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A Quick Responsive Fluorogenic pH Probe for Ovarian Tumor Imaging.


ABSTRACT: A novel cell-permeable compound, CypH-1, that is non-fluorescent at neutral pH, but fluoresces under mildly acidic conditions with a near infrared maximum emission wavelength was designed for the detection of tumors in the clinical setting. The potential of CypH-1 in ovarian cancer imaging was demonstrated using a murine model. The intraperitoneally administered CypH-1 results in a robust fluorescence signal of discrete neoplastic lesions with millimeter range resolution within few hours. Moreover, fluorescence signal is strikingly enhanced at peripheral regions of tumors at the microscopic level suggesting a sharp physiological difference at the tumor/normal tissue interface. This robust acid-activated imaging agent is expected to have significant impact in broad surgical and diagnostic applications.

SUBMITTER: Tung CH 

PROVIDER: S-EPMC4533099 | biostudies-literature |

REPOSITORIES: biostudies-literature

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