Synergism between hydrogen sulfide (H(2)S) and nitric oxide (NO) in vasorelaxation induced by stonustoxin (SNTX), a lethal and hypotensive protein factor isolated from stonefish Synanceja horrida venom.

abstract：:TCDD was assessed as a biological response modifier for increasing MMC cytotoxicity through aryl hydrocarbon receptor (AhR) activation and increasing levels of bioreductive enzymes. Human MCF-7 cells were exposed to TCDD, MMC and combinations thereof under aerobic or hypoxic conditions. Cytotoxicity, enzyme activities...

journal_title：Life sciences

authors： Collier AC,Pritsos KL,Pritsos CA

更新日期：2006-02-23 00:00:00

abstract：:The development of the specific uptake of dopamine in the rat striatum during the early postnatal period is compared with the ontogenetic changes of the specific binding of (3H)GBR 12783 to the site of uptake inhibition. During maturation, the increase in the specific binding of (3H)GBR 12783 parallels the increase in...

journal_title：Life sciences

authors： Bonnet JJ,Costentin J

更新日期：1989-01-01 00:00:00

abstract：AIMS:Considering the implications that arose from several recent experimental studies using recombinant human erythropoietin in rodents, erythropoietin has been regarded as a pharmacological preconditioning agent. The purpose of the present study was to evaluate whether erythropoietin has a preconditioning effect again...

journal_title：Life sciences

authors： Sayan H,Ozacmak VH,Sen F,Cabuk M,Atik DY,Igdem AA,Ozacmak ID

更新日期：2009-03-13 00:00:00

abstract：AIM:A variety of evidence suggests that vitamin D can prevent the development of multiple sclerosis (MS). TGF-β pathway genes also play important roles in MS. Here, we aim to study whether vitamin D affects TGF-β pathway gene expression and Expanded Disability Status Scale (EDSS) scores in MS patients. MAIN METHODS:A ...

journal_title：Life sciences

authors： Shirvani-Farsani Z,Behmanesh M,Mohammadi SM,Naser Moghadasi A

更新日期：2015-08-01 00:00:00

abstract：:In the CNS, dopamine (DA) is a recognized neurotransmitter as well as a precursor for norepinephrine (NE) and epinephrine (EPI). In contrast to the CNS, DA has been assumed to be only a precursor in peripheral tissues. There is now, however, considerable evidence to support the hypothesis that it may function as a neu...

journal_title：Life sciences

authors： Lackovic Z,Neff NH

更新日期：1983-04-11 00:00:00

abstract：:The present study was designed to investigate the effects of chronic administration of the alcoholic extract of Terminalia arjuna (TAAE) bark on isoproterenol induced myocardial injury. The TAAE was administered orally to Wistar albino rats (150-200 g) in three different doses, by gastric gavage [3.4 mg/kg: (T1), 6.75...

journal_title：Life sciences

authors： Karthikeyan K,Bai BR,Gauthaman K,Sathish KS,Devaraj SN

更新日期：2003-10-10 00:00:00

abstract：:The aim of the present study was to determine the role of adrenals in gonadal activity in the male toad during the breeding season. Exogenous administration of corticosterone or metapyrone for 6 days inhibited adrenal delta5-3beta(delta 5-3 beta) hydroxysteroid (delta5-3beta-HSD) and testicular 17beta (17 beta) hydrox...

journal_title：Life sciences

authors： Biswas NM,Chaudhuri GR,Sarkar M,Sengupta R

更新日期：2000-02-18 00:00:00

abstract：:Uptake of serotonin and 3H-imipramine binding in platelets of depressed patients were investigated simultaneously with changes in clinical state. Both Vmax for serotonin uptake and Bmax for 3H-imipramine binding were significantly lower in unmedicated depressed patients with respect to normal subjects. Successful trea...

journal_title：Life sciences

authors： Suranyi-Cadotte BE,Quirion R,Nair NP,Lafaille F,Schwartz G

更新日期：1985-02-25 00:00:00

abstract：:Phosphoesterase complex (Pho), a major active component of barley malt, has been demonstrated to be clinically effective in relieving alcoholic fatty liver disease (AFLD), and several lines of evidence have suggested that microbial dysbiosis, caused by chronic alcohol overconsumption, plays a key role in the progressi...

journal_title：Life sciences

authors： Ma D,Hu J,Xu W,Wang Y,Wang J,Li L,Wang S,Zhou H,Li Y,Liu L

更新日期：2020-12-01 00:00:00

abstract：AIM:The action of oestrogen has traditionally been attributed to the activation of nuclear receptors (ERα and ERβ). A third receptor, the G protein-coupled oestrogen receptor (GPER), has been described as mediator of the rapid action of oestrogen. Based on the possible protective role of oestrogen in the cardiovascular...

journal_title：Life sciences

authors： Peixoto P,Aires RD,Lemos VS,Bissoli NS,Santos RLD

更新日期：2017-08-15 00:00:00

abstract：:To characterize the mechanism of the analgesic action of H1 antihistaminics the effects of a new, highly selective agonist, 2-(3-trifluoromethylphenyl)histamine dihydrogenmaleate (FMPH), and of the better known H1 agonist, 2-thiazolylethylamine (2-TEA), were studied on pain threshold by means of three different kinds ...

journal_title：Life sciences

authors： Malmberg-Aiello P,Lamberti C,Ipponi A,Bartolini A,Schunack W

更新日期：1998-01-01 00:00:00

abstract：:miRNAs are a group of non-coding RNAs that have regulatory functions in post-transcriptional gene expression. These molecules play a fundamental role in cellular processes, for instance cell proliferation, apoptosis, migration, and invasion. Scientific investigations have previously established that miRNAs can either ...

journal_title：Life sciences

authors： Khalili N,Nouri-Vaskeh M,Hasanpour Segherlou Z,Baghbanzadeh A,Halimi M,Rezaee H,Baradaran B

更新日期：2020-09-01 00:00:00

abstract：:This study examined the effect of nitric oxide (NO) on the cytosolic free Ca(2+) concentration ([Ca(2+)](c)) of alpha-cells isolated from rat pancreatic islets. When extracellular glucose was reduced from 7 to 0 mM, about half of the alpha-cells displayed [Ca(2+)](c) oscillations. Nicardipine, a Ca(2+) channel blocker...

journal_title：Life sciences

authors： Sugino F,Ishikawa T,Nakada S,Kaneko Y,Yamamoto Y,Nakayama K

更新日期：2002-05-24 00:00:00

abstract：:The present study was designed to investigate the effects of the intrahippocampal co-injection of beta-amyloid protein1-40 (Abeta(1-40)) with ibotenic acid (Ibo) on learning and memory in normal and aging model rats, and to explore the mechanism underlying the effects of the co-injection. The normal and aging rats wer...

journal_title：Life sciences

authors： Li Y,Qin HQ,Chen QS,Wang JJ

更新日期：2005-01-28 00:00:00

abstract：:Although renin-angiotensin system (RAS) imbalance is manifested in cardiomyopathies with different etiologies, the impact of RAS effectors on Chagas cardiomyopathy and skeletal myositis is poorly understood. Given that diminazene aceturate (DMZ) shares trypanocidal, angiotensin-converting enzyme 2 (ACE2) and angiotens...

journal_title：Life sciences

authors： Souza-Silva TG,Vilas-Boas DF,Gonçalves-Santos E,Mazzeti AL,Caldas IS,Gonçalves RV,Diniz LF,Novaes RD

更新日期：2020-09-15 00:00:00

abstract：:The Wnt/β-catenin or Wnt canonical pathway controls multiple biological processes throughout development and adult life. Growing evidences have suggested that deregulation of the Wnt canonical pathway could be involved in the pathogenesis of neurodegenerative diseases. The Wnt canonical signaling is a pathway tightly ...

journal_title：Life sciences

authors： Libro R,Bramanti P,Mazzon E

更新日期：2016-08-01 00:00:00

abstract：:Several antihistamines were evaluated for their ability to interact with sigma, muscarinic and histaminic H1 binding sites in rat brain preparations. All of the antihistamines were able to interact with the sigma site, as well as the other two sites. In addition, tripelennamine was found to elicit sigma-like behaviors...

journal_title：Life sciences

authors： Gray NM,Contreras PC,Allen SE,Taylor DP

更新日期：1990-01-01 00:00:00

abstract：:A natural product betulinic acid (BA) has gained a huge significance in the recent years for its strong cytotoxicity. Surprisingly, in spite of being an interesting cancer protecting agent on a variety of tumor cells, the normal cells and tissues are rarely affected by BA. Betulinic acid and analogues (BAs) generally ...

journal_title：Life sciences

authors： Kumar P,Bhadauria AS,Singh AK,Saha S

更新日期：2018-09-15 00:00:00

abstract：:The effect of the diterpene forskolin on vascular permeability alone and in combination with bradykinin, prostaglandin E1, adenosine or histamine has been investigated in rats. Vascular permeability in rat skin was measured using [125I]-labelled bovine serum albumin ([125I]BSA) as a tracer. In addition, the effect of ...

journal_title：Life sciences

authors： Sugio K,Daly JW

更新日期：1983-07-04 00:00:00

abstract：:Using a two-lever drug discrimination procedure, six rats were trained to discriminate 0.5 mg/kg of racemic 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) from saline. Once trained, the animals demonstrated a dose-related decrease in discriminative performance upon administration of lower doses of DOI (ED50 = 0.1...

journal_title：Life sciences

authors： Glennon RA

更新日期：1986-09-01 00:00:00

abstract：:In this study, we have characterized quinone reductase (QR), glutathione (GSH), glutathione S-transferase (GST) and their induction by a chemoprotector, 1,2-dithiole-3-thione (D3T), in the human myeloid cell lines ML-1 and HL-60. In addition, we also examined the toxicity of hydroquinone (HQ), a benzene metabolite, to...

journal_title：Life sciences

authors： Li Y,Lafuente A,Trush MA

更新日期：1994-01-01 00:00:00

abstract：:Effects of ethanol in vitro on membrane vesicles (microsacs prepared from mouse cerebral cortex) were evaluated by monitoring 36Cl- influx. Different assay parameters were tested to determine increased or decreased action of ethanol on GABA-activated chloride channels. The ability of 30 mM ethanol to augment 36Cl- flu...

journal_title：Life sciences

authors： McQuilkin SJ,Harris RA

更新日期：1990-01-01 00:00:00

abstract：AIMS:Doxorubicin is a widely used anthracycline derivative anticancer drug. Unfortunately, the clinical use of doxorubicin has the serious drawback of cardiotoxicity. In this study, we investigated whether baicalein, a bioflavonoid, can prevent doxorubicin-induced cardiotoxicity in vivo and we delineated the possible u...

journal_title：Life sciences

authors： Sahu BD,Kumar JM,Kuncha M,Borkar RM,Srinivas R,Sistla R

更新日期：2016-01-01 00:00:00

abstract：:Hyperglycemia and/or hypoinsulinemia have been found to inhibit L-ascorbic acid cellular transport. The resultant decrease in intracellular ascorbic acid may de-inhibit aryl sulfatase B and increase degradation of sulfated glycosaminoglycans (sGAG). This could lead to a degeneration of the extracellular matrix and res...

journal_title：Life sciences

authors： Fay MJ,Bush MJ,Verlangieri AJ

更新日期：1990-01-01 00:00:00

abstract：:The extract of Crataegus, a mixture of flavonoids and procyanidins extracted from hawthorn, Crataegus oxyacantha, L. and C. monogyna Jacq., relaxed vascular tone or increased production of cyclic GMP in the rat aorta, but flavonoid components of Crataegus extract, hyperoside, rutin and vitexin, did not affect the vasc...

journal_title：Life sciences

authors： Kim SH,Kang KW,Kim KW,Kim ND

更新日期：2000-01-01 00:00:00

abstract：:A new indorocarbazole antibiotic SF2370 has been found in the culture broth of Actinomadura sp.; it has also been found to have the activities of antihypertension and diuresis. Derivatives of SF2370, NA0344, NA0345 and NA0346, when injected (0.1-1 mg/kg i.v.) significantly lowered the blood pressure of anesthetized no...

journal_title：Life sciences

authors： Hachisu M,Hiranuma T,Koyama M,Sezaki M

更新日期：1989-01-01 00:00:00

abstract：AIMS:Hydrogen sulfide (H(2)S) at low concentrations serves as a physiological endogenous vasodilator molecule, while at higher concentrations it can trigger cytotoxic effects. The aim of our study was to elucidate the potential mechanisms responsible for the effects of H(2)S on vascular tone. MAIN METHODS:We measured ...

journal_title：Life sciences

authors： Kiss L,Deitch EA,Szabó C

更新日期：2008-10-24 00:00:00

abstract：:Rhesus monkeys were trained to discriminate injections of saline from those of beta-carboline-3-carboxylic acid ethyl ester (beta-CCE), a compound that binds to the benzodiazepine receptor, but often has actions opposite to those of the benzodiazepines. A benzodiazepine agonist midazolam and low doses of a specific be...

journal_title：Life sciences

authors： Takada K,Winger G,Cook J,Larscheid P,Woods JH

更新日期：1986-03-17 00:00:00

abstract：AIM:To evaluate the therapeutic efficacy of hypoxic cell-sensitizer Sanazole (SAN) -directed targeting of cytotoxic drug Berberine (BBN) and Iron-oxide nanoparticle (NP) complexes, to solid tumor in Swiss albino mice. MAIN METHODS:NP-BBN-SAN complexes were characterized by FTIR, XRD, TEM and Nano-size analyzer. This c...

journal_title：Life sciences

authors： Sreeja S,Krishnan Nair CK

更新日期：2018-02-15 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