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The objective of this study was to elucidate the molecular networks that underpin virus-induced exacerbations in asthmatic children in vivo.
Anya Deborah Pat Jones Strickland Holt BSc MSc PhD PhD PhD, DSc, FRCPath, FRCPI, FAA Honorary Research Associate Head, Pregnancy and Early Life
Honorary Research Associate
Alexander Anthony Deborah Emma Pat Larcombe Kicic Strickland de Jong Holt BScEnv (Hons) PhD BSc (Hons) PhD PhD PhD, DSc, FRCPath, FRCPI, FAA Honorary
Researchers have made a world-first discovery on how to prevent severe respiratory infections in babies.
Results from recent clinical studies suggest potential efficacy of immune training (IT)-based approaches for protection against severe lower respiratory tract infections in infants, but underlying mechanisms are unclear.
The immunological changes underpinning acquisition of remission (also called sustained unresponsiveness) following food immunotherapy remain poorly defined. Limited access to effective therapies and biosamples from treatment responders has prevented progress. Probiotic peanut oral immunotherapy is highly effective at inducing remission, providing an opportunity to investigate immune changes.
The transcriptome represents the entire set of RNA transcripts expressed in a cell, reflecting both the underlying genetic and epigenetic landscape and environmental influences, providing a comprehensive view of functional cellular states at any given time. Recent technological advances now enable the study of the transcriptome at the resolution of individual cells, providing exciting opportunities to characterise cellular and molecular events that underpin immune-medicated diseases.
We recently reported that offspring of mice treated during pregnancy with the microbial-derived immunomodulator OM-85 manifest striking resistance to allergic airways inflammation, and localized the potential treatment target to fetal conventional dendritic cell (cDC) progenitors. Here, we profile maternal OM-85 treatment-associated transcriptomic signatures in fetal bone marrow, and identify a series of immunometabolic pathways which provide essential metabolites for accelerated myelopoiesis.
We propose that propensity for viral exacerbations of asthma and COPD relate to delayed expression of epithelial cell innate anti-viral immune genes