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Dr. Fisher’s cancer research focuses on the daunting challenge facing clinicians and cancer patients, namely identifying, treating and monitoring cancers once they have metastasized from the primary tumor. His efforts have led to development of novel technologies that simultaneously detect and diagnose tumors as well as effectively treat them – or a theranostic approach. With NFCR funding since 2008, Dr. Fisher is now developing an immunotheranostic by genetically engineering a tumor suppressor previously discovered by him to produce a fluorescent (light) signal, allowing for diagnosis, treatment and monitoring of tumors. The fluorescent signal can be imaged using current non-invasive imaging techniques to detect the precise location of metastatic cells and monitor the tumor size after treatment.
NFCR funding has allowed Dr. Fisher to successfully incorporate the tumor suppressing immuno-theranostic into an ‘adoptive cell therapy’ to reduce prostate tumors in mice. In the laboratory, his adoptive therapy first collects the immune T cells from mice to genetically modify the cells with anticancer genes he discovered. After reinjection, the supercharged T cells seek out and deliver an immune enhancer gene that kills any prostate cancer cells. His therapy also provides an imaging tool to identify all metastases and monitor destruction of the tumor using non-invasive imaging. Dr. Fisher’s immuno-theranostic therapy could effectively treat not only metastatic prostate cancer but has the potential to treat virtually any solid tumor, and with modifications, blood cancers.
NFCR funding has allowed Dr. Fisher to successfully incorporate the tumor suppressing immuno-theranostic into an ‘adoptive cell therapy’ to reduce prostate tumors in mice. In the laboratory, his adoptive therapy first collects the immune T cells from mice to genetically modify the cells with anticancer genes he discovered. After reinjection, the supercharged T cells seek out and deliver an immune enhancer gene that kills any prostate cancer cells. His therapy also provides an imaging tool to identify all metastases and monitor destruction of the tumor using non-invasive imaging. Dr. Fisher’s immuno-theranostic therapy could effectively treat not only metastatic prostate cancer but has the potential to treat virtually any solid tumor, and with modifications, blood cancers.
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Jessanne Y Lichtenberg, Ella Ramamurthy, Anna D Young, Trey P Redman, Corinne E Leonard,Swadesh K Das,Paul B Fisher, Christopher A Lemmon, Priscilla Y Hwang
PLoS ONEno. 1 (2024): e0296153-e0296153
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