Different effects of three kinds of somatostatin (15-28, 1-14, 1-28) on rabbit's platelet aggregation.

abstract：:Transitory immunosupression is reported after intense exercise, especially after an increase in training overload and in overtraining. The influence of intense exercise on plasma hormones and glutamine concentration may contribute to this effect. However, the effect of such exercise-induced changes upon lymphocyte and...

journal_title：Life sciences

authors： Santos RV,Caperuto EC,Costa Rosa LF

更新日期：2007-01-16 00:00:00

abstract：:The effects of unilateral intracarotid administration of MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) in sheep were studied with the goal of producing a non-primate, large animal model of Parkinson's Disease. Adult female sheep were given an acute (over 30 min) or chronic (over 1 week) injection of MPTP (0.4-5....

journal_title：Life sciences

authors： Baskin DS,Browning JL,Widmayer MA,Zhu ZQ,Grossman RG

更新日期：1994-01-01 00:00:00

abstract：AIMS:Nanoparticles (NPs)-based drugs have been recently introduced to improve the efficacy of current therapeutic strategies for the treatment of cancer; however, the molecular mechanisms by which a NP interacts with cellular systems still need to be delineated. Here, we utilize the autophagic potential of TiO2 NPs for...

journal_title：Life sciences

authors： Azimee S,Rahmati M,Fahimi H,Moosavi MA

更新日期：2020-05-01 00:00:00

abstract：:The enkephalin analogs, [D-Pen2,L-Cys5]- and [D-Pen2,D-Cys5]-enkephalin are cyclic compounds, conformationally constrained by virtue of their 14-membered, disulfide containing rings and by the rigidizing effect of the beta, beta dimethyl substituents of the penicillamine side chain. The analogs exhibit profound delta ...

journal_title：Life sciences

authors： Mosberg HI,Hurst R,Hruby VJ,Galligan JJ,Burks TF,Gee K,Yamamura HI

更新日期：1983-05-30 00:00:00

abstract：AIMS:Schisandra is a good choice in Traditional Chinese Medicine for the therapy of cardiovascular diseases, but whether it contains a or some specific component (s) responsible these effects are still unclear. In the present study, we explored whether Schisantherin A (SCA) causes vasorelaxation in isolated rat thoraci...

journal_title：Life sciences

authors： Yang S,Xu Z,Lin C,Li H,Sun J,Chen J,Wang C

更新日期：2020-03-15 00:00:00

abstract：:Unfertilized ova from Shad, a North Atlantic herring, contains a cytostatic inhibitor of T lymphocyte blastogenesis. The inhibitor has an estimated molecular weight of 10,000-30,000 Da, is heat stable, non dialyzable, and resistant to protease digestion and periodate oxidation. Although the inhibitor functions at an e...

journal_title：Life sciences

authors： Sheid B,Nobiletti JB,Prat JC

更新日期：1990-01-01 00:00:00

abstract：AIMS:Endurance exercise causes fatigue due to mitochondrial dysfunction and oxidative stress. In order to find an effective strategy to prevent fatigue or enhance recovery, the effects of a combination of mitochondrial targeting nutrients on physical activity, mitochondrial function and oxidative stress in exercised ra...

journal_title：Life sciences

authors： Sun L,Shen W,Liu Z,Guan S,Liu J,Ding S

更新日期：2010-01-02 00:00:00

abstract：:This study was undertaken to examine the receptor selectivity of Met-enkephalin-Arg6-Phe7 (MERF) employing radioreceptor binding assays in human cerebral cortex membranes, and to elucidate the responsible receptors that mediate the regulatory action of MERF on high (20 mM) K+-stimulated release of [3H]norepinephrine (...

journal_title：Life sciences

authors： Kim KW,Woo RS,Kim CJ,Cheong YP,Kim JK,Kwun J,Cho KP

更新日期：2000-05-26 00:00:00

abstract：:Single smooth muscle cells from rat tail artery and ventricular myocytes from neonatal rat were isolated by repeated enzyme digestion. The change in cell area as determined photographically was used as an index of cell contraction. The photographic areas of single smooth muscle cells bathed in normal Tyrode solution w...

journal_title：Life sciences

authors： Wang R,Wu L,Karpinski E,Pang PK

更新日期：1993-01-01 00:00:00

abstract：:Clinical trials with muscarinic agonists or acetylcholine esterase inhibitors for the treatment of Alzheimer's dementia have shown disappointing or equivocal results. An alternative treatment of this disease is the development of drugs which enhance the release of acetylcholine. It is believed, that of the five muscar...

journal_title：Life sciences

authors： Doods HN,Quirion R,Mihm G,Engel W,Rudolf K,Entzeroth M,Schiavi GB,Ladinsky H,Bechtel WD,Ensinger HA

更新日期：1993-01-01 00:00:00

abstract：:The roles of capsaicin-sensitive sensory nerves (CPSN), endogenous nitric oxide (NO), sulfhydryls (SHs), prostaglandins (PGs) in the gastroprotection by momordin Ic, an oleanolic acid oligoglycoside isolated from the fruit of Kochia scoparia (L.) SCHRAD., on ethanol-induced gastric mucosal lesions were investigated in...

journal_title：Life sciences

authors： Matsuda H,Li Y,Yoshikawa M

更新日期：1999-01-01 00:00:00

abstract：:Since reduced levels of brain serotonin are known to cause behavioural abnormalities, to which diabetics are also prone, we investigated the effect, in rats, of chronic diabetes on brain serotonin concentration and on the numbers of 5-HT(1A) and 5-HT2 receptors in cerebral cortex and brainstem. Our data show that stre...

journal_title：Life sciences

authors： Sandrini M,Vitale G,Vergoni AV,Ottani A,Bertolini A

更新日期：1997-01-01 00:00:00

abstract：:Several serotonin (5-HT) receptor antagonists with varying specificities for the 5-HT receptor types, were studied with regard to their effects on blood glucose levels in mice. The non-selective antagonists, metergoline and methysergide, proved to be hyperglycemic at doses commonly used to antagonize 5-HT receptors. I...

journal_title：Life sciences

authors： Wozniak KM,Linnoila M

更新日期：1991-01-01 00:00:00

abstract：AIMS:This study aimed to design and screen a dual functional fusion peptide that could penetrate the blood-brain barrier and target neuropilin 1 (NRP1) overexpressed in vascular endothelial cells for the anti-angiogenesis of glioma treatment. MAIN METHODS:At the cellular level, the in vitro anti-angiogenic activity of...

journal_title：Life sciences

authors： Zhao L,Chen H,Lu L,Zhao C,Malichewe CV,Wang L,Guo X,Zhang X

更新日期：2021-01-27 00:00:00

abstract：:The discovery of CB1 and CB2 receptors and of endogenous agonists for these receptors has sparked renewed interest in the therapeutic potential of cannabinoids. This has led to a need for strategies that will provide a better separation of wanted from unwanted effects, particularly for CB1 receptor agonists. Possible ...

journal_title：Life sciences

authors： Pertwee RG

更新日期：1999-01-01 00:00:00

abstract：:The purpose of this study is to report the development of a non-radioactive fluorescent peptide assay for measuring protein kinase C activity (PKC). The assay is based on a glycogen synthase derived fluorescent peptide that is phosphorylated by PKC. Phosphorylation causes the peptide to migrate toward the anode while ...

journal_title：Life sciences

authors： Isbell JC,Christian ST,Mashburn NA,Bell PD

更新日期：1995-01-01 00:00:00

abstract：AIMS:We investigated whether cAMP-mediated protein kinase A(PKA) and Epac1/Rap1 pathways differentially affect brain tumor cell death using 4-(3-cyclopentyloxy-4-methoxyphenyl)-2-pyrrolidone(rolipram), specific phosphodiesterase type IV(PDE IV) inhibitor. MAIN METHODS:A172 and U87MG human glioblastoma cells were used....

journal_title：Life sciences

authors： Moon EY,Lee GH,Lee MS,Kim HM,Lee JW

更新日期：2012-02-27 00:00:00

abstract：:Tumor necrosis factor alpha (TNF-alpha) modulates various events through several different pathways. Many tumor cells are resistant to this cytokine. Pretreatment of these cells with actinomycin D enhances TNF-alpha-induced apoptosis. In the present study, we investigated the mechanism of this enhancement and whether ...

journal_title：Life sciences

authors： Nishida S,Yoshioka S,Kinoshita-Kimoto S,Kotani M,Tsubaki M,Fujii Y,Tomura TT,Irimajiri K

更新日期：2003-12-26 00:00:00

abstract：:Phosphatidylinositol (PI) specific phospholipase C treatment of rabbit platelets caused 95% release of acetylcholinesterase in the supernatant and 4 to 6% hydrolysis of membrane PI in 2 min. Under these conditions there was no cell lysis as monitored by lack of lactate dehydrogenase activity in the medium. The phospho...

journal_title：Life sciences

authors： Shukla SD

更新日期：1986-02-24 00:00:00

abstract：:Triiodothyronine (T3) increases phosphoglycerate mutase (PGAM) specific activity in rat skeletal and cardiac muscles. This increase is concomitant with an increase in the proportion of phosphoglycerate mutase isozymes which contain type-M subunit. Propylthiouracil (PTU), an anti-hormone, not only decreases phosphoglyc...

journal_title：Life sciences

authors： Esteller M,Ureña J,Carreras J,Martelly I,Climent F

更新日期：1994-01-01 00:00:00

abstract：:A phencyclidine (PCP) receptor binding site has been solubilized in an active ligand-binding state from rat cerebral cortical membranes with sodium deoxycholate. Optimal receptor solubilization occurs at a detergent/protein ratio of 0.5 (w/w); for 5 mg protein/ml solubilized with 0.25% sodium deoxycholate, about 60% o...

journal_title：Life sciences

authors： McVittie LD,Sibley DR

更新日期：1989-01-01 00:00:00

abstract：:The effects of taurine on hepatic cholesterol metabolism were investigated in hamsters fed a high-fat diet or normal chow. Two weeks-treatment of taurine at 1% in drinking water prevented high-fat diet-induced increase in cholesterol levels of serum and liver. The decrease in serum cholesterol by taurine was due to de...

journal_title：Life sciences

authors： Murakami S,Kondo Y,Toda Y,Kitajima H,Kameo K,Sakono M,Fukuda N

更新日期：2002-04-05 00:00:00

abstract：:Early induction of VEGF was studied in liver, kidney and lung of spontaneously diabetic rats. Western blot analysis, northern hybridization were applied to show the expression of VEGF in different organs. Radiolabelled hypoxia responsive element (HRE) and cAMP responsive element (CRE) oligonucleotides were assayed by ...

journal_title：Life sciences

authors： Braun L,Kardon T,Reisz-Porszasz ZS,Banhegyi G,Mandl J

更新日期：2001-10-12 00:00:00

abstract：:There is evidence that senescence affects neurotransmission at different levels. In particular, this review summarizes the studies on age-dependent modifications in protein phosphorylation, which represents the final pathway in the action of transmitters and hormones at neuronal level. Cyclic AMP-dependent protein kin...

journal_title：Life sciences

authors： Magnoni MS,Govoni S,Battaini F,Trabucchi M

更新日期：1991-01-01 00:00:00

abstract：:We investigated the effects of VA-045, an apovincaminic acid derivative, on isolated blood vessels. VA-045 (10(-7)-10(-5) M) and vinpocetine (10(-7)-10(-5) M) inhibited the 64 mM KCl-induced and 10(-6)M norepinephrine (NE)-induced contraction of rat aortic strips. VA-045 (10(-7)-10(-4) M) and vinpocetine (10(-7)-10(-4...

journal_title：Life sciences

authors： Miyata N,Yamaura H,Tanaka M,Muramatsu M,Tsuchida K,Okuyama S,Otomo S

更新日期：1993-01-01 00:00:00

abstract：:Nociceptin/orphanin FQ (=N/OFQ), the endogenous ligand of ORL1 receptor (=NOP), has been reported to induce, in rodents, after intracerebroventricular (i.c.v.) administration, anti-stress and anxiolytic effects. We have observed that the handling of mice followed by an i.c.v. injection of saline, induced a marked incr...

journal_title：Life sciences

authors： Le Cudennec C,Naudin B,Do Rego JC,Costentin J

更新日期：2002-11-29 00:00:00

abstract：:Morning urine samples were assayed for human EGF (hEGF) in 137 non-insulin dependent diabetic patients with normal serum creatinine and beta 2-microglobulin levels. Serving as controls, 80 age- and sex-matched healthy subjects were also examined. A significant positive correlation between hEGF excretion and the level ...

journal_title：Life sciences

authors： Kawaguchi M,Kamiya Y,Ito J,Fujii T,Hayakawa F,Sakuma N,Fujinami T

更新日期：1993-01-01 00:00:00

abstract：:Ketamine, used clinically as an intravenous analgetic and dissociative anaesthetic agent, is a racemate with both pharmacokinetic and pharmacodynamic enantioselectivity. S-ketamine has been found have a higher clearance and greater potency than R-ketamine as well as a greater therapeutic index. We performed a study in...

journal_title：Life sciences

authors： Edwards SR,Mather LE

更新日期：2001-09-14 00:00:00

abstract：:This study demonstrates the formation of gamma-glutamyl peptides from glutamine and plasma amino acids, as catalyzed by gamma-glutamyl transpeptidase. It also establishes the effect of various amino acids in modulating the rate of glutamine utilization as well as the hydrolytic or transfer product formed. The mechanis...

journal_title：Life sciences

authors： Dass PD

更新日期：1983-10-31 00:00:00

abstract：:We have evaluated the effect of intraperitoneal (I.P.) injection of human recombinant interferon-2alpha (IFN-alpha) on Bleomycin-induced pulmonary injury in hamsters. Pulmonary injury was induced by a single intratracheal (I.T.) instillation of Bleomycin (Bleo). Six groups of male Syrian hamsters were treated as follo...

journal_title：Life sciences

authors： Berkman N,Goldstein RH,Breuer R

更新日期：1997-01-01 00:00:00