Targeted Optical Imaging Agents in Cancer: Focus on Clinical Applications

Figure 8

Lectin. (a) Chemical structure is shown of wheat germ agglutinin (WGA) labeled with AF647 (abs = 650 nm and em = 668 nm). (b) Immunofluorescence of human colon, including (HP), low-grade dysplasia (LGD), high grade dysplasia (HGD), and adenocarcinoma (AC), is shown stained with lectin Helix pomatia agglutinin (HPA) labeled with AF647. (c) Corresponding histology (H&E) ((a) reprinted and modified with the permission from [111] and (b) reprinted with the permission from [90]).

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