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. 2013 Dec 19;2(6):e000246. doi: 10.1161/JAHA.113.000246

Table 5.

Comparison of Expression of Transcription Factors, Ion Channels, Na+–K+ Pump, Exchangers, Ca2+‐Handling Proteins, and Connexins Between Regions of Interest

Transcript Retroaortic Node vs Ventricular Muscle Right AV Ring vs Ventricular Muscle Retroaortic Node vs Atrial Muscle Right AV Ring vs Atrial Muscle Retroaortic Node vs SN Right AV Ring vs SN Retroaortic Node vs AV Node Right AV Ring vs AV Node Retroaortic Node vs Right AV Ring
Transcription factors
Id2 = = = = = = =
Msx1 = = = = = = = = =
Msx2 = = =
Tbx3 = = = = =
Tbx5 = = = = = =
Nkx2.5 = = = = = = = =
GATA4 = = = = = = = =
GATA6 = = = = = = = =
Inward current carrying ion channels
Nav1.1 = = = = = = = =
Nav1.5 = = = = = = =
Navβ1 = = = = = = =
Navβ4 = = = = = = = =
Cav1.2 = = = = = = = = =
Cav1.3 = = = = = = = =
Cav3.1 = = = = = = =
Cav3.2 = = = = = = =
HCN1 = = = =
HCN2 = = = = = = =
HCN4 = = = =
Outward current carrying K+ channels
Kv1.2 = = = = = = = =
Kv1.4 = = = = = = = = =
Kv1.5 = = = = =
Kv2.1 = = = = = = = = =
Kv4.2 = = = = = = = =
Kv4.3 = = = = = = = =
KvLQT1 (Kv7.1) = = = = = = = = =
ERG (Kv11.1) = = = = = = = =
KChIP2 = = = = = = = =
Kvβ1 = = = = =
SK1 (KCa2.1) = = = = = =
SK2 (KCa2.2) = = = = = = = = =
SK3 (KCa2.3) = = = = = = =
Kir2.1 = = = = = = =
Kir2.2 = = = = = = =
Kir3.1 = = = = =
Kir3.4 = = = = = = =
Kir6.1 = = = = = = = = =
Kir6.2 = = = = = = = = =
SUR1 = = = = = = =
SUR2 = = = = = = =
TREK1 (K2P2.1) = = = = = = = = =
TASK1 (K2P3.1) = = = = = = = =
TASK2 (K2P5.1) = = = = = = =
TWIK2 (K2P6.1) = = = = = = =
Na+–K+ pump and exchangers
Na+–K+ pump α3 = = = = =
Na+–H+ exchanger = = = = = = =
NCX1 = = = = = = =
Ca2+‐handling proteins
SERCA2a = = = = = = = =
Phospholamban = = = = = = = = =
Sarcolipin = = = = = =
RYR2 = = = = = = = = =
RYR3 = = = = = = = =
Gap junction channels
Gja5/Cx40 = = = = = = = =
Gja1/Cx43 = = = = = = = =
Gja7/Cx45 = = = = = = =

AV indicates atrioventricular; SN, sinus node; ↑, significantly upregulated; ↓, significantly downregulated; =, no difference.