Table 4.
The expressions of mRNA in the left atrial myocardium between adult and aged LA in SR and AF
| Group | n | LVDCCa1c | Ca2+-ATPase | RYR2 | IP3R1 | PLN |
|---|---|---|---|---|---|---|
| SR adult | 7 | 2.38 ± 1.03 | 1.14 ± 0.83 | 2.49 ± 1.02 | 2.68 ± 0.97 | 1.72 ± 0.71 |
| SR aged | 7 | 1.17 ± 0.75* | 2.32 ± 0.75* | 3.63 ± 0.89 | 3.12 ± 1.21 | 1.97 ± 0.84 |
| AF adult | 7 | 0.27 ± 0.25* | 0.30 ± 0.12* | 0.52 ± 0.21* | 0.85 ± 0.21* | 1.28 ± 0.94 |
| AF aged | 7 | 0.10 ± 0.07† | 0.17 ± 0.07† | 0.26 ± 0.09† | 0.67 ± 0.19† | 1.46 ± 0.52 |
*
P < 0.05, compared with the adult SR group.
†
P < 0.05, compared with the aged SR group.
Data are presented as mean ± SD.
LVDCCa1c: L-type calcium channel a1c; Ca2+-ATPase: calcium adenosine triphosphatase; RYR2: ryanodine receptor type-2; IP3R1: inositol triphosphate receptor type-1; PLN: phospholamban; LA: left atira; SR: sinus rhythm; AF: atrial fibrillation.