Analysis of urinary dysfunction and drug discovery by in vivo measurement of drug-receptor binding
Project/Area Number |
18590237
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
General pharmacology
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Research Institution | University of Shizuoka |
Principal Investigator |
YAMADA Shizuo University of Shizuoka, School of Pharmaceutical Sciences, Pharmacokinetics and Pharmacodynamis, Professor (80106434)
|
Co-Investigator(Kenkyū-buntansha) |
OKI Tomomi University of Shizuoka, School of Pharmaceutical Sciences, Pharmacokinetics and Pharmacodynamis, Research associate (50405148)
|
Project Period (FY) |
2006 – 2007
|
Project Status |
Completed (Fiscal Year 2007)
|
Budget Amount *help |
¥4,080,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
|
Keywords | Benign urostatic hvnernlasia / Overactive bladder / Urinary bladder / Neurotransmitter receptors / Cerebral infarction / Bladder outlet obstruction / Interstitial / 尿道部分閉塞 / 間質性膀胱炎 / 膀胱 / ムスカリン性受容体 / アンギオテンシン受容体 / ATP受容体 / 受容体拮抗薬 / 脊髄損傷 / 脳梗塞 / 尿道閉塞 / 膀胱ムスカリン性受容体 / 抗コリン薬 |
Research Abstract |
The aim of this study is to characterize bladder neurotransmitter receptor binding and urodynamic parameters in rats with cerebral infarction, chronic bladder outlet obstruction, cyclophosphamide (CYP) and HCl-treated rats as models of urinary dysfunction due to benign prostatic hyperplasia (BPH) , overactive bladder (OAB) and interstitial cystitis (IC). 1) Bladder capacity and voided volume were significantly lower in the cerebral-infarcted than in the sham rats. Involuntary contractions before micturition were seen in the bladder outlet-obstructed rats but not in sham rats. The cerebral infarction but not bladder outlet obstruction in rats caused up-regulation of bladder muscarinic receptors, and that such regulation of bladder muscarinic receptors may be at least partly associated with the symptoms of detrusor overactivity subsequent to cerebral infarction. 2) In the cystometry of CYP-treated rats compared with control rats, the micturition interval and micturition volume were signifi
… More
cantly decreased and the frequency of micturition and basal pressure were significantly increased. These changes in urodynamic parameters may characterize the detrusor overactivity occurring in CYP-treated rats. Thus, CYP treatment has been shown to cause down-regulation of pharmacologically relevant receptors in the bladder of rats. The present study offers further pharmacological evidence that both muscarinic and purinergic mechanisms contribute significantly to the urinary dysfunction due to IC. 3) The angiotensin II (Ang II) receptor was significantly up-regulated in the rat bladder due to the bladder outlet obstruction. Repeated oral administration of telmisartan in rats completely prevented the development of a bladder outlet obstruction-induced up-regulation of bladder Ang II receptors. Telmisartan treatment also effectively attenuated the increase in bladder wet weight caused by urinary outlet obstruction. Thus, bladder Ang II may be at least partly associated with the pathogenesis of urinary dysfunction occurring subsequent to bladder outlet obstruction. The present study raise the possibility that agonists or antagonists of pharmacologically relevant receptors in the bladder is a useful therapeutic drug for the treatment of urinary dysfunction. Less
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Report
(3 results)
Research Products
(55 results)
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[Journal Article] Comparative evaluation of central muscarinic receptor binding activity by oxybutynin, tolterodine and darifenacin used to treat overactive bladder2007
Author(s)
Tomomi, Oki, Aiko, Kageyama, Yukiko, Takagi, Shinya, Uchida, Shizuo, Yamada
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Journal Title
J. Urol 177
Pages: 766-770
Description
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[Journal Article] Muscarinic and alpha 1-adrenergic receptor binding characteristics of saw palmetto extract in rat lower urinary tract.2007
Author(s)
Mayumi, Suzuki, Tomomi, Oki, Tomomi, Sugiyama, Keizo, Umegaki, Shinya, Uchida, Shizuo, Yamada
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Journal Title
Urology 69
Pages: 1216-1220
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[Journal Article] Brain neurotransmitter receptor-binding characteristics in rats after oral administration of haloperidol, risperidone and olanzapine2007
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Shinya, Uchida, Yasuhiro, Kato, Kazufumi, Hirano, Yoshiyuki, Kagawa, Shizuo, Yamada
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Journal Title
Life Sci 80
Pages: 1635-1640
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[Journal Article] Comparative measurement of spinal CSF microdialysate concentrations and concomitant antinociception of morphine and morphine-6β-glucuronide in rats.2007
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Takashi, Okura, Noriyuki, Komiyama, Yuki, Morita, Midori, Kimura, Yoshiharu, Deguchi, Shizuo, Yamada
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Journal Title
Life Sci 80
Pages: 1319-1326
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[Journal Article] Urodynamics and bladder muscarinic receptors in rats with cerebral infarction and bladder outlet obstruction2007
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Shuji, Maruyama, Souhei, Kurosawa, Yukiko, Takagi, Tomomi, Oki, Yukiko, Noguchi, Masashi, Ukai, Hironori, Yuyama, Akiyoshi, Ohtake, Masanori, Suzuki Masao, Sasayama, Shizuo, Yamada
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Journal Title
Neurosci. Lett 414
Pages: 80-84
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[Journal Article] from plasma concentrations of silodosin, tamsulosin and terazosin to treat urinary obstruction in benign prostatic hyperplasia.Biol.2007
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Shizuo, Yamada, Yasuhiro, Kato, Takashi, Okura, Yoshiyuki, Kagawa, Kazuki, Kawabe Prediction of a_1-adrenoceptor occupancy in the human prostate
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Journal Title
Pham. Bull 30
Pages: 1237-1241
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[Journal Article] Binding activities by propiverine and its N-oxide metabolites of voltage-dependent L-type calcium channel antagonist receptors in the rat bladder and brain2007
Author(s)
Shinya, Uchida, Souhei, Kurosawa, Tomomi, Fujino (Oki), Yoshihisa, Kato Masato, Nanri, Kenichiro, Yoshida, Shizuo, Yamada
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Journal Title
Life Sci 80
Pages: 2454-2460
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[Journal Article] A Novel mechanism for polychlorinated biphenyl-induced decrease in serum throxine level in rats.2007
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Yoshihisa, Kato, Shin-ichi, Ikushiro, Rie, Takiguchi, Koichi, Haraguchi, Nobuyuki, Koga, Shinya, Uchida, Toshiyuki, Sakaki, Shizuo, Yamada, Jun, Kanno, Masakuni, Degawa
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Journal Title
Drug Metab. Dispos 35
Pages: 1949-1955
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[Journal Article] Human muscarinic receptor binding characteristics of antimuscarinic agents to treat overactive bladder.2006
Author(s)
Shuji, Maruyama, Tomomi, Oki, Atsushi, Otsuka, Hitoshi, Sninbo, Seichiro, Ozono, Shinji, Kageyama, Isao, Araki, Yuuki, Mikami, Masayuki, Takeda, Shizuo, Yamada
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Journal Title
J. Urol 175
Pages: 365-369
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[Journal Article] Selective protection of curcumin against carbon tetrachloride-induced inactivation of hepatic cytochrome P450 isozymes in rats2006
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Tomomi, Sugiyama, Jun-ichi, Nagata, Azumi, Yamagishi, Kaori, Endoh, Morio, Saito Kazuhiko, Yamada, Shizuo, Yamada, Keizo, Umegaki
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Journal Title
Life Sci 78
Pages: 2188-2193
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[Journal Article] Development of dry powder inhalation system of novel vasoactive intestinal peptide (VIP) analogue for pulmonary administration2006
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Yuki, Ohmori, Satomi, Onoue, Kosuke, Endo, Asami, Matsumoto, Shinya, Uchida, Shizuo, Yamada
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Journal Title
Life Sci 79
Pages: 138-143
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[Journal Article] Stereochemical diversity-oriented conformational restriction strategy. Development of potent histamine H_3 and/or H_4 receptor antagonists with a imidazolylcyclopropane structure.2006
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Mizuki, Watanabe, Yuji, Kazuta, Hideki, Hayashi, Shizuo, Yamada, Akira, Matsuda, Satoshi, Shuto
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Journal Title
J. Med. Chem 49
Pages: 5587-5596
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[Journal Article] Effects of Ginkgo biloba extract on pharmacokinetics and pharmacodynamics of tolbutamide and midazolam in healthy volunteers.2006
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Shinya, Uchida, Hiroshi, Yamada, Xiao, Dong, Li, Syuji, Maruyama, Yuki, Ohmori, Tomomi, Oki, Hiroshi, Watanabe, Keizo, Umegaki, Kyoichi, Ohashi, Shizuo, Yamada
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Journal Title
J. Clin. Pharmacol 46
Pages: 1290-1298
NAID
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[Presentation] Structure-activity relationship of receptor binding of some 1,4-dihydropyridine derivatives2007
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Shizuo, Yamada, Daiki, Takahashi, Luvsandorj, Oyunzul, Satomi, Onoue, Yoshihiko, Ito. Shinva, Uchida, Rahime, Simsek, Miyase, Gozde Gunduz, Cihat, Safak
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5th Mt. Symp. on Pharm. Chem
Place of Presentation
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Year and Date
2007-09-05
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[Presentation] Antinociceptive effect of extracts of medical herbs in mice and their interaction with morphine2007
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The 3rd China-Japan Joint Meeting ofBasic and Clinical Pharmacology
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Year and Date
2007-08-24
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[Presentation] Direct quantification of muscarinic receptor subtypes in human detrusor muscle, mucosa and parotid gland by irreversible inactivation of M3 receptors by 4-DAMP musterd2007
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37th Annual Meeting of the Mt. Continence Soc.
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Rotterdam, Netherlands
Year and Date
2007-08-23
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[Presentation] Comparative evaluation of human mucosa and detrusor muscarinic receptor binding by anticholinergic agents in the treatment of overactive bladder2006
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Int. Continence Ann. Meeting
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Year and Date
2006-12-01
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26th International Symposium on Halogenated Persistent Organic Pollutants
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Oslo, Norway
Year and Date
2006-08-21
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[Presentation] Effects of ursodeoxycholic acid on the CYP3A activity and pharmacokinetics of midazolam in rats2006
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The 15th World Congress of Pharmacology
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Year and Date
2006-07-04
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The 1st Asia Pacific ISSX Meeting
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Year and Date
2006-05-24
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Year and Date
2006-03-14
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2005 Annual Meeting ofAmerican Society for Clinical Pharmacologyand Therapeutic
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Year and Date
2006-03-08
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[Presentation] Muscarinic and purinergic receptors are altered in the bladder of rat models with interstitial cystitis2006
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