Gap junction proteins GJA1 (red), GJA8 (red), GJB6 (green) and GJC1 (green) are localized in trabecular meshwork in IHC staining. Positive staining is shown along the trabecular beams. Cell nuclei were stained with DAPI (blue). AC: anterior chamber, SC: schelmm’s canal. Bar=50 µm. To access the data, click or select the words “Appendix 1.”