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Introduction: Glioma remains incurable and a life limiting disease with an urgent need for effective therapies. Sonodynamic therapy (SDT) involves systemic delivery of non-toxic chemical agents (sonosensitizers) that accumulate in tumor cells or environment and are subsequently activated by exposure to low-frequency ultrasound to become cytotoxic agents. Herein, we discuss proposed mechanisms of action of SDT and provide recommendation for future research and clinical applications of SDT for gliomas.
Methods: Review of literature of SDT in glioma cell cultures and animal models published in Pubmed/MEDLINE before January, 2021.
Results: Different porphyrin and xanthene derivatives have proven to be effective sonosensitizers. Generation of reactive oxygen species and free radicals from water pyrolysis or sonosensitizers, or physical destabilization of cell membrane, have been identified as mechanisms of SDT leading to cell death. Numerous studies across glioma cell lines using various sonosensitizers and ultrasound parameters have documented tumoricidal effects of SDT. Studies in small animal glioma xenograft models have also consistently documented that SDT is associated with improved tumor control and longer survival of animals treated with SDT while avoiding damage of surrounding brain. There are no clinical trials completed to date regarding safety and efficacy of SDT in patients harboring gliomas, but some are beginning.
Conclusions: Pre-clinical studies cell cultures and animal models indicate that SDT is a promising treatment approach for gliomas. Further studies should define optimal sonication parameters and sonosensitizers for gliomas. Clinical trials of SDT in patients harboring gliomas and other malignant brain tumors are currently underway.
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http://dx.doi.org/10.1007/s11060-021-03807-6 | DOI Listing |
Adv Sci (Weinh)
December 2024
School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
Cuproptosis that utilizes copper ionophore to induce programmed cell death holds promise for enhancing the effectiveness of conventional anticancer therapies and triggering efficient adaptive immune responses. However, the non-tumor-specific release of Cu ions can induce cuproptosis and cause irreversible damage to normal tissues. To maximize the therapeutic effects of tumor-specific cuproptosis, this work reports for the first time the regulation of degradation behaviors of Cu-based nanomaterials using graphene quantum dots (GQDs) as a protection layer.
View Article and Find Full Text PDFActa Biomater
December 2024
Department of Ultrasound, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, P. R. China. Electronic address:
Dynamic therapies such as photodynamic therapy (PDT) and sonodynamic therapy (SDT) have potential in cancer treatment. Microalgae have attracted increasing attention because of their high active mobility, flexibility in terms of functionality, and good biocompatibility. In this study, surface-engineered microalgae Chlorella vulgaris (Chl) modified with metal‒organic framework (MOF) nanoparticles (denoted Chl-MOF) are successfully developed for synergistic photo-sonodynamic therapy and immunotherapy.
View Article and Find Full Text PDFBMC Sports Sci Med Rehabil
December 2024
The Department of Sport Sciences and Physical Activity, Taif University, Taif, Saudi Arabia.
Although physical activity (PA) offers numerous mental and physical health benefits, adult Saudi women face unique social and cultural barriers to participating in PA. This study aimed to explore the motivational factors and obstacles influencing PA participation among adult Saudi women at Taif University. Using Self-Determination Theory (SDT) as the framework, a questionnaire was developed and administered to 706 participants, including students, administrators, and faculty members.
View Article and Find Full Text PDFDiagn Interv Imaging
December 2024
Univ. Bordeaux, CNRS, CRMSB, UMR 5536, IHU Liryc, 33000 Bordeaux, France.
Purpose: The primary purpose of this study was to evaluate the accuracy of an MR-thermometry sequence for monitoring prostate temperature. The secondary purposes were to analyze clinical and technical factors that may affect accuracy and testing the method in a realistic setting, with MR-guided Laser ablation on an ex vivo muscle sample.
Materials And Methods: An ex vivo muscle sample was subjected to Laser ablation while using a two-dimensional multislice segmented echo planar imaging sequence for MR thermometry.
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