Diurnal variations of S-adenosyl-L-methionine and adenosine content in the rat pineal gland.

abstract：:Contractile responses to norepinephrine (NE), and the population of beta-adrenoceptors, were determined in gastric fundus smooth muscle from rats with diabetes induced by streptozotocin (STZ), and age-matched controls. Relaxation and/or contraction of fundus strips of controls and diabetics were induced by 10(-5)M NE....

journal_title：Life sciences

authors： Sakai Y,Inazu M,Aihara K,Inoue K,Homma I

更新日期：1991-01-01 00:00:00

abstract：:Different ligands of both the "peripheral" and the "central" benzodiazepine receptors were tested for their ability to induce human monocyte chemotaxis. Only the ligands interacting with the "peripheral receptor" (diazepam and Ro 5-4864) were active, and their action was blocked by the specific antagonist PK 11-195, b...

journal_title：Life sciences

authors： Sacerdote P,Locatelli LD,Panerai AE

更新日期：1993-01-01 00:00:00

abstract：:We proposed that the circadian rhythm of corticosterone in diabetic rats would have a different pattern than that in non-diabetic control rats. To test this hypothesis, 20 male Sprague-Dawley rats were given ad libitum access to a stock diet and housed individually in a light and temperature controlled room. Ten rats ...

journal_title：Life sciences

authors： Oster MH,Castonguay TW,Keen CL,Stern JS

更新日期：1988-01-01 00:00:00

abstract：:As a step in the purification and characterization of the glucose transporter from rat skeletal muscle, we have reconstituted glucose transport activity in liposomes. Plasma membranes were prepared from skeletal muscle which display D-glucose reversible binding of cytochalasin B (10 pmol sites/mg protein; KD = 0.3 mic...

journal_title：Life sciences

authors： Wheeler TJ,Hauck MA

更新日期：1987-06-15 00:00:00

abstract：AIMS:This study aims to investigate the value of the expression of miR-208, miR-494, miR-499 and miR-1303 in the early diagnosis of acute myocardial infarction (AMI). MAIN METHODS:Patients were divided into two groups: AMI group (n = 41), and Stable angina pectoris (SAP) group (n = 32). Peripheral venous blood was sam...

journal_title：Life sciences

authors： Li P,Li SY,Liu M,Ruan JW,Wang ZD,Xie WC

更新日期：2019-09-01 00:00:00

abstract：AIMS:Studies indicate that the pattern of shear stress determines the direction of endothelial progenitor cells (EPCs) differentiation. However, the mechanism remains largely unknown. Herein, we try to identify the role of oscillatory shear stress (OSS) in the transdifferentiation of EPCs into mesenchymal cells and the...

journal_title：Life sciences

authors： Gao Y,Cui X,Wang M,Zhang Y,He Y,Li L,Li H,Zhang X,Cheng M

更新日期：2020-07-15 00:00:00

abstract：:The traditional Chinese medicines have been used clinically for a long time in some Asian countries, however, very few studies have been done to demonstrate the working mechanisms of these medicines using recently developed biochemical methodologies. In this study, we examined the anti-inflammatory effect of Huang-Lia...

journal_title：Life sciences

authors： Dai Y,Miki K,Fukuoka T,Tokunaga A,Tachibana T,Kondo E,Noguchi K

更新日期：2000-01-01 00:00:00

abstract：:Peripheral blood cells express the complete non-neuronal cholinergic system. For example synthesis of acetylcholine and nicotinic as well muscarinic receptors have been demonstrated in leucocytes isolated from human peripheral blood. In the present experiments mononuclear cells and granulocytes were isolated from the ...

journal_title：Life sciences

authors： Neumann S,Razen M,Habermehl P,Meyer CU,Zepp F,Kirkpatrick CJ,Wessler I

更新日期：2007-05-30 00:00:00

abstract：:The effects of different kinds of acute stress on collagen-induced whole blood platelet aggregation and fibrinolysis in relation to blood serotonergic measures were studied. In rats water-immersion restraint stress resulted in a shortening of euglobulin clot lysis time (ECLT), an increase in tissue plasminogen activat...

journal_title：Life sciences

authors： Malyszko J,Urano T,Takada Y,Takada A

更新日期：1994-01-01 00:00:00

abstract：:Adenylate cyclase activity in isolated rat liver plasma membranes was inhibited by NADH in a concentration-dependent manner. Half-maximal inhibition of adenylate cyclase was observed at 120 microM concentration of NADH. The effect of NADH was specific since adenylate cyclase activity was not altered by NAD+, NADP+, NA...

journal_title：Life sciences

authors： Nair BG,Patel TB

更新日期：1991-01-01 00:00:00

abstract：:Species-related specific differences in the pharmacological profile of vasopressin V1a receptors have been reported. Thus, the aim of the present study was to identify a vascular preparation of human origin expressing V1a receptors. Vasopressin was found to contract human gastric artery strips without endothelium with...

journal_title：Life sciences

authors： Calò G,Rizzi A,Traina L,Regoli D

更新日期：1997-01-01 00:00:00

abstract：:The binding of 3H-ouabain to human erythrocytes was analyzed in a population of hospitalized male ethanol addicted patients under long term digitalis treatment. In the non-alcoholic patient group the long term digitalis treatment induced an increase in Bmax and Kd values; such modification was not observed in the alco...

journal_title：Life sciences

authors： Battaini F,Govoni S,Mauri A,Civelli L,Trabucchi M

更新日期：1987-06-29 00:00:00

abstract：:The present paper describes the role of conjugating enzymes in the development of hepatotoxicity after administration of repeated doses of a novel monoamine oxidase type-A (MAO-A) inhibitor, (5R)-3-[2-(( 1S)-3-cyano-1-hydroxypropyl)benzothiazol-6-yl]-5-methoxymethyl-2-oxazolidinone (E2011). The effects of pretreatment...

journal_title：Life sciences

authors： Sato G,Aoki T,Hosokawa S,Sagami F,Tsukidate K

更新日期：2001-05-04 00:00:00

abstract：:The effects of tetrandrine (TET) on the contractile responses of rat aortic rings and perfused rat mesenteric arteries to phenylephrine (PE) were investigated. TET inhibited the maximal contraction to PE in a concentration-dependent manner. TET significantly inhibited the transient contraction in Ca(2+)-free medium pr...

journal_title：Life sciences

authors： Kwan CY,Chen YY,Ma MF,Daniel EE,Hui SC

更新日期：1996-01-01 00:00:00

abstract：:The retina contains three catecholamine neurotransmitters: dopamine (DA); norepinephrine (NE); and epinephrine (EPI). DA and EPI appear to be associated with separate amacrine neurons that directly participate in the visual process. NE, in contrast, appears to be associated primarily with the sympathetic nerves that i...

journal_title：Life sciences

authors： Hadjiconstantinou M,Neff NH

更新日期：1984-09-10 00:00:00

abstract：:Since the discovery of leptin in 1994 by Zhang et al., there have been a number of reports showing its implication in the development of a wide range of cardiovascular diseases. However, there exists some controversy about how leptin can induce or preserve cardiovascular function, as different authors have found contr...

journal_title：Life sciences

authors： Feijóo-Bandín S,Portolés M,Roselló-Lletí E,Rivera M,González-Juanatey JR,Lago F

更新日期：2015-11-01 00:00:00

abstract：AIMS:Ventilatory disturbance is a fatal side-effect of opioid analgesics. Separation of analgesia from ventilatory depression is important for therapeutic use of opioids. It has been suggested that opioid-induced ventilatory depression results from a decrease in adenosine 3',5'-cyclic monophosphate content in the respi...

journal_title：Life sciences

authors： Kimura S,Ohi Y,Haji A

更新日期：2015-04-15 00:00:00

abstract：:Although both the incidence and the mortality rate of breast cancer is rising, there is no potent and practical option for the treatment of these patients, particularly in advanced stages. One of the most critical challenges for treatment is the presence of complicated and extensive tumor escape mechanisms in the tumo...

journal_title：Life sciences

authors： Bastaki S,Irandoust M,Ahmadi A,Hojjat-Farsangi M,Ambrose P,Hallaj S,Edalati M,Ghalamfarsa G,Azizi G,Yousefi M,Chalajour H,Jadidi-Niaragh F

更新日期：2020-04-15 00:00:00

abstract：:The immunosuppressive effects of microcolin A, a lipopeptide extracted from the marine blue green alga Lyngbya majuscula were investigated. Microcolin A suppressed concanavalin A (IC50 = 5.8 nM), phytohemagglutinin (IC50 = 12.5 nM) and lipopolysaccharide (IC50 = 8.0 nM) induced proliferation of murine splenocytes. Mix...

journal_title：Life sciences

authors： Zhang LH,Longley RE,Koehn FE

更新日期：1997-01-01 00:00:00

abstract：:An in vivo antisense strategy was used to examine the involvement of G-protein subunits in supraspinal (intracerebroventricular; i.c.v.) alpha2-adrenoceptor-mediated antinociception. Mice that were injected with 33-mer antisense oligodeoxyribonucleotides (6 nmol) or vehicle were tested (tail-flick) with an agonist (cl...

journal_title：Life sciences

authors： Raffa RB,Connelly CD,Chambers JR,Stone DJ

更新日期：1996-01-01 00:00:00

abstract：:The anthropogenic chemicals nonylphenol, bisphenol A, phthalic acid benzyl n-butyl ester, phthalic acid di-n-butyl ester and phthalic acid di(2-ethylhexyl) ester have been shown to possess sex hormone-like activity. To explore the possible actions of these chemicals on the autacoid synthesis in the body, we investigat...

journal_title：Life sciences

authors： Fujimoto Y,Sakuma S,Inoue T,Uno E,Fujita T

更新日期：2002-03-29 00:00:00

abstract：AIM:To evaluate the therapeutic efficacy of hypoxic cell-sensitizer Sanazole (SAN) -directed targeting of cytotoxic drug Berberine (BBN) and Iron-oxide nanoparticle (NP) complexes, to solid tumor in Swiss albino mice. MAIN METHODS:NP-BBN-SAN complexes were characterized by FTIR, XRD, TEM and Nano-size analyzer. This c...

journal_title：Life sciences

authors： Sreeja S,Krishnan Nair CK

更新日期：2018-02-15 00:00:00

abstract：:alpha-lactorphin (Tyr-Gly-Leu-Phe) lowers blood pressure in conscious adult SHR. This tetrapeptide is originally released from milk protein alpha-lactalbumin by enzymatic hydrolysis. In order to evaluate the antihypertensive mechanisms of alpha-lactorphin, the effects of the tetrapeptide on vascular function were inve...

journal_title：Life sciences

authors： Sipola M,Finckenberg P,Vapaatalo H,Pihlanto-Leppälä A,Korhonen H,Korpela R,Nurminen ML

更新日期：2002-08-02 00:00:00

abstract：:The opioid peptides [Met] enkephalin-Arg6-Phe7, [Met]-enkephalin-Arg6-Gly7-Leu8, and BAM-12P were identified in various ares of human brain by use of a combination of radioimmunoassay (RIA), gel filtration, and high performance liquid chromatography (HPLC). The highest levels of each peptide were found in striatum, fo...

journal_title：Life sciences

authors： Pittius CW,Seizinger BR,Mehraein P,Pasi A,Herz A

更新日期：1983-01-01 00:00:00

abstract：:Nitric oxide (NO) is a key mediator in many physiological processes and one of the major receptors through which NO exerts its effects is soluble guanylyl cyclase. Guanylyl cyclase converts GTP to cyclic GMP as part of the cascade that results in physiological processes such as smooth muscle relaxation, neurotransmiss...

journal_title：Life sciences

authors： Miller LN,Nakane M,Hsieh GC,Chang R,Kolasa T,Moreland RB,Brioni JD

更新日期：2003-01-17 00:00:00

abstract：AIMS:Obesity is associated with increased cardiovascular morbidity and mortality. It is accompanied by augmented O-linked β-N-acetylglucosamine (O-GlcNAc) modification of proteins via increasing hexosamine biosynthetic pathway (HBP) flux. However, the changes and regulation of the O-GlcNAc levels induced by obesity are...

journal_title：Life sciences

authors： Cui YL,Xue RQ,Xi He,Ming Zhao,Yu XJ,Liu LZ,Wu Q,Si Yang,Li DL,Zang WJ

更新日期：2019-04-01 00:00:00

abstract：:A review of the rapidly accumulating data in the literature continues to support the notion that catecholamines regulate ovarian function, and extends the complexity of catecholaminergic effects on the ovary via interactions with pituitary and adrenal hormones. It is clear that catecholamines affect growth and differe...

journal_title：Life sciences

authors： Spicer LJ

更新日期：1986-11-10 00:00:00

abstract：:Antinociceptive effect of nifedipine (15 mg/kg i.p.) and verapamil (10 mg/kg s.c.) was examined in rats chronically exposed to nicotine (6 mg/kg/day via Alzet osmotic pump for 28 days) and after nicotine withdrawal. Sham operated rats served as control for testing DMSO (dimethylsulfoxide, a solvent for nifedipine), ni...

journal_title：Life sciences

authors： Zbuzek VK,Cohen B,Wu W

更新日期：1997-01-01 00:00:00

abstract：:The kinetic parameters of serotonin (5-HT) uptake and imipramine binding of the synaptosomes and blood platelets of male Fawn-hooded rats, which have a 5-HT storage abnormality, and normal Sprague-Dawley rats were compared. The Vmax for 5-HT uptake of synaptosomes from Fawn-hooded rats was significantly greater than t...

journal_title：Life sciences

authors： Arora RC,Tong C,Jackman HL,Stoff D,Meltzer HY

更新日期：1983-08-01 00:00:00

abstract：:Radio-binding assay, bioassay and HPLC detection were used to observe the antagonistic effects of dextrorphan on PCP's actions. Dextrorphan displayed high affinity to PCP receptor in the rabbit mesenteric blood vessels. It had weak PCP-like bioactivity, but could antagonize PCP's action dose-dependently in vitro study...

journal_title：Life sciences

authors： Sun FY,Zhu H,Zhang LM,Xu XR,Zhang AZ

更新日期：1987-06-15 00:00:00