1995 Fiscal Year Annual Research Report
Project/Area Number |
07670662
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Research Category |
Grant-in-Aid for General Scientific Research (C)
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Research Institution | Kanazawa University |
Principal Investigator |
藤村 政樹 金沢大学, 医学部・付属病院, 講師 (90190066)
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Co-Investigator(Kenkyū-buntansha) |
安井 正英 金沢大学, 医学部, 助手 (60239746)
笠原 寿郎 金沢大学, 医学部・附属病院, 助手 (30272967)
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Keywords | アルコール誘発気道収縮 / 交感神経遮断薬誘発気管支収縮 / 蒸留水吸入誘発気管支収縮 / 即時型アレルギー反応 / トロンボキサンA2 / ロイコトリエン / 血小板活性化因子 / ヒスタミン |
Research Abstract |
1.アルコール誘発気道収縮に関する研究 1)アセトアルデヒドの吸入および静脈内投与によってモルモットを使用した本モデルの作成に成功し,下記の成績を得た. 2)本モデルの気管支収縮にはヒスタミンが重要でありトロンボキサンA2やロイコトリエンは関与しない. 3)本モデルの気道過敏性亢進にはヒスタミンではなく,ロイコトリエンが関与する. 2.交感神経遮断薬による気管支収縮に関する研究 1)受動感作モルモットに即時型アレルギー反応が生じると,交感神経遮断薬に対する気道過敏性が出現することが判明し,交感神経遮断薬による気管支収縮モデルが確立された. 2)本モデルではトロンボキサンA2が最も重要であるが,ロイコトリエンや血小板活性化因子も一部関与する. 3.蒸留水吸入による気管支収縮モデルの作成 1)受動感作モルモットに抗原吸入即時型喘息反応を起こし,その20分後に蒸留水を吸入すると気管支収縮が生じることが判明した. 2)本モデルの蒸留水吸入気管支収縮は,ヒスタミン拮抗薬によって有意に抑制されるが,その抑制の程度は軽度であった.
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[Publications] Fujimura M: "Bronchodilator and bronchoprotective effects of cilostazol in humans in vivo." Am J Respir Crit Care Med. 151. 222-225 (1995)
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[Publications] Fujimura M: "Additive effect of continuous low-dose ofloxacin on erythromycin therapy for sinobronchial syndrome." Drugs. 49(Suppl.2). 409-411 (1995)
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[Publications] Fujimura M: "Prostanoids and cough response to capsaicin in asthma and chronic bronchitis." Eur Respir J. 8. 1499-1505 (1995)
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[Publications] Fujimura M: "Sensory neuropeptides are not directly involved in bronchial hyperresponsiveness induced by interleukin-8 in guinea pigs in vivo." Clinical Experimental Allergy. 26(in press). (1996)
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[Publications] Fujimura M: "Effect of capsaicin inhalation on methacholine responsiveness in normal subjects." Clinical Autonomic Research. 5(in press). (1996)
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[Publications] Fujimura M: "Involvement of thromboxane A2 in bronchial hyperresponsiveness of asthma." Pulmonary Pharmacology. 8(in press). (1996)
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[Publications] Fujimura M: "Influence of sex, age, and pulmonary function on cough receptor sensitivity to inhaled capsaicin in nonsmoking, nonatopic,healthy subjects" Eur Respir J. (in press). (1996)
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[Publications] Xiou Q,Fujimura M: "Involvement of thromboxane A2 in bronchial hyperresponsiveness induced by interleukin-8 in guinea pigs" Clin Exp Allergy. 25. 51-59 (1995)
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[Publications] Saito M,Fujimura M: "Role of thromboxane A2 and platelet-activating factor in allergic bronchoconstriction in guinea pig airway in vivo." J Lipid Mediators Cell signalling. 11. 1-12 (1995)
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[Publications] Songur N,Fujimura M: "Effect of AL-3264 on propranolol-induced bronchoconstriction in guinea pigs." J Lipid Mediators Cell signalling. 11. 175-185 (1995)
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[Publications] Myou S,Fujimura M: "Intravenous injection of acetaldehyde but not ethanol induces histamine-mediated bronchoconstriction in guinea pigs" Respiration. 62. 143-147 (1995)
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[Publications] Myou S,Fujimura M: "Inhibitory effect of terfenadine, a selective H1-histamine antagonist, on alcoholic beverage-induced bronchoconstriction in asthmatic patients." Eur Respir J. 8. 619-623 (1995)
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[Publications] Myou S,Fujimura M: "Repeated inhalation challenge with exogenous and endogenous histamine released by acetaldehyde inhalation in asthmatic patients." Am J Respir Crit Care Med. 152. 456-460 (1995)
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[Publications] Ishiura Y,Fujimura M: "Additive effect of continuous low-dose ofloxacin on erythromycin therapy for sinobronchial syndrome." Respiratory Medicine. 89. 677-684 (1995)
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[Publications] Kurashima K,Fujimura M: "Effect of thromboxane A2 synthetase inhibitor, OKY-046, on sputum in chronic bronchitis and diffuse panbronchiolitis." Eur Respir J. 8. 1705-1711 (1995)
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[Publications] Mizuguchi M,Fujimura M,: "Involvement of NK2^ハ receptors rather than NK1 receptors in bronchial hyperresponsiveness induced by allergic reaction in guinea-pigs." Br J Phamacol. 117. 443-448 (1996)
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[Publications] Myou S,Fujimura M,: "Effect of ethanol on airway caliber and nonspecific bronchial responsiveness in patients with alcohol-induced asthma." Allergy. (in press). (1996)