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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: J Mol Cell Cardiol. 2010 May 23;49(3):449–458. doi: 10.1016/j.yjmcc.2010.05.006

Table 2.

Mean±SEM of passive tension (PT) and active tension (AT) in WT and N2B KO myocardium (n=5 per genotype) before and after PKA treatment.

SL
(µm)
PT
(mN/mm2)
Max AT
(mN/mm2)
nH pCa50 ΔpCa50
WT 1.95 ------- 39±2 2.9±0.05 5.79±0.01 ------
WT 2.3 6.6±1.5 50±3 2.2±0.11 5.92±0.02 0.13±0.01
PKA- WT 1.95 ------- 41±3 2.7±0.06# 5.70±0.02## ------
PKA- WT 2.3 6.0±1.3# 52±4 2.0±0.07# 5.89±0.02## 0.19±0.02#
KO 1.95 ------- 42±3 2.7±0.06 5.81±0.02 ------
KO 2.3 16.5±1.1*** 48±3 2.7±0.02** 6.01±0.01** 0.21±0.02**
PKA- KO 1.95 ------- 42±3 2.6±0.09 5.72±0.02## ------
PKA- KO 2.3 15.0±1.1***/### 48±3 1.5±0.04***/# 5.99±0.01**/## 0.27±0.02**/##

Asterisks: comparison between KO and corresponding WT data (t-test);

Number sign: comparison between before and after PKA incubation;