crossbreeding to other mouse lines expressing GFP in other cell types or for Ca2+-imaging using the superior green Ca2+-indicator dyes...
2015: PloS One
https://www.readbyqxmd.com/read/26041923/functional-upregulation-of-%C3%AE-4-nicotinic-acetylcholine-receptors-in-vta-gabaergic-neurons-increases-sensitivity-to-nicotine-reward
#13
Jennifer Ngolab, Liwang Liu, Rubing Zhao-Shea, Guangping Gao, Paul D Gardner, Andrew R Tapper
Chronic nicotine exposure increases sensitivity to nicotine reward during a withdrawal period, which may facilitate relapse in abstinent smokers, yet the molecular neuroadaptation(s) that contribute to this phenomenon are unknown. Interestingly, chronic nicotine use induces functional upregulation of nicotinic acetylcholine receptors (nAChRs) in the mesocorticolimbic reward pathway potentially linking upregulation to increased drug sensitivity. In the ventral tegmental area (VTA), functional upregulation of nAChRs containing the α4 subunit (α4* nAChRs) is restricted to GABAergic neurons...
June 3, 2015: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/25966064/relationship-between-serum-gad-ab-and-the-genetic-polymorphisms-of-gad2-and-type-2-diabetes-mellitus
#14
Q Li, Z R Qiao, D B Liu, J T Zeng, J Zhang, Y Bo, H Y Zu, Q Hu, X Wu, S S Dong
In this study, we investigated the relationship between serum glutamic acid decarboxylase (GAD) autoantibody (Ab) levels and single nucleotide polymorphisms (SNPs) of the glutamic acid de-carboxylase 2 (GAD2) 5'-untranslated region and the susceptibility to type 2 diabetes in the Han population. The distributions of patients with SNPs in the GAD2 5'-untranslated region (rs2236418, rs185649317, and rs8190590) and type 2 diabetes and that of the healthy group were genotyped and analyzed using Sequenom MassArray SNP genotyp-ing...
2015: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/25950486/neuronal-developmental-gene-and-mirna-signatures-induced-by-histone-deacetylase-inhibitors-in-human-embryonic-stem-cells
#15
K Meganathan, S Jagtap, S P Srinivasan, V Wagh, J Hescheler, J Hengstler, M Leist, A Sachinidis
Human embryonic stem cells (hESCs) may be applied to develop human-relevant sensitive in vitro test systems for monitoring developmental toxicants. The aim of this study was to identify potential developmental toxicity mechanisms of the histone deacetylase inhibitors (HDAC) valproic acid (VPA), suberoylanilide hydroxamic acid (SAHA) and trichostatin A (TSA) relevant to the in vivo condition using a hESC model in combination with specific differentiation protocols and genome-wide gene expression and microRNA profiling...
2015: Cell Death & Disease
https://www.readbyqxmd.com/read/25852071/brainstem-brain-derived-neurotrophic-factor-signaling-is-required-for-histone-deacetylase-inhibitor-induced-pain-relief
#16
Wenjuan Tao, Quan Chen, Lu Wang, Wenjie Zhou, Yunping Wang, Zhi Zhang
Our previous study demonstrated that persistent pain can epigenetically suppress the transcription of Gad2 [encoding glutamic acid decarboxylase 65 (GAD65)] and consequently impair the inhibitory function of GABAergic synapses in central pain-modulating neurons. This contributes to the development of persistent pain sensitization. Histone deacetylase (HDAC) inhibitors increased GAD65 activity considerably, restored GABA synaptic function, and rendered sensitized pain behavior less pronounced. However, the molecular mechanisms by which HDAC regulates GABAergic transmission through GAD65 under pain conditions are unknown...
June 2015: Molecular Pharmacology
https://www.readbyqxmd.com/read/25500389/investigating-boundaries-of-survival-growth-and-expression-of-genes-associated-with-stress-and-virulence-of-listeria-monocytogenes-in-response-to-acid-and-osmotic-stress
#17
I P Makariti, A Printezi, A E Kapetanakou, N Zeaki, P N Skandamis
The objective of this study was to correlate the relative transcription of Listeria monocytogenes (strains C5, 6179) stress- (gad2, sigB) and virulence- (prfA) associated genes following habituation at twenty-five pH (4.8, 5.0, 5.2, 5.5, 6.4) and NaCl (2, 4, 6, 8, 10% w/v) combinations at 7 °C, with the survival against subsequent exposure to severe acid stress (pH 2.0 at 37 °C). Our findings pointed out the inter-strain variation governing growth inhibiting conditions (pH ≤5.0 and NaCl ≥6%), where C5 was less affected (a reduction of 2...
February 2015: Food Microbiology
https://www.readbyqxmd.com/read/25423262/transcriptional-evidence-for-the-role-of-chronic-venlafaxine-treatment-in-neurotrophic-signaling-and-neuroplasticity-including-also-glutamatergic-corrected-and-insulin-mediated-neuronal-processes
#18
Viola Tamási, Peter Petschner, Csaba Adori, Eszter Kirilly, Romeo D Ando, Laszlo Tothfalusi, Gabriella Juhasz, Gyorgy Bagdy
OBJECTIVES: Venlafaxine (VLX), a serotonine-noradrenaline reuptake inhibitor, is one of the most commonly used antidepressant drugs in clinical practice for the treatment of major depressive disorder (MDD). Despite being more potent than its predecessors, similarly to them, the therapeutical effect of VLX is visible only 3-4 weeks after the beginning of treatment. Furthermore, recent papers show that antidepressants, including also VLX, enhance the motor recovery after stroke even in non depressed persons...
2014: PloS One
https://www.readbyqxmd.com/read/25333703/allelic-loss-at-chromosome-11q13-alters-fgf3-gene-expression-in-a-human-breast-cancer-progression-model
#19
Debasish Roy, Gloria M Calaf
Identification of markers with the potential to predict tumorigenic behavior is important in breast cancer, due to the variability in clinical disease progression. Genetic alterations during neoplastic progression may appear as changes in total DNA content, single genes, or gene expression. Oncogenic alterations are thought to be prognostic indices for patients with breast cancer. Breast cancer deregulation can occur in the normal cellular process and can be measured by microsatellite instability (MSI)/loss of heterozygosity (LOH)...
December 2014: Oncology Reports
https://www.readbyqxmd.com/read/25322942/glutamic-acid-decarboxylase-1-alternative-splicing-isoforms-characterization-expression-and-quantification-in-the-mouse-brain
#20
Stefan Trifonov, Yuji Yamashita, Masahiko Kase, Masato Maruyama, Tetsuo Sugimoto
BACKGROUND: GABA has important functions in brain plasticity related processes like memory, learning, locomotion and during the development of the nervous system. It is synthesized by the glutamic acid decarboxylase (GAD). There are two isoforms of GAD, GAD1 and GAD2, which are encoded by different genes. During embryonic development the transcription of GAD1 mRNA is regulated by alternative splicing and several alternative transcripts were distinguished in human, mouse and rat. Despite the fact that the structure of GAD1 gene has been extensively studied, knowledge of its exact structural organization, alternative promoter usage and splicing have remained incomplete...
2014: BMC Neuroscience
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