Platelet-activating factor stimulates production of prostaglandin E2 in murine osteoblast-like cell line MC3T3-E1.

abstract：:We evaluated the effect of several classes of calmodulin inhibitors on the activity of calmodulin prepared from C6 astrocytoma cells and studied the activity of these drugs as inhibitors of the growth of C6 cells in tissue culture. There was a good correlation between the activity of the drugs as inhibitors of calmodu...

journal_title：Life sciences

authors： Lee GL,Hait WN

更新日期：1985-01-28 00:00:00

abstract：:This study examined the protective role of metallothionein (MT) against pulmonary damage caused by acute exposure to metallic mercury (Hg0) vapor using MT-null and wild-type mice. Both strains of mice were exposed to Hg0 at 6.6 to 7.5 mg/m3 for 4 hr each day for 3 consecutive days. This dosing protocol was lethal to o...

journal_title：Life sciences

authors： Yoshida M,Satoh M,Shimada A,Yasutake A,Sumi Y,Tohyama C

更新日期：1999-01-01 00:00:00

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：:The effects of methylprednisolone (m-PSL) on IL-1beta-induced neutrophil-endothelial cell interactions, which are normally mediated by increased expression of both intercellular adhesion molecule-1 (ICAM-1) and E-selectin on endothelial cells, were examined using an in vitro flow system. Human neutrophilic polymorphon...

journal_title：Life sciences

authors： Yoshida N,Yoshikawa T,Nakamura Y,Takenaka S,Sakamoto K,Manabe H,Nakagawa S,Kondo M

更新日期：1997-01-01 00:00:00

abstract：:Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1), an adhesion molecule of the immunoglobulin superfamily, has been characterized as a putative tumor suppressor because it is frequently down-regulated in aggressive types of cancer cells. Recently, however, several studies have shown that CEACAM1 acti...

journal_title：Life sciences

authors： Hokari M,Matsuda Y,Wakai T,Shirai Y,Sato M,Tsuchiya A,Takamura M,Yamagiwa S,Suzuki K,Ohkoshi S,Ichida T,Kawachi H,Aoyagi Y

更新日期：2007-07-04 00:00:00

abstract：:Nicotine is the main constituent of tobacco smoke responsible for the elevated risk of the cardiovascular disease and sudden coronary death associated with smoking, presumably by provoking cardiac arrhythmias. The cellular mechanisms may be related to the ability of nicotine to prolong action potentials and to depolar...

journal_title：Life sciences

authors： Wang H,Shi H,Wang Z

更新日期：1999-01-01 00:00:00

abstract：:Immunization with plasmid DNA encoding antigenic proteins elicits both antibody and cell-mediated immune responses. This method of producing the protein antigens of interest directly in host cells can provide appropriate tertiary structure for the induction of conformationally specific antibodies, and also facilitates...

journal_title：Life sciences

authors： Donnelly JJ,Ulmer JB,Liu MA

更新日期：1997-01-01 00:00:00

abstract：:The effects of methadone and morphine on fetal behavior were studied following their administration to either the mother (5micrograms/kg/min) or fetus (0.5micrograms/kg maternal wt./min) using the chronically-instrumented pregnant ewe model. Fourteen unanesthetized, unrestrained pregnant ewes between 130-141 days gest...

journal_title：Life sciences

authors： Umans JG,Szeto HH

更新日期：1983-01-01 00:00:00

abstract：:Lewis rats were trained to self-stimulate the medial forebrain bundle (MFB) using a rate-frequency paradigm. They were then tested for the effects of the cannabinoid receptor agonist CP 55,940, the selective cannabinoid receptor antagonist SR 141716 and the dopamine D1 receptor antagonist SCH 23390. CP 55,940 (0, 10, ...

journal_title：Life sciences

authors： Arnold JC,Hunt GE,McGregor IS

更新日期：2001-11-21 00:00:00

abstract：:The presence of met5-enkephalin-arg6-phe7 (YGGFMRF) and opiate receptors in rat, guinea pig and human lung was investigated with specific and sensitive radio immuno- and radio-receptor assays. 1) High and low molecular weight YGGFMRF-like immunoreactivity were detected in lung extracts using Bio-Gel P-2 column chromat...

journal_title：Life sciences

authors： Tang J,Chou J,Zhang AZ,Yang HY,Costa E

更新日期：1983-05-16 00:00:00

abstract：AIMS:Pulmonary hypertension (PH) is a proliferative disorder characterized by enhanced proliferation and suppressed apoptosis of intrapulmonary vascular smooth muscle cells. Recently, network-based bioinformatics have identified let-7 family, a tumor suppressive microRNA, regulate multiple interacting targets relevant ...

journal_title：Life sciences

authors： Zhang WF,Xiong YW,Zhu TT,Xiong AZ,Bao HH,Cheng XS

更新日期：2017-02-01 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：AIM:Evidence suggests that task-specific gait training improves locomotor impairments in people with incomplete spinal cord injury (SCI); however, plastic changes in brain areas remain poorly understood. The aim of this study was to examine the possible effects of a task-specific overground gait training on locomotor r...

journal_title：Life sciences

authors： Ilha J,Meireles A,de Freitas GR,do Espírito Santo CC,Machado-Pereira NAMM,Swarowsky A,Santos ARS

更新日期：2019-09-01 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：:Benzodiazepines reliably produce overconsumption of food and fluids. Opiate antagonists, naloxone and naltrexone, block the benzodiazepine-induced hyperphagia and hyperdipsia at low doses. Hence, activation of endogenous opioid mechanisms may be closely involved in the benzodiazepine facilitatory effects on ingestiona...

journal_title：Life sciences

authors： Cooper SJ

更新日期：1983-03-07 00:00:00

abstract：:Actinomycin D was found to block binding of a monoclonal antibody to nucleolar phosphoprotein 37/5.2 (B23) when incubated either simultaneously with or prior to addition of the antibody. Daunorubicin had no significant blocking activity of this antigen-antibody reaction. In comparative studies with a monoclonal antibo...

journal_title：Life sciences

authors： Busch RK,Chan PK,Busch H

更新日期：1984-10-22 00:00:00

abstract：:Differences in prevalence and mortality from coronary artery disease (CAD) were observed among the different Israeli ethnic groups. The incidence of CAD in Israel is highest among Ashkenazi Jews and is much lower among Yemenite Jews. In this present study, we selected 15 single nucleotide polymorphisms (SNPs) from 14 ...

journal_title：Life sciences

authors： Nakai K,Habano W,Nakai K,Fukushima N,Fujita T,Gurwitz D

更新日期：2004-07-09 00:00:00

abstract：:Kappa (kappa) opioid agonists induce a water diuresis and inhibit vasopressin (AVP) secretion. Hypothalamic and neurohypophysial sites have both been implicated in the response. The present study was designed to ascertain if kappa-agonist inhibition of osmotically-stimulated AVP secretion is associated with parallel c...

journal_title：Life sciences

authors： Rossi NF,Kim JK,Summers SN,Schrier RW

更新日期：1997-01-01 00:00:00

abstract：:In order to explore the effect of neonatal androgen administration on oocyte quality, ovulation induction and in vitro fertilization (IVF) were performed in androgen-sterilized mice. Androgen sterilized mice were produced by the subcutaneous injection of testosterone propionate (TP) at 5 days of age and ovulation indu...

journal_title：Life sciences

authors： Kamijo T,Mizunuma H,Yamada K,Ibuki Y

更新日期：1994-01-01 00:00:00

abstract：:Calcium ionophores, such as the A23187, cause endothelium-dependent relaxation of arterial strips with intact endothelium, whereas the effect of the ionophore should result from the combination of a relaxation caused by the endothelium-dependent factors and of a contraction of the smooth muscles. In addition, the appl...

journal_title：Life sciences

authors： Budel S,Beny JL

更新日期：2000-06-23 00:00:00

abstract：:The effects of nineteen AHPA* derivatives were examined on morphine analgesia by tail-flick test in rats and on enkephalinase inhibition which was based on the formation of tyrosyl-glycyl-glycine from met-enkephalin. The correlation between the enhancement of morphine analgesia in vivo and enkephalinase inhibition in ...

journal_title：Life sciences

authors： Hachisu M,Nakamura T,Kawashima H,Shitoh K,Fukatsu S,Koeda T,Sekizawa Y,Munakata M,Kawamura K,Umezawa H,Takeuchi T,Aoyagi T

更新日期：1982-05-17 00:00:00

abstract：:The effect of dihydropyridine calcium channel antagonist isradipine (PN 200-110) on morphine reinforcement has been investigated using i.v. self-administration test in rats. Rats were given the opportunity to self-administer a solution of morphine (1 mg/ml, i.v.) in a 1 hr limited access paradigm (FR = 1). Within 5-7 ...

journal_title：Life sciences

authors： Kuzmin A,Martellotta MC,Fratta W,Gessa GL,Zvartau E

更新日期：1996-01-01 00:00:00

abstract：:Botanical sources for medicines in America have been known since long before the arrival of Columbus. Nevertheless, both scientists and the general public are often unaware that some of these botanical drugs are also potent intoxicants. We provide a quick overview of hallucinogenic and dissociative drugs harvested fro...

journal_title：Life sciences

authors： Halpern JH,Sewell RA

更新日期：2005-12-22 00:00:00

abstract：AIMS:Luteolin has been shown to be beneficial to cardiovascular tissues and organs. We aimed to study its vasospasmolytic effects against various vasoconstrictors in the isolated rat coronary arteries (RCAs) and its electrophysiological effects on K+ currents via voltage-gated potassium (Kv) channels and inward rectifi...

journal_title：Life sciences

authors： Li W,Dong M,Guo P,Liu Y,Jing Y,Chen R,Zhang M

更新日期：2019-03-15 00:00:00

abstract：AIMS:The aim of the present study was to characterize TRPV4 channels in pregnant and nonpregnant mouse uterus and examine their functional role in spontaneous and agonist-induced contractions. MAIN METHODS:We used RT-PCR, Western blot and immunohistochemistry experiments to demonstrate the presence of TRPV4 mRNA and p...

journal_title：Life sciences

authors： Singh V,Ram M,Kandasamy K,Thangamalai R,Choudhary S,Dash JR,Kumar D,Parida S,Singh TU,Mishra SK

更新日期：2015-02-01 00:00:00

abstract：:Alzheimer's disease (AD) is the most common form of dementia worldwide. β-amyloid peptide (Aβ) is currently assumed to be the main cause of synaptic dysfunction and cognitive impairments in AD, but the molecular signaling pathways underlying its neurotoxic consequences have not yet been completely explored. Additional...

journal_title：Life sciences

authors： Amidfar M,de Oliveira J,Kucharska E,Budni J,Kim YK

更新日期：2020-09-15 00:00:00

abstract：AIMS:Steroid hormones and steroid receptors (SRs) play a crucial role in spermatogenesis. Steroid receptor coregulators are the major determinants of SR functioning, and any alteration in their expression is known to be associated with impaired spermatogenesis. Since Bisphenol A (BPA) exposure leads to an impairment of...

journal_title：Life sciences

authors： Salian S,Doshi T,Vanage G

更新日期：2009-07-03 00:00:00

abstract：:It has widely been established that Cl- transport is defective in cystic fibrosis fibroblasts. In the present study, the effect of elevation of intracellular concentration of cyclic AMP and calcium on the efflux of Cl- from human fibroblasts has been investigated. Cyclic AMP analogs (8-bromo cAMP and dibutyryl cAMP) a...

journal_title：Life sciences

authors： Mastrocola T,Rugolo M

更新日期：1990-01-01 00:00:00

abstract：:Lymphocyte apoptosis occurs in response to stressors such as thermal injury, trauma, sepsis, and surgery. This study evaluated the effect of a single bout of physical exercise stress on the induction of apoptosis in murine thymocytes and splenic lymphocytes. Female C57BL/6 mice, treadmill exercised at a submaximal int...

journal_title：Life sciences

authors： Hoffman-Goetz L,Zajchowski S,Aldred A

更新日期：1999-01-01 00:00:00

abstract：AIMS:Cisplatin is an anticancer agent marred by nephrotoxicity. Limiting this adverse effect may allow the use of higher doses to improve its efficacy. The Wnt/β-catenin signaling pathway plays a critical role in nephrogenesis and repair of renal diseases. BIO, a small molecule agonist of this pathway, exerted a protec...

journal_title：Life sciences

authors： Sun Z,Xu S,Cai Q,Zhou W,Jiao X,Bao M,Yu X

更新日期：2020-12-15 00:00:00