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Multifunctional Gold Nanostars for Cancer Theranostics

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EAN: N/A SKU: 9783030091040 Categories: ,

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Weight 158 g
Dimensions 155 × 235 mm
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About The Author

Liu, Yang

This thesis presents the development of theranostic gold nanostars (GNS) for multimodality cancer imaging and therapy. Furthermore, it demonstrates that a novel two-pronged treatment, combining immune-checkpoint inhibition and GNS-mediated photothermal nanotherapy, can not only eradicate primary treated tumors but also trigger immune responses to treat distant untreated tumors in a mouse animal model.

Cancer has become a significant threat to human health with more than eight million deaths each year, and novel methods for cancer management to improve patients’ overall survival are urgently needed. The developed multifunctional GNS nanoprobe with tip-enhanced plasmonics in the near-infrared region can be combined with (1) surface-enhanced Raman spectroscopy (SERS), (2) two-photon photoluminescence (TPL), (3) X-ray computed tomography (CT), (4) magnetic resonance imaging (MRI), (5) positron emission tomography (PET), and (6) photothermal therapy (PTT) for cancer imaging and treatment. The ability of the GNS nanoprobe to detect submillimeter intracranial brain tumors was demonstrated using PET scan – a superior non-invasive imaging modality – in a mouse animal model. In addition, delayed rechallenge with repeated cancer cell injection in cured mice did not lead to new tumor formation, indicating generation of a memorized immune response to cancer.

The biocompatible gold nanostars with superior capabilities for cancer imaging and treatment have great potential for translational medicine applications.

Introduction.- Multifunctional GNS nanoprobe development and characterization.- In vivo evaluation of GNS nanoprobe.- GNS toxicity investigation.- Sensitive brain tumor detection using GNS nanoprobe.- Photoimmunotherapy for cancer metastasis treatment.- Conclusion and future outlook.

Yang Liu obtained his bachelor’s (2007) and master’s degrees (2010) in Chemistry from Shanghai Jiao Tong University, China, where he studied molecular simulation in Dr. Huai Sun’s lab between 2005 and 2010. After coming to Duke University, USA in 2010, he developed a multifunctional gold nanoprobe for sensitive cancer imaging and phototherapy. He has won several awards including a “Kathleen Zielek” fellowship and “Student Travel Award” to the SPIE conference. He received his master’s degree in Biomedical Engineering in 2014 and Ph.D. degree in Chemistry in 2016 from Duke University. He is currently continuing his work on nanomedicine for cancer imaging and photoimmunotherpay as a postdoctoral research associate mentored by Dr. Tuan Vo-Dinh.

This thesis presents the development of theranostic gold nanostars (GNS) for multimodality cancer imaging and therapy. Furthermore, it demonstrates that a novel two-pronged treatment, combining immune-checkpoint inhibition and GNS-mediated photothermal nanotherapy, can not only eradicate primary treated tumors but also trigger immune responses to treat distant untreated tumors in a mouse animal model.

Cancer has become a significant threat to human health with more than eight million deaths each year, and novel methods for cancer management to improve patients’ overall survival are urgently needed. The developed multifunctional GNS nanoprobe with tip-enhanced plasmonics in the near-infrared region can be combined with (1) surface-enhanced Raman spectroscopy (SERS), (2) two-photon photoluminescence (TPL), (3) X-ray computed tomography (CT), (4) magnetic resonance imaging (MRI), (5) positron emission tomography (PET), and (6) photothermal therapy (PTT) for cancer imaging and treatment. The ability of the GNS nanoprobe to detect submillimeter intracranial brain tumors was demonstrated using PET scan – a superior non-invasive imaging modality – in a mouse animal model. In addition, delayed rechallenge with repeated cancer cell injection in cured mice did not lead to new tumor formation, indicating generation of a memorized immune response to cancer.

The biocompatible gold nanostars with superior capabilities for cancer imaging and treatment have great potential for translational medicine applications.

Nominated as an outstanding Ph.D. thesis by the Duke University, USA

Outlines the development of theranostic gold nanostars (GNS) for cancer diagnostics and therapy

Analyzes in vivo the efficient combination of GNS nanoprobe with other imaging technologies

Explores the biocompatibility of gold nanostars (GNS)