Njoroge, Joyce N; Sanders van Wijk, Sandra; Austin, Thomas R; Brody, Jennifer A; Sitlani, Colleen M; Hamerton, Emily; Bis, Joshua; ... HERMES Consortium; + view all Njoroge, Joyce N; Sanders van Wijk, Sandra; Austin, Thomas R; Brody, Jennifer A; Sitlani, Colleen M; Hamerton, Emily; Bis, Joshua; Henry, Albert; Lumbers, R Thomas; Seshaiah, Talia; Shojaie, Ali; Yang, Yimin; Lamberson, Victoria; Yu, Bing; Shah, Amil M; Bansal, Nisha; Shah, Sanjiv; Tracy, Russell P; Gerszten, Robert E; Jennings, Lori L; Gudmundsdottir, Valborg; Gudnason, Vilmundur; Emilsson, Valur; Psaty, Bruce M; Kizer, Jorge R; HERMES Consortium; - view fewer (2026) Large-Scale Proteomic Profiling of Incident Heart Failure and Its Subtypes in Older Adults. Circulation: Genomic and Precision Medicine , Article e005031. 10.1161/CIRCGEN.124.005031.

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Abstract

BACKGROUND: Heart failure (HF) and its main subtypes, heart failure with preserved ejection fraction (HFpEF) and heart failure with reduced ejection fraction (HFrEF), impose an enormous health burden on elders. Assessment of the circulating proteome to illuminate pathogenesis could open new opportunities for treatment. METHODS: We conducted a plasma proteomics screen of incident HF and its subtypes in 2 older population-based cohorts, the CHS (Cardiovascular Health Study) and the AGES-RS (Aging, Gene/Environment Susceptibility-Reykjavik Study). The 2 studies used SomaLogic platforms, with 4404 aptamers in common. Multivariable Cox models were fit to evaluate individual-protein associations with HF, HFpEF, and HFrEF separately in each cohort, and study-specific associations were combined by fixed-effects meta-analysis. Replication was performed in the ARIC (Atherosclerosis Risk in Communities) cohort. Two-sample Mendelian randomization of HF and its subtypes, along with colocalization analysis, was performed to support causal inference. RESULTS: Among 8599 participants, 1590 experienced incident HF (536 HFpEF, 471 HFrEF). There were 119 proteins associated with HF, 15 proteins with HFpEF, and 11 proteins with HFrEF, at Bonferroni-corrected significance. Among these, 9 have never previously been identified for cardiovascular diseases, and another 61 represent new associations with incident HF or its subtypes. Of these 70 proteins, 55 of the 66 available replicated externally. Mendelian randomization analysis revealed 7 proteins genetically associated with HF at nominal significance; 2 were separately associated with HFpEF, and another 2 with HFrEF. Seven of these 9 proteins (NCDP1, APOF, LMAN2 [lectin, mannose-binding 2], ADIPOQ [adiponectin], CD14 [cluster of differentiation 14], ARHGAP1 [Rho GTPase-activating protein 1], C9 [complement 9]) showed new, possibly causal associations, although we did not detect evidence for colocalization. CONCLUSIONS: In this large-scale proteomic study involving 3 longitudinal cohorts of older adults, we identified and replicated 55 novel protein markers of HF or its subtypes, and 7 new, possibly causal proteins. These proteins may enhance risk prediction, improve understanding of pathobiology, and help prioritize targets for therapeutic development of these foremost disorders in elders.

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