Table 2 Human ocular expression of TLRs.

Ocular tissue	Cell type	TLR*
Cornea	Corneal epithelium	TLR1, 2†, 3, 4†, 5†, 6, 7, 9, 1013,14,17
	Cultured corneal epithelial cells	TLR1, 2†, 3†, 4†, 5†, 6, 911,12,13,14,17
	Cultured corneal fibroblasts	TLR419
Conjunctiva	Whole bulbar conjunctiva	TLR428
Uvea	Resident stromal APCs	TLR4†28,31
	Cultured iris endothelial cells	TLR431
Retina	Whole retina	TLR428
	Cultured RPE cells	TLR1, 2†, 3†, 4†, 5, 6, 7, 9, 1035,40
Sclera	Whole sclera	TLR428

APCs, antigen presenting cells; RPE cells, retinal pigment epithelial cells.

*mRNA expression only, unless otherwise specified.

†TLR protein expression confirmed.