Table 5.
The expressions of protein 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 | 0.28 ± 0.11 | 0.36 ± 0.08 | 0.23 ± 0.04 | 0.28 ± 0.07 | 0.32 ± 0.09 |
| SR aged | 7 | 0.13 ± 0.10* | 0.48 ± 0.13* | 0.26 ± 0.05 | 0.35 ± 0.06 | 0.36 ± 0.08 |
| AF adult | 7 | 0.13 ± 0.01* | 0.25 ± 0.07* | 0.17 ± 0.04* | 0.17 ± 0.01* | 0.31 ± 0.04 |
| AF aged | 7 | 0.07 ± 0.05† | 0.13 ± 0.03† | 0.10 ± 0.02† | 0.15 ± 0.04† | 0.31 ± 0.05 |
*
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.