
Hydroxysafflor yellow A of Carthamus tinctorius attenuates lung injury of aged rats exposed to gasoline engine exhaust by down-regulating platelet activation
Keywords: GEE, gasoline engine exhaust; HSYA, hydroxysafflor yellow A; PaO2, arterial oxygen tension; PaCO2, carbon dioxide tension; PaO2/FiO2, the PaO2/fraction of inspired oxygen ratio; BALF, bronchoalveolar lavage fluid; cAMP, cyclic adenosine monophosphate; PKA