Figure 1: Alpha-Gal epitope distribution in two different samples (A-B and C-D) of glutaraldehyde-fixed tuna cornea material by immunofluorescence analysis. Magnification 20× for A and C; magnification 40× for B and D. Antialpha- Gal monoclonal antibody M86 - red; Nucleic acid material - blue; Matrix autofluorescence - green.