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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2008 Jul 18;49(12):5526–5531. doi: 10.1167/iovs.08-2196

Figure 4.

Figure 4

CBD enhances adenosine's ability for TNF-α inhibition. Retinal microglial cells were pretreated with CBD (0.03 − 1 μM) or vehicle for 0.5 hr. Cells were then treated with vehicle or adenosine (1.5 − 100 μM) for another 0.5 hr. Lastly, cells were treated with LPS (30 ng/ml). Twelve hours after LPS treatment, culture media were collected. TNF-α levels were determined by ELISA (n=4 − 8).