ORCID Profile
0000-0003-1929-4128
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Publisher: Elsevier BV
Date: 11-2021
Publisher: Springer Science and Business Media LLC
Date: 02-2022
DOI: 10.1038/S41591-022-01688-4
Abstract: Previous microbiome and metabolome analyses exploring non-communicable diseases have paid scant attention to major confounders of study outcomes, such as common, pre-morbid and co-morbid conditions, or polypharmacy. Here, in the context of ischemic heart disease (IHD), we used a study design that recapitulates disease initiation, escalation and response to treatment over time, mirroring a longitudinal study that would otherwise be difficult to perform given the protracted nature of IHD pathogenesis. We recruited 1,241 middle-aged Europeans, including healthy in iduals, in iduals with dysmetabolic morbidities (obesity and type 2 diabetes) but lacking overt IHD diagnosis and in iduals with IHD at three distinct clinical stages—acute coronary syndrome, chronic IHD and IHD with heart failure—and characterized their phenome, gut metagenome and serum and urine metabolome. We found that about 75% of microbiome and metabolome features that distinguish in iduals with IHD from healthy in iduals after adjustment for effects of medication and lifestyle are present in in iduals exhibiting dysmetabolism, suggesting that major alterations of the gut microbiome and metabolome might begin long before clinical onset of IHD. We further categorized microbiome and metabolome signatures related to prodromal dysmetabolism, specific to IHD in general or to each of its three subtypes or related to escalation or de-escalation of IHD. Discriminant analysis based on specific IHD microbiome and metabolome features could better differentiate in iduals with IHD from healthy in iduals or metabolically matched in iduals as compared to the conventional risk markers, pointing to a pathophysiological relevance of these features.
Location: India
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Kanta Chechi.