Chronic early leucine administration induces behavioral deficits in rats.

abstract：:Extracts of brain and heart from rats at birth and postnatal days 2 and 10 were evaluated for naltrexone following maternal injection of 50 mg/kg opioid antagonist throughout gestation. Samples were prepared by ultrafiltration, lyophilized, reconstituted in mobile phase, and separated by reversed-phase high performanc...

journal_title：Life sciences

authors： Zagon IS,Hurst WJ,McLaughlin PJ

更新日期：1998-01-01 00:00:00

abstract：:Secreted frizzled-related protein 5 (Sfrp5) primarily acts in combination with wingless-type family member 5a (Wnt5a), to inhibits chronic inflammation and repress atherosclerosis and other metabolic disorders. Epicardial adipose tissue (EAT), surrounding the heart and coronary arteries, has been found to be highly re...

journal_title：Life sciences

authors： Tong S,Du Y,Ji Q,Dong R,Cao J,Wang Z,Li W,Zeng M,Chen H,Zhu X,Zhou Y

更新日期：2020-03-15 00:00:00

abstract：:When s-triazolo[3,4-a]phthalazine (Tri-P) was orally administered in rats, a more lipophilic metabolite M-1 than the parent compound was isolated from the urine. The metabolite M-1 was identified as 7-methylthio Tri-P by means of high resolution MS and two-dimensional NMR spectrometry. Furthermore, the 7-methylthio co...

journal_title：Life sciences

authors： Imamura Y,Noda A,Imamura T,Ono Y,Okawara T,Noda H

更新日期：2003-11-21 00:00:00

abstract：AIMS:Data suggest pharmacological treatment of depression with selective serotonin reuptake inhibitors (SSRI) may impair bone health. Our group has previously modeled compromised craniofacial healing after treatment with sertraline, a commonly prescribed SSRI, and hypothesized potential culprits: alterations in bone ce...

journal_title：Life sciences

authors： Durham E,Zhang Y,LaRue A,Bradshaw A,Cray J

更新日期：2020-08-15 00:00:00

abstract：:The pure estrogen antagonist ICI-182780, at doses above 50 micrograms/kg, effectively inhibited the initiation of embryo implantation in rats when administered on day 4 of pregnancy (day 1 = sperm positive). The same dose inhibited the implantation initiating effect of intravenous 25 ng of estradiol-17 beta in delayed...

journal_title：Life sciences

authors： Chatterjee S,Johnson DC

更新日期：1993-01-01 00:00:00

abstract：:The plasma concentration of the dopamine (DA) metabolite, homovanillic acid (HVA), is used as an indicator of central nervous system dopaminergic activity. Using percutaneously inserted catheters we were able to obtain blood samples simultaneously from the right and left internal jugular veins. Veno-arterial HVA plasm...

journal_title：Life sciences

authors： Lambert GW,Eisenhofer G,Cox HS,Horne M,Kalff V,Kelly M,Jennings GL,Esler MD

更新日期：1991-01-01 00:00:00

abstract：:The objective of this study was to investigate whether age induces changes on vasodilator response induced by cromakalim, an ATP-sensitive K+ (K(ATP)) channel opener, as well as the underlying mechanism involved in this possible alteration. For this purpose, aortic segments from young (3-5 months) and old (3 years) ra...

journal_title：Life sciences

authors： Ferrer M,Tejera N,Marín J,Balfagón G

更新日期：1998-01-01 00:00:00

abstract：:An in vivo antisense strategy was used to examine the involvement of G-protein subunits in supraspinal (intracerebroventricular; i.c.v.) alpha2-adrenoceptor-mediated antinociception. Mice that were injected with 33-mer antisense oligodeoxyribonucleotides (6 nmol) or vehicle were tested (tail-flick) with an agonist (cl...

journal_title：Life sciences

authors： Raffa RB,Connelly CD,Chambers JR,Stone DJ

更新日期：1996-01-01 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：:We found that platelet-activating factor (PAF) stimulated the production of prostaglandin (PG) E2 in MC3T3-E1 cells in a time- and dose-dependent manner. 1.0 microM PAF gave a maximal stimulation of PGE2 production by MC3T3-E1 cells after a 4 hr PAF-treatment. Furthermore, the PAF-induced PGE2 production was abolished...

journal_title：Life sciences

authors： Shibata Y,Ogura N,Moriya Y,Abiko Y,Izumi H,Takiguchi H

更新日期：1991-01-01 00:00:00

abstract：AIMS:The mechanisms underlying the changes in blood-brain barrier (BBB) integrity and the generation of seizures in childhood associated with preexisting brain lesions like cortical dysplasia (CD) are poorly understood. We investigated the effects of levetiracetam (LEV) on BBB integrity and the survival during hyperthe...

journal_title：Life sciences

authors： Ahishali B,Kaya M,Orhan N,Arican N,Ekizoglu O,Elmas I,Kucuk M,Kemikler G,Kalayci R,Gurses C

更新日期：2010-11-20 00:00:00

abstract：:Using a laterality questionnaire, 138 normal healthy individuals were classified as right-sided and 25 as non-right sided. Interleukin-2 (IL-2) was generated from whole blood obtained from these subjects using mitogen (PHA) stimulation. IL-2 was quantitated in picograms/ml using an enzyme immunoassay (ELISA). Addition...

journal_title：Life sciences

authors： Chengappa KN,Ganguli R,Yang ZW,Schurin G,Cochran J,Brar JS,Rabin B

更新日期：1992-01-01 00:00:00

abstract：:Activation of GABA(B) receptors produces analgesia in acute and chronic pain models. Data indicate that a possible mechanism for this effect is a GABA(B) receptor-induced blockade of neurokinin-1 (NK-1) receptor gene expression in the spinal cord. While much more potent GABA(B) receptor agonists (CGP 44532) have been ...

journal_title：Life sciences

authors： Enna SJ,Harstad EB,McCarson KE

更新日期：1998-01-01 00:00:00

abstract：:Icariin (ICA), a flavonol glycoside isolated from Epimedium, has been considered as a potential alternative therapy for ischemic stroke. However, the protective mechanisms of ICA on cerebral ischemia-reperfusion (I/R) are not fully illuminated yet. The effects of ICA on ER stress and inflammatory response which were i...

journal_title：Life sciences

authors： Mo ZT,Liao YL,Zheng J,Li WN

更新日期：2020-08-15 00:00:00

abstract：:Neuropathic pain syndromes respond poorly to opioid treatment. In our previous studies, we found that intrathecal (i.t.) injection of pertussis toxin (PTX) produces thermal hyperalgesia, which is poorly responsive to morphine and is accompanied by an increase in cerebrospinal fluid (CSF) levels of excitatory amino aci...

journal_title：Life sciences

authors： Wu GJ,Wen ZH,Chang YC,Yang SN,Tao PL,Wong CS

更新日期：2006-03-13 00:00:00

abstract：:The hypothermia induced by apomorphine, a mixed dopamine (DA) agonist in male Swiss-Webster mice, was not blocked by the selective D-1 antagonist SCH 23390 but was completely blocked by the selective D-2 antagonists haloperidol, sulpiride and YM-09151-2. The selective D-1 agonist SKF 38393 did not elicit hypothermic r...

journal_title：Life sciences

authors： Menon MK,Gordon LI,Kodama CK,Fitten J

更新日期：1988-01-01 00:00:00

abstract：:Protein phosphorylation is a key posttranslational modification mechanism controlling the conformation and activity of many proteins. Increasing evidence has implicated an essential role of phosphorylation by several major protein kinases in promoting and maintaining opioid tolerance. We review some of the most recent...

journal_title：Life sciences

authors： Wang ZJ,Wang LX

更新日期：2006-09-27 00:00:00

abstract：AIMS:The aim of the present study was to investigate the protective effects of AGK2 as a selective SIRT2 inhibitor on thioacetamide (TAA)-induced acute liver failure (ALF) in mice and its potential mechanism. MAIN METHODS:All male C57BL/6 mice were separated into control, TAA, AGK2 + TAA, and AGK2 groups. The histolog...

journal_title：Life sciences

authors： Jiao FZ,Wang Y,Zhang WB,Zhang HY,Chen Q,Shi CX,Wang LW,Gong ZJ

更新日期：2019-08-01 00:00:00

abstract：:Imidazole (IMI) (from 18.7 to 300 mg/Kg) i.p. injected in adult rats induced shaking, which was antagonized by both morphine (MOR) and haloperidol (HALO) but not by methysergide (MET). I.p. IMI pretreatment inhibited the penile erections (PE) and stretching and yawning (SY) typically elicited by N-n-propylnorapomorphi...

journal_title：Life sciences

authors： Francesca F,Baggio G

更新日期：1985-04-08 00:00:00

abstract：:There is now some evidence that i) the availability of plasma tryptophan, the precursor of serotonin, is significantly lower in pregnant women at the end of term and the first few days after delivery than in nonpregnant women; and ii) both pregnancy and the early puerperium are accompanied by activation of the inflamm...

journal_title：Life sciences

authors： Maes M,Verkerk R,Bonaccorso S,Ombelet W,Bosmans E,Scharpé S

更新日期：2002-09-06 00:00:00

abstract：:It has been suggested that the myocardial production of nitric oxide, as a consequence of expression of the inducible isoform of nitric oxide synthase (NOS), plays an important role in the pathophysiology of heart failure. We determined the net cardiac production of nitrogen oxides (NOx), as a measure of NOS activity,...

journal_title：Life sciences

authors： Kaye DM,Chin-Dusting J,Esler MD,Jennings GL

更新日期：1998-01-01 00:00:00

abstract：:The pineal gland hormone melatonin is now considered an important neuroendocrine component of animal physiology. Although the functional status of melatonin has been well described for subhuman species, there is a paucity of data concerning the physiological role of this hormone in man. This paucity of data has much t...

journal_title：Life sciences

authors： Miles A

更新日期：1989-01-01 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：:Basic fibroblast growth factor (bFGF) has a neurotrophic effect both in vitro and in vivo, and is considered to play an important role in the maintenance of neuronal functions in the normal brain. Neural damage in brain contusion progresses after the primary injury of trauma because of cerebral hemodynamic and metabol...

journal_title：Life sciences

authors： Iwamoto Y,Yamaki T,Murakami N,Sugawa N,Yoshino E,Ueda S,Nosaka K,Nishino H,Iwashima A

更新日期：1994-01-01 00:00:00

abstract：:Short-chain fatty acids (SCFA) are produced by fermentation of water-soluble fiber by anaerobic bacteria in the large bowel. Fiber-rich diets decrease the risk of developing inflammatory bowel disease (IBD) and butyrate enemas are effective as a therapy in some patients. Crohn's disease, one form of IBD, appears to in...

journal_title：Life sciences

authors： Cavaglieri CR,Nishiyama A,Fernandes LC,Curi R,Miles EA,Calder PC

更新日期：2003-08-15 00:00:00

abstract：:Synthetic nitric oxide donors are known to protect the gastric mucosa from damage and dietary nitrate is known to release NO in the stomach. Mast cells have been found to be involved in gastric mucosal damage in humans or in rodents, and recent studies have pointed out the possibility of nitric oxide from endogenous o...

journal_title：Life sciences

authors： Larauche M,Buéno L,Fioramonti J

更新日期：2003-08-08 00:00:00

abstract：:The effect on thermonociceptive threshold of intrathecally (i.t.) administered angiotensin II (Ang II) was assessed in the rat tail-flick test. Rats were pretreated, 15 min earlier, with i.t. naloxone (opiate antagonist), losartan (Ang II selective antagonist at AT1 receptor) or [Sar1, Leu8] Ang II (non selective Ang ...

journal_title：Life sciences

authors： Toma N,Sgambato V,Couture R

更新日期：1997-01-01 00:00:00

abstract：:In this study, we have focused our investigation of the facts whether co-administration of a NMDA antagonist dextromethorphan (DM) with morphine during pregnancy and throughout lactation could prevent the adverse effects associated with chronic morphine administration in rat offspring. Adult female Sprague-Dawley rats...

journal_title：Life sciences

authors： Tao PL,Yeh GC,Su CH,Wu YH

更新日期：2001-10-05 00:00:00

abstract：:In the field of estrogen therapy breast cancer risk is one of the most controversially discussed topic. Actually, the as yet largest placebo-controlled study, the Women's Health Initiative, rather showed a risk reduction, in contrast to observational studies. In the present study we have investigated the effect of est...

journal_title：Life sciences

authors： Seeger H,Wallwiener D,Mueck AO

更新日期：2006-02-23 00:00:00

abstract：:Alteration in microbial populations and metabolism are key events associated with disruption of intestinal homeostasis and immune tolerance during intestinal inflammation. A substantial imbalance in bacterial populations in the intestine and their relationships with the host have been observed in patients with inflamm...

journal_title：Life sciences

authors： Figliuolo VR,Coutinho-Silva R,Coutinho CMLM

更新日期：2018-12-15 00:00:00