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		<title>Aging Gut Microbes Weaken Flu Defenses, but Acetate Restores Protection in Old Lung Cells</title>
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		<pubDate>Thu, 08 Oct 2026 22:02:07 +0000</pubDate>
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		<category><![CDATA[acetate]]></category>
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		<category><![CDATA[antiviral immunity]]></category>
		<category><![CDATA[Cellular Senescence]]></category>
		<category><![CDATA[dysbiosis]]></category>
		<category><![CDATA[FFAR2]]></category>
		<category><![CDATA[gut microbiota]]></category>
		<category><![CDATA[Gut-lung axis]]></category>
		<category><![CDATA[histone acetylation]]></category>
		<category><![CDATA[influenza A virus]]></category>
		<category><![CDATA[lung fibroblasts]]></category>
		<category><![CDATA[short-chain fatty acids]]></category>
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					<description><![CDATA[New research in Aging Cell shows that age-related gut microbiota dysbiosis reduces acetate production and weakens antiviral defense in the lung, while acetate supplementation restores protection in senescent human lung cells infected with influenza A virus.]]></description>
		
		
		
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