Scientists eye cure for common cold after '˜exciting discovery'
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Scientists at Edinburgh Napier University have discovered possible new treatments based on antimicrobial peptides that occur naturally in humans and animals, and increase the body's natural response to infection.
A five-year study into peptides from different mammals found they all have properties that can combat rhinovirus, the main virus responsible for the common cold infection in humans.
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Hide AdDr Peter Barlow, associate professor of immunology and infection at the university, said research is still in the early stages, but added: "We will ultimately be looking to develop drug treatments that have the potential to cure the commoncold."
The next step in the project will see scientists try to modify the peptide to make it better at killing the rhinovirus, he said.
"There is no cure and no vaccine so the development of effective therapies for human rhinovirus, the main causal agent of the common cold, and one of the most common causes of viral respiratory tract infections, is an urgent requirement," he said.
"This study represents a major step towards finding a treatment."
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Hide AdAn effective treatment for the cold could help sufferers of more serious lung conditions, such as asthma and chronic obstructive pulmonary disease (COPD), for whom viral infections can pose a serious health risk.
Earlier research by Dr Barlow had underlined the potential of antimicrobial peptides in tackling the influenza A virus.
The £200,000 latest study, funded by the Chief Scientist Office and medical research charity Tenovus Scotland, expanded this work to explore the possibility of using antimicrobial peptides from pigs and sheep to fight the rhinovirus.
Using peptides synthesised in the laboratory, researchers Filipa Henderson Sousa and Dr Victor Casanova assessed the impact of the different peptides on lung cells infected with human rhinovirus.
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Hide AdThe peptides successfully attacked the virus, and could provide clues for developing novel treatments based on peptides found in nature.
Dr Barlow said: "This is an exciting discovery and our next steps will be to modify the peptide to make it even better at killing this virus.
"This research is still in the early stages, but we will ultimately be looking to develop drug treatments that have the potential to cure the common cold."