Inhibition by N-ethylmaleimide of H(+)-ATPase reduces the cellular action of arginine vasopressin in cultured rat renal papillary collecting tubule cells.

abstract：:The potential photoaffinity ligand 14-beta-(o-nitro, p-azido)-cinnamoyl-amino-N-cyclopropylmethylnormorphinone (NAM) and its derivative NOM, lacking the p-azido function, were synthesised and their opiate receptor activity determined in isolated tissue preparations. The ligands showed slow receptor kinetics. NAM was a...

journal_title：Life sciences

authors： Peers EM,Rance MJ,Barnard EA,Haynes AS,Smith CF

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND:Mesenchymal stem cells (MSCs) are widely applied in various clinical disorders, including acute lung injury (ALI). We aimed to investigate the effects of human umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs)-derived exosomal microRNA-22-3p (miR-22-3p) on lipopolysaccharid (LPS)-induced ALI via...

journal_title：Life sciences

authors： Zheng Y,Liu J,Chen P,Lin L,Luo Y,Ma X,Lin J,Shen Y,Zhang L

更新日期：2021-01-06 00:00:00

abstract：:Arsenic as a one of the most important toxic metals could induce hepatotoxicity. Previous reports revealed the significance of oxidative stress in promoting of arsenic-induced liver toxicity. The aim of the present investigation is to evaluate the effect of chrysin (CHR), a natural flavonoid with potent antioxidant ac...

journal_title：Life sciences

authors： Fatemi I,Khalili H,Mehrzadi S,Basir Z,Malayeri A,Goudarzi M

更新日期：2021-02-15 00:00:00

abstract：AIMS:Overproduction of nitric oxide (NO) from inducible NO synthase (iNOS) plays many pivotal roles in various inflammatory diseases. In this study, we examined the effects of 6 flavonoids on lipopolysaccharide (LPS)-induced NO generation in macrophage (Mφ), and addressed molecular mechanisms of cardamonin. MAIN METHO...

journal_title：Life sciences

authors： Takahashi A,Yamamoto N,Murakami A

更新日期：2011-08-29 00:00:00

abstract：:Much evidence has gathered that nitric oxide (NO) signaling, via cGMP-dependent mechanisms, may activate pro-survival pathways in hippocampal neurons and inhibit apoptosis. Past research has revealed that the enhancement of monoaminergic neurotransmission via exercise or treatment with antidepressant medications leads...

journal_title：Life sciences

authors： Chen MJ,Russo-Neustadt AA

更新日期：2007-09-29 00:00:00

abstract：:The melanocortins are a family of bioactive peptides derived from proopiomelanocortin. Those peptides, included among hormones and comprising ACTH, alpha-MSH, beta-MSH and gamma-MSH, are best known mainly for their physiological effects, such as the control of skin pigmentation by alpha-MSH, and ACTH effects on pigmen...

journal_title：Life sciences

authors： Starowicz K,Przewłocka B

更新日期：2003-07-04 00:00:00

abstract：AIMS:Benidipine is a dihydropyridine (DHP) derived Ca2+ antagonist, can block triple Ca2+ channels (L, N, and T). It has been used as a safety anti-hypertensive drug because of its long-acting relaxant effect on vascular smooth muscle (VSM). However, whether benidipine has similar pharmacological actions in airway smoo...

journal_title：Life sciences

authors： Yang Y,Chen W,Wen N,Cai C,Liu QH,Shen J

更新日期：2019-06-15 00:00:00

abstract：:The aim of the present study was to assess the effects of peanut (Arachis hypogaea L.) shell extracts (PSE) on lipases and to evaluate its potential development for the treatment of obesity. The peanut shells were extracted in 95% ethanol, and the extracts were screened for inhibitory effects on pancreatic lipase (PL)...

journal_title：Life sciences

authors： Moreno DA,Ilic N,Poulev A,Raskin I

更新日期：2006-05-08 00:00:00

abstract：:Acetylcholine (ACh) may be an ovarian signaling molecule, since ACh is produced by non-neuronal granulosa cells (GCs) derived from the antral follicle, and likely also by their in vivo counterparts in the growing follicle. Furthermore, muscarinic ACh receptors (MR) are present in GC membranes and in cultured human GCs...

journal_title：Life sciences

authors： Kunz L,Roggors C,Mayerhofer A

更新日期：2007-05-30 00:00:00

abstract：:An in vitro preparation of rabbit thoracic aorta was tested in order to determine whether isometric contractile force induced by endothelin-1 (ET-1) in this preparation is changed when the tissue is exposed to ultraviolet (UV) light. After constriction of an aortic segment to a steady-state level of tension with ET-1,...

journal_title：Life sciences

authors： Nordberg LO,Raffa RB,Tallarida RJ

更新日期：1993-01-01 00:00:00

abstract：:Three neurodegenerative diseases, Huntington's disease (HD), Kennedy's disease (hereditary spinobulbar muscular atrophy, SBMA), and type 1 spinocerebellar ataxia (SCA-1) have been found to share a common genetic defect: an unstable region of repeated CAG trinucleotides which are thought to be translated into a polyglu...

journal_title：Life sciences

authors： Cha JH,Dure LS 4th

更新日期：1994-01-01 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：:Bromopride (BRO) and domperidone (DOMP) are dopamine D2 blocking agents used in gastroenterology clinics because of their anti emetic effect as well as their central and peripheral actions of increasing gastrointestinal motor activity. The rationale for these experiments was to compare BRO- and DOMP-effects on plasma,...

journal_title：Life sciences

authors： Nasello AG,Gidali D,de Sá-Rocha LC,Felicio LF

更新日期：1995-01-01 00:00:00

abstract：:Alpha2-adrenoceptor (alpha2-AR)-regulated binding of the labelled GTP analog, guanosine 5'-O-(3-[35S]thiotriphosphate) ([35S]GTPgammaS), to guanine-nucleotide-binding proteins (G proteins) was studied in human platelet membranes. Under optimal conditions, the potent alpha2-AR agonist, 5-bromo-6-(2-imidazolin-2-ylamino...

journal_title：Life sciences

authors： Gessi S,Campi F,Varani K,Borea PA

更新日期：1999-01-01 00:00:00

abstract：AIMS:We evaluated if selected pro-inflammatory cytokines and/or the protein suppressor of cytokine signaling 3 (SOCS-3) could account for decreased insulin-stimulated phosphatidylinositol 3-kinase (PI3-K) activity in the skeletal muscle of the obese Zucker rat. MAIN METHODS:Eight lean and eight obese Zucker rats ~4wee...

journal_title：Life sciences

authors： Zolotnik IA,Figueroa TY,Yaspelkis BB 3rd

更新日期：2012-10-22 00:00:00

abstract：BACKGROUND AND AIMS:Dental pulp stem cells (DPSC) are promising tools in regenerative medicine due to their differentiation potential and immunomodulatory properties. However, it is not clearly known whether or not DPSCs maintain their immunosuppressive effects after differentiation. In the present study, we examined t...

journal_title：Life sciences

authors： Hossein-Khannazer N,Hashemi SM,Namaki S,Ghanbarian H,Sattari M,Khojasteh A

更新日期：2019-01-01 00:00:00

abstract：:Persistent neurochemical changes consistent with parkinsonism have been reported in brains of mice treated with repeated high doses of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). We now report that ethanol or acetaldehyde potentiate MPTP-induced damage to mouse striatum. One hour after the combined treatments...

journal_title：Life sciences

authors： Corsini GU,Zuddas A,Bonuccelli U,Schinelli S,Kopin IJ

更新日期：1987-03-02 00:00:00

abstract：:The loss of gamma-aminobutyric acid (GABA)-ergic medium spiny neurons (MSNs) in the striatum is the hallmark of Huntington disease (HD), an incurable neurodegenerative disorder characterized by progressive motor, psychiatric, and cognitive symptoms. Transplantation of MSNs or their precursors represents a promising tr...

journal_title：Life sciences

authors： Golas MM

更新日期：2018-09-15 00:00:00

abstract：INTRODUCTION AND AIM:Wound healing is an orderly complex process involving inflammation, clotting, re-epithelialization, neovascularization and wound closure. In diabetic patients, such process is impaired and delayed, posing negative economic as well as social consequences. Diabetex, (patency# EP 0877617 A1) composed ...

journal_title：Life sciences

authors： El-Bahy AAZ,Aboulmagd YM,Zaki M

更新日期：2018-08-15 00:00:00

abstract：:Tumor angiogenesis and lymphangiogenesis are key features of tumor progression and metastasis. The role of tumor cells-derived factors in the promotion of associated angiogenesis and lymphangiogenesis is much studied and, no doubt, very important for the understanding of cancer progression. This review aims to present...

journal_title：Life sciences

authors： Gomes FG,Nedel F,Alves AM,Nör JE,Tarquinio SB

更新日期：2013-02-07 00:00:00

abstract：AIMS:In this study, we used a cross-junction microfluidic device for preparation of alendronate-loaded chitosan nanoparticles with desired characteristics to introduce a suitable element for bone tissue engineering scaffolds. MAIN METHODS:By controlling the reaction condition in microfluidic device, six types of alend...

journal_title：Life sciences

authors： Moradikhah F,Doosti-Telgerd M,Shabani I,Soheili S,Dolatyar B,Seyedjafari E

更新日期：2020-08-01 00:00:00

abstract：:Anandamide (arachidonylethanolamide), isolated from porcine brain, has been shown to bind to the cannabinoid receptor and also to produce cannabimimetic activity in pharmacological assays. This study examined structure-activity relationships in alkylated anandamide analogs. The analogs were evaluated for their ability...

journal_title：Life sciences

authors： Adams IB,Ryan W,Singer M,Razdan RK,Compton DR,Martin BR

更新日期：1995-01-01 00:00:00

abstract：:Silica (SiO2) nanoparticles (NPs) were synthesized by laser ablation method and were characterized by TEM and DLS techniques. Afterwards, their inhibition activity against carbonic anhydrase (CA) isoforms (CA I and CA II) was explored by experimental and theoretical analysis. Also, the protective effect of SiO2 NPs ag...

journal_title：Life sciences

authors： Xu N,Lu W,Meng L,Feng X,Xuan J,Liu F,Feng Z

更新日期：2021-01-12 00:00:00

abstract：:Muscarinic receptors are expressed in smooth muscle throughout the body. In most instances, the muscarinic receptor population in smooth muscle is composed of mainly the M2 and M3 subtypes in an 80% to 20% mixture. The M3 subtype mediates phosphoinositide hydrolysis and calcium mobilization, whereas the M2 subtype med...

journal_title：Life sciences

authors： Ehlert FJ,Ostrom RS,Sawyer GW

更新日期：1997-01-01 00:00:00

abstract：AIMS:Salivary gland dysfunction is a common complication of diabetes mellitus (DM). Long non-coding RNA (lncRNA) is evidenced to involve in the functional regulation of salivary gland, however, its role in DM-impaired gland is unknown. Therefore, this study aimed to investigate the expression profiles and functional ne...

journal_title：Life sciences

authors： Huang Y,Liu HM,Wu LL,Yu GY,Xiang RL

更新日期：2021-01-04 00:00:00

abstract：:The pupillary effects of intravenous buprenorphine were studied in eight nondependent male subjects who reported previous opiate use. Buprenorphine (0.3, 0.6, and 1.2 mg) decreased pupil size, the amplitude of the light reflex, and the velocities of constriction and dilation. Significant pupillary effects occurred wit...

journal_title：Life sciences

authors： Pickworth WB,Bunker E,Welch P,Cone E

更新日期：1991-01-01 00:00:00

abstract：:A number of experimental studies report that biological systems can be affected by in vivo exposure to low frequency and extremely low frequency electromagnetic fields. However, attempts to independently replicate some of these studies have shown the reported effects to be elusive. The difficulty in replicating result...

journal_title：Life sciences

authors： Ubeda A,Díaz-Enriquez M,Martínez-Pascual MA,Parreño A

更新日期：1997-01-01 00:00:00

abstract：UNLABELLED:Acute exercise is a stress stimulus that may cause cell damage through the activation of the toll-like receptor (TLR)4 pathway, resulting in the translocation of nuclear factor kappa B (NF-κB) into the cell nucleus and the upregulation of inflammatory genes. Nonsteroidal anti-inflammatory drugs, such as dicl...

journal_title：Life sciences

authors： Barcelos RP,Bresciani G,Rodriguez-Miguelez P,Cuevas MJ,Soares FA,Barbosa NV,González-Gallego J

更新日期：2016-03-01 00:00:00

abstract：:Sorbitol levels in heart were determined in streptozotocin-induced diabetic rats. Significantly higher levels were found in hearts of diabetic rats compared to normal rats. The findings are compatible with either significantly higher de novo synthesis of sorbitol in heart than is generally believed or uptake of circul...

journal_title：Life sciences

authors： Nakada T,Kwee IL

更新日期：1989-01-01 00:00:00

abstract：:Protein binding determination in post heparin plasma samples is complicated by the continued post heparin lipase activity, in vitro, during the binding analysis. The decomposition of lipoproteins and accumulation of nonesterified fatty acids (NEFA) results in artifically elevated free fractions of many drugs. This art...

journal_title：Life sciences

authors： Pearce GA,Brown KF

更新日期：1983-10-10 00:00:00