Journal
RSC ADVANCES
Volume 11, Issue 55, Pages 34963-34978Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra05404j
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- Scientific and Technological Research Council of Turkey (TUBITAK) [118Z693]
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This study synthesized and characterized different Pc derivatives for anti-cancer efficacy, showing varied effects on breast cancer and endothelial cell lines. In particular, InPc derivatives exhibited enhanced effects on the mitochondrial network, while non-peripheral substitutions led to decreased anti-cancer activity. Further research is needed to determine ideal Pc candidates for anti-cancer PDT treatments.
In this study, we synthesized and characterized 3-hydroxypyridin-2-thione (3-HPT) bearing zinc (ZnPc-1 and ZnPc-2) and indium (InPc-1 and InPc-2) phthalocyanine (Pc) derivatives, either non-peripherally or peripherally substituted as photosensitizer (PS) agents and evaluated their anti-cancer efficacy on two breast cancer cell lines, MDA-MB-231 and MCF-7 as well as a human endothelial cell line, HUVEC. Our results indicated different localization patterns between ZnPcs and InPcs in addition to enhanced effects on the mitochondrial network for InPcs. Moreover, peripheral or non-peripheral substitution of HDACi moieties altered cellular localization between ZnPc-1 and ZnPc-2, leading to increased IC50 values along with decreased anti-cancer activity for non-peripheral substitution. When considering the compounds' differential effects in vitro, our data indicates that further research is required to determine the ideal Pcs for anti-cancer PDT treatments since the core metals of the compounds have affected the cellular localization, and positioning of the chemotherapeutic residues may inhibit cellular penetrance.
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