The dependence of airway smooth muscle on extracellular Ca2+ for contraction is influenced by the presence of cartilage.

abstract：:Gloriosaols A-C, isolated from Yucca gloriosa (Agavaceae), are novel phenolic compounds structurally related to resveratrol. In the present study, we show that gloriosaols possess antiproliferative and pro-apoptotic activity on tumor cells of different histogenetic origin and that their cell growth inhibition potentia...

journal_title：Life sciences

authors： Nigro P,Bloise E,Turco MC,Skhirtladze A,Montoro P,Pizza C,Piacente S,Belisario MA

更新日期：2007-08-23 00:00:00

abstract：:The endocannabinoids are endogenous agonists of the cannabinoid receptors and some members of the transient receptor potential, vanilloid type (TRPV), family of cation channels. Endocannabinoids along with their target receptors comprise a signaling system that is not well characterized. There have been many advances ...

journal_title：Life sciences

authors： McFarland MJ,Barker EL

更新日期：2005-08-19 00:00:00

abstract：:Peroxisome-proliferator activated receptor-gamma (PPARgamma) has been demonstrated to exert an inhibitory effect on cell growth in most cell types studied, but its role in colon cancer is still uncertain. The molecular mechanism between the activation of PPARgamma and its consequence is unknown. In the present report,...

journal_title：Life sciences

authors： Chen GG,Lee JF,Wang SH,Chan UP,Ip PC,Lau WY

更新日期：2002-04-19 00:00:00

abstract：:Histidine-rich glycoprotein (HRG) is a serum protein with possible pluripotent activities. In this study, a method for the quantification of rabbit histidine-rich glycoprotein (rHRG) was developed based upon the high affinity binding profile of rHRG to nickel-nitrilotriacetic acid (Ni-NTA), an improved chelation agent...

journal_title：Life sciences

authors： Mori S,Takahashi HK,Yamaoka K,Okamoto M,Nishibori M

更新日期：2003-05-23 00:00:00

abstract：:The effect of moxisylyte hydrochloride on isolated human penile corpus cavernosum tissue was investigated and compared with other a-adrenergic antagonists. Moxisylyte produced a concentration-dependent relaxation of a norepinephrine-induced (1 x 10(-5) M) contraction of the corpus cavernosum tissue. Pretreatment with ...

journal_title：Life sciences

authors： Imagawa A,Kimura K,Kawanishi Y,Tamura M

更新日期：1989-01-01 00:00:00

abstract：:Uncoupling proteins are a family of mitochondrial proteins involved in energy metabolism. We previously showed that uncoupling protein 4 (UCP4) is differentially expressed in omental adipose tissue in diet-induced obese and normal rats. However, the effect of UCP4 on adipocytes is unclear. In this work, we established...

journal_title：Life sciences

authors： Zhang M,Wang B,Ni YH,Liu F,Fei L,Pan XQ,Guo M,Chen RH,Guo XR

更新日期：2006-09-05 00:00:00

abstract：:Although exposure to broad band (0.2-20 MHz) electromagnetic fields (EMF) is part of the treatment of several diseases, little is known as to their effects on myocardial protein expression and resistance to ischemia-reperfusion (I/R). We exposed Sprague-Dawley rats to either high (H, 10 min/day at 200 V/m, 36.1 microT...

journal_title：Life sciences

authors： Ronchi R,Marano L,Braidotti P,Bianciardi P,Calamia M,Fiorentini C,Samaja M

更新日期：2004-09-03 00:00:00

abstract：:The object of this study was to develop an assay for platelet activating factor (PAF) in rat plasma, and to utilise this to determine the effects of dietary fish oil on PAF in normotensive and spontaneously hypertensive rats. Measurement of platelet activating factor in blood plasma has proved difficult because of its...

journal_title：Life sciences

authors： Croft KD,Sturm MJ,Codde JP,Vandongen R,Beilin LJ

更新日期：1986-05-19 00:00:00

abstract：:We evaluated the effects of FR901533, endothelin converting enzyme inhibitor, on development of right ventricular overload and medial thickening of pulmonary arteries in rats with monocrotaline-induced pulmonary hypertension. Pulmonary hypertension was induced by a single injection of monocrotaline (80 mg/kg). Twenty-...

journal_title：Life sciences

authors： Takahashi T,Kanda T,Inoue M,Sumino H,Kobayashi I,Iwamoto A,Nagai R

更新日期：1998-01-01 00:00:00

abstract：:To characterize the pharmacokinetics of protein-free granisetron in blood and brain we implanted microdialysis probes into the jugular vein and cerebral frontal cortex of the rat. Granisetron (3 or 6 mg/kg, i.v., n=6) was then administered, and microdialysates from blood and brain were collected from both sites and as...

journal_title：Life sciences

authors： Huang CT,Chen CF,Tsai TH

更新日期：1999-01-01 00:00:00

abstract：:Three distinct peptidyldipeptidases (exopeptidases releasing carboxyl terminal dipeptide residues) can be solubilized from nerve terminal membrane fractions from whole rat brain or striatum, and separated by ion exchange chromatography. Brain angiotensin-converting enzyme (PDP-1) cleaves Hip-His-Leu, but not 80 nM [3H...

journal_title：Life sciences

authors： Cushman DW,Gordon EM,Wang FL,Cheung HS,Tung R,Delaney NG

更新日期：1983-01-01 00:00:00

abstract：:In a partially depolarized guinea pig papillary muscle preparation, BAY K8644 stimulated voltage-operated calcium channels, promoting slow action potentials; this effect was dose-dependent over a concentration range of 3 X 10(-7) M to 3 X 10(-6) M. Isoproterenol and histamine also induced slow action potentials by sti...

journal_title：Life sciences

authors： Mestre M,Carriot T,Néliat G,Uzan A,Renault C,Dubroeucq MC,Guérémy C,Doble A,Le Fur G

更新日期：1986-07-28 00:00:00

abstract：:Matrikines, peptides originating from the fragmentation of extracellular matrix proteins are identified to play important role in both health and disease. They possess biological activities, much different from their parent protein. Identification of such bioactive cryptic regions in the extracellular matrix proteins ...

journal_title：Life sciences

authors： Sivaraman K,Shanthi C

更新日期：2018-12-01 00:00:00

abstract：:Exposure to Cd(2+) via inhalation or intratracheal instillation results in pulmonary edema, which is followed by the influx of leukocytes, the proliferation of type II pneumocytes and eventual scarring and fibrotic changes. While the general toxic effects of Cd(2+) in the lung have been well characterized, the specifi...

journal_title：Life sciences

authors： Pearson CA,Lamar PC,Prozialeck WC

更新日期：2003-01-31 00:00:00

abstract：:Cerebroventricular perfusate (CVP) from rats subjected to endotoxic shock was infused into the lateral ventricle of the naive rat. This procedure produced a hypotensive response in the recipient rat which could be reversed by the intravenous injection of the opioid antagonist naltrexone. The degree of endotoxemic hypo...

journal_title：Life sciences

authors： Xu T,Wang T,Han JS

更新日期：1992-01-01 00:00:00

abstract：AIMS:Epigenetic and genetic alterations are crucial events in the onset and progression of human cancers including colorectal cancer (CRC). This work aims to probe the relevance of lysine demethylase 5B (KDM5B) to the progression of CRC and the possible molecules involved. MATERIALS AND METHODS:KDM5B expression in CRC...

journal_title：Life sciences

authors： Yan G,Li S,Yue M,Li C,Kang Z

更新日期：2021-01-01 00:00:00

abstract：AIMS:This study aimed to design and screen a dual functional fusion peptide that could penetrate the blood-brain barrier and target neuropilin 1 (NRP1) overexpressed in vascular endothelial cells for the anti-angiogenesis of glioma treatment. MAIN METHODS:At the cellular level, the in vitro anti-angiogenic activity of...

journal_title：Life sciences

authors： Zhao L,Chen H,Lu L,Zhao C,Malichewe CV,Wang L,Guo X,Zhang X

更新日期：2021-01-27 00:00:00

abstract：:The aim of this study was to assess the anxiolytic effect of berberine (abbrev. BER) using two experimental anxiety models in the mouse. In the black and white test of anxiety, berberine (100, 500 mg/kg) produced an increase in the first time entry, time spent in the white section, and total changes between two compar...

journal_title：Life sciences

authors： Peng WH,Wu CR,Chen CS,Chen CF,Leu ZC,Hsieh MT

更新日期：2004-10-01 00:00:00

abstract：:We evaluated whether fish oil or vitamin E administration affected ethanol-induced changes in membrane ATPases. Male Wistar rats (225-250 g) were fed, through a gastric tube a liquid diet containing fish oil (25% of calories) and ethanol for one month. Another group of animals was given supplemental vitamin E (300 u/k...

journal_title：Life sciences

authors： Nanji AA,Sadrzadeh SM

更新日期：1994-01-01 00:00:00

abstract：:Biphasic cutaneous reaction with peak response at 1 (early phase) and 24 to 48 hour (late phase) was elicited by epicutaneous challenge with antigen in actively and passively sensitized mice. Mice were actively immunized with dinitrophenylated (DNP) ascaris antigen and challenged with dinitrofluorobenzene (DNFB). Pass...

journal_title：Life sciences

authors： Sakurai T,Inagaki N,Nagai H

更新日期：1994-01-01 00:00:00

abstract：:Linear sucrose density gradient centrifugation of a crude synaptosomal-mitochondrial preparation of rat striatum was performed at 82,500g for 7.5, 15 and 30 min and 1, 4 and 20 h. After centrifugation various marker enzyme activities were measured throughout the gradients, viz. tyrosine hydroxylase (TH) and DOPA decar...

journal_title：Life sciences

authors： Van der Krogt JA,Koot-Gronsveld E,Van den Berg CJ

更新日期：1983-08-15 00:00:00

abstract：:The regulation of the production of platelet-derived growth factor (PDGF) and the influence of high glucose concentration, eicosapentaenoic acid (EPA) were studied in cultured human umbilical vein endothelial cells (HUE). The PDGF production of HUE increased markedly depending on glucose concentration. However, EPA (3...

journal_title：Life sciences

authors： Mizutani M,Okuda Y,Suzuki S,Sawada T,Soma M,Yamashita K

更新日期：1995-01-01 00:00:00

abstract：:The binding of 3H-ouabain to human erythrocytes was analyzed in a population of hospitalized male ethanol addicted patients under long term digitalis treatment. In the non-alcoholic patient group the long term digitalis treatment induced an increase in Bmax and Kd values; such modification was not observed in the alco...

journal_title：Life sciences

authors： Battaini F,Govoni S,Mauri A,Civelli L,Trabucchi M

更新日期：1987-06-29 00:00:00

abstract：:It is generally assumed that enkephalinase A, a highly thiorphan-sensitive dipeptidylcarboxypeptidase cleaving the Gly-Phe bond during enkephalin degradation, is bound to the neuronal membrane. To clarify the localization of the enzyme, we used three neuron-like models (neuroblastoma cells N1E-115, bulk prepared neuro...

journal_title：Life sciences

authors： Lentzen H,Monden I,Linke J,Palenker J

更新日期：1983-01-01 00:00:00

abstract：AIMS:Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel member of the betacoronaviruses family affecting the lower respiratory tract mainly through binding to angiotensin converting enzyme 2 (ACE2) via its S-protein. Genetic analysis of (ACE2) gene revealed several variants that have been suggested t...

journal_title：Life sciences

authors： Mohammad A,Marafie SK,Alshawaf E,Abu-Farha M,Abubaker J,Al-Mulla F

更新日期：2020-10-15 00:00:00

abstract：:Morphine sulfate and other opiate/narcotic analgesics are the most effective treatments for acute and chronic severe pain. However, their clinical utility is often hampered by the development of analgesic tolerance. This complex pathophysiological cycle contributes significantly to decreased quality of life in the gro...

journal_title：Life sciences

authors： Salvemini D,Neumann W

更新日期：2010-04-10 00:00:00

abstract：:The platelet activating factor (PAF) receptor of the guinea pig peritoneal eosinophil was characterized by radioligand ([3H]WEB 2086) binding and measurement of PAF-stimulated membrane GTPase activity. Specific binding of [3H]WEB 2086 was rapid, reversible and saturable, with an equilibrium KD of 20.4 nM at 0 degrees ...

journal_title：Life sciences

authors： Dent G,Barnes PJ

更新日期：1993-01-01 00:00:00

abstract：:Stability and distribution of orally administered epidermal growth factor (EGF) were examined in newborn and 5-day-old pigs. Forty-five minutes after oral administration of iodine-125 labeled EGF, 60 and 50% of the radioactivity administered were recovered from the internal organs in newborn and 5-day-old pigs, respec...

journal_title：Life sciences

authors： Shen WH,Xu RJ

更新日期：1998-01-01 00:00:00

abstract：:The neuropeptide substance P (SP) is a mediator of neurogenic inflammation. Also, beta-amyloid protein (beta AP) can directly activate the cell types involved in inflammatory processes. The relationship between SP and beta AP on their biological actions has attracted much interest. SP is trophic in neuronal cells and ...

journal_title：Life sciences

authors： Takenouchi T,Munekata E

更新日期：1995-01-01 00:00:00

abstract：OBJECTIVE:We aimed to explore the expression level and biological function of miR-145-5p in preeclampsia (PE). METHODS:The differentially expressed miRNA/mRNA between normal placentas and PE placentas were screened using the GSE84260 and GSE73374 datasets from the Gene Expression Omnibus Database. The expression of mi...

journal_title：Life sciences

authors： Lv Y,Lu X,Li C,Fan Y,Ji X,Long W,Meng L,Wu L,Wang L,Lv M,Ding H

更新日期：2019-12-15 00:00:00