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Optical imaging of periostin enables early endoscopic detection and characterization of esophageal cancer in mice.

ABSTRACT: Imaging strategies that detect early stage esophageal squamous cell carcinoma (ESCC) could improve clinical outcomes, when combined with endoscopic approaches. Periostin is an integrin-binding protein that is important in the tumor microenvironment. We created a fluorescent-labeled antibody that recognizes periostin and binds specifically to ESCC xenograft tumors in mice. In L2-cre;p120ctnLoxP/LoxP mice, which develop squamous cell cancers that resemble human ESCC, we visualized the probe in preneoplastic and neoplastic esophageal lesions using near-infrared fluorescent imaging with upper-gastrointestinal endoscopy. Periostin might be a biomarker of the esophageal tumor microenvironment that can be used to detect preneoplastic lesions.

PROVIDER: S-EPMC3624041 | BioStudies |

REPOSITORIES: biostudies

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