Pain control by endogenous enkephalins is mediated by mu opioid receptors.

abstract：:The central interference induced by dexamethasone and RU-38486, (a glucocorticoid receptor antagonist) on morphine antinociception were studied by using the tail flick test in mice. Dexamethasone, injected intracerebrally (i.c.v.) 10 minutes before morphine, dose-dependently reduced morphine antinociception, whereas R...

journal_title：Life sciences

authors： Capasso A,Di Giannuario A,Loizzo A,Pieretti S,Sorrentino L

更新日期：1992-01-01 00:00:00

abstract：:A set of synaptic proteins have been shown to be essential for the life cycle and exocytosis of synaptic vesicles at the nerve terminal. Recently, these proteins have also been identified in certain endocrine cells. Here we analysed the presence and location of some of these synaptic proteins in anterior pituitary cel...

journal_title：Life sciences

authors： Majó G,Aguado F,Blasi J,Marsal J

更新日期：1998-01-01 00:00:00

abstract：:The application of acetic acid to the hind leg of a frog will induce a spinally mediated wiping reflex only if the acetic acid concentration is above a certain threshold. By using this reflex as the basis of a test for nociception, we show that morphine sulfate is a potent analgesic in the frog when injected into the ...

journal_title：Life sciences

authors： Stevens CW,Pezalla PD

更新日期：1983-11-21 00:00:00

abstract：AIMS:We have developed biochemical and cell based assays to characterize small therapeutic molecules that inhibit the DNA damage checkpoint enzyme, Chk1 (Checkpoint kinase 1). MAIN METHODS:To prepare a screen of large chemical libraries, we purified the full-length and the catalytic domain versions of human Chk1. We c...

journal_title：Life sciences

authors： Ferry G,Studeny A,Bossard C,Kubara PM,Zeyer D,Renaud JP,Casara P,de Nanteuil G,Wierzbicki M,Pfeiffer B,Prudhomme M,Leonce S,Pierré A,Boutin JA,Golsteyn RM

更新日期：2011-08-15 00:00:00

abstract：AIMS:The heterodimerization of angiotensin II receptors (AT1R and AT2R) with adiponectin receptor AdipoR1 and AdipoR2 may instigate high glucose (HG)-induced renal tubulointerstitial injury. This study examined the effect of telmisartan on diabetic nephropathy (DN) and its underlying mechanism. MAIN METHODS:Diabetes w...

journal_title：Life sciences

authors： Zha D,Yao T,Bao L,Gao P,Wu X

更新日期：2019-03-15 00:00:00

abstract：:The effect of exogenous ascorbic acid intake on biosynthesis of ascorbic acid in mice has been studied. After the mice were on diets containing added ascorbic acid for two months, the activities of ascorbic acid synthesizing enzymes in the mouse liver homogenates were measured using L-gulono-gamma-lactone as a substra...

journal_title：Life sciences

authors： Tsao CS,Young M

更新日期：1989-01-01 00:00:00

abstract：:Despite considerable progressions, cardiovascular disease (CVD) is still one of the major causes of mortality around the world, indicates an important and unmet clinical need. Recently, extensive studies have been performed on the role of inflammatory factors as either a major or surrogate factor in the pathophysiolog...

journal_title：Life sciences

authors： Soroureddin Z,Nouri-Vaskeh M,Maleki M,Baghbanzadeh A,Hajiasgharzadeh K,Taban Sadeghi M,Baradaran B

更新日期：2020-07-15 00:00:00

abstract：AIMS:Serotonergic neurons and amino acid neurons are involved in the central nervous control of lower urinary tract function. We investigated the role of the serotonergic system in the central regulation of micturition, as well as the relationship between serotonergic neurons and amino acid neurons in the lumbosacral c...

journal_title：Life sciences

authors： Kadekawa K,Nishijima S,Sugaya K,Miyazato M,Saito S

更新日期：2009-10-07 00:00:00

abstract：:We analyzed PGE2 production in primary-cultured human hepatic macrophages (HHM phi) and peripheral monocytes (MO) from patients with and without liver cirrhosis, and correlated PGE2 production with the patients' liver function. Serum choline esterase (ChE) levels were used as an indicator of liver function. PGE2 produ...

journal_title：Life sciences

authors： Funaki N,Arii S,Adachi Y,Higashituji H,Tanaka J,Imamura M

更新日期：1993-01-01 00:00:00

abstract：:The COVID-19 pandemic raised by SARS-CoV-2 is a public health emergency. However, lack of antiviral drugs and vaccine against human coronaviruses demands a concerted approach to challenge the SARS-CoV-2 infection. Under limited resource and urgency, combinatorial computational approaches to identify the potential inhi...

journal_title：Life sciences

authors： Bharadwaj S,Lee KE,Dwivedi VD,Kang SG

更新日期：2020-09-15 00:00:00

abstract：:Previous studies from this laboratory have shown that rats with experimental cirrhosis of the liver induced by the combined administration of oral phenobarbital and inhaled carbon tetrachloride show an hyperdynamic status with enhanced cardiac output (CO), and decreased mean arterial pressure (MAP) and peripheral vasc...

journal_title：Life sciences

authors： Villamediana LM,Sanz E,Fernandez-Gallardo S,Caramelo C,Sanchez Crespo M,Braquet P,Lopez-Novoa JM

更新日期：1986-07-21 00:00:00

abstract：:Voltage-dependent Ca2+ channels of fura-2-loaded ganglionic cells from the myenteric plexus of newborn rats were pharmacologically characterised. In contrast to completely dissociated myenteric cells, intact ganglia showed a stronger loading with the Ca2+-sensitive dye and a reproducible stimulation of the fura-2 sign...

journal_title：Life sciences

authors： Schäufele N,Diener M

更新日期：2005-09-30 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：AIMS:Chemo-resistance still was the main obstacle for AML patients, more effective and less toxic forms of therapies were desperately needed. Metformin, a classic hypoglycemic drug for diabetes recently delivered us a new identity that it exerted anti-tumor activity through suppressing mTOR in various tumors. But the a...

journal_title：Life sciences

authors： Yuan F,Cheng C,Xiao F,Liu H,Cao S,Zhou G

更新日期：2020-02-15 00:00:00

abstract：:Met-enkephalin, administered microiontophoretically, produced a greater increase in firing in cells in area CA 3-4 in the hippocampus of both young and aged Fisher 344 rats than it did in the CA 1 area. Furthermore, the effect of met-enkephalin on neuronal firing rates was not as great in old rats as it was in young r...

journal_title：Life sciences

authors： Haigler HJ,Cahill LF,Crager MR,Charles E

更新日期：1987-01-12 00:00:00

abstract：:The optical isomers of apomorphine (APO) and N-propylnorapomorphine (NPA) were interacted with three biochemical indices of dopamine (DA) receptors in extrapyramidal and limbic preparations of rat brain tissue. There were consistent isomeric preferences for the R(-) configuration of both DA analogs in stimulating aden...

journal_title：Life sciences

authors： Kula NS,Baldessarini RJ,Bromley S,Neumeyer JL

更新日期：1985-09-16 00:00:00

abstract：AIMS:The hypothalamic suprachiasmatic nucleus (SCN), which functions as a circadian pacemaker in mammals, is influenced by melatonin and serotonin. Agomelatine, which acts as an antidepressant and can synchronize disturbed circadian rhythms, displays a unique mechanism of action involving both melatonergic agonist and ...

journal_title：Life sciences

authors： Yang J,Jin HJ,Mocaër E,Seguin L,Zhao H,Rusak B

更新日期：2016-06-15 00:00:00

abstract：:We determined whether two naturally occurring steroids, cortisol and 17beta-estradiol (E2), can rapidly modulate the activity of an important membrane protein, human erythrocyte (RBC) Na+,K+-ATPase, an enzyme that does not bind either hormone directly. We also determined the membrane binding locations for cortisol and...

journal_title：Life sciences

authors： Golden GA,Mason RP,Tulenko TN,Zubenko GS,Rubin RT

更新日期：1999-01-01 00:00:00

abstract：:It is known that K(ATP) channel openers inhibit the release and refilling of Ca(2+) from intracellular stores. The present study was designed to test the effects of levcromakalim in human umbilical artery (HUA) rings stimulated by serotonin (5-HT) and KCl in Ca-free medium. Umbilical cords were obtained at vaginal or ...

journal_title：Life sciences

authors： Tufan H,Ayan-Polat B,Tecder-Unal M,Polat G,Kayhan Z,Oğüş E

更新日期：2003-02-07 00:00:00

abstract：:An increase in the weight of the thyroid gland, accompanied by reductions in uptake and release of 1311, serum T3 and reverse T3 concentrations and an increase in serum TSH concentration, occurs during the development of renal hypertension in rats. Renal function, as assessed by BUN, serum and urinary creatinine conce...

journal_title：Life sciences

authors： Fregly MJ,Threatte RM

更新日期：1982-02-15 00:00:00

abstract：AIMS:Tet1, Tet2, and interleukin-6 (IL-6) have been linked to atherosclerosis. Whether Tet3 has a relationship with atherosclerosis and IL-6 was unknown. This study aims to determine the link between Tet3 and IL-6, and the role of Tet3 in prenatal hypoxia-induced atherosclerosis in offspring rats. MAIN METHODS:Pregnan...

journal_title：Life sciences

authors： Zhang P,Chen X,Zhang Y,Su H,Zhang Y,Zhou X,Sun M,Li L,Xu Z

更新日期：2019-09-01 00:00:00

abstract：:Stem cells have potential to develop into numerous cell types, thus they are good cell source for tissue engineering. As an external physical signal, material stiffness is capable of regulating stem cell fate. Biomaterial stiffness is an important parameter in tissue engineering. We summarize main measurements of mate...

journal_title：Life sciences

authors： Lv H,Wang H,Zhang Z,Yang W,Liu W,Li Y,Li L

更新日期：2017-06-01 00:00:00

abstract：:Aim Furowanin A (Fur A) is a flavonoid isolated from Millettia pachycarpa Benth. Studies show its potent anti-neoplastic effects against leukemia cells. The aim of the present study was to determine the potential therapeutic effect of Fur A against colorectal cancer (CRC), and elucidate the underlying mechanism. MATE...

journal_title：Life sciences

authors： Ma Z,Bao X,Gu J

更新日期：2019-02-01 00:00:00

abstract：:The traditional Chinese medicines have been used clinically for a long time in some Asian countries, however, very few studies have been done to demonstrate the working mechanisms of these medicines using recently developed biochemical methodologies. In this study, we examined the anti-inflammatory effect of Huang-Lia...

journal_title：Life sciences

authors： Dai Y,Miki K,Fukuoka T,Tokunaga A,Tachibana T,Kondo E,Noguchi K

更新日期：2000-01-01 00:00:00

abstract：:Growth-related oncogene protein-alpha (GRO-alpha) is a member of the C-X-C chemokine family with a wide variety of biological activities. We studied the production of GRO-alpha by human umbilical vein endothelial cells (HUVEC) in response to the stimulation with soluble form of interleukin-6 receptor alpha (sIL-6R). s...

journal_title：Life sciences

authors： Matsumiya T,Imaizumi T,Itaya H,Shibata T,Yoshida H,Sakaki H,Kimura H,Satoh K

更新日期：2002-05-17 00:00:00

abstract：:10(-4) M ouabain increases aldosterone production at 3.6 and 5.4 mM potassium concentrations, whereas at high potassium concentration (7 mM) even lower concentration of ouabain (10(-8) M) decreases it. As ouabain has been shown to be produced by the adrenal cortex, a local paracrine regulation of aldosterone productio...

journal_title：Life sciences

authors： Szalay KS

更新日期：1993-01-01 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：:Icariin (ICA), a flavonol glycoside isolated from Epimedium, has been considered as a potential alternative therapy for ischemic stroke. However, the protective mechanisms of ICA on cerebral ischemia-reperfusion (I/R) are not fully illuminated yet. The effects of ICA on ER stress and inflammatory response which were i...

journal_title：Life sciences

authors： Mo ZT,Liao YL,Zheng J,Li WN

更新日期：2020-08-15 00:00:00

abstract：:Macrophages and other host cells activated by interferon-gamma (IFN-gamma) can be induced to form a flavoprotein that converts L-arginine to nitric oxide+L-citrulline. Nitric oxide causes efflux of non-heme iron from neoplastic and infected host cells. In the absence of L-arginine, IFN-gamma-induced infected cells can...

journal_title：Life sciences

authors： Weinberg ED

更新日期：1992-01-01 00:00:00

abstract：:The present study investigates the effect of a pituitary hormone (LH) and a thymic factor (Thymosin Fraction 5 = TF5) on in vitro and in vivo spleen cell proliferative response of 2, 6 and 8-month-old Balb/c mice. In vitro experiments showed that the addition of LH at various concentrations (0.5, 5, 50 or 500 ng/ml) t...

journal_title：Life sciences

authors： Rouabhia M,Ghanmi Z,Chakir J,Othmane O,Deschaux P

更新日期：1990-01-01 00:00:00