Malic enzyme response to triiodothyronine in the brain of neonatal rats.

abstract：:This study examined the effect of nitric oxide (NO) on the cytosolic free Ca(2+) concentration ([Ca(2+)](c)) of alpha-cells isolated from rat pancreatic islets. When extracellular glucose was reduced from 7 to 0 mM, about half of the alpha-cells displayed [Ca(2+)](c) oscillations. Nicardipine, a Ca(2+) channel blocker...

journal_title：Life sciences

authors： Sugino F,Ishikawa T,Nakada S,Kaneko Y,Yamamoto Y,Nakayama K

更新日期：2002-05-24 00:00:00

abstract：:In critically ill patients various conditions may lead to the activation of poly(ADP-ribose) polymerase (PARP). By promoting cellular energetic dysfunction, and by enhancing pro-inflammatory gene expression, PARP activation significantly contributes to the pathogenesis of shock. PARP activation is usually triggered by...

journal_title：Life sciences

authors： Horváth EM,Benko R,Gero D,Kiss L,Szabó C

更新日期：2008-01-16 00:00:00

abstract：:The purpose of this study was to evaluate the induction of oxidative stress in heart and erythrocytes from rats with abdominal aorta coarctation (Coa) compared with sham-operated normotensive controls (Sham). The group of Coa animals developed myocardial hypertrophy, showing heart homogenates markedly increased levels...

journal_title：Life sciences

authors： Polizio AH,Gorzalczany S,Taira C,Peña C

更新日期：2006-07-04 00:00:00

abstract：:There is some evidence that cardiac rather than circulating insulin-like growth factor-1 (IGF-1) levels contribute to the development of renovascular hypertensive left ventricular hypertrophy (LVH), remaining unknown the effects of antihypertensive drugs on IGF-1 levels. We have assessed here the preventive effects of...

journal_title：Life sciences

authors： Jalil JE,Ebensperger R,Meléndez J,Acevedo E,Sapag-Hagar M,González-Jara F,Gálvez A,Pérez-Montes V,Lavandero S

更新日期：1999-01-01 00:00:00

abstract：AIM:The aim of this study was to investigate the effect of protolichesterinic acid, a lichen secondary metabolite, on anti-proliferative activity of doxorubicin in three human cancer cell lines, HeLa, SH-SY5Y and K562 cells. MAIN METHODS:The data obtained from MTT assays, performed on cells treated with protolichester...

journal_title：Life sciences

authors： Brisdelli F,Perilli M,Sellitri D,Bellio P,Bozzi A,Amicosante G,Nicoletti M,Piovano M,Celenza G

更新日期：2016-08-01 00:00:00

abstract：:The intracellular ionic content of human erythrocytes may be altered by hyperglycaemia. Despite this, very little is known about the cellular mechanisms linking glucose and cellular magnesium homeostasis. We measured intracellular ionized magnesium in human lymphocytes, by means of a fluorimetric technique, total intr...

journal_title：Life sciences

authors： Delva P,Degan M,Pastori C,Faccini G,Lechi A

更新日期：2002-09-20 00:00:00

abstract：:Despite the fact that numerous studies have been published regarding the possible presence in plasma of an endogenous Na-K pump inhibitor with a digitalis-like structure in essential hypertension, very little is known about this factor in heart disease in general, and in situations characterized by low cardiac output....

journal_title：Life sciences

authors： Delva P,Barbieri E,Devynck MA,Capra C,Pernollet MA,Meyer P,Destro G,Zardini P,Lechi A

更新日期：1990-01-01 00:00:00

abstract：:An animal model of haloperidol-induced tardive dyskinesia was studied in relation to the dietary manipulation of tryptophan and its effect on the movement disorder. This study showed a significant negative behavioral response to the neuroleptic drug, haloperidol. Increased dietary tryptophan (1.0 vs. 0.3%) significant...

journal_title：Life sciences

authors： Kozell L,Sandyk R,Wagner GC,Fisher H

更新日期：1987-10-05 00:00:00

abstract：:The antinociceptive and temperature responses to morphine were compared in male and female rats from two different strains. Males of both the Sprague-Dawley and Wistar-Furth strains were slightly more responsive to the acute actions of morphine than were females of the same strain. However, Wistar-Furth animals requir...

journal_title：Life sciences

authors： Kasson BG,George R

更新日期：1984-04-23 00:00:00

abstract：:Proteinaceous inhibitors with high inhibitory activities against human neutrophil elastase (HNE) were found in seeds of the Tamarind tree (Tamarindus indica). A serine proteinase inhibitor denoted PG50 was purified using ammonium sulphate and acetone precipitation followed by Sephacryl S-300 and Sephadex G-50 gel filt...

journal_title：Life sciences

authors： Fook JM,Macedo LL,Moura GE,Teixeira FM,Oliveira AS,Queiroz AF,Sales MP

更新日期：2005-05-06 00:00:00

abstract：:Hemin (ferriprotoporphyrin IX-chloride) can mediate the covalent cross-linking and degradation of yeast glutathione reductase. This reaction requires both NADPH and oxygen suggesting the involvement of a reduced oxygen species in the cross-linking and degradation process. During the course of the reaction the enzymati...

journal_title：Life sciences

authors： Aft RL,Mueller GC

更新日期：1985-06-03 00:00:00

abstract：:The beta-endorphin, met5-enkephalin-arg6-phe7 (MEAP) and met5-enkephalin (ME) changes related to age and diurnal rhythms were studied in various regions of rat brain and in the pituitary by specific radioimmunoassays. The contents of MEAP, met5-enkephalin and beta-endorphin were higher in the pituitary of old rats (18...

journal_title：Life sciences

authors： Tang F,Tang J,Chou J,Costa E

更新日期：1984-08-27 00:00:00

abstract：:The relative efficiencies of microdialysis probes were determined both in vitro and in vivo using tritiated water. Tritiated water (THO) freely distributes throughout the fluid spaces of an experimental animal and, at equilibrium, the brain extracellular concentration of THO is the same as the plasma concentration. Mi...

journal_title：Life sciences

authors： Alexander GM,Grothusen JR,Schwartzman RJ

更新日期：1988-01-01 00:00:00

abstract：:We conducted a study to determine whether angiotensin converting enzyme inhibitors (ACEIs) inhibit endothelin secretion from cultured human endothelial cells. Confluent umbilical vein endothelial cells were incubated in multi-well plates with culture medium containing either captopril (10(-6), 10(-5), 10(-4) M) or ena...

journal_title：Life sciences

authors： Yoshida H,Nakamura M

更新日期：1992-01-01 00:00:00

abstract：:The prokaryotic CRISPR-Cas systems could be applied as revolutionized genome editing tool in live cells of various species to modify, visualize and identify definite sequences of DNA and RNA. CRISPR-Cas could edit the genome by homology-directed repair and non-homologous end joining mechanisms. Furthermore, DNA-target...

journal_title：Life sciences

authors： Ghaemi A,Bagheri E,Abnous K,Taghdisi SM,Ramezani M,Alibolandi M

更新日期：2021-02-15 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：:This study was essentially an in vivo protection experiment designed to test further the hypothesis that stress induces release of endogenous opioids which then act at opioid receptors. Rats that were either subjected to restraint stress for 1 hr or unstressed were injected ICV with either saline or 2.5 micrograms of ...

journal_title：Life sciences

authors： Adams JU,Andrews JS,Hiller JM,Simon EJ,Holtzman SG

更新日期：1987-12-28 00:00:00

abstract：:Hypertension is closely associated with vascular endothelial dysfunction. The aim of this study was to investigate the effects of Angiotensin II (ANG II) receptor antagonist losartan on the blood-brain barrier (BBB) permeability in L-NAME-induced hypertension and/or in ANG II-induced acute hypertension in normotensive...

journal_title：Life sciences

authors： Kucuk M,Kaya M,Kalayci R,Cimen V,Kudat H,Arican N,Elmas I,Korkut F

更新日期：2002-07-12 00:00:00

abstract：:The opiate antagonist naloxone was found to block nitrous oxide analgesia in a stereospecific fashion. Using a modified hotplate test in mice, the (-)-enantiomer of naloxone (which has a KD of approximately 1 nM for opiate receptors) antagonized the analgesic actions of nitrous oxide in a dose-dependent (2.5-20 mg/kg)...

journal_title：Life sciences

authors： Moody EJ,Mattson M,Newman AH,Rice KC,Skolnick P

更新日期：1989-01-01 00:00:00

abstract：:The nephrotic syndrome is a renal disease characterized by proteinuria, hypoproteinemia, edema and hyperlipidemia. It has been reported that female nephrotic rats are characterized by loss of the oestrus cycle, follicle atresia, low gonadotropin and steroid concentrations; particularly, undetectable estradiol levels. ...

journal_title：Life sciences

authors： Peña-Rico M,Guadalupe Ortiz-López M,Camacho-Castillo L,Cárdenas M,Pedraza-Chaverri J,Menjívar M

更新日期：2006-07-10 00:00:00

abstract：:Extracts of Hypericum perforatum (St. John's wort) have antidepressant properties in depressed patients and exert antidepressant-like action in laboratory animals. The phloroglucinol derivative hyperforin has become a topic of interest, as this Hypericum component is a potent inhibitor of monoamines reuptake. The mole...

journal_title：Life sciences

authors： Roz N,Rehavi M

更新日期：2003-06-13 00:00:00

abstract：AIMS:Doxorubicin is a widely used anthracycline derivative anticancer drug. Unfortunately, the clinical use of doxorubicin has the serious drawback of cardiotoxicity. In this study, we investigated whether baicalein, a bioflavonoid, can prevent doxorubicin-induced cardiotoxicity in vivo and we delineated the possible u...

journal_title：Life sciences

authors： Sahu BD,Kumar JM,Kuncha M,Borkar RM,Srinivas R,Sistla R

更新日期：2016-01-01 00:00:00

abstract：:Progesterone's (P) actions in the ventral medial hypothalamus (VMH) and the ventral tegmental area (VTA) are essential for sexual receptivity in hamsters. This study investigates the notion that P works in the VTA in the absence of intracellular P receptors (PRs) by 5 alpha-reduction to progestins, which would subsequ...

journal_title：Life sciences

authors： Frye CA,Leadbetter EA

更新日期：1994-01-01 00:00:00

abstract：:After their discovery, the two known cannabinoid receptors, CB(1) and CB(2), have been the focus of research into the cellular signalling mechanisms of cannabinoids. The initial assessment, mainly derived from expression studies, was that cannabinoids, via G(i/o) proteins, negatively modulate cyclic AMP levels, and ac...

journal_title：Life sciences

authors： Demuth DG,Molleman A

更新日期：2006-01-02 00:00:00

abstract：AIMS:Thrombin is a serine proteinase that is not only involved in coagulation cascade, but also mediates a number of biological responses relevant to tissues repair, and induces bronchoconstriction. TGF-β plays a pivotal role in airway remodeling due to its effects on airway smooth muscle proliferation and extracellula...

journal_title：Life sciences

authors： Yao ZH,Xie HJ,Yuan YL,Huo YT,Cao J,Lai WY,Cai RJ,Cheng YX

更新日期：2018-03-15 00:00:00

abstract：AIMS:Systemic administration of opiate analgesics such as morphine remains the most effective treatment for alleviating severe pain across a range of conditions including acute pain. However, chronic or repeated administration of opiate analgesics results in the development of analgesic tolerance. Glial cells such as m...

journal_title：Life sciences

authors： Harada S,Nakamoto K,Tokuyama S

更新日期：2013-10-11 00:00:00

abstract：:Recent evidence suggests that the Type 1 opiate receptor (in rat striatal patches) is a mobile receptor which is able to adopt a mu, delta, or kappa opiate receptor ligand selectivity pattern under appropriate conditions. In this paper, we have investigated such a possibility for Type 2 opiate receptors which are visu...

journal_title：Life sciences

authors： Olgiati V,Quirion R,Bowen WD,Pert CB

更新日期：1982-10-18 00:00:00

abstract：:Cordyceps sinensis (C. sinensis) is one of the well known fungi used in traditional Chinese medicine for treatment asthma and bronchial and lung inflammation. In this study, effects of C. sinensis methanolic extracts on bronchoalveolar lavage fluids (BALF) cells proliferation, inflammatory cytokines production, and ge...

journal_title：Life sciences

authors： Kuo YC,Tsai WJ,Wang JY,Chang SC,Lin CY,Shiao MS

更新日期：2001-01-19 00:00:00

abstract：AIMS:Transforming growth factor-β1 (TGF-β1) plays a significant role in epithelial-mesenchymal transition (EMT). Furthermore, endoplasmic reticulum (ER) stress also can induce EMT. However, the relationship among TGF-β1, ER stress and EMT in podocytes is still unclear. Consequently, this study examines the crosstalk ef...

journal_title：Life sciences

authors： Chen CA,Chang JM,Chang EE,Chen HC,Yang YL

更新日期：2018-09-15 00:00:00

abstract：AIM:To evaluate the therapeutic efficacy of hypoxic cell-sensitizer Sanazole (SAN) -directed targeting of cytotoxic drug Berberine (BBN) and Iron-oxide nanoparticle (NP) complexes, to solid tumor in Swiss albino mice. MAIN METHODS:NP-BBN-SAN complexes were characterized by FTIR, XRD, TEM and Nano-size analyzer. This c...

journal_title：Life sciences

authors： Sreeja S,Krishnan Nair CK

更新日期：2018-02-15 00:00:00