Abstract:
:Aim: The hygiene hypothesis states that a lack of infection in early-life suppresses immune system development, and is linked to respiratory allergy (RA) and childhood acute lymphoblastic leukemia (ALL) risk. Little is known about underlying mechanisms, but DNA methylation is altered in RA and ALL, and in response to infection. We investigated if aberrant methylation may be in common between these diseases and associated with infection. Materials & methods: RA and ALL disease-associated methylation signatures were compared and related to exposure-to-infection signatures. Results: A significant number of genes overlapped between RA and ALL signatures (p = 0.0019). Significant overlaps were observed between exposure-to-infection signatures and disease-associated signatures. Conclusion: DNA methylation may be a mediating mechanism through which the hygiene hypothesis is associated with RA and ALL risk.
journal_name
Epigenomicsjournal_title
Epigenomicsauthors
Langie SA,Timms JA,De Boever P,McKay JAdoi
10.2217/epi-2019-0052subject
Has Abstractpub_date
2019-10-01 00:00:00pages
1519-1537issue
13eissn
1750-1911issn
1750-192Xjournal_volume
11pub_type
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