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Frontiers in Biomedical Technologies، جلد ۱۰، شماره ۲، صفحات ۱۴۰-۱۴۹
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عنوان انگلیسی An In-Vivo Study of Sonodynamic Therapy with Encapsulated Hematoporphyrin
چکیده انگلیسی مقاله Purpose: According to the side effects of invasive cancer treatments, Sonodynamic Therapy (SDT) as a noninvasive method for breast adenocarcinoma was considered. Sonosensitizer agents’ encapsulation can improve the accumulation of these drugs in the tumor tissue and reduce treatment side effects. Hence, mice breast adenocarcinoma SDT with Hematoporphyrin (HP) and HP-encapsulated Mesoporous Silica Nanoparticles (HP-MSNs) was carried out. Materials and Methods: Ninety-six female breast adenocarcinoma grafted Balb/C mice were randomly divided into 16 groups (n = 6): control, sham, HP, HP-MSN, Ultrasound (US), SDT+HP, and SDT+HP-MSN groups. Sonosensitizer agents were injected intraperitoneally (2.5 or 5 mg/kg, 0.2 ml) 24h before an US radiation (1MHz, 1 or 2 W/cm2, 60 sec). The tumor growth parameters were evaluated 30 days after SDT. Results: The inhibition ratio was enhanced by 23, 18, 18, and 16% relative to the control group in HP-MSN (5 mg/kg), HP-MSN (2.5 mg/kg) HP (5 mg/kg) and US (2 W/cm2) groups, respectively, at 18 days after the injection time; whereas, the analysis of findings revealed an antitumor effect in SDT with HP-MSN groups. The Tumor Growth Inhibition (TGI) percentages were 45, 42, and 42% for the SDT (2 W/cm2) + HP-MSN (5 mg/kg), SDT (1 W/cm2) + HP-MSN (5 mg/kg), and SDT (2 W/cm2) + HP (2.5 mg/kg) groups, respectively, on the 18th day post-injection, and T2 and T5 times were higher than that of control and sham groups (P< 0.05). The estimated 44-day survival time in the Kaplan-Meier test was 95% in the SDT (2 W/ cm2) + HP-MSN (5 mg/kg) treated group, which had moderately differentiated cells in tumor grading. Conclusion: Based on the findings, SDT with HP-encapsulated MSNs (5 mg/kg) has an antitumor effect on breast adenocarcinoma.
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نویسندگان مقاله | Shukufeh Souri
Department of Medical Physics, Semnan University of Medical Sciences


| Majid Jadidi
Department of Medical Physics, Semnan University of Medical Sciences


| Hadi Hasanzadeh
Department of Medical Physics, Semnan University of Medical Sciences


| Tahereh Khani
Department of Medical Physics, Semnan University of Medical Sciences


| Vahid Semnani
Department of pathology, Semnan University of Medical Sciences
نشانی اینترنتی https://fbt.tums.ac.ir/index.php/fbt/article/view/456
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