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Dual Function Molecular Imaging Prob...

DeNyse, Christopher.

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Dual Function Molecular Imaging Probes for Breast Cancer.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Dual Function Molecular Imaging Probes for Breast Cancer./
作者:	DeNyse, Christopher.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	197 p.
附註:	Source: Masters Abstracts International, Volume: 85-02.
Contained By:	Masters Abstracts International85-02.
標題:	Chemistry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30634626
ISBN:	9798380137126

Dual Function Molecular Imaging Probes for Breast Cancer.
DeNyse, Christopher.

Dual Function Molecular Imaging Probes for Breast Cancer. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 197 p.

Source: Masters Abstracts International, Volume: 85-02.

Thesis (M.S.)--Rochester Institute of Technology, 2023.

This item must not be sold to any third party vendors.

Breast cancer (BrCa) is a pressing health concern, necessitating the development of effective imaging and therapeutic agents. To address this need, we designed and synthesized molecularly targeted imaging and therapeutic agents that combine visualization and treatment of tumors in real-time. Our approach involved the development of dual-modal agents, incorporating the fluorescent near infrared (NIR) dye, IRDye78, and a chlorin-based photosensitizer (PS) dye, Mesopyropheoborbide-a (mPPa), coupled to a BrCa-targeting peptide, "18-4."Additionally, we created a water-soluble, single-modal targeted PS probe for photodynamic therapy (PDT) of BrCa for use guided by other imaging methods.Our methodology was based on a modular approach, wherein modules containing the dyes attached to a lysine scaffold were utilized to attach the dye payloads in two different combinations: one with the PS dye on the lysine side chain and fluorescent dye, IRDye78, on the n-terminus of lysine, and the other with reversed positions of the two dyes. Furthermore, we extended this method to synthesize palladium-metalated versions of these modules.For the water-soluble, targeted single-modal probe, we designed a module that incorporated the PS dye on the side chain of lysine, attached to a water-solubilizing tri-sulfonated arm on the n-terminus. This module was then coupled to the BrCa peptide, resulting in a single-modal PS for PDT of BrCa.Two probes were provided to the University of Rochester for evaluation in BrCa cells and murine models. Preliminary results confirmed the uptake of our first dual modal probe into BrCa cells through fluorescent microscopy.This work represents the first example of receptor-targeted, dual-modal imaging and therapy agents for combined imaging and PDT of BrCa. Additionally, a new approach to water-soluble, single-modal targeted PDT agent is introduced. Overall, this comprehensive approach offers hope for improved outcomes in lumpectomy and represents a substantial advancement in the fight against breast cancer.

ISBN: 9798380137126Subjects--Topical Terms:

516420
Chemistry.
Subjects--Index Terms:

Breast cancer

Dual Function Molecular Imaging Probes for Breast Cancer.
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500 $a Source: Masters Abstracts International, Volume: 85-02.
500 $a Advisor: Schmitthenner, Hans.
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506 $a This item must not be sold to any third party vendors.
520 $a Breast cancer (BrCa) is a pressing health concern, necessitating the development of effective imaging and therapeutic agents. To address this need, we designed and synthesized molecularly targeted imaging and therapeutic agents that combine visualization and treatment of tumors in real-time. Our approach involved the development of dual-modal agents, incorporating the fluorescent near infrared (NIR) dye, IRDye78, and a chlorin-based photosensitizer (PS) dye, Mesopyropheoborbide-a (mPPa), coupled to a BrCa-targeting peptide, "18-4."Additionally, we created a water-soluble, single-modal targeted PS probe for photodynamic therapy (PDT) of BrCa for use guided by other imaging methods.Our methodology was based on a modular approach, wherein modules containing the dyes attached to a lysine scaffold were utilized to attach the dye payloads in two different combinations: one with the PS dye on the lysine side chain and fluorescent dye, IRDye78, on the n-terminus of lysine, and the other with reversed positions of the two dyes. Furthermore, we extended this method to synthesize palladium-metalated versions of these modules.For the water-soluble, targeted single-modal probe, we designed a module that incorporated the PS dye on the side chain of lysine, attached to a water-solubilizing tri-sulfonated arm on the n-terminus. This module was then coupled to the BrCa peptide, resulting in a single-modal PS for PDT of BrCa.Two probes were provided to the University of Rochester for evaluation in BrCa cells and murine models. Preliminary results confirmed the uptake of our first dual modal probe into BrCa cells through fluorescent microscopy.This work represents the first example of receptor-targeted, dual-modal imaging and therapy agents for combined imaging and PDT of BrCa. Additionally, a new approach to water-soluble, single-modal targeted PDT agent is introduced. Overall, this comprehensive approach offers hope for improved outcomes in lumpectomy and represents a substantial advancement in the fight against breast cancer.
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