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タイトル: | α1受容体サブタイプからみた前立腺肥大症 : 臨床から基礎へ (第57回日本泌尿器科学会中部総会) |
その他のタイトル: | The role of α1-adrenoceptor subtypes in benign prostatic hyperplasia: from bed to bench |
著者: | 小島, 祥敬 早瀬, 麻沙 井村, 誠 岡田, 真介 窪田, 泰江 佐々木, 昌一 林, 祐太郎 郡, 健二郎 |
著者名の別形: | Kojima, Yoshiyuki Hayase, Masa Imura, Makoto Okada, Shinsuke Kubota, Yasue Sasaki, Shoichi Hayashi, Yutaro Kohri, Kenjiro |
キーワード: | α1-adrenoceptor BPH Subtype Personalized medicine Cell growth |
発行日: | Jun-2008 |
出版者: | 泌尿器科紀要刊行会 |
誌名: | 泌尿器科紀要 |
巻: | 54 |
号: | 6 |
開始ページ: | 457 |
終了ページ: | 462 |
抄録: | Alpha 1-adrenoceptors (alpha1-ARs) play a role in the regulation of prostatic smooth muscle tone, and are critical mediators of lower urinary tract symptoms (LUTS) and pathophysiology in benign prostatic hyperplasia (BPH). Three subtypes (alpha1a, alpha1b, alpha1d) have been identified by molecular cloning techniques. Although the reasons for the existence of three subtypes remain elusive, recent findings suggest a role of subtype and tissue-specific regulation. We examined the role of each alpha1-AR-subtype in the prostate to apply some new findings obtained from basic research for the clinical treatment. We have demonstrated that the mRNA expression levels of alpha1-AR-subtypes in the prostate differed among patients and that the genetic background differences of patients with BPH were responsible for the diverse responses to subtype-selective alpha1-blockers. In addition, both alpha1a- and alpha1d-AR-subtypes play a significant role in the spontaneous contraction of human prostate and, especially alpha1d-AR-subtypes may also control the cell growth of the prostate. Clarification of the mechanism of alpha1-AR subtypes in the prostate will provide more effective therapy for BPH patients. |
著作権等: | 許諾条件により本文は2009-07-01に公開 |
URI: | http://hdl.handle.net/2433/71682 |
PubMed ID: | 18634446 |
出現コレクション: | Vol.54 No.6 |
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