Fine Structure of Glycosaminoglycans from Fresh and Decellularized Porcine Cardiac Valves and Pericardium

Table 3

Levels of epimerization and sulfation of CS isomers (means ± SD).

	CS/DS	CS	DS	Total GalAGs (CS + DS)
Aortic valve	GlcA/IdoA	4S/6S	4S/6S	4S/6S
Leaflet	1.666±0.645	0.375±0.072	2.340±0.699	0.823±0.121
Sinus	2.611±0.908	0.397±0.072	2.359±1.175	0.724±0.077
Artery wall	1.446±0.843	0.644±0.111	2.221±0.910	0.971±0.074
Pulmonary valve
Leaflet	1.180±0.404	0.412±0.087	2.605±0.759	1.304±0.525
Sinus	1.476±0.673	0.589±0.429	3.995±0.665	1.273±0.190
Artery wall	3.133±0.777	0.681±0.103	1.982±0.760	0.905±0.074
Pericardium*	0.017	*	*	80.289

*Single data regarding C4S/C6S and D4S/D6S for pericardium were very high, as 6-sulfation was near to 0.