Antipyretics might occupy a narrow temporal position in aetiology of type 1 diabetes: Immunological and intestinal studies required.
2020
Abstract Geographical variance in the incidence of type 1 diabetes mellitus (T1DM) and its etiological link to viruses and gut microbiome imply causative environmental agents. Antipyretics and especially acetaminophen received some attention recently due to the associations with some autoimmune conditions and lack of studies on the mechanisms influencing the immune system. A couple of recent studies involving large cohorts have found no association between the use of acetaminophen in early childhood and seroconversion leading to T1DM (TEDDY, involving international cohort) or diagnosis of overt T1DM (Norwegian MoBa) in the follow up years. The paper gives the supplemental argumentation for the antipyretic hypothesis presented in Medical Hypotheses in 2016 that is still valid in face of the mentioned conclusions. The hypothesis assumes that critical effect of acetaminophen and possibly other antipyretics expresses itself as the immediate influence on the immune system in the unfortunate coincidence with the other environmental factors, supposedly involving feverish, new to immunity, viral infection, all creating triggering circumstances regardless of age. Young age, in this respect should be regarded as a risk factor due to immatureness of immunity. The paper discusses that antipyretics and particularly acetaminophen need more attention evaluating their possible immunity modulations during infection or through negative effects on intestinal microbiota or both.
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