Exploration of the endocrine disrupting effects of triclocarban

三氯卡班的内分泌干扰作用探讨

基本信息

  • 批准号:
    8004105
  • 负责人:
  • 金额:
    $ 22.76万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2010
  • 资助国家:
    美国
  • 起止时间:
    2010-01-01 至 2013-12-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): The recent finding that triclocarban (TCC) has novel endocrine disruptor (ED) properties raises the possibility that daily exposures to personal care products containing TCC could have, or may have already had, adverse health effects in humans. In vitro studies as well as preliminary in vivo studies demonstrate that TCC can act to augment the biological effect of circulating testosterone and change the morphology of accessory sex organs in male rats including the prostate gland. The probability of specific adverse human health effects are indicated by the finding of in vivo adverse effects in rats and provide a compelling argument for future population-based and possibly clinical studies to be conducted. Prior to such studies, however, additional in vivo and in vitro studies are needed to provide basic information. The present proposal will address two specific aims, each with hypothesis driven in vitro and/or in vivo studies. TCC's potential mechanism(s) of action is pursued with human cell lines while its tumorigenic potential will be evaluated using well-defined cell lines and an immunodeficient mouse animal model. In vitro studies using human prostate cell lines will better define the mechanism(s) of action of TCC at the intracellular level. The first specific aim will investigate how TCC stimulates cell proliferation and the secretion of prostate specific protein in prostate epithelial cells. The second specific aim will characterize the change in expression, stability and translocation of the androgen receptor (AR) and will investigate key AR co-activators. The expected results obtained from these proposed studies will provide future investigators with both the basic information and methodologies to investigate TCC and provide insight into the potential health risks from exposures to TCC and related compounds on prostate disease. These studies will provide the first in depth data regarding the effect and mode of action of TCC on human prostate function and development. PUBLIC HEALTH RELEVANCE: The recent finding that triclocarban (TCC) has novel endocrine disruptor (ED) properties raises the possibility that daily exposures to personal care products containing TCC could have, or may have already had, a wide range of adverse health effects in humans. Animal studies indicate the prostate gland is enlarged by TCC's toxic effects and suggests a similar adverse effect on the human prostate. The proposed studies will provide information and guide future population-based or clinical studies to investigate the health risks from exposures to TCC and related compounds in both household products and the environment.
描述(由申请方提供):最近发现三氯卡班(TCC)具有新型内分泌干扰物(艾德)特性,这增加了每日暴露于含有TCC的个人护理产品可能对人体产生或已经产生不良健康影响的可能性。体外研究和初步的体内研究表明,TCC可以增强循环睾酮的生物学效应,并改变雄性大鼠包括前列腺在内的附属性器官的形态。大鼠体内不良反应的发现表明了特定不良人类健康影响的可能性,并为未来进行基于人群的研究和可能的临床研究提供了令人信服的论据。然而,在进行这些研究之前,需要进行额外的体内和体外研究以提供基本信息。本提案将解决两个具体目标,每个目标都有假设驱动的体外和/或体内研究。TCC的潜在作用机制是用人细胞系来研究的,而其致瘤潜力将使用明确定义的细胞系和免疫缺陷小鼠动物模型来评价。使用人前列腺细胞系的体外研究将更好地定义TCC在细胞内水平的作用机制。第一个具体的目标是研究TCC如何刺激前列腺上皮细胞的细胞增殖和前列腺特异性蛋白的分泌。第二个具体目标将表征雄激素受体(AR)的表达、稳定性和易位的变化,并将研究关键的AR共激活剂。从这些拟议的研究中获得的预期结果将为未来的研究者提供研究TCC的基本信息和方法,并深入了解接触TCC和相关化合物对前列腺疾病的潜在健康风险。这些研究将提供关于TCC对人类前列腺功能和发育的作用和作用模式的第一个深入数据。 公共卫生关系:最近发现三氯卡班(TCC)具有新的内分泌干扰物(艾德)特性,这增加了每日暴露于含有TCC的个人护理产品可能对人类产生或已经产生广泛不良健康影响的可能性。动物研究表明,前列腺因TCC的毒性作用而增大,并表明对人类前列腺有类似的不良影响。拟议的研究将提供信息,并指导未来的基于人群或临床研究,以调查家庭产品和环境中接触TCC和相关化合物的健康风险。

项目成果

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Bill Lee Lasley其他文献

Bill Lee Lasley的其他文献

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{{ truncateString('Bill Lee Lasley', 18)}}的其他基金

INVESTIGATIONS OF A NEW TYPE ENDOCRINE DISRUPTOR, TCC
新型内分泌干扰物 TCC 的研究
  • 批准号:
    8357287
  • 财政年份:
    2011
  • 资助金额:
    $ 22.76万
  • 项目类别:
ADAPTING MICROTITERPLATE ASSAYS TO AN AUTOMATED PLATFORM
将微量滴定板测定调整至自动化平台
  • 批准号:
    8357262
  • 财政年份:
    2011
  • 资助金额:
    $ 22.76万
  • 项目类别:
INVESTIGATIONS OF A NEW TYPE ENDOCRINE DISRUPTOR, TCC
新型内分泌干扰物 TCC 的研究
  • 批准号:
    8172562
  • 财政年份:
    2010
  • 资助金额:
    $ 22.76万
  • 项目类别:
Exploration of the endocrine disrupting effects of triclocarban
三氯卡班的内分泌干扰作用探讨
  • 批准号:
    7787864
  • 财政年份:
    2010
  • 资助金额:
    $ 22.76万
  • 项目类别:
ADAPTING MICROTITERPLATE ASSAYS TO AN AUTOMATED PLATFORM
将微量滴定板测定调整至自动化平台
  • 批准号:
    8172532
  • 财政年份:
    2010
  • 资助金额:
    $ 22.76万
  • 项目类别:
ADAPTING MICROTITERPLATE ASSAYS TO AN AUTOMATED PLATFORM
将微量滴定板测定调整至自动化平台
  • 批准号:
    7959015
  • 财政年份:
    2009
  • 资助金额:
    $ 22.76万
  • 项目类别:
INVESTIGATIONS OF A NEW TYPE ENDOCRINE DISRUPTOR, TCC
新型内分泌干扰物 TCC 的研究
  • 批准号:
    7959062
  • 财政年份:
    2009
  • 资助金额:
    $ 22.76万
  • 项目类别:
ENDOCRINE CORE SERVICES
内分泌核心服务
  • 批准号:
    7715570
  • 财政年份:
    2008
  • 资助金额:
    $ 22.76万
  • 项目类别:
ADAPTING MICROTITERPLATE ASSAYS TO AN AUTOMATED PLATFORM
将微量滴定板测定调整至自动化平台
  • 批准号:
    7715601
  • 财政年份:
    2008
  • 资助金额:
    $ 22.76万
  • 项目类别:
ADAPTING MICROTITERPLATE ASSAYS TO AN AUTOMATED PLATFORM
将微量滴定板测定调整至自动化平台
  • 批准号:
    7562192
  • 财政年份:
    2007
  • 资助金额:
    $ 22.76万
  • 项目类别:

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