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Takaaki Miyake et al.
International journal of oncology, 47(1), 315-324 (2015-05-06)
Although progress has been made in chemotherapeutic strategies against pancreatic cancer, overall survival has not significantly improved over the past decade. Thus, the development of better therapeutic regimens remains a high priority. Pancreatic cancer cell lines were treated with tamoxifen
Luciano A Silva et al.
Cell biochemistry and function, 29(1), 43-49 (2011-01-26)
Infrequent exercise, typically involving eccentric actions, has been shown to cause oxidative stress and to damage muscle tissue. High taurine levels are present in skeletal muscle and may play a role in cellular defences against free radical-mediated damage. This study
Valentin M Sluch et al.
Scientific reports, 5, 16595-16595 (2015-11-14)
Retinal ganglion cell (RGC) injury and cell death from glaucoma and other forms of optic nerve disease is a major cause of irreversible vision loss and blindness. Human pluripotent stem cell (hPSC)-derived RGCs could provide a source of cells for
Renu Agarwal et al.
Experimental eye research, 110, 35-43 (2013-02-23)
Cataract, a leading cause of blindness, is characterized by lenticular opacities resulting from denaturation of lens proteins due to activation of calcium-dependent enzyme, calpain. Magnesium (Mg(2+)) plays an important role not only in maintaining a low lenticular calcium (Ca(2+)) and
Yoshihiko Terashima et al.
Archives of biochemistry and biophysics, 555-556, 55-65 (2014-05-27)
Non-alcoholic fatty liver disease (NAFLD) is the commonest form of chronic liver disease in developed countries. Non-alcoholic steatohepatitis (NASH), which represents advanced stage NAFLD, is increasingly being recognized as a major cause of liver-related morbidity and mortality. However, no effective
Kenji Hashimoto et al.
Archives of general psychiatry, 60(6), 572-576 (2003-06-11)
The hypofunction of the N-methyl-D-aspartate (NMDA) subtype of glutamate receptors has been implicated in the pathophysiology of schizophrenia. Several lines of evidence suggest that D-serine may function as an endogenous agonist of the glycine site of the NMDA receptor. The
Alessia Bellomaria et al.
Food chemistry, 194, 733-739 (2015-10-17)
Several nutraceutical preparations containing proteins, amino acids and other small molecules are nowadays present on the market. In this work we propose NMR spectroscopy such as (1)H NMR, (1)H-(1)H TOCSY and DOSY for their constituents characterization, identification and profiling, comparing
Maha A E Ahmed
Toxicology and applied pharmacology, 282(3), 285-296 (2014-12-30)
The wide abuse of the anabolic steroid nandrolone decanoate by athletes and adolescents for enhancement of sporting performance and physical appearance may be associated with testicular toxicity and infertility. On the other hand, taurine; a free β-amino acid with remarkable
Yue Wang et al.
Cell calcium, 58(3), 264-274 (2015-06-28)
Neuronal nitric oxide synthase (nNOS) is important in cardiac protection in diseased heart. Recently, we have reported that nNOS is associated with myofilament Ca(2+) desensitization in cardiac myocytes from hypertensive rats. So far, the effect of myofilament Ca(2+) desensitization or
Takashi Ito et al.
Amino acids, 42(5), 1529-1539 (2011-03-26)
Taurine (2-aminoethanesulfonic acid) is a free amino acid found ubiquitously in millimolar concentrations in all mammalian tissues. Taurine exerts a variety of biological actions, including antioxidation, modulation of ion movement, osmoregulation, modulation of neurotransmitters, and conjugation of bile acids, which
Jeong-A Lim et al.
Autophagy, 11(2), 385-402 (2015-03-12)
Mitochondria-induced oxidative stress and flawed autophagy are common features of neurodegenerative and lysosomal storage diseases (LSDs). Although defective autophagy is particularly prominent in Pompe disease, mitochondrial function has escaped examination in this typical LSD. We have found multiple mitochondrial defects
Estefanía de Munck et al.
Environmental toxicology and pharmacology, 39(3), 1232-1245 (2015-05-24)
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by progressive muscle paralysis that reflects the motoneurons' degeneration. Several studies support the relationship between β-N-methylamino-l-alanine (l-BMAA), a neurotoxic amino acid produced by cyanobacteria and diatoms, and the sporadic occurrence of
Angelo Zinellu et al.
Analytical and bioanalytical chemistry, 398(5), 1973-1978 (2010-08-31)
The role of neurotransmitter amino acids (NAAs) in the functioning of the nervous system has been the focus of increasingly intense research over the past several years. Among the various amino acids that have important roles as neurotransmitters, there are
M I Botez et al.
Brain : a journal of neurology, 114 ( Pt 1A), 333-348 (1991-02-01)
A total of 157 epileptic patients were studied with respect to (1) biogenic amine precursors and metabolites in the CSF, (2) levels of folate and thiamine in the blood and CSF, (3) length of treatment with phenytoin (PHT), (4) PHT
Megumi Kato et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 31(8), 805-814 (2015-08-11)
To ensure the reliability of amino acid analyses, the National Metrology Institute of Japan of the National Institute of Advanced Industrial Science and Technology (NMIJ/AIST) has developed high-purity certified reference materials (CRMs) for 17 proteinogenic amino acids. These CRMs are
Michel Wagner et al.
Rapid communications in mass spectrometry : RCM, 29(18), 1632-1640 (2015-10-16)
An isotopic labeling strategy based on derivatizing amine-containing metabolites has been developed using light ((12) C6 ) and heavy ((13) C6 ) N-benzoyloxysuccinimide reagents for semi-targeted metabolomic applications. Differentially labeled samples were combined and analyzed simultaneously by liquid chromatography/high-resolution tandem
Nivedita Natarajan et al.
The Analyst, 140(10), 3445-3464 (2015-03-31)
The fresh water planarian species Schmidtea mediterranea is an emerging stem cell model because of its capability to regenerate a whole animal from a small piece of tissue. It is one of the best model systems to address the basic
E Gnaiger et al.
Scandinavian journal of medicine & science in sports, 25 Suppl 4, 126-134 (2015-11-22)
During evolution, mitochondrial DNA haplogroups of arctic populations may have been selected for lower coupling of mitochondrial respiration to ATP production in favor of higher heat production. We show that mitochondrial coupling in skeletal muscle of traditional and westernized Inuit
Ji Hyun Jang et al.
Basic research in cardiology, 110(3), 21-21 (2015-03-26)
Angiotensin II (Ang II), a potent precursor of hypertrophy and heart failure, upregulates neuronal nitric oxide synthase (nNOS or NOS1) in the myocardium. Here, we investigate the involvement of type 1 and 2 angiotensin receptors (AT1R and AT2R) and molecular
George R Pettit et al.
Journal of natural products, 68(7), 974-978 (2005-07-26)
The cancer cell line bioassay-guided separation of an extract from the marine mollusk Turbo stenogyrus led to the isolation of four new cerebrosides designated turbostatins 1-4 (1-4). The structure of each glycolipid was determined by interpreting results of a series
Russell W Chesney et al.
Journal of biomedical science, 17 Suppl 1, S4-S4 (2010-09-11)
Taurine participates in a number of different physiologic and biologic processes in the kidney, often reflected by urinary excretion patterns. The kidney is key to aspects of taurine body pool size and homeostasis. This review will examine the renal-taurine interactions
Cynthia Stretch et al.
The Journal of nutrition, 142(1), 14-21 (2011-12-14)
Urine and plasma metabolites originate from endogenous metabolic pathways in different organs and exogenous sources (diet). Urine and plasma were obtained from advanced cancer patients and investigated to determine if variations in lean and fat mass, dietary intake, and energy
Chi Keung Lam et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(47), E6466-E6475 (2015-11-11)
The major underpinning of massive cell death associated with myocardial infarction involves opening of the mitochondrial permeability transition pore (mPTP), resulting in disruption of mitochondria membrane integrity and programmed necrosis. Studies in human lymphocytes suggested that the hematopoietic-substrate-1 associated protein
R Shukla et al.
The International journal of neuroscience, 116(12), 1391-1402 (2006-12-06)
Evidence from clinical and experimental studies supports the hypothesis of free radical-mediated damage of dopaminergic neurons in the pathology of Parkin's disease (PD). The present study was undertaken to evaluate the role of nitric oxide and oxidative stress in PD.
Ralitza Gueorguieva et al.
Addictive behaviors, 38(5), 2119-2127 (2013-02-26)
The primary analyses of the COMBINE Study revealed significant naltrexone and Combined Behavioral Intervention (CBI) main effects on drinking outcomes but failed to find additional benefits of the combination of treatments. Investigating differences in patterns of adherence over time may
Oleg Pisarenko et al.
British journal of pharmacology, 172(12), 2933-2945 (2014-12-19)
Mitochondria-derived oxidative stress is believed to be crucially involved in cardiac ischaemia reperfusion (I/R) injury, although currently no therapies exist that specifically target mitochondrial reactive oxygen species (ROS) production. The present study was designed to evaluate the potential effects of
Yong-Kook Kwon et al.
Environmental science and pollution research international, 21(17), 10453-10460 (2014-05-14)
Leachate, generated by the decomposition of animal carcasses, presents many environmental, sanitary, and food safety hazards. However, research on the characteristics of leachate is lacking. In this study, we performed biochemical profiling of leachate from two animal species (pig and
Chaoyang Ma et al.
Journal of pharmaceutical and biomedical analysis, 105, 84-90 (2014-12-30)
An ultra-performance liquid chromatography-quadrupole time-of-flight-based metabolomic approach was developed to study influence of salidroside, an anti-fatigue ingredient from Rhoiola rosea, on urinary metabolic profiling of rats to a single dose of 180 mg/kg per day. Unsupervised principal component analysis (PCA)
L Hagenfeldt et al.
Journal of neurochemistry, 42(3), 833-837 (1984-03-01)
Plasma and cerebrospinal fluid (CSF) concentrations of amino acids were measured in 65 healthy volunteers (50 men and 15 women). The CSF levels of the monoamine metabolites homovanillic acid (HVA), 3-methoxy-4-hydroxyphenylethylene glycol (MOPEG), and 5-hydroxyindoleacetic acid (5-HIAA) were also determined.
Sara S Marques et al.
Journal of pharmaceutical and biomedical analysis, 114, 305-311 (2015-06-22)
The current therapeutic strategies are based on the design of multifunctional drug candidates able to interact with various disease related targets. Drugs that have the ability to scavenge reactive oxygen species (ROS), beyond their main therapeutic action, may prevent the
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