Immune response to opiates: new findings in heroin addicts investigated by means of an original enzyme immunoassay and morphine determination in hair.

abstract：:The effects of various vasorelaxant agents on aortas from control and genetically diabetic rats were examined. The concentration-response curves for the isoproterenol (ISO)-induced relaxation of both aortic strips with and without endothelium are shifted to the right in diabetic rats. The relaxation responses of diabe...

journal_title：Life sciences

authors： Miyata N,Yamaura H,Tsuchida K,Otomo S,Kamata K,Kasuya Y

更新日期：1992-01-01 00:00:00

abstract：:Evidence is provided for the abilities of endogenous 6-(Arg or Lys)-opioid peptides to interact with kappa-receptors as agonists. Dynorphin-(1-17) and -(1-8), alpha- and beta-neo-endorphin, [Met5]-enkephalin-Arg6-Phe7 and des acetyl salmon endorphin I significantly inhibited the electrically-evoked contractions of rab...

journal_title：Life sciences

authors： Oka T,Negishi K

更新日期：1982-10-18 00:00:00

abstract：:The content of lactic acid in red blood cells, plasma, and Ehrlich ascites tumor cells were measured by a gas-liquid chromatography using a column with a terephtalic acid support coated with polyethylene glycol-6000. The lactic acid contents were directly determined in aqueous samples, because they were converted to a...

journal_title：Life sciences

authors： Kageyama K,Onoyama Y,Nakajima T,Tumura M,Nishida T,Kogawa H,Tanabe K

更新日期：1992-01-01 00:00:00

abstract：AIMS:This study aims to identify by a molecular genetic approach potential targets in mast cells at which 1,4-benzodiazepines may cause their inhibitory effect on mast cell activity. MAIN METHODS:Gene expression analyses with microarray gene chip and/or quantitative PCR were performed using 1,4-benzodiazepine-treated ...

journal_title：Life sciences

authors： Haenisch B,Huber M,Wilhelm T,Steffens M,Molderings GJ

更新日期：2013-03-14 00:00:00

abstract：:Inflammation, inflammatory mediators, cyclooxygenase (COX)-2, and inducible nitric oxide (iNOS) are all influenced by age-related oxidative status. To investigate the effect of dietary fish oil (FO) and calorie restriction (CR) on oxidative stress-related inflammatory status with age, (NZB/NZW) F1 (B/W) mice were fed ...

journal_title：Life sciences

authors： Kim YJ,Kim HJ,No JK,Chung HY,Fernandes G

更新日期：2006-04-18 00:00:00

abstract：:Central administration of neurotensin (NT) results in a variety of neurobehavioral effects which, depending upon the administration site, resemble the effects of antipsychotic drugs (APDs) and psychostimulants. All clinically effective APDs exhibit significant affinities for dopamine D(2) receptors, supporting the hyp...

journal_title：Life sciences

authors： Dobner PR,Deutch AY,Fadel J

更新日期：2003-06-27 00:00:00

abstract：:The bone marrow is home to mesenchymal stem cells (MSCs) that are able to differentiate into many different cell types. The effect of hyperbaric oxygen (HBO) on MSCs is poorly understood. Placental growth factor (PlGF) is an attractive therapeutic agent for stimulating revascularization of ischemic tissue. HBO has bee...

journal_title：Life sciences

authors： Shyu KG,Hung HF,Wang BW,Chang H

更新日期：2008-07-04 00:00:00

abstract：:Dose-effect curves were obtained for five specific components of stereotyped behavior (locomotor hyperactivity, rearing, sniffing, grooming and oral activity) elicited by the nonselective dopamine agonists N-propylnorapomorphine (NPA; 0.001-4.5 mg/kg) and apomorphine (APO; 0.3-10.0 mg/kg), the selective D2 agonists LY...

journal_title：Life sciences

authors： Meller E,Bordi F,Bohmaker K

更新日期：1988-01-01 00:00:00

abstract：:We have investigated the possible involvement of arachidonic acid metabolites in dopamine-induced inhibition of adrenocortical steroidogenesis. Administration of dopamine (5 x 10(-5) M) for 20 min to perifused frog adrenal slices caused a marked reduction of the release of both prostaglandin E2 (PGE2) and 6-keto-PGF1 ...

journal_title：Life sciences

authors： Morra M,Leboulenger F,Homo-Delarche F,Netchitalo P,Vaudry H

更新日期：1989-01-01 00:00:00

abstract：:Hyperketonemia has been identified as an important factor in diabetic pregnancy affecting growth and development of the offspring. In order to assess the immediate metabolic alterations in embryos caused by excess ketone bodies, we studied rat embryonic neural tissue exposed to a high concentration of beta-hydroxybuty...

journal_title：Life sciences

authors： Yang X,Borg LA,Eriksson UJ

更新日期：1998-01-01 00:00:00

abstract：:Sensitivity of brain muscarinic acetylcholine receptors to the agonists was examined in nicotine tolerant animals which were developed by acutely repeated injections of nicotine. In conscious rats, the dose-response curves of muscarinic agonists arecoline and pilocarpine, cholinesterase inhibitors soman and physostigm...

journal_title：Life sciences

authors： Wang H,Cui WY,Liu CG

更新日期：1996-01-01 00:00:00

abstract：AIMS:Although approving new anticonvulsants was a major breakthrough in the field of epilepsy control, so far we have met limited success in almost one third of patients suffering from epilepsy and a definite and reliable method is yet to be found. Levosimendan demonstrated neuroprotective effects and reduced mortality...

journal_title：Life sciences

authors： Gooshe M,Tabaeizadeh M,Aleyasin AR,Mojahedi P,Ghasemi K,Yousefi F,Vafaei A,Amini-Khoei H,Amiri S,Dehpour AR

更新日期：2017-01-01 00:00:00

abstract：:In this study, we investigated the effects of zinc L-carnosine, an anti-ulcer drug, on acetic acid-induced colonic mucosal injury and the correlation of these effects with expression of 72-kDa heat shock proteins (HSP72) and nuclear factor kappa B (NF-kappaB) activation in rat colonic mucosa in vivo. After intrarectal...

journal_title：Life sciences

authors： Odashima M,Otaka M,Jin M,Wada I,Horikawa Y,Matsuhashi T,Ohba R,Hatakeyama N,Oyake J,Watanabe S

更新日期：2006-11-10 00:00:00

abstract：:The effect of continuous treatment with the selective 5-HT1A agonist gepirone upon 5-HT2-mediated behavior and cortical 5-HT2 receptor binding sites was examined in naive rats or rats receiving noradrenergic (DSP4) or serotonergic (5,7-DHT) lesions. Continuous administration of gepirone in non-lesioned rats for 3, 7, ...

journal_title：Life sciences

authors： Yocca FD,Eison AS,Hyslop DK,Ryan E,Taylor DP,Gianutsos G

更新日期：1991-01-01 00:00:00

abstract：:MSG (4 mg/g BW) or the equivalent molar ratio of NaCl were injected subcutaneously into chicks from four populations of chickens derived from a double selection experiment [(1) low exponential growth rate (EGR) to 14 days of age (14L), (2) high EGR to 14 days of age (14H), (3) low EGR to 42 days of age (42L) and high ...

journal_title：Life sciences

authors： Sizemore FG,Barbato GF

更新日期：1991-01-01 00:00:00

abstract：AIMS:T lymphocytes synthesize acetylcholine (ACh) and express muscarinic and nicotinic ACh receptors (mAChR and nAChR, respectively) responsible for increases in the intracellular Ca2+ concentration ([Ca2+]i). Our aim in the present study was to assess whether autocrine ACh released from T lymphocytes regulates their p...

journal_title：Life sciences

authors： Mashimo M,Iwasaki Y,Inoue S,Saito S,Kawashima K,Fujii T

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Sepsis is a life-threatening organ dysfunction syndrome arising from uncontrolled inflammatory responses. Liver injury is a crucial factor for the prognosis of sepsis. Camptothecins (CPTs) have been reported to suppress the inflammatory response induced by sepsis. G2, a CPT-bile acid conjugate...

journal_title：Life sciences

authors： Xiao LX,Qi L,Zhang XL,Zhou YQ,Yue HL,Yu ED,Li QY

更新日期：2020-09-15 00:00:00

abstract：AIMS:In this study, we investigated the combined effect of Neurotropin® and pregabalin for L5-spinal nerve ligation (L5-SNL) model in rats and thiopental-induced sleep in mice. MAIN METHODS:The left fifth lumbar nerve of rats was tightly ligated with silk sutures under pentobarbital anesthesia. The hindpaw withdrawal ...

journal_title：Life sciences

authors： Okazaki R,Namba H,Yoshida H,Okai H,Taguchi K,Kawamura M

更新日期：2013-03-12 00:00:00

abstract：:An attenuation of adrenergic activity during the inhibition of endogenous angiotensin II formation was evaluated by determining plasma norepinephrine concentration after a single oral administration of captopril compared to that after nifedipine in essential hypertension. Captopril produced a fall in mean arterial pre...

journal_title：Life sciences

authors： Mohara O,Masuyama Y

更新日期：1991-01-01 00:00:00

abstract：:The effect of orchiectomy on peripheral benzodiazepine receptors (PBZr) in the rabbit prostate was studied. The mean PBZr density in the mitochondrial fraction isolated from prostates of intact (non castrated) rabbits was 4066 fmol/mg protein which following castration increased to 7236 fmol/mg protein (p less than 0....

journal_title：Life sciences

authors： Batra S,Alenfall J

更新日期：1992-01-01 00:00:00

abstract：:Serotonin (5HT) stimulates phosphoinositide turnover in a number of tissues, but it is not known whether this effect is due to activation of a 5HT receptor which is coupled to phosphoinositide hydrolysis or if the effect is secondary to 5HT stimulated arachidonate metabolism or to the release of another neurotransmitt...

journal_title：Life sciences

authors： Conn PJ,Sanders-Bush E

更新日期：1986-02-17 00:00:00

abstract：AIMS:This experiment investigated the effects of sub-chronic aluminum chloride (AlCl3) exposure on rat ovaries. MAIN METHODS:Eighty female Wistar (5weeks old) rats, weighed 110-120g, were randomly divided into four treatment groups: control group (CG), low-dose group (LG, 64mg/kg BW AlCl3), mid-dose group (MG, 128mg/k...

journal_title：Life sciences

authors： Fu Y,Jia FB,Wang J,Song M,Liu SM,Li YF,Liu SZ,Bu QW

更新日期：2014-03-28 00:00:00

abstract：:Vascular inflammation induced by the proinflammatory cytokine/NF-kappaB pathway is one of the key mechanisms in the development of atherosclerosis. Peroxisome proliferators-activated receptor-gamma (PPARgamma) plays an important role in the prevention of arterial inflammation and formation of atherogenesis. Herein we ...

journal_title：Life sciences

authors： Park KG,Lee KM,Chang YC,Magae J,Ando K,Kim KB,Kim YN,Kim HS,Park JY,Lee KU,Lee IK

更新日期：2006-12-14 00:00:00

abstract：:The effect of Rp diastereoisomer of adenosine 3',5'-cyclic monophosphothioate (Rp-cAMPS) on relaxation elicited by histamine (1-100 microM), forskolin (1-60 microM), papaverine (1-100 microM), vinpocetine (1-100 microM), rolipram (0.1-1 mM), Sp-cAMPS (10-300 microM), 8-BrcAMP (10 microM - 1 mM) and 8-BrcGMP (3 microM ...

journal_title：Life sciences

authors： Perez-Vallina JR,Revuelta MP,Cantabrana B,Hidalgo A

更新日期：1997-01-01 00:00:00

abstract：:Homocysteine (Hcy), an intermediate in methionine metabolism, has been proposed to be involved in hepatic fibrogenesis. Impaired liver function can alter Hcy metabolism. The aim of the present study was to determine plasma Hcy alterations in acute obstructive cholestasis and the subsequent biliary cirrhosis. Cholestas...

journal_title：Life sciences

authors： Ebrahimkhani MR,Sadeghipour H,Dehghani M,Kiani S,Payabvash S,Riazi K,Honar H,Pasalar P,Mirazi N,Amanlou M,Farsam H,Dehpour AR

更新日期：2005-04-08 00:00:00

abstract：:Chromogranin A (CgA) is an acidic protein co-released with catecholamines during exocytosis from sympathetic nerve terminals and chromaffin cells. Previous work has demonstrated that large scale perturbations in sympathetic nervous system (SNS) functioning result in corresponding changes in CgA levels in plasma. Littl...

journal_title：Life sciences

authors： Dimsdale JE,O'Connor DT,Ziegler M,Mills P

更新日期：1992-01-01 00:00:00

abstract：:A mechanism of antidepressant activity of beta-amyrin palmitate was studied using the forced swimming method in mice. Beta-amyrin palmitate (10 mg/kg) reduced the increase in the duration of immobility induced by tetrabenazine (100 and 200 mg/kg), but showed no effect on that in mice treated with alpha-methyl-para-tyr...

journal_title：Life sciences

authors： Subarnas A,Tadano T,Nakahata N,Arai Y,Kinemuchi H,Oshima Y,Kisara K,Ohizumi Y

更新日期：1993-01-01 00:00:00

abstract：:Nitric oxide (NO) may play an important regulatory role in airway function. We have, thus, investigated in vitro whether epithelium derived NO may modulate cholinergic neurotransmission, via release of NO in guinea pig trachea, by using L-arginine (L-ARG), a precursor of NO synthesis, and L-N(G)-nitro-arginine-methyl-...

journal_title：Life sciences

authors： Matera MG,D'agostino B,Cardone M,Calderaro V,Rossi F

更新日期：1995-02-17 00:00:00

abstract：AIMS:Several off-label studies have shown that acamprosate can provide some clinical benefits in youth with Fragile X Syndrome (FXS), an autism spectrum disorder caused by loss of function of the highly conserved FMR1 gene. This study investigated the ability of acamprosate to rescue cellular, molecular and behavioral ...

journal_title：Life sciences

authors： Hutson RL,Thompson RL,Bantel AP,Tessier CR

更新日期：2018-02-15 00:00:00

abstract：:Chronic administration of narcotic mu opioid agonists results in tolerance and dependence. We propose that agonist stimulation causes a gradual conversion of mu receptors to a constitutively active state (mu*) as a key step in tolerance and physical dependence. We provide evidence in support of the existence of mu* in...

journal_title：Life sciences

authors： Wang Z,Bilsky EJ,Porreca F,Sadée W

更新日期：1994-01-01 00:00:00