Effects of 1-oleoyl-2-acetyl glycerol are distinct from those of phorbol ester in rat pancreatic acini.

abstract：AIMS:This study was performed to assess isolated and combined effects of nandrolone and resistance training on the blood pressure, cardiac electrophysiology, and expression of the β1- and β2-adrenergic receptors in the heart of rats. MAIN METHODS:Wistar rats were randomly divided into four groups and submitted to a 6-...

journal_title：Life sciences

authors： das Neves VJ,Tanno AP,Cunha TS,Fernandes T,Guzzoni V,da Silva CA,de Oliveira EM,Moura MJ,Marcondes FK

更新日期：2013-05-30 00:00:00

abstract：:The α chain of interleukin 3 receptor (IL-3Rα or CD123), together with the common β (βc) subunit, forms a high-affinity IL-3R with biological function. In recent years, emerging research has found that CD123 is highly expressed on the surface of various cells (e.g., leukemia stem cells, LSCs), and it is associated wit...

journal_title：Life sciences

authors： Liu K,Zhu M,Huang Y,Wei S,Xie J,Xiao Y

更新日期：2015-02-01 00:00:00

abstract：:Nuclear factor erythroid 2-related factor 2 (Nrf-2) binds to a specific polyamine responsive element (PRE) in the promoter region of the spermidine-spermine acetyltransferase (SSAT) gene, a key component of the polyamine catabolic pathway. Regulation of SSAT gene transcription requires the additional interaction of Nr...

journal_title：Life sciences

authors： Stephenson AH,Seidel ER

更新日期：2006-08-22 00:00:00

abstract：:The effects of 100 microM norepinephrine (NE), GABA, aspartate, glutamate, and carbachol on the release of endogenous NE, GABA, aspartate, and glutamate from slices of rat cerebellum were examined. The 35 mM K+-stimulated release of NE was potentiated by GABA (136% of control), glutamate (123%), and carbachol (123%); ...

journal_title：Life sciences

authors： Flint RS,McBride WJ

更新日期：1986-01-20 00:00:00

abstract：AIMS:Oxidative stress is involved in cholestasis-induced hepatic damage. Therefore, antioxidant therapy is a recommended therapeutic strategy. Studies have illustrated that chromium can enhance antioxidative capacity leading to a resolution of oxidative stress. The aim of this study was to assess whether chromium has p...

journal_title：Life sciences

authors： Chen WY,Chen CJ,Liao JW,Mao FC

更新日期：2009-04-24 00:00:00

abstract：:Multiple classes of cell surface receptors and ion channels participate in the detection of changes in environmental stimuli, and thereby influence animal behavior. Among the many classes of ion channels, Transient Receptor Potential (TRP) cation channels are notable in contributing to virtually every sensory modality...

journal_title：Life sciences

authors： Fowler MA,Montell C

更新日期：2013-03-19 00:00:00

abstract：AIMS:The p53 protein, also called guardian of the genome, has a key role in cell cycle regulation. It is activated under stressful circumstances, such as DNA damage which results in permanent arrest or cell death. The protein is disabled in several types of human cancer due to over-expression of the two regulators, Mdm...

journal_title：Life sciences

authors： Golestanian S,Sharifi A,Popowicz GM,Azizian H,Foroumadi A,Szwagierczak A,Holak TA,Amanlou M

更新日期：2016-01-15 00:00:00

abstract：:Cannabinoid agonists such as Delta9-tetrahydrocannabinol (THC) produce a wide range of pharmacological effects both in the central nervous system and in the periphery. One of the most striking features of cannabinoids such as THC is the magnitude to tolerance that can be produced upon repetitive administration of this...

journal_title：Life sciences

authors： Martin BR

更新日期：2005-08-19 00:00:00

abstract：:Since somatostatin inhibits basal and stimulated gastric acid secretion and gastrin release, it is conceivable that decreased gastric somatostatin concentration may be one of the factors responsible for gastric hypersecretion found in patients who have undergone long-term pylorotomy for hypertrophic pyloric stenosis. ...

journal_title：Life sciences

authors： Barrios V,Urrutia MJ,Hernández M,Lama R,García-Novo MD,Hernanz A,Arilla E

更新日期：1994-01-01 00:00:00

abstract：:A series of studies were conducted to determine the effects of leucine-(leu-) enkephalin and methionine-(met-) enkephalin on perfusion pressure. These experiments utilized isolated perfused femoral arterial preparations in pentobarbital-anesthetized cats. The enkephalins were administered intraarterially into the femo...

journal_title：Life sciences

authors： Moore RH 3rd,Dowling DA

更新日期：1982-10-11 00:00:00

abstract：:The temperature effects of naloxone and naltrexone (1-30 mg/kg) were examined in well habituated male rats. These drugs had a similar time course and potency, producing a dose-dependent hypothermia followed several hours later by a hyperthermia. A subsequent study found that not only did 30 mg/kg of naloxone or naltre...

journal_title：Life sciences

authors： Eikelboom R

更新日期：1987-03-16 00:00:00

abstract：:We compared the relative abilities of atropine sulfate and methylatropine, injected i.v. and into the cerebral ventricles (icv), to block pharmacological responses mediated through central and peripheral muscarinic receptors. The hypotensive response to i.v. injection of acetylcholine (peripheral muscarinic receptors)...

journal_title：Life sciences

authors： Brezenoff HE,Xiao YF,Vargas H

更新日期：1988-01-01 00:00:00

abstract：:The reproductive system effects of cocaine were studied in male rats. The analysis included measurements of circulating levels of luteinizing hormone (LH) and testosterone (T) by radioimmunoassay (RIA). The weights of the testes and sex accessory organs were also assessed and compared with control animals. Dosage leve...

journal_title：Life sciences

authors： Berul CI,Harclerode JE

更新日期：1989-01-01 00:00:00

abstract：AIMS:There have been recent reports that reconsolidation-based interventions attenuate drug reward memories in rodents. The insular cortex (IC) is an essential part of neural circuits that underlie cue-drug memory reconsolidation. GABAergic interneurons in the IC are a potent control on network excitability and play an...

journal_title：Life sciences

authors： Sun K,Xiao L,Wu Y,Zuo D,Zhang C,Liu S,He Z,Rong S,Wang F,Sun T

更新日期：2020-08-01 00:00:00

abstract：:Chemokines constitute a large family of structurally-related small cytokines originally identified as factors regulating the migration of leukocytes in inflammatory and immune responses. Production of chemokines and their receptors in the brain has been reported under various pathological conditions. We revealed that ...

journal_title：Life sciences

authors： Minami M,Satoh M

更新日期：2003-12-05 00:00:00

abstract：:The effect of polyamines on the catalytic domain of protein kinase C from rat brain was investigated. It was found that the addition of spermine strongly inhibited phosphorylation activity toward histone H1 as substrate. This tetramine, at millimolar concentrations, was most potently effective while triamines and diam...

journal_title：Life sciences

authors： Mezzetti G,Monti MG,Moruzzi MS

更新日期：1988-01-01 00:00:00

abstract：:[3H]5-HT binding sites were analyzed in membranes prepared from the rabbit caudate nucleus (CN). [3H]5-HT labeled both 5-HT1A and 5-HT1C recognition sites, defined by nanomolar affinity for 8-OH-DPAT and mesulergine respectively; however, these represented only a fraction of total specific [3H]5-HT binding. Saturation...

journal_title：Life sciences

authors： Xiong WC,Nelson DL

更新日期：1989-01-01 00:00:00

abstract：AIMS:LexA protein is a transcriptional repressor which regulates the expression of more than 60 genes belonging to the SOS global regulatory network activated by damages to bacterial DNA. Considering its role in bacteria, LexA represents a key target to counteract bacterial resistance: the possibility to modulate SOS r...

journal_title：Life sciences

authors： Bellio P,Mancini A,Di Pietro L,Cracchiolo S,Franceschini N,Reale S,de Angelis F,Perilli M,Amicosante G,Spyrakis F,Tondi D,Cendron L,Celenza G

更新日期：2020-01-15 00:00:00

abstract：AIMS:Enhanced aerobic glycolysis is an essential hallmark of malignant cancer. Blocking the glycolytic pathway has been suggested as a therapeutic strategy to impair the proliferation of tumor cells. Metformin, a widely used anti-diabetes drug, exhibits anti-tumor properties. However, the underlying molecular mechanism...

journal_title：Life sciences

authors： Hu,Zeng Z,Xia Q,Liu Z,Feng X,Chen J,Huang M,Chen L,Fang Z,Liu Q,Zeng H,Zhou X,Liu J

更新日期：2019-12-15 00:00:00

abstract：:Since reduced levels of brain serotonin are known to cause behavioural abnormalities, to which diabetics are also prone, we investigated the effect, in rats, of chronic diabetes on brain serotonin concentration and on the numbers of 5-HT(1A) and 5-HT2 receptors in cerebral cortex and brainstem. Our data show that stre...

journal_title：Life sciences

authors： Sandrini M,Vitale G,Vergoni AV,Ottani A,Bertolini A

更新日期：1997-01-01 00:00:00

abstract：:Rats were made sensitive to the effects of the opioid antagonist naltrexone by treating them once weekly with cumulative doses of the drug (1, 3, 10, 30 and 100 mg/kg). Sensitization was monitored by measuring salivation following naltrexone administration. During the first week of treatment, no salivation was noted f...

journal_title：Life sciences

authors： Schindler CW,Marley RJ,Goldberg SR

更新日期：1992-01-01 00:00:00

abstract：AIMS:To determine whether increased N-acetyltransferase (NAT) activity might have a toxic effect during development and an influence on folate levels since previous work has shown that only low levels of exogenous NAT can be achieved in constitutionally transgenic mice (Cao et al. 2005). MAIN METHODS:A human NAT1 tet-...

journal_title：Life sciences

authors： Cao W,Strnatka D,McQueen CA,Hunter RJ,Erickson RP

更新日期：2010-01-16 00:00:00

abstract：:Digoxin-like immunoreactive factors (DLIFs) in serum may represent endogenous cardiotropic agents. We determined if blood levels of these endogenous factors changed during prolonged strenuous exercise. Total and loosely protein-bound (LPB) DLIF were measured by radioimmunoassay in the serum of nine healthy subjects du...

journal_title：Life sciences

authors： Valdes R Jr,Hagberg JM,Vaughan TE,Lau BW,Seals DR,Ehsani AA

更新日期：1988-01-01 00:00:00

abstract：:The inhibitory activity of methylguanidine, guanidine and their precursors, creatine and creatinine, on both the neuronal constitutive and lung inducible isoforms of nitric oxide synthase were examined in this study. Methylguanidine and guanidine (0.01-3 mM) significantly (P<0.01) inhibited in a concentration-dependen...

journal_title：Life sciences

authors： Sorrentino R,Sautebin L,Pinto A

更新日期：1997-01-01 00:00:00

abstract：:This study investigated the effects of captopril, hydralazine and losartan on the locomotor activity, tailflick and hot plate latencies in spontaneously hypertensive rats (SHR) and their genetic controls the Wistar-Kyoto rat (WKY). The increased hot plate latencies normally exhibited by the spontaneously hypertensive ...

journal_title：Life sciences

authors： Irvine RJ,White JM,Head RJ

更新日期：1995-02-17 00:00:00

abstract：:Trifluoperazine (5-200 microM) stimulated the release of 3H-NE from isolated whole pineal glands in a dose dependent manner. Trifluoperazine-induced release was not dependent on extracellular Ca++, whereas 60 mM K+-evoked release was attenuated in the presence of EGTA and zero Ca++ Krebs. 60 mM K+ and 50 microM triflu...

journal_title：Life sciences

authors： Yurko KA,Quenzer LF

更新日期：1986-04-14 00:00:00

abstract：:Two-dimensional and line-scan analyses of the early phase Ca2+ transients in rat cardiomyocytes were performed with a rapid-scanning laser confocal microscope and fluo-3 to elucidate the mechanism of activation of Ca2+ release from the sarcoplasmic reticulum in atrial myocytes which lack a well developed T-tubular net...

journal_title：Life sciences

authors： Tanaka H,Masumiya H,Sekine T,Kase J,Kawanishi T,Hayakawa T,Miyata S,Sato Y,Nakamura R,Shigenobu K

更新日期：2001-12-28 00:00:00

abstract：:Autophagy is an essential mechanism of cellular degradation, a way to protect the cells under stress conditions, such as deprivation of nutrients, growth factors and cellular damage. However, in normal physiology autophagy plays a significant role in cancer cells. Current research is in progress to understand how auto...

journal_title：Life sciences

authors： Raj S,Chandel V,Kumar A,Kesari KK,Asthana S,Ruokolainen J,Kamal MA,Kumar D

更新日期：2020-10-15 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：: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