Dampening allergy responses
Initially working on the helminth parasite as a public health problem, they found that a good proportion of people were tolerant and in fact had lower levels of allergy.  Maizels recalls, ‘the helminth was instructing the immune system to be less reactive - that makes some sense because the immune system doesn’t get rid of the parasites. That’s not a good thing for humans but what does seem to be good is that the helminths have the effect of dampening allergy.’

If they can identify in the helminth parasite the mechanism that dampens allergy, it can treat allergies without expecting people to be infected by the parasite. They are excited by how their work crosses into other areas of research, including expertise in paediatric allergy and biochemistry

Finding the right molecules
They have the helminth molecules, which they think are involved in the process so now the task is to identify what each one does.  Maizels says ‘our biggest challenge is that we need to do more than one thing at once, because different things are happening. It’s a good problem. The principle of the approach is important, but we don’t have the outcome yet.’

He expects it will take at least another year to complete testing of the individual components. Then the next step would be to find an industrial partner who is interested in developing one of them. Another positive impact of their work is the implication it has for our understanding of the relationship between public health and hygiene. We just need to find the right bit of the dirt.