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. 2020 Aug 18;10:13945. doi: 10.1038/s41598-020-70848-8

Figure 1.

Figure 1

Hypothesis and workflow of the study. (A) This study hypothesized that sex-specific plasma miRs (derived from the X-chromosome) are differentially expressed in (female) patients with LVDD and HFpEF and associate with microvascular injury (defined by increased plasma Ang-2 levels). (B) In the workflow of the study we measured plasma Angiopoietin-2, X-chromosome located miRs and miRs that were previously found to associate with Ang-2 (Ref.8,10,12) in plasma from female patients with asymptomatic LVDD (n = 13). Next, we measured these miRs in patients with LVDD (n = 122) compared to their controls (n = 244). Subsequently and following analysis of the results we selected miR-34a. -224 and -452 and measured their plasma levels in patients with HFpEF (n = 52) compared to their respective controls (n = 53).