Abstract：
:The inhibitory effects of adenosine, ATP, 5'-adenylyl methylene diphosphonate (beta, gamma-meATP) and adenosine 5'-alpha, beta-methylene triphosphonate (alpha, beta-meATP) were compared on the cholinergic twitch responses to transmural stimulation of the guinea-pig ileum. Adenosine, ATP and beta, gamma-meATP reduced the twitch responses in a concentration dependent manner. Theophylline antagonized and dipyridamole potentiated the inhibitory responses to adenosine, ATP and beta, gamma-meATP. Inhibitory responses to alpha, beta-meATP were usually preceded by an enhancement in twitch height. Contractions of the unstimulated ileum to alpha, beta-meATP were blocked by atropine and tetrodotoxin while those elicited by ATP were unaffected, which suggests that the initial excitatory effects of alpha, beta-meATP may be due to its ability to release ACh from cholinergic nerve terminals. Use of high pressure liquid chromatography and bioluminescence assay techniques demonstrated the ability of the tissue to degrade ATP and beta, gamma-meATP and, at a much slower rate, alpha, beta-meATP. Inhibitory responses to ATP, AMP and beta, gamma-meATP were reduced by adenosine deaminase, which also abolished responses to adenosine. 5'-AMP deaminase abolished responses to AMP and adenosine, and reduced those to ATP and beta, gamma-meATP. The results suggest that the inhibitory effect of ATP on cholinergic neurotransmission is due to its rapid breakdown to AMP or adenosine, which act on prejunctional P1-purinoceptors.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Moody CJ,Burnstock Gdoi
10.1016/0014-2999(82)90527-1subject
Has Abstractpub_date
1982-01-08 00:00:00pages
1-9issue
1eissn
0014-2999issn
1879-0712pii
0014-2999(82)90527-1journal_volume
77pub_type
杂志文章abstract：:Atherosclerosis is regarded as chronic inflammatory disease. The IL-6/STAT3 pathway plays an important role in inflammation. We previously described a small-molecule compound, Bazedoxifene, which target IL-6/STAT3 pathway and has been approved for clinical use for osteoporosis in postmenopausal women. The aim of this ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2021-02-15 00:00:00
abstract：:Prevention and restoration of hepatic fibrosis from chronic liver injury is essential for the treatment of patients with chronic liver diseases. Vitamin C is known to have hepatoprotective effects, but their underlying mechanisms are unclear, especially those associated with hepatic fibrosis. Here, we analyzed the imp...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2015.06.008
更新日期：2015-09-05 00:00:00
abstract：:Animal and human pharmacological studies indicate that the antipsychotic action of cyamemazine results from blockade of dopamine D(2) receptors, its anxiolytic properties from serotonin 5-HT(2C) receptor antagonism and the low incidence of extrapyramidal side effects from a potent 5-HT(2A) receptor antagonistic action...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2007.09.025
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abstract：:The effects of endothelin, a potent endogenous vasoconstrictor peptide, were examined in a range of vascular and non-vascular tissues. At concentrations that cause vasoconstriction in portal vein and aorta, the peptide strongly contracted rat uterus, trachea and vas deferens, but not guinea pig ileum. Nifedipine, a di...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90716-4
更新日期：1989-06-20 00:00:00
abstract：:Neuroinflammation contributes to the pathogenesis of neurological disorders including stroke, head trauma, multiple sclerosis, amyotrophic lateral sclerosis as well as age-associated neurodegenerative disorders including Alzheimer's and Parkinson's diseases. Therefore, anti-inflammatory drugs could be used to slow the...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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abstract：:Phenylalanine and tyrosine reportedly decrease blood pressure in conscious restrained rats. However, tyrosine has recently been found to increase blood pressure in anesthetized animals, questioning the generality of findings obtained in restrained animals. The present study therefore evaluated the effects of phenylala...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90494-9
更新日期：1989-01-31 00:00:00
abstract：:Glioma is a kind of lethal malignant tumor, and lacks efficient therapies. Combination therapy has been claimed to be a promising approach to combat cancer, due to its increased anti-cancer effects and reduced side effects. This study aimed to investigate the anti-cancer effect and mechanism of combining imatinib with...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2020-05-05 00:00:00
abstract：:Phencyclidine and its derivatives bind specifically and reversibly to rat brain and peripheral organs. Binding characteristics are different in brain, lung, kidney, heart and liver. Affinities of phencyclidines for the brain receptor but not those for peripheral organs are correlated with the pharmacological activitie...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(80)90065-5
更新日期：1980-11-07 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(00)00800-1
更新日期：2000-11-24 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(89)90483-4
更新日期：1989-05-19 00:00:00
abstract：:Apoptosis has received widespread attention for its essential roles in biology, medicine and cancer. We previously found that normal, human papillomavirus (HPV) 16-immortalized and their transformed endocervical cells were increasingly resistant to apoptosis induced by a cancer therapeutic drug. Here, analogously, ano...
journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2003-04-25 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(92)90853-v
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(88)90051-9
更新日期：1988-04-27 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(81)90209-0
更新日期：1981-03-12 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2017.05.027
更新日期：2017-08-15 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0926-6917(94)90007-8
更新日期：1994-08-03 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0922-4106(93)90057-g
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：2003-11-28 00:00:00
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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更新日期：1983-04-22 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(97)00129-5
更新日期：1997-05-01 00:00:00
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journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2014.07.026
更新日期：2014-10-05 00:00:00
abstract：:The endocannabinoids anandamide (AEA) and 2-arachidonoylglycerol (2-AG) are metabolised by cells by hydrolysis to arachidonic acid followed by esterification into phospholipids. Here, we report that nitric oxide (NO) donors significantly increase the amount of tritium accumulated in the cell membranes of RBL2H3 rat ba...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/j.ejphar.2009.08.028
更新日期：2009-10-25 00:00:00
abstract：:The goal of these investigations was to study the role of tachykinin NK2 receptors in neonatal spinal cords using the selective NK2 receptor agonist [beta-Ala8]neurokinin A-(4-10) and the new NK2 receptor antagonist GR 94800. Experiments were performed with superfused hemisected rat and gerbil spinal cords. Dorsal roo...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(94)90053-1
更新日期：1994-06-02 00:00:00
abstract：:The release of endogenous aspartic acid (Asp), glutamic acid (Glu) and gamma-aminobutyric acid (GABA) was investigated in synaptosomes prepared from various regions of the rat brain. The basal release of Asp, Glu and GABA from various regions was 12-35, 24-107 and 15-43 pmol/min per mg protein, respectively. Exposure ...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(92)90511-2
更新日期：1992-06-24 00:00:00
abstract：:In the present study, the P2Y receptor(s) mediating the effects of the pyrimidines UTP and UDP on phospholipase C activation in the mouse neuroblastoma x rat glioma hybrid cell line NG108-15 was investigated. Reverse Transcriptase-Polymerase Chain Reaction (RT-PCR) analysis detected transcripts for the P2Y(6) and P2Y(...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/s0014-2999(01)00845-7
更新日期：2001-03-01 00:00:00
abstract：:Calcium ions are versatile and universal biological signaling factors that regulate numerous cellular processes ranging from cell fertilization, to neuronal plasticity that underlies learning and memory, to cell death. For these functions to be properly executed, calcium signaling requires precise regulation, and fail...
journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
doi：10.1016/j.ejphar.2013.11.012
更新日期：2014-09-15 00:00:00
abstract：:Pyrethroid insecticides have been reported to increase transmembrane sodium influx and inhibit ion-dependent ATPases in insect, squid, and toad nerve tissues. Since changes in sarcolemmal ion fluxes and inhibition of membrane-bound ATPases can alter myocardial contractility, the effects of a potent synthetic pyrethroi...
journal_title：European journal of pharmacology
pub_type： 杂志文章
doi：10.1016/0014-2999(84)90279-6
更新日期：1984-03-02 00:00:00
