A spinal site mediates opiate analgesia in frogs.

abstract：:A phospholipase A2 (OHV A-PLA2) from the venom of Ophiophagus hannah (King cobra) is an acidic protein exhibiting antiplatelet activity. In in vitro tests, OHV APLA2 showed a marked inhibitory effect on platelet aggregation induced by ADP, collagen and arachidonic acid in both human whole blood and platelet-rich plasm...

journal_title：Life sciences

authors： Huang MZ,Gopalakrishnakone P,Kini RM

更新日期：1997-01-01 00:00:00

abstract：:Buddlejasaponin I and saikosaponin 1 and 2, biologically active compounds from Scrophularia scorodonia and Bupleurum rigidum respectively, exert potent in vivo antiinflammatory effects on mouse ear edema induced by phorbol myristate acetate (PMA). The effects of these compounds on swelling and other inflammatory param...

journal_title：Life sciences

authors： Bermejo Benito P,Abad Martínez MJ,Silván Sen AM,Sanz Gómez A,Fernández Matellano L,Sánchez Contreras S,Díaz Lanza AM

更新日期：1998-01-01 00:00:00

abstract：:DNA is considered to be one of the most promising targets for anticancer agents. Acridine analogues have anticancer activity based on DNA binding and topoisomerases inhibition. However, due to the side effects, resistance and low bioavailability, a few have entered into clinical usage and the mechanisms of action are ...

journal_title：Life sciences

authors： Zhou Q,You C,Zheng C,Gu Y,Gu H,Zhang R,Wu H,Sun B

更新日期：2018-08-01 00:00:00

abstract：:This study investigated the effect of berberine (BER) in the mouse forced swim test (FST) and in the tail suspension test (TST), two models predictive of antidepressant activity. We also investigated the antidepressant-like mechanism of BER by the combination of the desipramine [DES, an inhibitor of reuptake of noradr...

journal_title：Life sciences

authors： Peng WH,Lo KL,Lee YH,Hung TH,Lin YC

更新日期：2007-08-23 00:00:00

abstract：:A completely randomized controlled study based on a rabbit model was designed to study the effect of repetitive ischemic preconditioning (IPC) on a spinal cord ischemic reperfusion injury. Twenty four white adult Japanese rabbits were randomly assigned to one of the 3 groups (n = 8 per group): Group I: sham-operation ...

journal_title：Life sciences

authors： Yu QJ,Wang YL,Zhou QS,Huang HB,Tian SF,Duan DM

更新日期：2006-09-05 00:00:00

abstract：:Previous studies showed that acute treatment with aminophylline (AMPY) significantly elevated maximum thermogenesis and improved cold tolerance in rats and man in severe cold. However, the exact mechanism by which AMPY enhances thermogenesis was unknown. Rats receiving enprofylline (ENPRO) (1.5 and 15 mg/kg, i.p.), a ...

journal_title：Life sciences

authors： Wang LC,Jourdan ML,Lee TF

更新日期：1989-01-01 00:00:00

abstract：:Mitochondrial dysfunction caused by calcium overload is a vital factor for mediating cardiomyocyte death following ischemia/reperfusion (I/R) injury. The stromal interactive molecule 2 (STIM2) is a calcium sensor protein that regulates the store-operated calcium entry (SOCE). Whereas, whether STIM2 is associated with ...

journal_title：Life sciences

authors： Tu CC,Wan BY,Zeng Y

更新日期：2020-04-15 00:00:00

abstract：:The role of FSH in inducing folliculogenesis is well established. Recently, the availability of pure FSH has led to a reevaluation of its role in the process of ovulation. Previously, these functions have been examined separately, usually with pregnant mares' serum gonadotropin (PMSG) followed by FSH for ovulation or ...

journal_title：Life sciences

authors： Rice VC,Zusmanis K,Malter H,Mitchell-Leef D

更新日期：1993-01-01 00:00:00

abstract：:Intracellular calcium plays an important role on the pathogenesis of hypoxia-induced cellular injury. Calbindin-D(28k), a cytosolic vitamin D-dependent calcium binding protein, can serve as a buffer to limit a surge in intracellular Ca2+ concentration ([Ca2+]i) induced by various stimulations. To evaluate the possible...

journal_title：Life sciences

authors： Wu MJ,Lai LW,Lien YH

更新日期：2002-06-21 00:00:00

abstract：AIMS:Excessive production of nitric oxide (NO) and reactive oxygen species (ROS) in sepsis modulates different cell functions. Since the sepsis severity is associated with the degree of platelet activation, we decided to investigate the role of systemic generation of NO and ROS in modulating the platelet adhesion of li...

journal_title：Life sciences

authors： Casarin AL,Lopes-Pires ME,Morganti RP,Antunes E,Marcondes S

更新日期：2011-11-21 00:00:00

abstract：:The metabolism of haloperidol (HP) to the potentially neurotoxic pyridinium species, HPP+ and RHPP+, has been demonstrated in humans. In vitro studies in microsomes harvested from various animal species indicate that the tetrahydropyridines, HPTP and RHPTP, could be intermediates in this pathway. However, this has not...

journal_title：Life sciences

authors： Avent KM,Riker RR,Fraser GL,Van der Schyf CJ,Usuki E,Pond SM

更新日期：1997-01-01 00:00:00

abstract：:Acetylcholine (ACh) may be an ovarian signaling molecule, since ACh is produced by non-neuronal granulosa cells (GCs) derived from the antral follicle, and likely also by their in vivo counterparts in the growing follicle. Furthermore, muscarinic ACh receptors (MR) are present in GC membranes and in cultured human GCs...

journal_title：Life sciences

authors： Kunz L,Roggors C,Mayerhofer A

更新日期：2007-05-30 00:00:00

abstract：AIMS:To determine whether increased N-acetyltransferase (NAT) activity might have a toxic effect during development and an influence on folate levels since previous work has shown that only low levels of exogenous NAT can be achieved in constitutionally transgenic mice (Cao et al. 2005). MAIN METHODS:A human NAT1 tet-...

journal_title：Life sciences

authors： Cao W,Strnatka D,McQueen CA,Hunter RJ,Erickson RP

更新日期：2010-01-16 00:00:00

abstract：AIMS:The purpose of the study was to determine whether late therapeutic hypothermia (LTH), administered after reperfusion, could prevent adverse left ventricular (LV) remodeling and improve cardiac function in the rat myocardial ischemia/reperfusion model. MAIN METHODS:Rats were randomized to normothermia (n = 10) or ...

journal_title：Life sciences

authors： Shi J,Dai W,Carreno J,Hale SL,Kloner RA,Kay GL

更新日期：2019-07-15 00:00:00

abstract：AIMS:microRNA-96 (miR-96) is considered as a tumor suppressor in multiple malignancies. Some studies have indicated that EZRIN could be regulated by the miR-96 in several kinds of cancer cells. However, the function of miR-96 in human osteosarcoma has not been investigated intensively so far. In this study, we mainly e...

journal_title：Life sciences

authors： Yao Q,Pei Y,Zhang X,Xie B

更新日期：2018-06-15 00:00:00

abstract：:The prototypic arylpiperazines, meta-chlorophenylpiperazine (mCPP), meta-trifluoromethylphenylpiperazine (TFMPP) and quipazine are widely studied serotonergic ligands with nonselective effects at 5HT1 and 5HT2 receptor subtypes. The present study was designed to compare the affinities of these arylipiperazines at 5HT3...

journal_title：Life sciences

authors： Robertson DW,Bloomquist W,Wong DT,Cohen ML

更新日期：1992-01-01 00:00:00

abstract：:The mouse neuroblastoma x rat glioma hybrid NG108-15 was previously shown to express delta opioid receptors. Because neuroblastoma cells display different phenotypes and cloned cell lines are heterogenous, we studied the characteristics and distribution of human 125I-beta-endorphin (125I-beta E) binding sites in cultu...

journal_title：Life sciences

authors： Cone RI,Rosenfeld S,Lameh J,Sadée W

更新日期：1992-01-01 00:00:00

abstract：:N(G)-Nitro-L-arginine methyl ester (L-NAME), inhibits the three isozymes of nitric oxide synthase (NOS) in vitro and in vivo. The mechanism of NOS inhibition by L-NAME is uncertain. L-NAME was a time-dependent inhibitor of neuronal NOS (nNOS). Concommitantly, L-NAME was hydrolyzed, non-enzymatically, to N(G)-Nitro-L-a...

journal_title：Life sciences

authors： Furfine ES,Carbine K,Bunker S,Tanoury G,Harmon M,Laubach V,Sherman P

更新日期：1997-01-01 00:00:00

abstract：:Chemokines constitute a large family of structurally-related small cytokines originally identified as factors regulating the migration of leukocytes in inflammatory and immune responses. Production of chemokines and their receptors in the brain has been reported under various pathological conditions. We revealed that ...

journal_title：Life sciences

authors： Minami M,Satoh M

更新日期：2003-12-05 00:00:00

abstract：:The purpose of this study was to investigate the effect of T3 on amino acid accumulation and on the membrane potential of Sertoli cells of immature rat testes. Testes of pre-pubertal and pubertal rats were pre-incubated (30 min) in Krebs-Ringer bicarbonate buffer and incubated in the presence of [14C]methylaminoisobut...

journal_title：Life sciences

authors： Silva FR,Leite LD,Barreto KP,D'Agostini C,Zamoner A

更新日期：2001-07-13 00:00:00

abstract：:To elucidate the pharmacological profile of P2X receptors and the probable expression of P2Y receptors in otic ganglion neurons from 17-day-old rats, single neurons were enzymatically isolated and maintained in tissue culture for up to 30 h. Whole-cell voltage-clamp recording was carried out at a holding potential of ...

journal_title：Life sciences

authors： Ma B,Yu LH,Fan J,Ni X,Burnstock G

更新日期：2008-08-01 00:00:00

abstract：:Although the aging effect of dopamine D2 receptor in the striatum is well-documented, the effect of age on the extrastriatal dopamine D2 receptor has not been fully examined. Since the density of extrastriatal dopamine D2 receptor is very low, suitable ligands are limited. In this study, we used [11C]FLB 457 to quanti...

journal_title：Life sciences

authors： Inoue M,Suhara T,Sudo Y,Okubo Y,Yasuno F,Kishimoto T,Yoshikawa K,Tanada S

更新日期：2001-07-20 00:00:00

abstract：:Even though conventional systemic doses of cimetidine and other histamine H(2) antagonists display minimal brain penetration, central nervous system (CNS) effects (including seizures and analgesia) have been reported after administration of these drugs in animals and man. To test the hypothesis that cimetidine-like dr...

journal_title：Life sciences

authors： Cannon KE,Fleck MW,Hough LB

更新日期：2004-10-08 00:00:00

abstract：:Antroduodenal myoelectric activity was recorded in conscious sheep by electrodes chronically implanted in the muscular wall. Furthermore, plasma immunoreactive (i.r.) motilin, somatostatin and bombesin concentrations were determined by RIA. The intravenous infusion of somatostatin (20 ng/kg/min), bombesin (10 ng/kg/mi...

journal_title：Life sciences

authors： Plaza MA,Arruebo MP,Murillo MD

更新日期：1996-01-01 00:00:00

abstract：:A heterogeneous particulate fraction of mouse brain homogenates binds NRDC 157 (3-phenoxybenzyl [1R, cis]-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate), a potent pyrethroid insecticide, stereospecifically and with high affinity. Stereospecific binding is a minor component of total binding (2.8%); the remai...

journal_title：Life sciences

authors： Soderlund DM,Ghiasuddin SM,Helmuth DW

更新日期：1983-07-18 00:00:00

abstract：:The conversion of beta-carotene to retinal and the succeeding metabolic process of the retinal leading to production of retinol and retinyl esters are the prerequisite for the utilization of beta-carotene as a provitamin A. These processes are participated by beta-carotene cleavage enzyme, retinal reductase and retino...

journal_title：Life sciences

authors： Tajima S,Goda T,Takase S

更新日期：1999-01-01 00:00:00

abstract：:6-mercaptopurine (6-MP) has been used clinically for 40 years to maintain remission in patients with acute lymphoblastic leukemia (ALL). However, central nervous system (CNS) relapses frequently occur in patients with ALL who continuously receive anticancer drugs, including 6-MP, during remission maintenance therapy. ...

journal_title：Life sciences

authors： Deguchi Y,Yokoyama Y,Sakamoto T,Hayashi H,Naito T,Yamada S,Kimura R

更新日期：2000-01-01 00:00:00

abstract：:In acute coronary syndromes such as unstable angina and myocardial infarction, serum concentration of brain natriuretic peptide, a cardiac hormone with potent vasodilatatory, natriuretic and diuretic activities, is elevated. Little is known about the effect of elevated BNP plasma concentration on free radical-mediated...

journal_title：Life sciences

authors： Garlichs CD,Zhang H,Schmeisser A,Daniel WG

更新日期：1999-01-01 00:00:00

abstract：:Further confirmation that the LHRH/LHRH agonist-induced ovulation in the hypophysectomized (hypx) rat is due to a direct ovarian effect and not mediated by LH release from residual pituitary tissue or other CNS sites is provided by the persistence of this effect despite concomitant median eminence lesion or passive im...

journal_title：Life sciences

authors： Bex FJ,Corbin A

更新日期：1984-08-27 00:00:00

abstract：:We conducted a study to determine whether angiotensin converting enzyme inhibitors (ACEIs) inhibit endothelin secretion from cultured human endothelial cells. Confluent umbilical vein endothelial cells were incubated in multi-well plates with culture medium containing either captopril (10(-6), 10(-5), 10(-4) M) or ena...

journal_title：Life sciences

authors： Yoshida H,Nakamura M

更新日期：1992-01-01 00:00:00