Acetone extract of Bupleurum scorzonerifolium inhibits proliferation of A549 human lung cancer cells via inducing apoptosis and suppressing telomerase activity.

abstract：:Human T-cell lymphotropic virus type 1 (HTLV-1) is associated with adult T-cell leukemia/lymphoma (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Only a limited percentage of infected individuals develop disease in response to the virus while the majority remain asymptomatic, and HAM/TSP...

journal_title：Life sciences

authors： Fuzii HT,da Silva Dias GA,de Barros RJ,Falcão LF,Quaresma JA

更新日期：2014-05-28 00:00:00

abstract：AIMS:The central melanocortin system regulates a variety of metabolic functions including lipid metabolism and hepatic lipogenic gene expression. The objective of the present study was to determine whether central melanocortin regulates hepatic lipogenic gene expression under insulin insufficient condition. MAIN METHO...

journal_title：Life sciences

authors： Leckstrom A,Lew PS,Poritsanos NJ,Mizuno TM

更新日期：2011-04-11 00:00:00

abstract：AIMS:slc26a proteins are responsible for a large number of functions either in normal physiology or in human disease. We have previously reported that proximal tubular epithelial (PTE) cells immortalized from spontaneously hypertensive rats (SHRs) were endowed with increased Cl(-)/HCO3(-) exchanger activity and slc26a6...

journal_title：Life sciences

authors： Simão S,Gomes P,Pinho MJ,Soares-da-Silva P

更新日期：2013-10-06 00:00:00

abstract：:Muscarinic agonists elicit contraction in the standard guinea pig ileum bioassay through activation of M3 muscarinic receptors that are also linked to phosphoinositide hydrolysis. Surprisingly, the most abundant muscarinic receptor in the ileum is the M2 which causes a specific inhibition of cyclic AMP accumulation el...

journal_title：Life sciences

authors： Ehlert FJ,Thomas EA

更新日期：1995-01-01 00:00:00

abstract：:In fish liver catecholamines bind to beta-adrenoceptors (AR) and increase glucose release via cAMP augmentation. Alpha1-AR have recently been shown to mediate IP3 and Ca2+ elevation in catfish and eel hepatocytes, although their coupling to a physiological response has remained doubtful. We have perifused isolated cat...

journal_title：Life sciences

authors： Fabbri E,Buzzi M,Biondi C,Capuzzo A

更新日期：1999-01-01 00:00:00

abstract：AIMS:The aims of the study are to investigate whether the combination of adipose-derived stem cells (ADSCs) with decellularized extracellular matrix (dECM) of myocardium can exert synergistic therapeutic effects on acute MI and the underlying mechanism. MAIN METHODS:Myocardial dECM from fresh porcine myocardium was pr...

journal_title：Life sciences

authors： Qiao L,Kong Y,Shi Y,Sun A,Ji R,Huang C,Li Y,Yang X

更新日期：2019-12-15 00:00:00

abstract：:In canine renal tubular cells, the effect of Y-24180, a presumed specific platelet activating factor (PAF) receptor antagonist, on intracellular Ca(2+) concentration ([Ca(2+)](i)) was measured by using fura-2 as a Ca(2+)-sensitive fluorescent probe. Y-24180 (0.1-10 microM) caused a rapid and sustained [Ca(2+)](i) rise...

journal_title：Life sciences

authors： Chao YY,Jan CR

更新日期：2004-01-02 00:00:00

abstract：:G protein-coupled receptors (GPCRs) are integral membrane proteins that, in response to activation by extracellular stimuli, regulate intracellular second messenger levels via their coupling to heterotrimeric G proteins. GPCR activation also initiates a series of molecular events that leads to G protein-coupled recept...

journal_title：Life sciences

authors： Seachrist JL,Ferguson SS

更新日期：2003-12-05 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：:Ovine fetal renal responses to ANF decrease during the last third of gestation, although circulating fetal plasma atrial natriuretic factor (ANF) levels are higher than in the maternal circulation, and do not change with gestation. This study examined whether previously reported maturational changes in fetal renal res...

journal_title：Life sciences

authors： Dodd A,Kullama LK,Ervin MG,Leake RD,Ross MG

更新日期：1994-01-01 00:00:00

abstract：:Human histiocytic lymphoma cells (U-937) undergo similar differentiation when incubated with the phorbol ester 12-0-tetradecanoyl phorbol-13-acetate (TPA) and 1,25-dihydroxycholecalciferol. In this action, TPA somehow implicates calcium-sensitive and phospholipid-dependent protein kinase (protein kinase C), which is r...

journal_title：Life sciences

authors： Mezzetti G,Bagnara GP,Monti MG,Pernecco Casolo L,Bonsi L,Brunelli MA

更新日期：1987-05-25 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：:The in vitro oxidative hemolysis of human red blood cells (RBCs) was used as a model to study the free radical-induced damage of biological membranes and the protective effect of flavonols and their glycosides (FOHs), i.e., myricetin (MY), quercetin (Q), morin (MO), kaempferol (K), rutin (R), quercetin galactopyranosi...

journal_title：Life sciences

authors： Dai F,Miao Q,Zhou B,Yang L,Liu ZL

更新日期：2006-04-18 00:00:00

abstract：:Diabetes mellitus is a metabolic disorder in which the glucose level in blood exceeds beyond the normal level. Persistent hyperglycemia leads to diabetes late complication and obviously account for a large number of morbidity and mortality worldwide. Numerous therapeutic options are available for the treatment of diab...

journal_title：Life sciences

authors： Marya,Khan H,Nabavi SM,Habtemariam S

更新日期：2018-01-15 00:00:00

abstract：:Recent studies have indicated that Ginsenoside Rb1, one of the major components of ginseng root, may play an important role in protecting cells from damage. Here, we investigated the neuroprotective activity of Rb1 after hypoxic injury in young rats. About 50% animals were dead by exposing hypoxic condition three time...

journal_title：Life sciences

authors： Park JK,Namgung U,Lee CJ,Park JO,Jin SH,Kwon OB,Ko SR,Kim SW,Kang EJ,Ko JH,Lee SM,Kim DH,Won MH

更新日期：2005-01-14 00:00:00

abstract：:Progressive lysis of bone in loose total hip replacement has been ascribed to the capacity of the synovial-like membrane present at the bone interface to produce prostaglandin E2 and cytokines such as tumor necrosis factor (TNF alpha). Phospholipase A2 (PLA2) produces rate limiting precursor i.e. arachidonic acid in t...

journal_title：Life sciences

authors： Cirino G,Misasi M,Loffredo A,Sorrentino L,Caivano P,Bucci M,Cicala C

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND:Cigarette smoke extract (CSE) affects the expression of non-neuronal components of cholinergic system in bronchial epithelial cells and, as PEBP1/Raf-mediated MAPK1/2 and ERK1/2 pathway, promotes inflammation and oxidative stress. AIMS:We studied whether Acetylcholine (ACh) is involved in the mechanism of c...

journal_title：Life sciences

authors： Albano GD,Bonanno A,Moscato M,Anzalone G,Di Sano C,Riccobono L,Wenzel SE,Profita M

更新日期：2018-01-01 00:00:00

abstract：AIMS:The effects of chronic administration of Ferutinin (phytoestrogen found in the plants of genus Ferula), compared with those elicited by estradiol benzoate, were evaluated, following ovariectomy, on the uterus of ovariectomized rats as regard weight, size, structure and histomorphometry. MAIN METHODS:The experimen...

journal_title：Life sciences

authors： Ferretti M,Bertoni L,Cavani F,Benincasa M,Sena P,Carnevale G,Zavatti M,Viesti VD,Zanoli P,Palumbo C

更新日期：2012-01-16 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：AIMS:Normal human cells in culture progressively lose their capacity for replication, ending in an irreversible arrested state known as replicative senescence. Senescence has been functionally associated to the process of organismal ageing and is also considered a major tumor-suppressing mechanism. Although a great dea...

journal_title：Life sciences

authors： Maeda M,Scaglia N,Igal RA

更新日期：2009-01-16 00:00:00

abstract：:Female white-footed mice (Peromyscus leucopus) were injected twice daily with 5, 10, 50, 100 micrograms melatonin (MEL) or saline. Injections were given for 7 weeks at 2 and 12 hours after lights-on under a long day (LD 16:8) photoperiod. Afternoon administration of MEL induced gonadal regression, although a dose of 5...

journal_title：Life sciences

authors： Hall ES,Lynch GR

更新日期：1985-08-26 00:00:00

abstract：:Twice daily injection of caffeine (30 mg/kg) for 3-1/2 days shifted the caffeine stimulus generalization curve to the right by 3-fold in rats trained to discriminate saline from 30 mg/kg of caffeine, and by 4-fold in rats trained to discriminate saline from 10 mg/kg of caffeine. The latter group was also tested for cr...

journal_title：Life sciences

authors： Holtzman SG

更新日期：1987-01-26 00:00:00

abstract：:Inositol hexaphosphate (InsP6 or IP6) is ubiquitous. At 10 microM to 1 mM concentrations, IP6 and its lower phosphorylated forms (IP(1-5)) as well as inositol (Ins) are contained in most mammalian cells, wherein they are important in regulating vital cellular functions such as signal transduction, cell proliferation a...

journal_title：Life sciences

authors： Shamsuddin AM,Vucenik I,Cole KE

更新日期：1997-01-01 00:00:00

abstract：:The aim of the present study was to investigate the existence of aging- and sex-related alterations in the permeability of the blood-brain barrier (BBB) in the rat, by calculating a unidirectional blood-to-brain transfer constant (Ki) for the circulating tracer [14C]-alpha-aminoisobutyric acid. We observed that: a) th...

journal_title：Life sciences

authors： Saija A,Princi P,D'Amico N,De Pasquale R,Costa G

更新日期：1990-01-01 00:00:00

abstract：:The ATP-binding cassette (ABC) and solute carrier (SLC) transporter families consist of common drug transporters that mediate the efflux and uptake of drugs, respectively, and play an important role in the absorption, distribution, metabolism and excretion of drugs in vivo. Rheumatoid arthritis (RA) is an autoimmune d...

journal_title：Life sciences

authors： Gao J,Wang C,Wei W

更新日期：2021-01-08 00:00:00

abstract：:This study characterizes several proteins in rat spleen lymphocyte lysates and conditioned medium that are recognized by antiserum to purified rat pituitary prolactin (PRL). One of these proteins, rat prolactin-immunoreactive protein (rPIP-43), has a relative molecular mass (Mr) of 43,000 and is strongly induced by mi...

journal_title：Life sciences

authors： Masten SA,Shiverick KT

更新日期：1997-01-01 00:00:00

abstract：:As a decrease in cholinergic neurons has been observed in Alzheimer's Disease (AD), therapeutic approaches to AD include inhibition of acetylcholinesterase to increase acetylcholine levels. Evidence suggests that acetylcholine release in the CNS is modulated by negative feedback via presynaptic M2 receptors, blockade ...

journal_title：Life sciences

authors： Lachowicz JE,Lowe D,Duffy RA,Ruperto V,Taylor LA,Guzik H,Brown J,Berger JG,Tice M,McQuade R,Kozlowski J,Clader J,Strader CD,Murgolo N

更新日期：1999-01-01 00:00:00

abstract：:Previous studies have paid little attention to the anticonvulsant effect of anticholinergic drugs that act on both muscarinic (M) and nicotinic (N) receptors during soman-induced seizures. Therefore, with the establishment of a soman-induced seizures model in rats, this study evaluated the efficacy in preventing soman...

journal_title：Life sciences

authors： Wang YA,Zhou WX,Li JX,Liu YQ,Yue YJ,Zheng JQ,Liu KL,Ruan JX

更新日期：2005-11-26 00:00:00

abstract：:The beta adrenoceptor antagonist radioligand [3H] dihydroalprenolol (DHA) has been used to characterise beta adrenoceptors in membranes prepared from rat renal glomeruli. Association of the ligand was rapid and had reached equilibrium within 10 mins at 37 degrees C. Dissociation occurred in two distinct phases, a rapi...

journal_title：Life sciences

authors： McPherson GA,Summers RJ

更新日期：1983-07-04 00:00:00

abstract：:Experiments were undertaken to examine the characteristics of the adrenergic receptor-coupled cAMP system in rat brain slices. It was found that the potentiation of isoproterenol-stimulated cAMP accumulation by 6-fluoronorepinephrine, an alpha-adrenergic agonist, is largely dependent upon the degree of beta-receptor o...

journal_title：Life sciences

authors： Pilc A,Enna SJ

更新日期：1985-09-30 00:00:00