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. 2020 Sep 1;117(9):2108–2124. doi: 10.1093/cvr/cvaa256

Table 1.

Histology and RNA expression

CTRL HFD CTRL + ANGII HFD + ANGII
A) Histology n =8 n =8 n =7 n =9
 LV fibrosis (fold change) 1.0 ± 0.1 1.0 ± 0.1 1.4 ± 0.1 2.1 ± 0.2a,b
 Capillary density (number/mm2) 25.8 ± 1.3 25.4 ± 0.8 21.3 ± 1.2 18.8 ± 0.9a
B) LV RNA expression levels n =8 n =9 n =7 n =9
 ANP 1.0 ± 0.3 1.0 ± 0.2 1.4 ± 0.2 2.8 ± 0.5a,b
 Col1a1 1.0 ± 0.1 1.8 ± 0.2 2.3 ± 0.3 2.7 ± 0.3a,b
 Col3a1 1.0 ± 0.2 1.6 ± 0.2 1.6 ± 0.1 2.6 ± 0.3a,b
 TIMP-1 1.0 ± 0.2 1.9 ± 0.4 3.3 ± 0.4 5.1 ± 0.9a,b
 Gal-3 1.0 ± 0.1 1.1 ± 0.1 1.2 ± 0.1 2.3 ± 0.3a,b
 IL-6 1.0 ± 0.5 0.3 ± 0.0 0.7 ± 0.1 2.4 ± 0.7



HFD + ANGII + SALINE

HFD + ANGII + LIRA

HFD + ANGII + DAPA
C) LV RNA expression levels n =13 n =13 n =13
 ANP 2.4 ± 0.5 0.9 ± 0.2a 3.3 ± 0.5
 Col1a1 2.6 ± 0.4 1.2 ± 0.2a 2.5 ± 0.4
 Col3a1 1.7 ± 0.1 1.1 ± 0.1a 2.1 ± 0.2
 TIMP-1 2.7 ± 0.5 1.3 ± 0.3a 3.2 ± 0.4
 Gal-3 2.0 ± 0.3 0.9 ± 0.2a 1.4 ± 0.1
 IL-6 2.9 ± 0.6 1.8 ± 0.4a 2.8 ± 0.4

Data are presented as means ± standard error of the mean. (A) Histology. LV fibrosis = histological analysis of fibrosis by Masson staining. Capillary density is number of positive CD31 cells per mm2. (B and C) LV RNA expression. Gene expression was normalized to 36B4 and presented as fold change to CTRL. Statistical testing was performed with Kruskal–Wallis test followed by Mann–Whitney U test.

ANP, atrial natriuretic peptide; Col1a1, collagen 1a1; Col3a1, collagen 3a1; CTRL, control chow; CTRL + ANGII, angiotensin II treated group on control chow; Gal-3, galectin-3; HFD, high-fat diet; HFD + ANGII, angiotensin II treated group on high-fat diet; HFD + ANGII + Dapa, high-fat diet + angiotensin II with dapagliflozin treatment; HFD + ANGII + Lira, high-fat diet + angiotensin II with daily liraglutide injection; HFD + ANGII + Saline, high-fat diet + angiotensin II with daily saline injections; IL-6, interleukin-6; TIMP-1, tissue inhibitor of metalloproteinases 1.

a

Compared to CTRL.

b

Compared to HFD.