• 제목/요약/키워드: Diethylstilbestrol

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어류의 알과 난황 자어의 생존에 미치는 DDT의 독성

  • 전중균;전미정;이미희;임한규;이종관
    • 한국어업기술학회:학술대회논문집
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    • 한국어업기술학회 2000년도 추계수산관련학회 공동학술대회발표요지집
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    • pp.156-157
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    • 2000
  • 내분비계 장애를 일으킬 수 있다고 추정되는 물질로는 각종 산업용 화학물질, 살충제와 제초제 등의 농약류, 유기 중금속류, 소각장의 다이옥신류, 식물에 존재하는 식물성 에스트로겐 (phytoestrogen) 등의 호르몬 유사물질, DES (diethylstilbestrol) 등의 합성 에스트로겐류 및 기타 식품, 식품첨가물 등이 포함된다. 이와 같은 물질들은 생물들에게 독성을 나타내므로 많은 나라들은 그 사용을 금지하거나 제한하고 있는 실정이다. (중략)

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Bisphenol A에 의한 Sertoli 세포주 내 세포자연사 검정 (Evaluation of Bisphenol a Induced Apoptosis in Sertoli Cell-lines)

  • 김지향;김진규;도병록;이창주;윤용달
    • 한국발생생물학회지:발생과생식
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    • 제9권2호
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    • pp.115-121
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    • 2005
  • 본 연구는 Leydig 세포주와 Sertoli 세포주상에 bisphenol A(BPA)와 diethylstilbestrol(DES)의 영향을 알아보고자 수행하였다. 세포 종류에 따른 BPA의 영향을 알아보기 위해, BPA의 농도별로 두 세포주에 처리하여 세포생존율을 비교하였다. Sertoli 세포주가 Leydig 세포주에 비해서 저농도의 BPA에서 생존율이 유의하게 감소되는 것을 확인할 수 있어, Sertoli 세포가 Leydig 세포주에 비해 BPA에 더욱 민감한 것을 알 수 있었다. 또한 BPA나 DES를 처리했을 때 세포 내 분화 및 사멸 신호 전달에 관여하는 phospholipase D(PLD)의 활성이 현저하게 저하되는 것을 확인하였다. 역전사효소 연쇄 반응을 이용하여 세포막상의 세포자연사 신호전달자인 fas 와 fas ligand의 mRNA 발현을 확인해 본 결과, BPA의 처리에 의해 fas ligand의 발현이 다른 실험군에 비해 유의하게 증가하는 것을 확인할 수 있었다. 이상의 결과들을 정리해 볼 때, 내분비계 교란물질인 BPA는 Sertoli 세포 내 fas/fasL 신호전달계를 자극하여 PLD 활성을 저하시킴으로서, Sertoli 세포 내 세포자연사를 유발시키는 것으로 사료된다.

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질에 발생한 원발성 비투명세포선암 -1예 보고- (Primary Non-clear-cell Adenocarcinoma of the Vagina -Report of a Case-)

  • 지미경;최영진;양기화;김병기;김선무
    • 대한세포병리학회지
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    • 제1권1호
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    • pp.103-110
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    • 1990
  • A case of primary non-clear-cell adenocarcinoma of the vagina is reported occurring in a 65-year-old woman without exposure to diethylstilbestrol (DES) in utero. The adenocarcinoma did not appear to be associated with vaginal adenosis. It lacked clear cell component and interestingly composed of columnar epithelial cells of endocervical-type. Cytologically round to oval nuclei revealed one or more small nucleoli and fine granular chromatin pattern. Cytoplasm was plump, faintly basophilic and homogeneously stained. Histologically well differentiated columnar epithelial cells were arranged on trabecular pattern mainly, and also occasional glandular lumina and small solid sheets were found. Mitoses were hardly found.

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DIETHYLSTILBESTROL (DES) INDUCES MORPHOLOGICAL ALTERATIONS IN OFFSPRING

  • MORITA Maki;SUGIMOTO Miki;TANAKA Takako;OKAMOTO Reika;IMANISHI Satoshi;MANABE Noboru;MIYAMOTO Hajime
    • 한국식품위생안전성학회:학술대회논문집
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    • 한국식품위생안전성학회 2001년도 The Asia-Pacific Conference on Reproductive Biology and Environmental Sciences
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    • pp.195-199
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    • 2001
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유전독성, 발암성 화학물질이 ROS 생성에 미치는 영향 (Effect of Genotoxicity or Carcinogenecity Chemicals on the ROS Production)

  • 고서연;신윤용
    • Environmental Analysis Health and Toxicology
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    • 제23권1호
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    • pp.23-32
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    • 2008
  • In the present study, ROS detection of L5178Y cells that were treated with twenty test compounds in order to find out hydrogen peroxide ($H_2O_2$) induction for genotoxicity and carcinogenic toxicity. Twenty test compounds were consist of four classes, such as genotoxic carcinogens, genotoxic noncarcinogens, nongenotoxic carcinogens, and nongenotoxic noncarcinogens. Genotoxic carcinogens are 1,2-dibromoethane, glycidol, melphalan, diethylstilbestrol and urethane. Genotoxic noncarcinogens are 8-hydroxyquinoline, emodin, acetonitrile and diallylphthalate, L-ascorbic acid. Nongenotoxic carcinogens are methyl carbamate, O-nitrotoluene, 1,4-dioxane, tetrachloroethylene and 2,3,7,8-tetrachlorodibenzo-p-dioxin. And nongenotoxic noncarcinogens are D-mannitol, 1,2-dichlorobenzene, caprolactam, bisphenol A and chlorpheniramine maleate.

Effects of Gestational Exposure to Di(n-butyl)phthalate, flutamide and diethylstilbestrol on Male Reproductive Development in Rats

  • Shin JaeHo;Moon HyunJu;Kim TaeSung;Lee SuJung;Kang IlHyun;Kim InYoung;Bae Hoon;Ryu SungYeoul;Whang SungJo
    • 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.187-187
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    • 2003
  • The aims of present study were to compare the effects of in utero exposure to diethylstibestrol (DES), di(n-butyl)phthalate (DBP) and flutamide on the development of reproductive organs and to investigate the specific mechanisms of these abnormalities in the male reproductive system.During gestation days 10-19, pregnant Sparague-Dawley (SD) female rats were administered orally with corn oil (control), DES (25, 50, or 100 ${\mu}$/kg/day), (omitted)

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STUDY OF RESVERATROL AND ITS DERIVATIVES ON THE REGULATION OG GENE EXPRESSION IN MCF-7 CELLS TRANSFECTED WITH EITHER pERE-LUC OR phCYP1A1-LUC

  • Joung, Ki-Eun;Kim, Yeo-Woon;Sheen, Yhun-Yhong
    • 한국응용약물학회:학술대회논문집
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    • 한국응용약물학회 2001년도 추계학술대회 및 정기총회
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    • pp.111-111
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    • 2001
  • Resveratrol (trans-3,4',5-trihydroxystilbene), which is a polyphenolic compound found in a variety of plants such as grapes and wine, has been reported to have a variety of anti-inflammatory, anti-platelet, and anti-carcinogenic effects. Recently resveratrol of was reported to serve as an estrogen agonist in MCF-7 cells Based on its structural similarity to diethylstilbestrol, a synthetic estrogen, we examined whether resveratrol and its derivatives might be estrogenic using stable MCF-7-ERE cells. Resveratrol functioned as a superagonist at high concentrations (i.e., produced a greater maximal transcriptional response than estradiol) Among the resveratrol derivatives, 10 compounds showed significant estrogenic activity.

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STUDY OF RESVERATROL AND ITS DERIVATIVES ON THE REGULATION OF GENE EXPRESSION IN MCF-7 CELLS TRANSFECTED WITH EITHER pERE-LUC OR pCYP1A1-LUC

  • Joung, Ki-Eun;Kim, Yeo-Woon;Sheen, Yhun-Yhong
    • 한국독성학회:학술대회논문집
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    • 한국독성학회 2001년도 International Symposium on Dietary and Medicinal Antimutgens and Anticarcinogens
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    • pp.161-161
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    • 2001
  • Resveratrol (trans-3, 4', 5-trihydroxystilbene), which is a polyphenolic compound found in a variety of plants such as grapes and wine, has been reported to have a variety of anti-inflammatory, anti-platelet, and anti-carcinogenic effects. Recently resveratrol was reported to serve as an estrogen agonist in MCF-7 cells Based on its structural similarity to diethylstilbestrol, a synthetic estrogen, we examined whether resveratrol and its derivatives might be estrogenic using stable MCF-7-ERE cells. (omitted)

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HPLC를 이용(利用)한 제제중(製劑中) 프레드니솔론의 함량균일성시험(含量均一性試驗)에 관한 연구(硏究) (Determination of Prednisolone in Tablets by High Performance Liquid Chromatography)

  • 김형국;이철규;고건일;김재백
    • Journal of Pharmaceutical Investigation
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    • 제13권2호
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    • pp.59-65
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    • 1983
  • A convenient high performance liquid chromatographic method for the quantitative determination and content uniformity of prednisolone in tablets is described. The prednisolone was chromatographed using a ${\mu}-Bondapak\;C_{18}$ column and the eluent 70% MeOH at a flow rate 1. 0ml/min. Diethylstilbestrol was used as an internal standard. The UV detector response at 254nm was linear over a range of $10{\sim}60{\mu}g/ml$ under conditions of the analysis. Reproducibility studies gave relative standard deviations of $0.3{\sim}0.5%$.

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