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Adv Pharm Bull. Inpress.
doi: 10.34172/apb.2024.041
  Abstract View: 93

Research Article

A Two-Stage Transferred Cold Atmospheric Plasma as a Unique Therapeutic Strategy for Targeting Colon Cancer Stem Cells

Abolfazl Soulat ORCID logo, Taghi mohsenpour ORCID logo, Leila Roshangar* ORCID logo, Hamid Naghshara ORCID logo
*Corresponding Author: Email: roshangarl@tbzmed.ac.ir

Abstract

The study examines the induction of apoptosis in colon cancer stem cells (CCSCs) within a 3D culture setting, employing an innovative cold atmospheric plasma (CAP) transmission method known as TS-TCAP. TS-TCAP is a partially or fully ionized non-thermal gaseous mixture that comprises photons, charged and neutral particles, and free radicals, which has gained traction in biomedical applications such as cancer therapy. TS-TCAP impacts CCSCs via a continuous, two-step transport process, facilitating the efficient delivery of reactive oxygen and nitrogen species (RONS). The key cellular factors of CCSCs impacted by TS-TCAP treatment, encompassing the secretion and expression levels of IL-6 and IL-8, apoptotic cell count, and expression of BAX, BCL-2, and KI-67 proteins, were evaluated using qrt-ELISA, Annexin V, and qrt-PCR procedures, respectively. The outcomes of CCSCs treatment with TS-TCAP reveal a notable rise in the number of apoptotic cells (p value <0.0001), diminished secretion, and gene expression of IL-6 and IL-8 (p-value < 0.0001), accompanied by favorable alterations in BCL-2 and BAX gene expression (p value <0.0001). Additionally, a notable decrease in KI-67 expression was observed, correlating with a reduction in CCSCs proliferation (p value <0.0001). As well, this study underscores the anti-cancer potential of TS-TCAP, showcasing its efficacy in reducing CCSCs survival rates. However, further pre-clinical and clinical trials are necessary to evaluate CAP's efficacy, safety, and potential synergistic effects with other therapies thoroughly. Overall, TS-TCAP presents a promising alternative for CCSCs treatment, pending further investigation and refinement.
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Submitted: 30 Jan 2024
Revision: 16 Mar 2024
Accepted: 17 Mar 2024
ePublished: 20 Mar 2024
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