Validation of a behavioral recording automated system in the elevated plus-maze test.

abstract：AIMS:Glioblastoma is one of the most invasive tumors of the central nervous system, and has a high degree of malignancy and poor prognosis. Harmine, an active ingredient extracted from perennial herbs, has been reported to have obvious antitumor effects on various tumors. However, the effects of harmine on glioblastoma...

journal_title：Life sciences

authors： Zhu YG,Lv YX,Guo CY,Xiao ZM,Jiang QG,Kuang H,Zhang WH,Hu P

更新日期：2021-01-26 00:00:00

abstract：:Vascular disease is one of the complicating features of diabetes mellitus. Magnesium deficiency has recently been proposed as a novel factor implicated in the pathogenesis of diabetes complications. Several studies have indicated that hypertension in diabetic patients is an independent altered reaction of blood vessel...

journal_title：Life sciences

authors： Soltani N,Keshavarz M,Sohanaki H,Dehpour AR,Zahedi Asl S

更新日期：2005-02-11 00:00:00

abstract：:Recent studies have indicated that Ginsenoside Rb1, one of the major components of ginseng root, may play an important role in protecting cells from damage. Here, we investigated the neuroprotective activity of Rb1 after hypoxic injury in young rats. About 50% animals were dead by exposing hypoxic condition three time...

journal_title：Life sciences

authors： Park JK,Namgung U,Lee CJ,Park JO,Jin SH,Kwon OB,Ko SR,Kim SW,Kang EJ,Ko JH,Lee SM,Kim DH,Won MH

更新日期：2005-01-14 00:00:00

abstract：:The role of extracellular acidosis in inflammatory airway diseases is not well known. One consequence of tissue acidification is the stimulation of sensory nerves via the polymodal H(+)-gated transmembrane channels ASICs and TRPV1 receptor. The present study investigated the effect of acidosis on airway basal tone and...

journal_title：Life sciences

authors： Faisy C,Planquette B,Naline E,Risse PA,Frossard N,Fagon JY,Advenier C,Devillier P

更新日期：2007-09-08 00:00:00

abstract：:We administered intravenous adenosine to 11 neonatal rabbits. Adenosine depressed respiration in 10 of 11 rabbits. For the group as a whole the adenosine-induced respiratory depression was highly significant (p less than 0.001). After aminophylline administration to the same animals the respiratory effect of intraveno...

journal_title：Life sciences

authors： Watt AH,Buss DC,Routledge PA

更新日期：1987-01-05 00:00:00

abstract：AIMS:Histone modifications play central epigenetic roles in regulating the entire genome of the cell and cell proliferation. Herein, we investigated the effects of the natural compound, 16-hydroxycleroda-3,13-dien-15,16-olide (PL3), on the expressions of histone-modifying enzymes, and examined how it induces apoptosis ...

journal_title：Life sciences

authors： Lin YH,Lee CC,Chang FR,Chang WH,Wu YC,Chang JG

更新日期：2011-12-05 00:00:00

abstract：:To examine the physiological significance of plasma ghrelin in generating pulsatile growth hormone (GH) secretion in rats, plasma GH and ghrelin levels were determined in freely moving male rats. Plasma GH was pulsatilely secreted as reported previously. Plasma ghrelin levels were measured by both N-RIA recognizing th...

journal_title：Life sciences

authors： Okimura Y,Ukai K,Hosoda H,Murata M,Iguchi G,Iida K,Kaji H,Kojima M,Kangawa K,Chihara K

更新日期：2003-04-18 00:00:00

abstract：:The binding characteristics of the sigma-1 selective benzomorphan [3H]-(+)-pentazocine were determined in human cerebellar membranes. Saturation binding analysis revealed two affinity sites with a KDH of 1.4 +/- 0.7 nM and a KDL of 33.6 +/- 11.9 nM. Kinetic studies performed at 25 degrees C demonstrated reversible bin...

journal_title：Life sciences

authors： Zabetian CP,Staley JK,Flynn DD,Mash DC

更新日期：1994-01-01 00:00:00

abstract：:Intracellular calcium plays an important role on the pathogenesis of hypoxia-induced cellular injury. Calbindin-D(28k), a cytosolic vitamin D-dependent calcium binding protein, can serve as a buffer to limit a surge in intracellular Ca2+ concentration ([Ca2+]i) induced by various stimulations. To evaluate the possible...

journal_title：Life sciences

authors： Wu MJ,Lai LW,Lien YH

更新日期：2002-06-21 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 vitro effects of medicinal plant extracts from the pericarpium of Citrus reticulata (cv Jiao Gan) (PCRJ) on the growth and differentiation of a recently characterized murine myeloid leukemic cell clone WEHI 3B (JCS) were investigated. Extracts of PCRJ not only inhibited the proliferation of JCS cells in a dose depe...

journal_title：Life sciences

authors： Mak NK,Wong-Leung YL,Chan SC,Wen J,Leung KN,Fung MC

更新日期：1996-01-01 00:00:00

abstract：:The inhibitory effect of some isoxazolpyrimidine derivatives on iNOS and COX-2 endotoxin induction in mouse peritoneal macrophages has been studied. Three of these compounds inhibited nitrite and PGE2 accumulation in a concentration dependent-manner at microM range. None of these active compounds affected iNOS, COX-2,...

journal_title：Life sciences

authors： Vidal A,Ferrándiz ML,Ubeda A,Guillén I,Riguera R,Quintela JM,Peinador C,Moreira MJ,Alcaraz MJ

更新日期：2000-01-21 00:00:00

abstract：AIMS:The aim of this study is to determine whether Nkx2.5 transfection of transplanted bone marrow mesenchymal stem cells (MSCs) improves the efficacy of treatment of adriamycin-induced heart failure in a rat model. MAIN METHODS:Nkx2.5 was transfected in MSCs by lentiviral vector transduction. The expressions of Nkx2....

journal_title：Life sciences

authors： Deng B,Wang JX,Hu XX,Duan P,Wang L,Li Y,Zhu QL

更新日期：2017-08-01 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：:Psoriasis is an inflammatory skin disease with preference for the skin and joints that occurs due to hyper-proliferation and abnormal apoptosis of keratinocytes. DUSP1 expression in dermal mesenchymal stem cells (MSCs) is obviously lower in psoriasis patients than that in healthy individuals. The present study aimed t...

journal_title：Life sciences

authors： Yang J,Sun L,Han J,Zheng W,Peng W

更新日期：2019-04-15 00:00:00

abstract：:The binding of the D2-like agonists, (+)-7-hydroxy-N,N-di-n-[3H]propyl-2-aminotetralin (7-OH-DPAT) and [3H]pramipexole (2-amino-4,5,6-tetrahydro-6-propylaminobenzthiazole; MIRAPEX) were determined in membranes from adult male Sprague-Dawley and Fischer-344 rats. Saturation analysis, which optimized binding to D3 recep...

journal_title：Life sciences

authors： Wallace DR,Owens J,Booze RM

更新日期：1998-01-01 00:00:00

abstract：:The activity in cerebrospinal fluid (CSF) of dynorphin-converting enzyme (DCE) has been studied after voluntary exercise in the spontaneously hypertensive (SH) rat. The exercise consisted of spontaneous running in wheels for 4-5 weeks and the average running distance during the last two weeks was 4.0 km/24h. CSF sampl...

journal_title：Life sciences

authors： Persson S,Jónsdóttir I,Thorén P,Post C,Nyberg F,Hoffmann P

更新日期：1993-01-01 00:00:00

abstract：:The impact of low level lead exposure on human central nervous system function is a major public health concern. This study addresses the inhibition of the cation pump enzyme Na, K-ATPase by low level lead. Human brain tissue was obtained at autopsy and frozen until use. Brain homogenates were preincubated with PbCl2 ...

journal_title：Life sciences

authors： Bertoni JM,Sprenkle PM

更新日期：1991-01-01 00:00:00

abstract：:Previous behavioral studies on triazolam (TZ), which are small in number, could only speculate about tolerance to the anxiolytic effect of TZ, as the experiments did not cover sufficient time (of 4 to 7 days) for tolerance to develop. Therefore longer time for chronic TZ administration is used. We investigated the eff...

journal_title：Life sciences

authors： Aburawi SM,Elhwuegi AS,Ahmed SS,Saad SF,Attia AS

更新日期：2003-10-31 00:00:00

abstract：:Respiring mitochondria represent the major source of superoxide production in most cells, and superoxide anions function as direct precursors of hydrogen peroxide formation within mitochondria. We use a lucigenen-derived chemiluminescence (LDCL) assay to test the hypothesis that intramitochondrial superoxide productio...

journal_title：Life sciences

authors： Capone G,Kim P,Jovanovich S,Payne L,Freund L,Welch K,Miller E,Trush M

更新日期：2002-05-03 00:00:00

abstract：:Epinephrine (E) infusions raise blood pressure and there is an excess incidence of hypertension among males and blacks. However, reports of E levels by ethnicity, gender, and blood pressure status are inconsistent. Insensitive assays, variability in plasma E levels within individuals, and the small size of most studie...

journal_title：Life sciences

authors： González-Trápaga JL,Nelesen RA,Dimsdale JE,Mills PJ,Kennedy B,Parmer RJ,Ziegler MG

更新日期：2000-05-05 00:00:00

abstract：:The renal hemodynamic and tubular effects of ANF were investigated using the Sperber technique in chickens. This technique takes advantage of the unique portal circulation of the avian kidney and permits direct access to the renal peritubular space independent of renal arterial blood flow and glomerular filtration. In...

journal_title：Life sciences

authors： Springate JE,Fildes RD,Hong SK,Feld LG,Acara M

更新日期：1987-03-09 00:00:00

abstract：AIMS:Osteoblasts and adipocytes originate from common precursor cells. We examined the effects of bone morphogenetic protein-2 (BMP-2) on the molecular mechanisms governing the diametric actions of BMP-2 on simultaneous mature osteoblast and adipocyte differentiation in a clonal mesenchymal progenitor cell line, ROB-C2...

journal_title：Life sciences

authors： Kato S,Kawabata N,Suzuki N,Ohmura M,Takagi M

更新日期：2009-02-27 00:00:00

abstract：AIMS:RNA regulatory genes were closely associated with tumorigenesis and prognosis in multiple tumors. Copy number variation (CNV) is a frequent characteristic in soft tissue sarcomas (STS). However, little is known regarding their possible roles in STS. MAIN METHODS:RNA sequence profiles and CNV data of 255 STS patie...

journal_title：Life sciences

authors： Wang X,Han Y,Li J,Hong D,Xue Z,Huang H,Du Z,Hou Y,Li H,Li H,Liao H,Xie X,Ding C

更新日期：2021-01-15 00:00:00

abstract：:Neuroblastoma x glioma hybrid cells NG 108-15 were chronically treated with opioid agonists and tested for their development of "tolerance" as evaluated by the loss of inhibitory activity of opioids upon cAMP-accumulation. Desensitization was dose-dependent and non-competitive and highly selective, since the activity ...

journal_title：Life sciences

authors： Wüster M,Costa T,Gramsch C

更新日期：1983-01-01 00:00:00

abstract：AIMS:Enhancing myogenesis has been identified as a possible target to improve insulin sensitivity and protect against metabolic diseases. Catalpol, an iridoid glycoside, has been shown to exert a hypoglycaemic effect by improvement of insulin sensitivity; however, the underlying mechanism remains unknown. In this study...

journal_title：Life sciences

authors： Xu D,Wang L,Jiang Z,Zhao G,Hassan HM,Sun L,Fan S,Zhou Z,Zhang L,Wang T

更新日期：2018-09-15 00:00:00

abstract：:In a series of in vitro experiments we characterised the relationship between DNA distribution in the G1, S and G2/M phases of cell cycle and PDE and GST activity in CaCo-2 cells. The DNA distribution in CaCo-2 cells, was assessed by flow cytometry, with fluorescent dyes at different time points of culture. The expone...

journal_title：Life sciences

authors： Savini F,Berardi S,Tatone D,Spoto G

更新日期：1995-01-01 00:00:00

abstract：:Since moderate hyperhomocysteinemia is an independent risk factor for vascular disease by mean of its oxidant effect and glutathione plays a main role as intracellular redox-regulating agent, we have studied for the first time the total intracellular content of homocysteine in aging. Plasma homocysteine concentration,...

journal_title：Life sciences

authors： Hernanz A,Fernández-Vivancos E,Montiel C,Vazquez JJ,Arnalich F

更新日期：2000-08-04 00:00:00

abstract：:Endothelin is a vasoconstrictor peptide which has recently been isolated and sequenced from the vascular endothelial cells. It was reported to increase blood pressure in vivo and produce a prolonged contraction with a slow onset in vitro. The purpose of this study was to investigate whether endothelin can lower the po...

journal_title：Life sciences

authors： Yang MC,Yu PC,Tu MS,Lay CS,Hong CY,Chou CK,Chen CF,Kuo JS

更新日期：1990-01-01 00:00:00

abstract：:The hypothalamic AMP-activated protein kinase (AMPK)/acetyl-CoA carboxylase (ACC) pathway is known to play an important role in the control of food intake and energy expenditure. Here, we hypothesize that citrate, an intermediate metabolite, activates hypothalamic ACC and is involved in the control of energy mobilizat...

journal_title：Life sciences

authors： Cesquini M,Stoppa GR,Prada PO,Torsoni AS,Romanatto T,Souza A,Saad MJ,Velloso LA,Torsoni MA

更新日期：2008-06-20 00:00:00