Low-Level Laser Irradiation Exerts Antiaggregative Effect on Human Platelets Independently on the Nitric Oxide Metabolism and Release of Platelet Activation Markers

Table 1

Comparison of platelet aggregation, nitric oxide bioavailability markers, and platelet activation markers between groups.

	Laser-treated group (after LLLT); (19.8 J/cm^2)	Control group (without LLLT); (0 J/cm^2)	value
ADP aggregation [AU]	66.8 ± 22.2	72.9 ± 22.7
TRAP aggregation [AU]	91.5 ± 21.9	105.0 ± 23.5
Collagen aggregation [AU]	57.7 ± 19.6	64.7 ± 22.3
L-arginine [μmol/l]	37.6 ± 10.4	38.1 ± 11.5	ns
ADMA [μmol/l]	0.40 ± 0.07	0.42 ± 0.06	ns
SDMA [μmol/l]	0.23 ± 0.08	0.24 ± 0.07	ns
sP-selectin [ng/ml]	26.9 ± 9.8	25.58 ± 9.8	ns
PF4 [ng/ml]	541.9 ± 521.5	519.6 ± 501.2	ns

TRAP: thrombin receptor activating peptide; ADMA: asymmetric dimethylarginine; SDMA: symmetric dimethylarginine; PF4: platelet factor 4.