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SSS 2008-04-01

时间:2010-05-13 06:05来源:互联网 提供网友:0922013129   字体: [ ]
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This is Scientific American’s 60-Second Science, I am Cynthia Graber, this will just take a minute.
 
The disease hepatitis C might provide a new tool in the fight against HIV AIDS ,say scientists at the Scripps Institute and in the Netherlands.The research was published March 31st online in the proceedings1 of the National Academy of Sciences.A segment of one of the proteins of the hepatitis C virus is called C5A.Ironically the segment or peptide is actually deadly to the hepatitis virus.So scientists wondered if it could kill the HIV virus as well.They found that in cell cultures C5A did indeed damage HIV,it also interfered2 with HIV's ability to infect cells such as the immune system's T-cells.And C5A properties are in effect at low PH,which is important to any therapy based on it were to be used by women before sex.The researchers say that C5A has a wider range of anti-viral activities than other antimicrobials peptides.Scientists hope that the hep C peptide research will lead to the development of anti-viral therapies that could help prevent the sexual transmission of HIV.
 
Thanks for the minute for Scientific American’s 60-Second Science. I am Cynthia Graber.


点击收听单词发音收听单词发音  

1 proceedings Wk2zvX     
n.进程,过程,议程;诉讼(程序);公报
参考例句:
  • He was released on bail pending committal proceedings. 他交保获释正在候审。
  • to initiate legal proceedings against sb 对某人提起诉讼
2 interfered 71b7e795becf1adbddfab2cd6c5f0cff     
v.干预( interfere的过去式和过去分词 );调停;妨碍;干涉
参考例句:
  • Complete absorption in sports interfered with his studies. 专注于运动妨碍了他的学业。 来自《简明英汉词典》
  • I am not going to be interfered with. 我不想别人干扰我的事情。 来自《简明英汉词典》
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