• 제목/요약/키워드: pharmaceutical

검색결과 16,088건 처리시간 0.04초

A New Potent Angiogenesis Inhibitor, FR-118487

  • Otsuka, Takanao;Ohkawa, Takehiko;Shibata, Toshihiro;Oku, Teruo;Okuhara, Masakuni;Terano, Hiroshi;Kohsaka, Masanobu;Imanaka, Hiroshi
    • Journal of Microbiology and Biotechnology
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    • 제1권3호
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    • pp.163-168
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    • 1991
  • A new angiogenesis inhibitor, FR-118487 was obtained by chemical modification of FR-111142 which was isolated from the fermentation products of Scolecobasidium arenarium F-2015. The antiangiogenic activity of FR-118487 was compared with that of the parent compound, FR-111142. In the endothelial cell proliferation test in vitro and the angiogenesis in the chick embryo chorioal-lantoic membrane assay, FR-118487 had about 5∼10 times stronger antiangiogenic activities than FR-111142. In addition, FR-118487 inhibited the angiogenesis in the rabbit corneal assay and suppressed the solid tumor growth in mice. These findings showed that FR-118487 would be a unique antiangiogenic agent with promising antitumor activity.

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Transdermal Pain Palliative Agents Containing Chinese Medicinal Herbs

  • Jia, Wei;Gao, Wenyuan;Cui, Naiqiang;Tang, Lida;Liu, Victoria J.K.;Yang, Jianqin;Qiu, Yunpin;Su, Mingming;Yu, Xiaojia
    • Journal of Plant Biotechnology
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    • 제5권1호
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    • pp.7-11
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    • 2003
  • The TCM (traditional Chinese medicine) transdermal plaster (also known as "cataplasma") are flexible adhesive patches used for treatment of any pain, resulted from arthritis, sprain and bruise, tendovaginitis, lumbar spine protrude, neuralgia, hyperosteogeny ache, abdominal discomfort and metastatic cancer, etc. This paper provides a review of the TCM transdermal agents for pain palliation and the preparation of these herbal patches.l patches.

Antibacterial Constituents from Fruit Bodies of Ascomyce Bulgaria inquinans

  • Zhang Peng;Li Xian;Li Ning;Xu Jing;Li Zhan-Lin;Wang Yi;Wang Jin-Hui
    • Archives of Pharmacal Research
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    • 제28권8호
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    • pp.889-891
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    • 2005
  • Two ergosterins and two triterpenoids were isolated from the dried fruit bodies of Ascomyce Bulgaria inquinans. By means of chemical (hydrolysis) and spectroscopic methods (NMR, EIMS), their structures were established as betuinic acid (1), cerevisterol (2), (24R)ergosta-7, $22E­diene-3\beta,\;5\alpha,\;6\beta-triol-3-O-palmitate$ (3) and ursolic acid (4). Compound 3 is a new compound.

Extraction and Determination of Phytosterols from Corn Oil Foots

  • Kim, Sang-Ho;Park, Sang-Hoo;Ahn, Byung-Goo;Yi, Jeong-Sang;Park, Moo-Sin;Lee, Byeong-Ryong;Kim, Kweon
    • Archives of Pharmacal Research
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    • 제13권3호
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    • pp.282-284
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    • 1990
  • By saponification and extraction of corn oil foots abandoned as waste during oil refining, a mixture of phytosterols was obtained, and its major components were determined as .betha.-sitosterol, campesterol and stigmasterol by gas chromatographic analysis. The mixture is very cheap and regarded as an excellent substrate for direct fermentation of C-17 keto steroid intermediate for various steroid pharmaceuticals.

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Solid Lipid Nanoparticles(SLN) as Controlled Release Subcutaneous Injections of Local Anesthetics

  • Park, Yong-Keun;Lee, Jong-Hwa;Kim, Dong-Woo;Yoon, Jae-Nam;Jun, Il-Soon;Lee, Eun-Mi;Lee, Gye-Won;Jee, Ung-Kil
    • 대한약학회:학술대회논문집
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    • 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.410.1-410.1
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    • 2002
  • Local anesthetics are used to reduce pain. but they are so frequently injected to patients. So we prepared lidocaine solid lipid nanopaticles for long acting subcutaneous injection to decrease the number of times of injection. Solid lipid nanoparticles were prepared by spray drying method. First. drug. lipid. plasticizer and surfactant were dissolved in methylene chloride. and we operated spray dryer using this solution at setting value. (omitted)

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Drug-drug interaction with DA-125 and the other anticancer drugs

  • Park, Kyung-Jin;Yoon, Hea-Sun;Jang, Ji-Myun;Shim, Hyun-Joo;Kim, Soon-Hoe;Kim, Won-Bae
    • 대한약학회:학술대회논문집
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    • 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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    • pp.313.1-313.1
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    • 2003
  • DA-125, a novel anthracycline analog containing fluorine with decreased cardiotoxicity and increased antitumor activity of adriamycin (ADM), developed by Research Laboratories of Dong-A Pharmaceutical. DA-125, water soluble prodrug of M1, is a ${\beta}$-alanine derivative of M1 (FT-ADM). DA-125 was rapidly hydrolyzed to M1, and M1 was metabolized to both M2 and M3. (omitted)

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Metabolism of Eupatilin in the Rats Using Liquid Chromatography/Electrospray Mass Spectrometry

  • Ji, Hye-Young;Lee, Hye-Won;Lee, Hong-Il;Kim, Hae-Kyoung;Shim, Hyun-Joo;Kim, Soon-Hoe;Kim, Won-Bae;Lee, Hye-Suk
    • 대한약학회:학술대회논문집
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    • 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2-2
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    • pp.214.2-214.2
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    • 2003
  • Eupatilin (5,7-dihydroxy-3",4",6-trimethoxyflavone) is an active ingredient of an ethanol extract of Artemisia asiatica (DA-9601) that is used in the treatment of gastritis. In vitro and in vivo metabolism of eupatilin in the rats has been studied by LC- electrospray mass spectrometry. Rat liver microsomal incubation of eupatilin in the presence of NADPH and UDPGA resulted in the formation of four metabolites (M1-M4). M1, M2, M3 and M4 were tentatively identified as 3"- or- 4"-O-demethyl-eupatilin glucuronide, eupatilin glucuronide, 6-O-demethyleupatilin and 3"-or 4"-O-demethyl- eupatilin glucuronide, eupatilin glucuronide, 6-O-demethyleupatilin and 3"-or 4"-O- demethyl-eupatilin glucuronide, eupatilin glucuronide, 6-O demethyleupatilin and 3"-or 4"-O-demethyl-eupatilin glucuronide, respectively. (omitted)

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Pharmacokinetics of DA-8159, a new PDE5 inhibitor, after single and 1-week repeated oral administrations in mice

  • Park, Kyung-Jin;Ahn, Gook-Jun;Kim, Dong-Hwan;Shim, Hyun-Joo;Ahn, Byung-Ok;Kim, Soon-Hoe;Kim, Won-Bae
    • 대한약학회:학술대회논문집
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    • 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2-2
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    • pp.245.1-245.1
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    • 2003
  • DA-8159 is a new PDEV (Phosphodiesterase V) inhibitor, synthesized by Dong-A Pharm., as an oral agent to treat male erectile dysfunction. To make a selection of the dosage of oral administration in carcinogenic studies, we studied preliminarily the pharmacokinetics of DA-8159 after single (at the 1$\^$st/ day) and 1-week (at the 7$\^$th/ day) oral administrations of the drug at doses of 15, 50 and 150 mg/kg/day, to male ICR mice. In 15mg/kg single and 1-week repeated oral administration groups, the concentrations of DA-8159 and DA-8164(the main metabolite of DA-8159) were below the limit of quantitation(LOQ:50ng/ml). (omitted)

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Compounds Obtained from Sida acuta with the Potential to Induce Quinone Reductase and to Inhibit 7,12-Dimethylbenz-[a]anthracene-Induced Preneoplastic Lesions in a Mouse Mammary Organ Culture Model

  • Jang, Dae-Sik;Park, Eun-Jung;Kang, Young-Hwa;Su, Bao-Ning;Hawthorne, Michael-E.;Vigo, Jose-Schunke;Graham, James-G.;Cabieses, Fernando;Fong, Harry H.S.;Mehta, Rajendra-G.;Pezzuto, John-M.;Kinghorn, A.-Douglas
    • Archives of Pharmacal Research
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    • 제26권8호
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    • pp.585-590
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    • 2003
  • Activity-guided fractionation of the EtOAc-soluble extract of the whole plants of Sida acuta using a bioassay based on the induction of quinone reductase (OR) in cultured Hepa 1c1c7 mouse hepatoma cells, led to the isolation of ten active compounds of previously known structure, quindolinone (1), cryptolepinone (2), 11-methoxyquindoline (3), N-trans-feruloyltyramine (4), vomifoliol (5), loliolide (6), 4-ketopinoresinol (7), scopoletin (8), evofolin-A (9), and evofolin-B (10), along with five inactive compounds of known structure, ferulic acid, sinapic acid, syringic acid, ($\pm$)-syringaresinol, and vanillic acid. These isolates were identified by physical and spectral data measurement. A new derivative of quindolinone, 5,10-dimethylquindolin-11-one (1a) was synthesized and characterized spectroscopically. Of the active substances, compounds 1-3 and 1a exhibited the most potent QR activity, with observed CD (concentration required to double induction) values ranging from 0.01 to 0.12 $\mu$ g/mL. Six compounds were then evaluated in a mouse mammary organ culture assay, with cryptolepinone (2), N-trans-feruloyltyramine (4), and 5,10-dimethylquindolin-11-one (1a) found to exhibit 83.3, 75.0, and 66.7% inhibition of 7,12-dimethylbenz[a]anthracene-induced preneoplastic lesions, respectively, at a dose of 10 $\mu\textrm{g}$/mL.