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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Free Radic Biol Med. 2017 Sep 19;113:157–164. doi: 10.1016/j.freeradbiomed.2017.09.012

Figure 2.

Figure 2

Facial arteries from C57Bl/6 mice were isolated and pressurized to 60 mmHg before pre-constriction with U46619 (n=8). A) After 10 min of light exposure, the bath solution from vessel 1 was added to vessel 2 which produces significant vasodilation. B) Control vessel unexposed to light shows no change in vessel 2 diameter (5.0%, SD 3.8). C) Vasodilation by the light produced substance is abolished in the presence of NO scavenger c-PTIO (3.9%, SD 1.2). D) Bath solution collected from light exposure on a denuded vessel cannot produce vasodilation (4.5%, SD 3.9). E) A denuded vessel will still dilate from the light produced substance of an intact vessel (38.5% SD 4.6).