Table 3. Alternative RNA splicing in α-MHC-LacZ-(CTG)₄₀₀ hearts.

Gene	Accession no.	Alt. spliced exon number	n	% Exons inclusion
				WT adult	LacZ adult	TGhigh adult	Tglow adult	WT Posnatal day 1	WT Posnatal day 2
Tnnt2	NM_011619	5	3	6.8±1.15	6.15±1.1	6.9±1.3	7.5±0.9	24.3±1.7*	22.2±1.6*
Alp	AF002283	5a	3	81.7±2.0	80.2±1.6	80.5±1.8	81.1±2.5	98.2±0.5*	97.7±1.0*
Zasp	AY206013	11	3	67.9±4.7	65.5±3.1	67.6±4.1	69.1±5.3	91.6±0.7*	89.7±1.3*
m-Ttn	XM_130312	Mex5	3	48.7±1.2	47.6±1.3	48.2±1.3	47.4±0.9	98.6±0.4*	98.4±0.5*

Asterisk (^*) represents significant differences from wild type (WT) adult (Student's t-test; p<0.05). Tnnt2, cardiac troponin T; Alp, alpha-actinine-2 associated LIM protein; Zasp, Z-band alternatively spliced PDZ-motif protein; m-Ttn, M-line Titin; LacZ, α-MHC-LacZ-(CTG)₀; TG^high, α-MHC-LacZ-(CTG)₄₀₀TG^high; TG^low, α-MHC-LacZ-(CTG)₄₀₀TG^low.