Table 1. Primer sequences for specific genes.

Gene	Primer sequence
MMP-9	Forward: 5′-AAGGATGGTCTACTGGCA-3′
	Reverse: 5′-AGAGATTCTCACTGGGGC-3′
MMP-13	Forward: 5′-CCTGGGATTTCCAAAAGAGGT-3′
	Reverse: 5′-TAACACCACAATAAGGAATTT-3′
ANF	Forward: 5′-CCATATTGGAGCAAATCCTG-3′
	Reverse: 5′-CGGCATCTTCTCCTCCAGG-3′
β-actin	Forward: 5′-CCAAGGCCAACCGCGAGAAGATGAC-3′
	Reverse: 5′-AGGGTACATGGTGGTGCCGCCAGAC-3′

MMP: matrix metalloproteinase; ANF: atrial natriuretic factor.