Effects of nicotine on proliferation and osteoblast differentiation in human alveolar bone marrow-derived mesenchymal stem cells.

abstract：:The effect of cadmium (Cd2+) was studied in vitro on the flavokinase (ATP : riboflavin 5'-phosphotransferase, EC 2.7.1.26) activity purified from rat liver. Cadmium inhibited flavokinase activity in a concentration-dependent manner and the effect was completely reversed by increasing concentration of zinc (Zn2+), indi...

journal_title：Life sciences

authors： Bandyopadhyay D,Chatterjee AK,Datta AG

更新日期：1997-01-01 00:00:00

abstract：:Previous studies showed that acute treatment with aminophylline (AMPY) significantly elevated maximum thermogenesis and improved cold tolerance in rats and man in severe cold. However, the exact mechanism by which AMPY enhances thermogenesis was unknown. Rats receiving enprofylline (ENPRO) (1.5 and 15 mg/kg, i.p.), a ...

journal_title：Life sciences

authors： Wang LC,Jourdan ML,Lee TF

更新日期：1989-01-01 00:00:00

abstract：:The thyrotropin receptor is proposed to contain both a glycoprotein and a ganglioside component. Monoclonal antibodies have been developed against soluble thyroid TSH receptor preparations and using Graves' lymphocytes. These show that initial recognition of thyrotropin requires the glycoprotein component, but that mo...

journal_title：Life sciences

authors： Kohn LD,Valente WA,Laccetti P,Cohen JL,Aloj SM,Grollman EF

更新日期：1983-01-03 00:00:00

abstract：AIMS:Hyperthermia is a characteristic functional effect of sleep deprivation (SD). We hypothesize here that prostaglandin E2 (PGE2) could be involved in hyperthermia induced by sleep deprivation. MAIN METHODS:To address this issue we examined the effects of a selective cyclo-oxygenase-2 inhibitor (COX-2) agent on hype...

journal_title：Life sciences

authors： Palma BD,Nobrega JN,Gomes VL,Esumi LA,Seabra ML,Tufik S,Hipolide DC

更新日期：2009-02-27 00:00:00

abstract：:The effects of chronic treatment with piracetam (100 mg/Kg) plus choline (100 mg/Kg) on rabbits' hippocampal electrical activity and behavior have been studied. Animals were exposed to a neutral environment, in the absence of any external stimulus, and then to an object and a stuffed sparrow-hawk. Results show a drug ...

journal_title：Life sciences

authors： Fontani G,Grazzi F,Meucci M

更新日期：1984-09-10 00:00:00

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：:The uptake and acetylation of [3H]-choline, as well as the calcium-dependent release of a newly synthesized [3H]-ACh, was studied in a new rat atrial mince preparation. The hemicholinium-3-sensitive uptake and acetylation of [3H]-choline increased as [3H]-choline concentrations were elevated to 100 microM in atrial mi...

journal_title：Life sciences

authors： Meyer EM,Baker SP

更新日期：1986-10-13 00:00:00

abstract：AIMS:The hypoxia-stimulated response of the endocrine system depends on the kind and duration of hypoxia. Hypoxia has been reported to stimulate testosterone (T) production in rats, but the mechanisms remain to be investigated. MATERIALS AND METHODS:Male rats were divided into two groups. The rats exposed to chronic i...

journal_title：Life sciences

authors： Cho YM,Chou JC,Fang CM,Hu S,Wang KL,Wang SW,Wang PS

更新日期：2019-09-15 00:00:00

abstract：:In order to determine the effect of relaxin and estradiol on collagen and noncollagen synthesis by mammary gland fibroblasts, fibroblasts isolated from guinea pig mammary glands were grown on plastic or Cytodex-3 collagen coated microcarriers. On plastic, estradiol (600 pg/ml) increased the incorporation of tritiated ...

journal_title：Life sciences

authors： Sheffield LG,Anderson RR

更新日期：1984-11-26 00:00:00

abstract：:To investigate the difference of metabolic pharmacokinetics between pure glycyrrhizin (GZ) and GZ in licorice decoction, six New Zealand White rabbits were orally given pure GZ and licorice decoction containing equivalent content of GZ in a randomized crossover design. HPLC methods were used for the quantitation of GZ...

journal_title：Life sciences

authors： Hou YC,Hsiu SL,Ching H,Lin YT,Tsai SY,Wen KC,Chao PD

更新日期：2005-01-21 00:00:00

abstract：:Growth-related oncogene protein-alpha (GRO-alpha) is a member of the C-X-C chemokine family with a wide variety of biological activities. We studied the production of GRO-alpha by human umbilical vein endothelial cells (HUVEC) in response to the stimulation with soluble form of interleukin-6 receptor alpha (sIL-6R). s...

journal_title：Life sciences

authors： Matsumiya T,Imaizumi T,Itaya H,Shibata T,Yoshida H,Sakaki H,Kimura H,Satoh K

更新日期：2002-05-17 00:00:00

abstract：AIMS:We tested the hypothesis that respiratory quotient (RQ) determines sympathovagal balance associated with metabolism of stored and dietary energy substrates. MAIN METHODS:Six 18-20 year-old African-American males were studied after two control pretreatments of fasting and post-treatments of metabolizing high-fat a...

journal_title：Life sciences

authors： Millis RM,Austin RE,Bond V,Faruque M,Goring KL,Hickey BM,Blakely R,Demeersman RE

更新日期：2009-07-17 00:00:00

abstract：:There is a growing literature indicating that opioid abuse by human addicts and opioid administration to animals have profound effects on the immune system. In the present study, implantation of morphine pellets in mice was associated with reduced phenotypic expression of the cell surface antigens specific to T-lympho...

journal_title：Life sciences

authors： Kimes AS,Smith WJ,Winchell CJ,London ED

更新日期：1992-01-01 00:00:00

abstract：:PNA+Tempol, albumin containing conjugated (polynitroxyl albumin; PNA) and free (4-hydroxyl-2,2,6,6-tetramethyl-piperidinyl-1-oxyl; Tempol) nitroxide may protect against injury caused by reactive oxygen species. Therefore, the actions of PNA+Tempol on liver injury and inflammation induced by hepatic ischemia and reperf...

journal_title：Life sciences

authors： Blonder JM,McCalden TA,Hsia CJ,Billings RE

更新日期：2000-11-17 00:00:00

abstract：AIMS:High level of saturated fatty acids leads to mitochondrial dysfunction and inflammation in the development of insulin resistance in skeletal muscle. We recently found that puerarin improved impaired insulin signaling in skeletal muscle in diabetic animals and in myotubes in vitro. However, whether puerarin can act...

journal_title：Life sciences

authors： Chen X,Yi L,Song S,Wang L,Liang Q,Wang Y,Wu Y,Gao Q

更新日期：2018-08-01 00:00:00

abstract：:Colorectal cancer remains to be the most prevalent malignancy in humans and 1.5 million men and women living in the United States are diagnosed with colorectal cancer, with a predicted 145,600 new cases to be diagnosed in 2019. Curcuminoids and its synthetic analogs are now of interest due to their bioactive attribute...

journal_title：Life sciences

authors： Selvam C,Prabu SL,Jordan BC,Purushothaman Y,Umamaheswari A,Hosseini Zare MS,Thilagavathi R

更新日期：2019-12-15 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：:Immunotherapy with immune checkpoint inhibitors, such as anti-PD-1 drugs, is an area in increasing development for its efficacy and advantages in the treatment of advanced metastatic melanoma. In fact, immunotherapy has been the target of several and recent studies in different types of cancer, namely in melanoma, a g...

journal_title：Life sciences

authors： Moreira RS,Bicker J,Musicco F,Persichetti A,Pereira AMPT

更新日期：2020-01-01 00:00:00

abstract：:In order to better understand the mechanisms underlying the reduction in GH secretion in diabetic rats, we have characterized and measured SRIH receptors in the hypothalamus and anterior pituitary gland 5 and 9 days after induction of diabetes in the rat. Experimental diabetes was induced by an intraperitoneal injecti...

journal_title：Life sciences

authors： Pesce G,Guillaume V,Dutour A,Dadoun F,Joanny P,Steinberg J,Oliver C

更新日期：1994-01-01 00:00:00

abstract：AIMS:Studies on diabetes mellitus have shown that the phosphoinositide 3-kinase (PI3K)/serine threonine kinase (AKT)/forkhead box protein O1 (FoxO1) signaling pathway can regulate insulin secretion by modulating the expression of pancreatic and duodenal homeobox-1 (PDX-1). Therefore, it was hypothesized that the pathwa...

journal_title：Life sciences

authors： Zhang B,Sun P,Shen C,Liu X,Sun J,Li D,Liu Z,Zhang W,Zhang K,Niu Y

更新日期：2020-10-01 00:00:00

abstract：:The somatostatin antagonist analogue cyclo Ahep-Phe-D-Trp-Lys-Thr(Bzl) stimulates growth in young female rats, while somatostatin itself has only equivocal effects on inhibiting growth. ...

journal_title：Life sciences

authors： Spencer GS,Hallett KG

更新日期：1985-07-08 00:00:00

abstract：:Antinuclear antibodies (ANA) development was studied in male guinea pigs in response to chronic treatment with procainamide, hydralazine, acetanilide or caffeine. Acetanilide and caffeine have not previously been associated with ANA induction. Fifty-one weanling Hartley guinea pigs were divided into five groups which ...

journal_title：Life sciences

authors： Robinson CJ,Balazs T

更新日期：1982-01-11 00:00:00

abstract：:We hypothesized that the atheroinhibitory and cardioprotective effects of estrogen may be mediated in part through increased prostacyclin formation by the artery wall. Atherosclerotic abdominal aorta was collected at necropsy from ovariectomized female monkeys fed an atherogenic diet alone or with added Premarin. Basa...

journal_title：Life sciences

authors： O'Sullivan MG,Goodrich JA,Adams MR

更新日期：2001-06-15 00:00:00

abstract：AIM:The purpose of this study was to investigate whether the flavonoid quercetin can prevent alterations in the behavioral tests and of cholinergic neurotransmission in rats submitted to the ethidium bromide (EB) experimental demyelination model during events of demyelination and remyelination. MAIN METHODS:Wistar rat...

journal_title：Life sciences

authors： Beckmann DV,Carvalho FB,Mazzanti CM,Dos Santos RP,Andrades AO,Aiello G,Rippilinger A,Graça DL,Abdalla FH,Oliveira LS,Gutierres JM,Schetinger MR,Mazzanti A

更新日期：2014-05-17 00:00:00

abstract：:It has been suggested that dopamine might play a role in the regulation of the immune system. In this study, reverse transcriptase-polymerase chain reaction (RT-PCR) was used to investigate the expression of mRNA for the different subtypes of dopamine receptors in the rat lymphocytes. D1, D3 and D5 receptor mRNAs were...

journal_title：Life sciences

authors： Caronti B,Calderaro C,Passarelli F,Palladini G,Pontieri FE

更新日期：1998-01-01 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：:Inhaled antimuscarinics, often called anticholinergics in clinical medicine, are established as first line bronchodilators in COPD. Tiotropium has been developed as a new generation antimuscarinic following ipratropium. Tiotropium is a specific, highly potent antimuscarinic, demonstrating very slow dissociation from m...

journal_title：Life sciences

authors： Disse B,Speck GA,Rominger KL,Witek TJ Jr,Hammer R

更新日期：1999-01-01 00:00:00

abstract：:NMDA receptors are glutamate-regulated ion channels of critical importance for many neurophysiological and neuropathological processes. Mg2+ blocks the NMDA receptor by binding to the channel pore with an apparent affinity that depends on the membrane potential. We have investigated the effect of NMDA and the required...

journal_title：Life sciences

authors： Liu Y,Hill RH,Arhem P,von Euler G

更新日期：2001-03-09 00:00:00

abstract：:The beta adrenoceptor antagonist radioligand [3H] dihydroalprenolol (DHA) has been used to characterise beta adrenoceptors in membranes prepared from rat renal glomeruli. Association of the ligand was rapid and had reached equilibrium within 10 mins at 37 degrees C. Dissociation occurred in two distinct phases, a rapi...

journal_title：Life sciences

authors： McPherson GA,Summers RJ

更新日期：1983-07-04 00:00:00

abstract：:A fostering/crossfostering analysis of the effects of maternal ethanol exposure on jejunal and ileal folate absorption was performed. Male and female rats were randomized into two groups. In the first group, ethanol-treated rats received ad libitum 5, 10 and 15% ethanol in the drinking fluid during three successive we...

journal_title：Life sciences

authors： Murillo-Fuentes ML,Murillo ML,Carreras O

更新日期：2003-09-12 00:00:00