Electrocardiographic alterations induced by repeated electrical stimulation of the heart at low intensity.

abstract：:We studied the effects of cAMP on cytokine (interferon-gamma plus tumor necrosis factor-alpha)-induced stimulation of tetrahydrobiopterin (BH4) synthesis in human umbilical vein endothelial cells (HUVEC). The cytokine mixture caused a marked increase in the biosynthesis and release of BH4 by HUVEC. Dibutyryl-cAMP prod...

journal_title：Life sciences

authors： Ohtsuki M,Shiraishi H,Kato T,Kuroda R,Tazawa M,Sumi-Ichinose C,Tada S,Udagawa Y,Itoh M,Hishida H,Ichinose H,Nagatsu T,Hagino Y,Nomura T

更新日期：2002-03-22 00:00:00

abstract：:Overexpression of vascular endothelial growth factor (VEGF) and the extent of neoangiogenesis are closely correlated with tumor development and cancer metastases. To assess whether VEGF mediated angiogenesis is regulated by HDM2, we treated the GI-101A and HL-60 cells with HDM2 gene specific antisense phosphorothioate...

journal_title：Life sciences

authors： Narasimhan M,Rose R,Ramakrishnan R,Zell JA,Rathinavelu A

更新日期：2008-06-20 00:00:00

abstract：:The effects of adenosine on the amylase secretion from rat pancreatic lobules have been studied. Adenosine induces a dose-dependent stimulation on amylase release, which is maximal at a concentration of 10(-4) M. It has been observed a clear inhibition of this secretory action when atropine was added whereas no amylas...

journal_title：Life sciences

authors： Rodríguez-Nodal F,San Román JI,López-Novoa JM,Calvo JJ

更新日期：1995-01-01 00:00:00

abstract：:Liver sections removed from phenobarbital induced rats 24 to 48 hours after a 2 hour exposure to 1.0% halothane with 10% oxygen and subjected to immunocytochemical treatment showed evidence of centrilobular damage as well as evidence of the production of a protein which has immunoreactivity with anti HSP 72 antibodies...

journal_title：Life sciences

authors： Van Dyke RA,Mostafapour S,Marsh HM,Li Y,Chopp M

更新日期：1992-01-01 00:00:00

abstract：:Our recent report demonstrated that apoptosis-specific autoantibodies against granzyme B-induced cleavage fragments of SS-B (La) were found in the sera from patients with primary Sjögren's syndrome. The objective of this study was identified by the intracellular redistribution of La autoantigen during granzyme B-induc...

journal_title：Life sciences

authors： Huang M,Ida H,Arima K,Nakamura H,Aramaki T,Fujikawa K,Tamai M,Kamachi M,Kawakami A,Yamasaki H,Origuchi T,Eguchi K

更新日期：2007-10-27 00:00:00

abstract：:Oxidative stress induced cell injury is reported to contribute to the pathogenesis of cerebral ischemia. Reactive oxygen species such as hydrogen peroxide (H2O2) and superoxide radical along with nitric oxide and peroxynitrite generated during ischemia-reperfusion injury, causes the overactivation of poly (ADP-ribose)...

journal_title：Life sciences

authors： Kaundal RK,Shah KK,Sharma SS

更新日期：2006-11-10 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：:A monoclonal antibody (C351) against alpha human atrial natriuretic polypeptide (alpha hANP) recognizing human form ring structure was established and applied to a radioimmunoassay of plasma alpha hANP. The minimum detectable amount in terms of 10% radioligand displacement relative to zero dose were 0.28 fmol/tube, co...

journal_title：Life sciences

authors： Naomi S,Umeda T,Iwaoka T,Miura F,Ohno M,Sasaki M,Oishi S,Sato T,Takatsu K

更新日期：1988-01-01 00:00:00

abstract：:The role of dopamine (DA) input on the activity of glutamate neurons was investigated on rat striatal and cortical tissue using the measurement of sodium-dependent high affinity glutamate uptake (HAGU) as an index. Incubation of the tissue in the presence of DA, apomorphine or bromocriptine produced marked inhibition ...

journal_title：Life sciences

authors： Nieoullon A,Kerkerian L,Dusticier N

更新日期：1982-04-05 00:00:00

abstract：:Transitory immunosupression is reported after intense exercise, especially after an increase in training overload and in overtraining. The influence of intense exercise on plasma hormones and glutamine concentration may contribute to this effect. However, the effect of such exercise-induced changes upon lymphocyte and...

journal_title：Life sciences

authors： Santos RV,Caperuto EC,Costa Rosa LF

更新日期：2007-01-16 00:00:00

abstract：:Intravenous (640 micrograms/kg) or intracerebroventricular (0.5 and 1 microgram) injection of Escherichia coli endotoxin (LPS) causes inhibition of water intake induced by 24 hour period of water deprivation in the rat. Tumor necrosis factor alpha (TNF-alpha; 20 and 40 ng/rat) given into the lateral cerebral ventricle...

journal_title：Life sciences

authors： Calapai G,Mazzaglia G,Marciano MC,Squadrito F,Altavilla D,Zingarelli B,Prosdocimi M,Caputi AP

更新日期：1992-01-01 00:00:00

abstract：:In the present study, we investigated the effects of calmodulin, adenosine 5'-triphosphate (ATP) and pertussis toxin (PT) on phorbol ester (PMA) (a protein kinase C activator) induced inhibition of ANF-stimulated cyclic GMP formation in cells from the human renal cell line, SK-NEP-1. PMA inhibited ANF-stimulated guany...

journal_title：Life sciences

authors： Sekiya M,Frohlich ED,Cole FE

更新日期：1991-01-01 00:00:00

abstract：:In both normal and hypophysectomized rats, electroconvulsive shock (ECS) produced a significant postictal rise in seizure threshold (S.T.) to flurothyl, a volatile convulsant. This ECS-induced increase in S.T. was markedly attenuated by naloxone (10 mg/kg s.c.), which itself did not alter basal S.T. A dose of bicucull...

journal_title：Life sciences

authors： Tortella FC,Cowan A

更新日期：1982-11-15 00:00:00

abstract：:Nitric oxide is involved in a countless number of physiological processes and is known to have cytoprotective as well as cytotoxic effects. Increased knowledge about the multifaceted role of nitric oxide in a variety of disease states has led to the design of multiple treatment strategies involving the nitric oxide sy...

journal_title：Life sciences

authors： Grant MK,El-Fakahany EE

更新日期：2004-02-20 00:00:00

abstract：:Previous studies have shown that cytochrome P450-Arachidonic Acid (P450-AA) metabolites modify the vascular tone of several vessels and that vasopressin (AVP) stimulates P450-AA metabolism. Thus, in the present study, we decided to investigate if the vasoconstrictor effect of AVP is related to activation of P450-AA me...

journal_title：Life sciences

authors： Vazquez B,Rios A,Escalante B

更新日期：1995-01-01 00:00:00

abstract：:In order to estimate the intestinal stability of ebiratide [H-Met(O2)-Glu-His-Phe-D-Lys-Phe-NH(CH2)8-NH2], a novel adrenocorticotropic hormone (ACTH) analogue, after oral administration, the hydrolytic properties of ebiratide were determined in the rat small intestinal fluid and mucosal homogenates. Ebiratide was extr...

journal_title：Life sciences

authors： Okagawa T,Fujita T,Murakami M,Yamamoto A,Shimura T,Tabata S,Kondo S,Muranishi S

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：:A recent neuropathological study has reported decreased levels of dynorphin A immunoreactivity in striato-pallidal fibers in the brain of a patient with severe Gilles de la Tourette's syndrome (TS). This observation, taken with the neuroanatomic distribution of dynorphin and its broad range of motor and behavioral eff...

journal_title：Life sciences

authors： Leckman JF,Riddle MA,Berrettini WH,Anderson GM,Hardin M,Chappell P,Bissette G,Nemeroff CB,Goodman WK,Cohen DJ

更新日期：1988-01-01 00:00:00

abstract：:Although exogenous cannabinoid ligands such as delta9-tetrahydrocannabinol (THC) have been implicated in reward-related learning and aversion, the hedonic effects of the endogenous cannabinoid agonist anandamide (arachidonylethanolamide) have never been assessed. Thus, the effects of anandamide were tested in a place ...

journal_title：Life sciences

authors： Mallet PE,Beninger RJ

更新日期：1998-01-01 00:00:00

abstract：:Preconditioning (PC) is a potential approach to myocardial protection. We hypothesize that brief ischemia or adenosine given prior to an extended period of warm ischemia may prevent myocardial stunning by altering myocardial metabolism. Using a global ischemia model, 19 dogs were subjected to no PC(control), two episo...

journal_title：Life sciences

authors： Phillips AB,Ko W

更新日期：2007-10-13 00:00:00

abstract：:It is well known that the immune function can be compromised by stress. To investigate immune function in mice stressed by experimental restraint or unavoidable and opioid dependent stress, we evaluated the changes in total body weight and in organ weights (liver, spleen and thymus) of these animals, as well as the ph...

journal_title：Life sciences

authors： Teshima H,Sogawa H,Kihara H,Kubo C,Mori K,Nakagawa T

更新日期：1990-01-01 00:00:00

abstract：:Glycated human serum albumin (glc HSA) and glc proteins in back hairs from diabetic rats were deglycated by incubation with hydrazine or aminoguanidine (guanylhydrazine) at physiological temperature (37 degrees C). Glc HSA decreased by 35% with 0.2 M hydrazine at day 20 and by 56% with 0.1 M aminoguanidine at day 10. ...

journal_title：Life sciences

authors： Kobayashi K,Yoshimoto K,Hirauchi K,Uchida K

更新日期：1993-01-01 00:00:00

abstract：:Stonustoxin (SNTX) is a 148 kDa, dimeric, hypotensive and lethal protein factor isolated from the venom of the stonefish Synanceja horrida. SNTX (10-320 ng/ml) progressively causes relaxation of endothelium-intact, phenylephrine (PE)-precontracted rat thoracic aortic rings. The SNTX-induced vasorelaxation was inhibite...

journal_title：Life sciences

authors： Liew HC,Khoo HE,Moore PK,Bhatia M,Lu J,Moochhala SM

更新日期：2007-04-10 00:00:00

abstract：AIMS:As of the 28th April 2020, the COVID-19 pandemic has infiltrated over 200 countries and affected over three million confirmed people. We review different biomarkers to evaluate if they are able to predict clinical outcomes and correlate with the severity of COVID-19 disease. METHODS:A systematic review of the lit...

journal_title：Life sciences

authors： Kermali M,Khalsa RK,Pillai K,Ismail Z,Harky A

更新日期：2020-08-01 00:00:00

abstract：:The roles of capsaicin-sensitive sensory nerves (CPSN), endogenous nitric oxide (NO), sulfhydryls (SHs), prostaglandins (PGs) in the gastroprotection by momordin Ic, an oleanolic acid oligoglycoside isolated from the fruit of Kochia scoparia (L.) SCHRAD., on ethanol-induced gastric mucosal lesions were investigated in...

journal_title：Life sciences

authors： Matsuda H,Li Y,Yoshikawa M

更新日期：1999-01-01 00:00:00

abstract：:Using liposomes differing in size and lipid composition, we have studied the uptake characteristics of the liver parenchymal and Kupffer cells. Desferal labeled with iron-59 was chosen as a radiomarker for the liposomal content, because Desferal in its free form does not cross cellular membranes. At various time inter...

journal_title：Life sciences

authors： Rahman YE,Cerny EA,Patel KR,Lau EH,Wright BJ

更新日期：1982-11-08 00:00:00

abstract：:Inhaled antimuscarinics, often called anticholinergics in clinical medicine, are established as first line bronchodilators in COPD. Tiotropium has been developed as a new generation antimuscarinic following ipratropium. Tiotropium is a specific, highly potent antimuscarinic, demonstrating very slow dissociation from m...

journal_title：Life sciences

authors： Disse B,Speck GA,Rominger KL,Witek TJ Jr,Hammer R

更新日期：1999-01-01 00:00:00

abstract：AIMS:The roles of miR-141 in various types of cancers and inflammatory bowel diseases are researched, whereas, little information about its function in lung inflammation is available. This study was designed to explore the effect of miR-141 on inflammation injury in WI-38 cells, possibly providing basis for targeted th...

journal_title：Life sciences

authors： Quan B,Zhang H,Xue R

更新日期：2019-01-01 00:00:00

abstract：:Efficacy of chemotherapy may be maximized and its toxicity can be minimized if drugs would be administered at specified daily times. The present study was aimed to examine if the protection of amifostine against cisplatin toxicity is time dependent. Amifostine is an organic thiophosphate that protects selectively norm...

journal_title：Life sciences

authors： Asna N,Lewy H,Ashkenazi IE,Deutsch V,Peretz H,Inbar M,Ron IG

更新日期：2005-03-04 00:00:00

abstract：AIMS:Stroke-prone spontaneously hypertensive rats (SHRSP) show significantly lower body weight than normotensive Wistar-Kyoto rats (WKY). Our hypotheses are as follows: weight loss of the skeletal muscle is related to hypertension-related diseases, and muscle hypotrophy is useful as a therapeutic target for hypertensio...

journal_title：Life sciences

authors： Inoue T,Hagiyama M,Maenishi O,Kimura M,Mizuguchi N,Mine Y,Kimura R,Chikugo T,Itoh T,Satou T,Ito A

更新日期：2019-11-15 00:00:00