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New hope for a universal pneumococcal vaccine

New hope for a universal pneumococcal vaccine

06 June 2012

Recent research funded by Meningitis Research Foundation (MRF) has revealed a new vaccine target for pneumococcal meningitis. The results are a vital first step towards development of a universal vaccine against all types of pneumococcal meningitis.

Researchers at the University of Adelaide, Australia have been working on this MRF project since 2008 to try and find new vaccine targets for pneumococcal disease. Dr David Ogunniyi and his team looked at how the bacteria behave when they infect the brain and spinal cord, to see if there was a particular part that was important for the bacteria’s ability to cause disease.

The results have been published in the June issue of Journal of Clinical Investigation. The research team discovered a bacterial component called GlpO, a weapon used by pneumococcal bacteria infect and damage brain cells. If our immune systems could be primed by a vaccine to recognise GlpO, we could protect ourselves against pneumococcal disease before it develops.

Pneumococcal infection affects all ages, and is a major cause of meningitis and other severe illenss amongst children and adults worldwide. It particularly affects young children and older adults, and is more likely to cause deafness and brain damage that any other major type of meningitis.

The vaccine currently in use against pneumococcal infection has been very successful. However, there are over 90 different strains of the bacteria that cause pneumococcal disease, and the current pneumococcal vaccine protect against only 13 of the 90 strains. At present this covers most pneumococcal disease, but it is likely to be a temporary solution. In the long run, strains not covered by the vaccine are likely to become more prevalent, and this highlights the importance of research to develop a universal vaccine that could protect against all types of pneumococcal disease.

Dr David Ogunniyi, the lead researcher at University of Adelaide said “This study provides the first direct evidence that GlpO plays a significant role in the development of pneumococcal meningitis and strongly suggests that it might be a suitable candidate for future vaccines. The next step will be to investigate GlpO further.”

Chris Head, CEO of MRF said “Pneumococcal meningitis still affects hundreds of families in the UK each year, and is a major burden worldwide. We’re pleased that our research provides new hope for broader protection against pneumococcal meningitis in the future.”


Becky Pierce-Jones

Becky Pierce-Jones

Hi, I’m Becky and I’m the PR Manager.

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