PBM	photobiomodulation
LLLI	low-level laser irradiation
LLLT	low-level laser treatment
ROS	reactive oxygen species
NO	nitric oxide
ATP	adenosine triphosphate
cAMP	cyclic adenosine monophosphate
H2D-CF-DA	2′,7′-dichlorodihydrofluorescein diacetate
DMEM	Dulbecco’s modified Eagle’s medium
MSCs	mesenchymal stem cells
ECM	extracellular matrix
WALT	World Association for Photobiomodulation Therapy
ACTB	β-actin
GAPDH	glyceraldehyde 3-phosphate dehydrogenase
P53	tumor protein P53
CASP3	caspase 3
CASP9	caspase 9
BAX	BCL2 associated X protein
BCL2	B-cell lymphoma 2
CD44	cluster of differentiation 44
THY1/CD90	thymocyte differentiation antigen 1/cluster of differentiation 90
ENG/CD105	endoglin/cluster of differentiation 105
AU	arbitrary units