| ANP | atrial natriuretic peptide |
| AT | angiotensin |
| BP | blood pressure |
| BW | body weight |
| CAP | captopril (60 mg kg−1 d−1) |
| CAP + NIF | captopril plus nifedipine (60 + 10 mg kg−1 d−1) |
| Coll I | collagen type I |
| Coll III | collagen type III |
| CTRL | untreated hypertensive control rats |
| ECM | extracellular matrix |
| GAP-DH | glyceraldehyde-3-phosphate dehydrogenase |
| HW | heart weight |
| LV | left ventricle, left ventricular |
| MMP-2 | matrix metalloproteinase 2 |
| NIF | nifedipine (10 mg kg−1 d−1) |
| RAAS | renin-angiotensin-aldosterone-system |
| SBP | systolic blood pressure |
| SHR | spontaneously hypertensive rats |
| TGF-β | Transforming Growth Factor-β |
| TIMP-2 | tissue inhibitor of metalloproteinases 2 |