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Updated: May 23, 2025

An In Vitro Approach to Photodynamic Therapy
Published on: August 17, 2018
Mitochondrial activation via calcium peroxide/carrageenan/soybean lecithin-derived polypyrrole phototherapeutic
Sih-Chi Chuang1, Shih-An Yu2, Pei-Chia Hung2
1Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan; Doctoral Program of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan; Taipei Medical University Derived Company-Hsuan Chen Technology CO., LTD., New Taipei City 22055, Taiwan.
Abstract:
Mitochondria, often referred to as the "powerhouses" of eukaryotic cells, play a critical role in maintaining cellular homeostasis and supporting essential life functions, particularly in cell survival and apoptosis. This study introduces a composite formulation-combining carrageenan (Car), calcium peroxide (CaO2), and microparticles, derived from soybean oil lecithin, enhanced with photothermally active polypyrrole (PPy)-to create Car-Lec-PPy MP, aimed at promoting mitochondrial activation in cells. The investigation focuses on intercellular mitochondrial transfer and activation as a therapeutic strategy. The formulation seeks to stimulate mitochondrial biogenesis and enhance cellular resilience through targeted mitochondrial activation, leveraging the synergistic effects of near-infrared (NIR) therapy. In the in vivo experiment, phototherapeutic Car-Lec-PPy MP was administered to rodent muscle tissue. The results showed increased expression of heat-shock proteins and reduced oxidative stress in the treated muscle. Preliminary findings suggest that this approach not only boosts mitochondrial activity but also improves cell proliferation and survival, presenting significant potential for applications in regenerative medicine and cellular therapy.
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