English example sentences with "peptide"

Researchers from the University of Queensland have discovered that the poison from the Fraser Island funnel-web spider in eastern Australia contains what could be a life-saving molecule, or peptide.
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Known as Hi1a, the peptide could block so-called death signals sent to cells after a cardiac arrest, when blood flow to the heart is reduced. This results in a lack of oxygen to the heart muscles, causing cells to become acidic, and a message is sent for heart cells to die.
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Jacob said an flu-fighting peptide could be especially useful when vaccines are not available or when circulating viral strains become resistant to current drugs.
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Researchers at Emory University in Atlanta say the secreted peptide — a subunit of a protein chain — kills dozens of flu strains that plague humans. It is effective against H1 viruses, including ones that could cause pandemics.
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