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Preferential killing of cancer cells and activated human T cells using ZnO nanoparticles
专利权人:
Alex Punnoose
发明人:
Alex Punnoose,Madhusudan R. Kongara,Denise Wingett
申请号:
US12235415
公开号:
US08187638B2
申请日:
2008.09.22
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Here we disclose the response of normal human cells to ZnO nanoparticles under different signaling environments and compare it to the response of cancerous cells. ZnO nanoparticles exhibit a strong preferential ability to kill cancerous T cells (˜28-35X) compared to normal cells. Interestingly, the activation state of the cell contributes toward nanoparticle toxicity as resting T cells display a relative resistance while cells stimulated through the T cell receptor and CD28 costimulatory pathway show greater toxicity in direct relation to the level of activation. The novel findings of cell selective toxicity towards potential disease causing cells indicate a potential utility of ZnO nanoparticle in the treatment of cancer and/or autoimmunity.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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