Inhibition of growth of HeLa and WI-38 cells by dehydroepiandrosterone and its reversal by ribo- and deoxyribonucleosides.

abstract：:Intestinal mucosal capsaicin-sensitive afferent nerves mediate, in part, the protective mesenteric hyperemia after intraduodenal acidification. Mechanisms associated the sensory neuropeptides, e.g. calcitonin gene-related peptide (CGRP), substance P, and ruthenium red-sensitive cation channels contribute to acid-induc...

journal_title：Life sciences

authors： Leung FW,Iwata F,Kao J,Seno K,Itoh M,Leung JW

更新日期：2002-10-18 00:00:00

abstract：:Hyperlipidemia and the glomerular accumulation of atherogenic lipoproteins (low density lipoprotein, LDL; and its oxidatively-modified variants, ox-LDL) are commonly associated with the development of glomerular mesangial proliferative diseases. However, cellular signaling mechanisms by which atherogenic lipoproteins ...

journal_title：Life sciences

authors： Kamanna VS,Bassa BV,Ganji SH

更新日期：2008-10-24 00:00:00

abstract：:The effects of pyrroloquinoline quinone (PQQ) and PQQ-oxazole (PQQ-glycine adduct) on DNA synthesis were examined using cultured human fibroblasts. Confluent fibroblasts were cultured in serum-free Dulbecco's modified Eagle's media, and various concentrations of PQQ and PQQ-oxazole were added to the media. After incub...

journal_title：Life sciences

authors： Naito Y,Kumazawa T,Kino I,Suzuki O

更新日期：1993-01-01 00:00:00

abstract：:XY99-5038 is a preparation from a specific formula provided by Dr. Yan Xin, a renowned Traditional Chinese Medicine specialist. This formulation has proven to be effective without side effects but has not been studied under rigorous laboratory conditions. In order to investigate the role of XY99-5038 in protecting neu...

journal_title：Life sciences

authors： Xin Y,Fong YT,Wolf G,Wolf D,Cao W

更新日期：2001-06-08 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：:The survival of osteoblast cells is one of the determinants of the development of osteoporosis in patients with inflamed synovium, such as in rheumatoid arthritis (RA). By means of alkaline phosphatase (ALP) activity and osteocalcin ELISA assay, I have shown that myricetin exhibits a significant induction of different...

journal_title：Life sciences

authors： Kuo PL

更新日期：2005-10-21 00:00:00

abstract：:Resveratrol, a polyphenolic phytoaxelin present in red wine, has been suggested to protect against atherosclerosis and cardiovascular disease because of its antioxidant effects. Intercellular adhesion molecule (ICAM-1), induced by cytokines, has been hypothesized to play a role in the early events during atheroscleros...

journal_title：Life sciences

authors： Wung BS,Hsu MC,Wu CC,Hsieh CW

更新日期：2005-12-12 00:00:00

abstract：:The colchicine-induced accumulation of vasopressin (AVP) and oxytocin (OXT) has recently been applied to estimate the synthesis and turnover rates for these neuropeptides in whole rat hypothalamus. In the present studies, this pharmacologic procedure has been examined as a potential method for estimating hypothalamic ...

journal_title：Life sciences

authors： Liu B,Kwok RP,Fernstrom JD

更新日期：1991-01-01 00:00:00

abstract：:Muscarinic receptors are expressed in smooth muscle throughout the body. In most instances, the muscarinic receptor population in smooth muscle is composed of mainly the M2 and M3 subtypes in an 80% to 20% mixture. The M3 subtype mediates phosphoinositide hydrolysis and calcium mobilization, whereas the M2 subtype med...

journal_title：Life sciences

authors： Ehlert FJ,Ostrom RS,Sawyer GW

更新日期：1997-01-01 00:00:00

abstract：AIMS:Poly (ADP-ribose) polymerase- (PARP)-1 is predominantly triggered by DNA damage. Overexpression of PARP-1 is known for its association with the pathogenesis of several CNS disorders, such as Stroke, Parkinson's disease (PD), Alzheimer's disease (AD), Huntington (HD) and Amyotrophic lateral sclerosis (ALS). NAD+ de...

journal_title：Life sciences

authors： Thapa K,Khan H,Sharma U,Grewal AK,Singh TG

更新日期：2021-02-15 00:00:00

abstract：:The present work aims to document, in a previously described animal model of Parkinson (double bilateral striatal injection of 6-OHDA), the possible modifications of circadian markers rhythms i.e. temperature (T), heart rate (H) and locomotor activity (A) registered continuously by telemetry, in order to evaluate a po...

journal_title：Life sciences

authors： Ben V,Bruguerolle B

更新日期：2000-08-18 00:00:00

abstract：AIMS:Although dexamethasone (Dex) is used widely as an anti-inflammatory and immunosuppressive drug, Dex appears to have severe side-effects, including osteoporosis. This study determined the effects of Dex on duodenal and renal expressions of the calcium-processing genes transient receptor potential cation channel, su...

journal_title：Life sciences

authors： Kim MH,Lee GS,Jung EM,Choi KC,Jeung EB

更新日期：2009-07-17 00:00:00

abstract：:Tramadol is a clinically-effective, centrally-acting analgesic. This drug is a racemic mixture of two enantiomers, each one displaying different mechanisms: (+)tramadol displays opioid agonist properties and inhibits serotonin reuptake while (-)tramadol inhibit preferentially noradrenaline reuptake. The action of tram...

journal_title：Life sciences

authors： Rojas-Corrales MO,Gibert-Rahola J,Micó JA

更新日期：1998-01-01 00:00:00

abstract：AIMS:This study was performed to examine whether hypertension affects the sympathetic transmission to resistance vessels of pithed rats via inhibitory presynaptic cannabinoid CB1 receptors and whether endocannabinoids are involved in this response. MATERIALS AND METHODS:We compared uninephrectomised rats rendered hype...

journal_title：Life sciences

authors： Toczek M,Schlicker E,Grzęda E,Malinowska B

更新日期：2015-10-01 00:00:00

abstract：:Clinical data indicate that hydroalcoholic extracts of Hypericum perforatum might be as valuable as conventional antidepressants in mild-to-moderate depression, with fewer side effects. One clinical trial using two extracts with different hyperforin contents indicated it as the main active principle responsible for th...

journal_title：Life sciences

authors： Mennini T,Gobbi M

更新日期：2004-07-16 00:00:00

abstract：:Effects of baicalein and wogonin, the major flavonoids of Scutellariae radix, on cytochrome P450 (CYP), UDP-glucuronosyl transferase (UGT), and glutathione S-transferase (GST) were studied in C57BL/6J mice. One-week treatment of mice with a liquid diet containing 5 mM baicalein resulted in 29%, 14%, 36%, 28%, and 46% ...

journal_title：Life sciences

authors： Ueng YF,Shyu CC,Lin YL,Park SS,Liao JF,Chen CF

更新日期：2000-09-22 00:00:00

abstract：:The present study was conducted to characterize the binding of neurotransmitter receptors (dopamine D(2), serotonin 5-HT(2), histamine H(1), adrenaline alpha(1) and muscarine M(l) receptors) in the rat's brain after the oral administration of haloperidol, risperidone, and olanzapine. Haloperidol at 1 and 3 mg/kg displ...

journal_title：Life sciences

authors： Uchida S,Kato Y,Hirano K,Kagawa Y,Yamada S

更新日期：2007-04-03 00:00:00

abstract：:We studied Na,K-ATPase mRNA expression in cardiomyopathic (Bio 14.6) and normal (F1b) Syrian hamster ventricles. In Northern blot analysis, Na,K-ATPase alpha 1, alpha 2, alpha 3 and beta 1 isoform mRNAs were detected in 3-week-old Bio 14.6 and F1b hamster ventricles. We then investigated the expression of alpha 1 subu...

journal_title：Life sciences

authors： Tsuruya Y,Ikeda U,Yamamoto K,Seino Y,Kanbe T,Shimada K

更新日期：1994-01-01 00:00:00

abstract：:Uncontrolled recreational drugs are proliferating in number and variety. Effects of long-term use are unknown, and regulation is problematic, as efforts to control one chemical often lead to several other structural analogs. Advanced analytical instrumentation and methods are continuing to be developed to identify dru...

journal_title：Life sciences

authors： Thomas BF,Pollard GT,Grabenauer M

更新日期：2013-03-19 00:00:00

abstract：:Two male adult rhesus monkeys were used and caged individually. The room was temperature-controlled having a light-dark period of 12/12 hours. The animals were rapidly immobilized and immediately anesthetized with ketamine i. m. (10 mg/kg of body weight). They were bled four times at 15, 30, 45 and 60 mins after the k...

journal_title：Life sciences

authors： Mora OA,García Castiñeiras S,Ezquerra C,Guisado S

更新日期：1991-01-01 00:00:00

abstract：:Responses to [Mpr14]-ADM(14-50), a novel analog of adrenomedullin, were investigated in the hindlimb vascular bed of the cat under conditions of controlled blood flow. Intraarterial injections of [Mpr14]-rADM(14-50) in doses of 0.003-1 nmol caused dose-related decreases in hindlimb perfusion pressure. In terms of rela...

journal_title：Life sciences

authors： Champion HC,Duperier CD,Fitzgerald WE,Lambert DG,Murphy WA,Coy DH,Kadowitz PJ

更新日期：1996-01-01 00:00:00

abstract：AIMS:We investigated the pathophysiological changes in mice lacking α2-antiplasmin (α2-AP) and plasminogen activator inhibitor type-1 (PAI-1) genes, and elucidated the involvement of these inhibitors for fibrinolysis in immune response. MAIN METHODS:The pathophysiological changes induced by a lack of both α2-AP and PA...

journal_title：Life sciences

authors： Okada K,Ueshima S,Kawao N,Yano M,Tamura Y,Tanaka M,Sakamoto A,Hatano M,Arima M,Miyata S,Nagai N,Tokuhisa T,Matsuo O

更新日期：2013-07-30 00:00:00

abstract：:Synthetic atriopeptin II (APII) was infused directly into the right renal artery of intact conscious SHR at rates of 0.25-1 microgram/kg/min, while simultaneously measuring blood pressure (MAP) and selected regional blood flows. The latter were measured using chronically implanted miniaturized Doppler flowprobes that ...

journal_title：Life sciences

authors： Smits JF,van Essen H,Struyker-Boudier HA,Lappe RW

更新日期：1986-01-06 00:00:00

abstract：:We studied the effect of thapsigargin on intracellular calcium levels ([Ca2+]i) measured by fura-2 fluorimetry in Madin Darby canine kidney (MDCK) cells. Thapsigargin elevated [Ca2+]i dose dependently with an EC50 of approximately 0.15 microM. The Ca2+ signal consisted of a slow rise, a gradual decay and a plateau. De...

journal_title：Life sciences

authors： Jan CR,Ho CM,Wu SN,Tseng CJ

更新日期：1999-01-01 00:00:00

abstract：:The lymphatic vessels have been implicated in maintenance of interstitial fluid homeostasis and immune responses, and pathological conditions including inflammation, wound healing, lymphedema and tumor progression. The knowledge about the lymphatic structure and function in muscles, especially in muscular disorders, r...

journal_title：Life sciences

authors： Ji RC

更新日期：2018-10-15 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：:alpha-Difluoromethylornithine (DFMO) directly infused into a brain-lateral ventricle (12.5, 25 and 50 micrograms/rat) dose- and time-dependently inhibited brain ODC activity. While having no influence per se on pain threshold, DFMO significantly inhibited the analgesic activity of morphine (15 mg/kg i.p.), this effect...

journal_title：Life sciences

authors： Genedani S,Bernardi M,Tagliavini S,Bertolini A

更新日期：1989-01-01 00:00:00

abstract：:Thirty-four novel, diaryl ω-(isothiocyanato)alkylphosphonates with chlorine atom and methoxy, dimethoxy, methylsulfanyl, or methoxycarbonyl groups at ortho, meta, or para positions of the phenyl ring, and with an unbranched alkyl chain (n = 2-6) were designed and synthesized in a one-pot reaction in 11-76% yields. All...

journal_title：Life sciences

authors： Janczewski Ł,Burchacka E,Psurski M,Ciekot J,Gajda A,Gajda T

更新日期：2019-02-15 00:00:00

abstract：AIMS:Hypoxia-inducible factor-1α (HIF-1α) is a transcriptional regulator of cellular responses to hypoxic stress. MicroRNAs (miRNAs) play an essential role in hypoxia-mediated cellular responses. Previous studies have identified some let-7 family members as hypoxia-regulated miRNAs (HRMs). In the present study, we aime...

journal_title：Life sciences

authors： Huang CX,Chen N,Wu XJ,He Y,Huang CH,Liu H,Wang WM,Wang HL

更新日期：2017-02-15 00:00:00

abstract：:Acute ethanol treatment in vivo (i.p. injection of 3.5 g ethanol/Kg B. wt.) stimulated the release of beta-endorphin like peptides by the pituitary gland as was indicated by the increased content of beta-endorphin like immunoreactivity (beta-EPLIR) in the plasma. Furthermore, a significant decrease in the anterior lob...

journal_title：Life sciences

authors： Gianoulakis C,Barcomb A

更新日期：1987-01-05 00:00:00