Non-steroidal anti-inflammatory agents, tolmetin and sulindac, inhibit liver tryptophan 2,3-dioxygenase activity and alter brain neurotransmitter levels.

abstract：:This study was essentially an in vivo protection experiment designed to test further the hypothesis that stress induces release of endogenous opioids which then act at opioid receptors. Rats that were either subjected to restraint stress for 1 hr or unstressed were injected ICV with either saline or 2.5 micrograms of ...

journal_title：Life sciences

authors： Adams JU,Andrews JS,Hiller JM,Simon EJ,Holtzman SG

更新日期：1987-12-28 00:00:00

abstract：AIMS:The beneficial effects of cannabinoid type 2 receptor (CB2R) activation have been verified in various tissue repair processes. Our recent study revealed CB2R activation promotes myogenesis partly through Nrf2 signaling in a mouse skeletal muscle ischemia-reperfusion (IR) injury model. Other relevant mechanisms nee...

journal_title：Life sciences

authors： Jiang P,Wang L,Zhang M,Zhang M,Wang C,Zhao R,Guan D

更新日期：2020-09-01 00:00:00

abstract：:Repeated intermittent administration of amphetamine in mice caused reverse tolerance to 5-hydroxy-L-tryptophan (5-HTP)-induced head twitch, as well as to amphetamine-induced stereotypy. The repeated administration of 5-HTP alone also resulted in reverse tolerance in the head-twitch test. Daily pretreatment with halope...

journal_title：Life sciences

authors： Karler R,Calder LD,Turkanis SA

更新日期：1990-01-01 00:00:00

abstract：:The present study is undertaken to investigate whether the phospholipase A(2) (PLA(2)) influences mRNA nucleocytoplasmic transport evaluated by nucleoside triphosphatase (NTPase) activity and mRNA export in isolated hepatic nuclear envelope. Isolated hepatic nuclei from rat liver were exposed to PLA(2) (10(-5) approxi...

journal_title：Life sciences

authors： Li JX,Li ZQ,Pang YZ,Tang CS

更新日期：2003-07-11 00:00:00

abstract：:Since moderate hyperhomocysteinemia is an independent risk factor for vascular disease by mean of its oxidant effect and glutathione plays a main role as intracellular redox-regulating agent, we have studied for the first time the total intracellular content of homocysteine in aging. Plasma homocysteine concentration,...

journal_title：Life sciences

authors： Hernanz A,Fernández-Vivancos E,Montiel C,Vazquez JJ,Arnalich F

更新日期：2000-08-04 00:00:00

abstract：AIMS:Ovarian cancer is the most leading cause of deaths among gynecologic malignancies, and Neuron-restrictive silencer factor (NRSF) can be upregulated or downregulated according to the type of tumor. However, the expression and function of NRSF in ovarian cancer is still unknown. MAIN METHODS:Expression of NRSF in n...

journal_title：Life sciences

authors： Deng P,Zuo Y,Feng S,Li Z,Chen W,Li H,Wang X

更新日期：2018-12-15 00:00:00

abstract：:Rats treated chronically with the anticancer agent adriamycin (1.5 mg/kg/week X 14 weeks) exhibited cardiac and renal lesions typical of anthracycline toxicity, and had serum hyperlipidemia characterized by 4 to 10 fold elevations in all lipoprotein classes. Heparin-releasable lipoprotein lipase activity measured in p...

journal_title：Life sciences

authors： Thayer WS

更新日期：1985-02-18 00:00:00

abstract：AIMS:Diabetic nephropathy is a growing health concern, which is reported to be associated with inflammation. Luteolin has been explored for the treatment of some diabetic complications. Although several studies have verified the effect of luteolin on diabetic nephropathy, the mechanism by which the therapeutic effects ...

journal_title：Life sciences

authors： Yu Q,Zhang M,Qian L,Wen D,Wu G

更新日期：2019-05-15 00:00:00

abstract：:NMDA receptors are glutamate-regulated ion channels of critical importance for many neurophysiological and neuropathological processes. Mg2+ blocks the NMDA receptor by binding to the channel pore with an apparent affinity that depends on the membrane potential. We have investigated the effect of NMDA and the required...

journal_title：Life sciences

authors： Liu Y,Hill RH,Arhem P,von Euler G

更新日期：2001-03-09 00:00:00

abstract：:Previous studies indicated that exogenous dopamine and its agonists directly regulated mitogen-induced immune cell proliferation. In this study, we further investigated role of endogenous dopamine in immune cell growth. Haloperidol, a general antagonist for dopamine receptors, could reduce the cell growth rate of T ce...

journal_title：Life sciences

authors： Tsao CW,Lin YS,Cheng JT

更新日期：1998-01-01 00:00:00

abstract：:Bu-Zhong-Yi-Qi-Tang (BZYQT), a Chinese herbal medicine, inhibited the proliferation of human hepatoma cell lines (Hep3B, HepG2 and HA22T) dose-dependently. The IC50s of BZYQT on the proliferation of Hep3B, HepG2 and HA22T were 432.5+/-31.8 microg/ml, 455.4+/-24.2 microg/ml, and 2284.3+/-77.2 microg/ml respectively on ...

journal_title：Life sciences

authors： Kao ST,Yeh CC,Hsieh CC,Yang MD,Lee MR,Liu HS,Lin JG

更新日期：2001-08-17 00:00:00

abstract：AIMS:Endoplasmic reticulum stress (ERS) as an emerging factor is involved in insulin resistance (IR), which is the pathological basis of diabetes mellitus. Accumulation of asymmetric dimethylarginine (ADMA), an endogenous inhibitor of nitric oxide synthase is associated with IR, but the underlying mechanisms have not b...

journal_title：Life sciences

authors： Qiu N,Wei XM,Zhang ZJ,He YL,Zhou XK,Xiong Y

更新日期：2020-11-01 00:00:00

abstract：:Phenylephrine effect on liver and kidney cortex mitochondrial pyruvate concentration was investigated. While in liver the alpha 1-adrenergic agent produced a decrease in pyruvate content, a significant increase was observed in kidney, even in the presence of 0.5 mM alpha-cyano-4-hydroxy-cinnamate. These changes were n...

journal_title：Life sciences

authors： Oliver J,Sola MM,Salto R,Vargas AM

更新日期：1990-01-01 00:00:00

abstract：:Three cholecystokinin type B (CCKB) receptor antagonists were labelled with 11C and evaluated ex vivo in rat biodistribution studies. The CCKB antagonists were YF 476 and two other compounds of the basic 3-ureido-1,4-benzodiazepine class. Following tail-vein administration of [11C]-YF 476 exceedingly low levels of rad...

journal_title：Life sciences

authors： Wilson AA,Jin L,Garcia A,DaSilva JN,Houle S

更新日期：2001-02-02 00:00:00

abstract：:Calcium entry from extracellular space to acetylcholine (ACh)-sensitive internal stores was investigated in beta-escin permeabilized bovine tracheal smooth muscle. Cyclopiazonic acid (CPA), a selective inhibitor of the sarcoplasmic reticulum (SR) calcium pump, and nifedipine, both inhibited the refilling, and inhibiti...

journal_title：Life sciences

authors： Qian Y,Bourreau JP

更新日期：1999-01-01 00:00:00

abstract：:There is a growing literature indicating that opioid abuse by human addicts and opioid administration to animals have profound effects on the immune system. In the present study, implantation of morphine pellets in mice was associated with reduced phenotypic expression of the cell surface antigens specific to T-lympho...

journal_title：Life sciences

authors： Kimes AS,Smith WJ,Winchell CJ,London ED

更新日期：1992-01-01 00:00:00

abstract：:A laboratory mouse can be partially restrained by placing it inside a cage with its tail protruding through a hole in one wall and taped to a surface outside of the cage. The mouse maintains enough mobility to perform an operant response yet its movements are limited to the extent that electrical or chemical stimulati...

journal_title：Life sciences

authors： Criswell HE

更新日期：1982-11-15 00:00:00

abstract：AIMS:In this study, we investigated the effects of Bax-inhibiting peptide (Bip)-V5, an anti-apoptosis membrane-permeable peptide, on the 6-hydroxydopamine (6-OHDA) induced Parkinson's disease (PD) model rats. MATERIALS AND METHODS:Rats were randomly divided into five groups: Control, 6-OHDA only, Vehicle+6-OHDA, zVAD+...

journal_title：Life sciences

authors： Ma C,Pan Y,Yang Z,Meng Z,Sun R,Wang T,Fei Y,Fan W

更新日期：2016-01-01 00:00:00

abstract：:Propentofylline (PPF) is a xanthine derivative with pharmacological effects that are distinct from those of classic methylxanthines. It depresses the activation of microglial cells and astrocytes, which is associated with neuronal damage during neural inflammation and hypoxia. Our previous studies showed that PPF impr...

journal_title：Life sciences

authors： Martins-Júnior JL,Bernardi MM,Bondan EF

更新日期：2016-03-01 00:00:00

abstract：:Leu-enkephalin (100 micrograms/kg, i.p.) administered to mice 5 min before training in a one way active avoidance task significantly reduced the number of avoidances observed in the peptide treated animals. This impairing action of Leu-enkephalin was partially attenuated by methylnaloxonium (naloxonium), a quarternary...

journal_title：Life sciences

authors： Martinez JL Jr,de Graaf JS,Chavkin C,Dana RC

更新日期：1985-12-23 00:00:00

abstract：:The additive effects of combined valsartan and spironolactone on plasma and cardiac aldosterone escape were evaluated in spontaneously hypertensive rats (SHRs). Twenty-four SHRs were treated with valsartan (30 mg/kg body weight per day), spironolactone (20 mg/kg body weight per day) and a combination of both for 4 mon...

journal_title：Life sciences

authors： Liang YH,Wang JM,Zhou Y,Jiang XJ,Jiang H,Huang CX

更新日期：2004-08-27 00:00:00

abstract：:Kainic acid (KA) is a potent convulsant which, when administered subcutaneously, induces sustained limbic seizures and a pattern of limbic brain damage that is thought to be seizure-mediated. Diazepam suppresses and morphine enhances both the seizures and brain damage induced by KA. Here we show that morphine enhancem...

journal_title：Life sciences

authors： Fuller TA,Olney JW,Conboy VT

更新日期：1982-07-19 00:00:00

abstract：:Definition of the physiological and pharmacological properties of primary afferent neurons by the use of capsaicin and its analogues (e.g. resiniferatoxin) has represented one of the most active areas of research of the last decade (1-4 for reviews). In the past 3 years many important advancements have been made in th...

journal_title：Life sciences

authors： Amann R,Maggi CA

更新日期：1991-01-01 00:00:00

abstract：:The best conditions for extractions of free pyrroloquinoline quinone (PQQ) from crude biological samples were investigated with various organic solvents and Sep-Pak C18 cartridges. PQQ was measured with use of its native fluorescence in aqueous solution. PQQ was well extracted into n-butanol under acid conditions, and...

journal_title：Life sciences

authors： Suzuki O,Kumazawa T,Seno H,Urakami T,Matsumoto T

更新日期：1990-01-01 00:00:00

abstract：:In the course of investigating the binding of imipramine to soluble cellular fractions from brain and leukocytes using equilibrium dialysis, an artifactual binding component was produced. On Scatchard and double-reciprocal plots of the data, the component appeared as a homogenous population of sites displaying a bindi...

journal_title：Life sciences

authors： Cullen EI,Medzihradsky F

更新日期：1983-07-11 00:00:00

abstract：:Exposure to Cd(2+) via inhalation or intratracheal instillation results in pulmonary edema, which is followed by the influx of leukocytes, the proliferation of type II pneumocytes and eventual scarring and fibrotic changes. While the general toxic effects of Cd(2+) in the lung have been well characterized, the specifi...

journal_title：Life sciences

authors： Pearson CA,Lamar PC,Prozialeck WC

更新日期：2003-01-31 00:00:00

abstract：:Anti-cancer and anti-angiogenesis effects of green tea catechins have been demonstrated. It has been found that chemical modification of tea catechins improves their biological activities. We examined the chemical modification of epicatechin enhanced anti-cancer and anti-angiogenic effects. Epicatechin conjugated with...

journal_title：Life sciences

authors： Matsubara K,Saito A,Tanaka A,Nakajima N,Akagi R,Mori M,Mizushina Y

更新日期：2007-04-03 00:00:00

abstract：AIMS:Insulin-like growth factor (IGF)-1 is a major mitogenic growth factor for mesangial cells (MCs). Statins slow the progression of chronic kidney disease by affecting inflammatory cell signaling pathways, in addition to improving lipid profile, however, no studies have investigated the effects of fluvastatin on mito...

journal_title：Life sciences

authors： Shibata T,Tamura M,Kabashima N,Serino R,Tokunaga M,Matsumoto M,Miyamoto T,Miyazaki M,Furuno Y,Takeuchi M,Abe H,Okazaki M,Otsuji Y

更新日期：2009-05-22 00:00:00

abstract：:Persistent neurochemical changes consistent with parkinsonism have been reported in brains of mice treated with repeated high doses of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). We now report that ethanol or acetaldehyde potentiate MPTP-induced damage to mouse striatum. One hour after the combined treatments...

journal_title：Life sciences

authors： Corsini GU,Zuddas A,Bonuccelli U,Schinelli S,Kopin IJ

更新日期：1987-03-02 00:00:00

abstract：:Increased ventricular ANF-mRNA is observed as a compensating mechanism in response to many forms of overload including chronic exercise. It is unknown if exercise-induced increases in ANF expression are mediated at the transcriptional level and whether specific cis-element(s) may be involved. To study this, rats were ...

journal_title：Life sciences

authors： Edwards JG

更新日期：2002-04-26 00:00:00