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GABA AND Oral

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https://www.readbyqxmd.com/read/28808187/g-aminobutyric-acid-promotes-methionine-choline-deficient-diet-induced-nonalcoholic-steatohepatitis
#1
Yoon Seok Roh, Ara Cho, Zixiong Zhou, Hyuneui Jeong, Jeong-Eun Park, Youn-Soo Cha, Suk-Heung Oh, Chae-Woong Lim, Bumseok Kim
Nonalcoholic steatohepatitis (NASH) is one of the most common liver diseases and a major cause of liver fibrosis worldwide. G-Aminobutyric acid (GABA) is one of the most abundant inhibitory neurotransmitters in the central nervous system. Recently, it has been reported that GABAergic signaling pathways are found in various non-neuronal tissues including the immune system and play a functional role. In the present study, we investigated whether administration of GABA has effects on NASH through its immunomodulatory effects...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28760161/mutation-induced-loss-of-app-function-causes-gabaergic-depletion-in-recessive-familial-alzheimer-s-disease-analysis-of-osaka-mutation-knockin-mice
#2
Tomohiro Umeda, Tetsuya Kimura, Kayo Yoshida, Keizo Takao, Yuki Fujita, Shogo Matsuyama, Ayumi Sakai, Minato Yamashita, Yuki Yamashita, Kiyouhisa Ohnishi, Mamiko Suzuki, Hiroshi Takuma, Tsuyoshi Miyakawa, Akihiko Takashima, Takashi Morita, Hiroshi Mori, Takami Tomiyama
The E693Δ (Osaka) mutation in APP is linked to familial Alzheimer's disease. While this mutation accelerates amyloid β (Aβ) oligomerization, only patient homozygotes suffer from dementia, implying that this mutation is recessive and causes loss-of-function of amyloid precursor protein (APP). To investigate the recessive trait, we generated a new mouse model by knocking-in the Osaka mutation into endogenous mouse APP. The produced homozygous, heterozygous, and non-knockin littermates were compared for memory, neuropathology, and synaptic plasticity...
July 31, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28748374/alterations-in-amino-acid-levels-in-mouse-brain-regions-after-adjunctive-treatment-of-brexpiprazole-with-fluoxetine-comparison-with-r-ketamine
#3
Min Ma, Qian Ren, Yuko Fujita, Chun Yang, Chao Dong, Yuta Ohgi, Takashi Futamura, Kenji Hashimoto
RATIONALE: Brexpiprazole, a serotonin-dopamine activity modulator, is approved in the USA as an adjunctive therapy to antidepressants for treating major depressive disorders. Similar to the N-methyl-D-aspartate receptor (NMDAR) antagonist ketamine, the combination of brexpiprazole and fluoxetine has demonstrated antidepressant-like effects in animal models of depression. OBJECTIVES: The present study was conducted to examine whether the combination of brexpiprazole and fluoxetine could affect the tissue levels of amino acids [glutamate, glutamine, γ-aminobutyric acid (GABA), D-serine, L-serine, and glycine] that are associated with NMDAR neurotransmission...
July 26, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28741622/in-vivo-detection-of-cpp-115-target-engagement-in-human-brain
#4
Andrew P Prescot, Steven R Miller, Gary Ingenito, Rebekah S Huber, Douglas G Kondo, Perry F Renshaw
CPP-115, a next-generation γ-amino butyric acid (GABA)-aminotransferase (AT) inhibitor, shows comparable pharmacokinetics, improved safety and tolerability, and a more favorable toxicity profile when compared to vigabatrin. The pharmacodynamic characteristics of CPP-115 remain to be evaluated. The present study employed state-of-the-art proton magnetic resonance spectroscopy techniques to measure changes in brain GABA+ (the composite resonance of GABA, homocarnosine, and macromolecules) concentrations in healthy subjects receiving oral daily doses of CPP-115 or placebo...
July 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28725548/age-dependent-lasting-effects-of-methylphenidate-on-the-gabaergic-system-of-adhd-patients
#5
Michelle M Solleveld, Anouk Schrantee, Nicolaas A J Puts, Liesbeth Reneman, Paul J Lucassen
Stimulants are the main pharmacological treatment for patients with attention-deficit/hyperactivity disorder (ADHD). Their current prescription rates are rising, both in children, adolescents and adults. Related to the impulse control phenotype, both preclinical and clinical studies have demonstrated lower γ-amino butyric acid (GABA) levels in prefrontal brain regions in ADHD. Whereas stimulant treatment increases GABA levels, preclinical studies have suggested that stimulant treatment effects may be age-dependent...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28676760/combined-oral-administration-of-gaba-and-dpp-4-inhibitor-prevents-beta-cell-damage-and-promotes-beta-cell-regeneration-in-mice
#6
Wenjuan Liu, Dong Ok Son, Harry K Lau, Yinghui Zhou, Gerald J Prud'homme, Tianru Jin, Qinghua Wang
γ-aminobutyric acid (GABA) or glucagon-like peptide-1 based drugs, such as sitagliptin (a dipeptidyl peptidase-4 inhibitor), were shown to induce beta cell regenerative effects in various diabetic mouse models. We propose that their combined administration can bring forth an additive therapeutic effect. We tested this hypothesis in a multiple low-dose streptozotocin (STZ)-induced beta cell injury mouse model (MDSD). Male C57BL/6J mice were assigned randomly into four groups: non-treatment diabetic control, GABA, sitagliptin, or GABA plus sitagliptin...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28655701/impact-of-oral-supplementation-of-glutamate-and-gaba-on-memory-performance-and-neurochemical-profile-in-hippocampus-of-rats
#7
Saiqa Tabassum, Saara Ahmad, Syeda Madiha, Saima Khaliq, Sidrah Shahzad, Zehra Batool, Saida Haider
Glutamate (GLU) and gamma-amino butyric acid (GABA) are essential amino acids (AA) for brain function serving as excitatory and inhibitory neurotransmitter respectively. Their tablets are available in market for improving gut function and muscle performance. Despite of having a major role during memory formation and processing, effects of these tablets on brain functioning like learning and memory have not been investigated. Therefore, present study is aimed to investigate the effects of orally supplemented GLU and GABA on learning and memory performance and further to monitor related effects of these orally supplemented GLU and GABA on brain levels of these AA...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28649201/evaluation-of-jnj-54717793-a-novel-brain-penetrant-selective-orexin-1-receptor-antagonist-in-two-rat-models-of-panic-attack-provocation
#8
Pascal Bonaventure, Christine Dugovic, Brock Shireman, Cathy Preville, Sujin Yun, Brian Lord, Diane Nepomuceno, Michelle Wennerholm, Timothy Lovenberg, Nicolas Carruthers, Stephanie D Fitz, Anantha Shekhar, Philip L Johnson
Orexin neurons originating in the perifornical and lateral hypothalamic area are highly reactive to anxiogenic stimuli and have strong projections to anxiety and panic-associated circuitry. Recent studies support a role for the orexin system and in particular the orexin 1 receptor (OX1R) in coordinating an integrative stress response. However, no selective OX1R antagonist has been systematically tested in two preclinical models of using panicogenic stimuli that induce panic attack in the majority of people with panic disorder, namely an acute hypercapnia-panic provocation model and a model involving chronic inhibition of GABA synthesis in the perifornical hypothalamic area followed by intravenous sodium lactate infusion...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28634406/enhancing-kcc2-function-counteracts-morphine-induced-hyperalgesia
#9
Francesco Ferrini, Louis-Etienne Lorenzo, Antoine G Godin, Miorie Le Quang, Yves De Koninck
Morphine-induced hyperalgesia (MIH) is a severe adverse effect accompanying repeated morphine treatment, causing a paradoxical decrease in nociceptive threshold. Previous reports associated MIH with a decreased expression of the Cl(-) extruder KCC2 in the superficial dorsal horn (SDH) of the spinal cord, weakening spinal GABAA/glycine-mediated postsynaptic inhibition. Here, we tested whether the administration of small molecules enhancing KCC2, CLP257 and its pro-drug CLP290, may counteract MIH. MIH was typically expressed within 6-8 days of morphine treatment...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28596511/effect-of-alprazolam-on-redox-status-in-renal-transplantation-donors-and-recipients
#10
Meltem Güner Can, Özgen Ilgaz Koçyiğit, Uğur Aksu, Ali Özer, Fevzi Toraman
BACKGROUND Benzodiazepines are the most popular premedication drugs thought to act through the GABA/benzodiazepine receptor complex and alprazolam is one of the most potent benzodiazepines that have a quick onset. While there is a growing body of evidence supporting alprazolam in the amelioration of redox status in animals, no study has been performed concerning its antioxidant activity in humans. The purpose of this investigation was to determine the effect of alprazolam on redox status. MATERIAL AND METHODS This study was a four-group randomized controlled trial...
June 9, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28588361/caffeine-and-cannabis-effects-on-vital-neurotransmitters-and-enzymes-in-the-brain-tissue-of-juvenile-experimental-rats
#11
J O Owolabi, S Y Olatunji, A J Olanrewaju
BACKGROUND: Caffeine and cannabis are globally consumed and abused psychoactive substances. While caffeine is legally used in various forms, including in tea and coffee as beverages, it is also consumed in soda and energy drinks as additives. Cannabis, on the other hand, is considered illegal in most countries; albeit, it is being consumed globally particularly by adolescents. PURPOSE: The adolescent stage marks a critical stage of brain development and maturation...
May 2017: Annals of Neurosciences
https://www.readbyqxmd.com/read/28573220/jieyuanshen-decoction-exerts-antidepressant-effects-on-depressive-rat-model-via-regulating-hpa-axis-and-the-level-of-amino-acids-neurotransmitter
#12
Zhang Qiuxia, Ma Xinlong, Yang Yilong, Zhao Hui, Wang Yali, Yao Xiaoquan, Wang Lei, Chang Jiahui, Zou Haiyan
BACKGROUND: Jieyuanshen decoction (JYAS-D) - a traditional Chinese medicine was invented by Professor Nie based on classic formulas, chaihu jia longgu muli decoction has been proved as having favorable curative effects on depression in clinical practices. The aim of this study was to investigate the antidepressant effects and its molecular mechanism of JYAS-D. MATERIALS AND METHODS: The model of depression was established by Chronic Unpredictable Stress. Different doses (8...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28539708/assessment-of-mexican-arnica-heterotheca-inuloides-cass-and-rosemary-rosmarinus-officinalis-extracts-on-dopamine-and-selected-biomarkers-of-oxidative-stress-in-stomach-and-brain-of-salmonella-typhimurium-infected-rats
#13
David Calderón Guzmàn, Maribel Ortiz Herrera, Norma Osnaya Brizuela, Gerardo Barragàn Mejía, Ernestina Hernàndez García, Hugo Juàrez Olguín, Armando Valenzuela Peraza, Norma Labra Ruíz, Daniel Santamaría Del Angel
BACKGROUND: The effects of some natural products on dopamine (DA) and 5-hydroxyindole acetic acid (5-HIAA) in brain of infected models are still unclear. OBJECTIVE: The purpose of this study was to measure the effect of Mexican arnica/rosemary (MAR) water extract and oseltamivir on both biogenic amines and some oxidative biomarkers in the brain and stomach of young rats under infection condition. METHODS: Female Wistar rats (weight 80 g) in the presence of MAR or absence (no-MAR) were treated as follows: group 1, buffer solution (controls); oseltamivir (100 mg/kg), group 2; culture of Salmonella typhimurium (S...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28532421/glutamate-excitotoxicity-induced-by-orally-administered-propionic-acid-a-short-chain-fatty-acid-can-be-ameliorated-by-bee-pollen
#14
Afaf El-Ansary, Huda S Al-Salem, Alqahtani Asma, Abeer Al-Dbass
BACKGROUND: Rodent models may guide investigations towards identifying either environmental neuro-toxicants or drugs with neuro-therapeutic effects. This work aims to study the therapeutic effects of bee pollen on brain glutamate excitotoxicity and the impaired glutamine-glutamate- gamma amino butyric acid (GABA) circuit induced by propionic acid (PPA), a short chain fatty acid, in rat pups. METHODS: Twenty-four young male Western Albino rats 3-4 weeks of age, and 45-60 g body weight were enrolled in the present study...
May 22, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28501058/limited-quality-evidence-suggests-that-early-caries-experience-at-age-6-years-may-predict-low-oral-health-related-quality-of-life-at-age-10%C3%A2-years
#15
Vinodh Bhoopathi, Marisol Tellez, Sungwoo Lim
ARTICLE TITLE AND BIBLIOGRAPHIC INFORMATION: Early Caries Predicts Low Oral Health-Related Quality of Life at a Later Age. Kragt L, van der Tas JT, Moll HA, Elfrink ME, Jaddoe VW, Wolvius EB, Ongkosuwito EM. Caries Res. 2016; 50(5):471-9. SOURCE OF FUNDING: This study was funded by (1) the Erasmus Medical Center, Rotterdam, the Erasmus University, Rotterdam, (2) the Netherlands Organization for Health Research and Development, (3) an unrestricted grant from GABA, Therwil, Switzerland, (4) the Netherlands Organization for Health Research and Development (VIDI 016...
June 2017: Journal of Evidence-based Dental Practice
https://www.readbyqxmd.com/read/28485217/gaba-promotes-elastin-synthesis-and-elastin-fiber-formation-in-normal-human-dermal-fibroblasts-hdfs
#16
Eriko Uehara, Hideki Hokazono, Mariko Hida, Takako Sasaki, Hidekatsu Yoshioka, Noritaka Matsuo
The multiple physiological effects of γ-aminobutyric acid (GABA) as a functional food component have been recently reported. We previously reported that GABA upregulated the expression of type I collagen in human dermal fibroblasts (HDFs), and that oral administration of GABA significantly increased skin elasticity. However, details of the regulatory mechanism still remain unknown. In this study, we further examined the effects of GABA on elastin synthesis and elastin fiber formation in HDFs. Real-time PCR indicated that GABA significantly increased the expression of tropoelastin transcript in a dose-dependent manner...
June 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28468264/improvement-of-antioxidant-defences-and-mood-status-by-oral-gaba-tea-administration-in-a-mouse-model-of-post-stroke-depression
#17
Maria Daglia, Arianna Di Lorenzo, Seyed Fazel Nabavi, Antoni Sureda, Sedigheh Khanjani, Akbar Hajizadeh Moghaddam, Nady Braidy, Seyed Mohammad Nabavi
Green GABA (GGABA) and Oolong GABA (OGABA) teas are relatively new varieties of tea, whose chemical composition and functional properties are largely under-studied, despite their promising health capacities. Post stroke depression (PSD) is a complication of stroke with high clinical relevance, yielding increasing mortality and morbidity rates, and a lower response to common therapies and rehabilitation. METHODS: Two chemically characterized commercial samples of GGABA and OGABA were investigated for effects on mood following oral administration using a mouse model of PSD, through common validated tests including the Despair Swimming Test and Tail Suspension Test...
April 29, 2017: Nutrients
https://www.readbyqxmd.com/read/28456544/gastroprotective-effect-of-gamma-aminobutyric-acid-against-ethanol-induced-gastric-mucosal-injury
#18
Min Xie, Haihong Chen, Shaoping Nie, Wei Tong, Junyi Yin, Mingyong Xie
The present study aimed to investigate the gastroprotective effect of gamma-aminobutyric acid (GABA) on ethanol-induced gastric mucosal injury and gastric epithelial cells injury. Rats were divided into the control group, vehicle group and GABA-treated groups (10, 20 and 40 mg/kg/day). After GABA ingestion for 14 days, rats except the control group were given 1 mL pure ethanol by oral gavage in order to induce acute gastric mucosal lesion. The human gastric epithelial cell line GES-1 was incubated with GABA (100, 200 and 400 μM) for 24 h, followed by treatment with 8% ethanol for 3 h to induce cell injury...
June 25, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28424564/new-developments-in-the-management-of-narcolepsy
#19
REVIEW
Vivien C Abad, Christian Guilleminault
Narcolepsy is a life-long, underrecognized sleep disorder that affects 0.02%-0.18% of the US and Western European populations. Genetic predisposition is suspected because of narcolepsy's strong association with HLA DQB1*06-02, and genome-wide association studies have identified polymorphisms in T-cell receptor loci. Narcolepsy pathophysiology is linked to loss of signaling by hypocretin-producing neurons; an autoimmune etiology possibly triggered by some environmental agent may precipitate hypocretin neuronal loss...
2017: Nature and Science of Sleep
https://www.readbyqxmd.com/read/28418172/analgesic-effect-of-clobazam-in-chronic-low-back-pain-but-not-in-experimentally-induced-pain
#20
J Schliessbach, P H Vuilleumier, A Siegenthaler, L Bütikofer, A Limacher, P Juni, H U Zeilhofer, L Arendt-Nielsen, M Curatolo
BACKGROUND: Chronic pain is frequently associated with hypersensitivity of the nervous system, and drugs that increase central inhibition are therefore a potentially effective treatment. Benzodiazepines are potent modulators of GABAergic neurotransmission and are known to exert antihyperalgesic effects in rodents, but translation into patients are lacking. This study investigates the effect of the benzodiazepine clobazam in chronic low-back pain in humans. The aim of this study is to explore the effect of GABA modulation on chronic low-back pain and on quantitative sensory tests...
April 18, 2017: European Journal of Pain: EJP
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