immune system
• both rough and smooth LPS-induced type I interferon production was inhibited and production of interferon-alpha by macrophages infected with vesicular stomatitis virus (VSV) was decreased
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• exhibited no TNF production in response to smooth lipopolysaccharide (LPS), however response to rough LPS or lipid A from Salmonella minnesota was normal
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• all homozygous mice injected with either rough or smooth LPS survived compared to controls that died within 36 hours after injection
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• macrophages exposed to vesicular stomatitis virus (VSV) could not contain the infection and were more susceptible to lysis than controls
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