#Id: 9922

#XL - T Zoology

IFN-ϒ acts directly by inducing an antiviral state in nearby cells.

IL-2 acts indirectly by assisting the development of cytotoxic T lymphocyte(CTL) precursors into an effector population.

Both IL-2 and IFN-ϒ activate NK cells.

#Id: 9923

#XL - T Zoology

#Id: 9924

#XL - T Zoology

Viruses Employ Several Different Strategies to Evade Host Defense Mechanisms

Hepatitis C virus, inhibiting the action of PKR.

Herpes simplex virus TAP.

#Id: 9925

#XL - T Zoology

Adenoviruses and cytomegalo virus use to reduce the surface expression of class I MHC molecules, 

Measles virus and HIV, reduce levels of class II MHC molecules on the surface, 

#Id: 9926

#XL - T Zoology

#Id: 9927

#XL - T Zoology