. Author manuscript; available in PMC: 2010 Sep 1.

Published in final edited form as: J Endod. 2009 Sep;35(9):1234–1242. doi: 10.1016/j.joen.2009.06.008

Table 2.

Human extracellular matrix molecules mRNA expression in periapical cysts, granulomas, and / or in healthy PDL tissue. mRNA expression was normalized by β-actin

Transcripts	Healthy PDL tissue	Granuloma	Cyst
ADAM metallopeptidase 13	—	—	1.22 ± 0.06
Collagen type XVIII α1	0.67 ± 0.24	—	1.14 ± 0.01
Catenin-α1	0.39 ± 0.11	—	—
Integrin-α3	0.46 ± 0.08	—	1.67 ± 0.01^*
Integrin-α5	0.79 ± 0.02	—	1.25 ± 0.01^*
Integrin-β1	0.75 ± 0.1	—	2.06 ± 0.01^*
Laminin-α5	0.74 ± 0.1	—	1.03 ± 0.01
Matrix metalloproteinase-24	—	1.05 ± 0.32	1.34 ± 0.59
Secreted phosphoprotein-1	—	—	1.38 ± 0.01
Transforming growth factor-β	0.46 ± 0.04	1.01 ± 0.1^*	—
Tissue inhibitor of metalloproteinase-3	0.64 ± 0.21	—	—
L-selectin	0.32 ± 0.12	—	—

p < 0.05 compared to healthy PDL tissue