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significant decrease » significant increase (Expand Search), significantly increased (Expand Search)
fold increases » fold increase (Expand Search), fold increased (Expand Search), could increase (Expand Search)
role decrease » fold decrease (Expand Search), rate decreased (Expand Search), road decreased (Expand Search)
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Advantages of Novel Anti-cancer Selenosemicarbazones: Preferential Reactivity of Their Fe(III), Cu(II), and Zn(II) Complexes with Key Physiological Reductants/Ligands Versus Isoste...
Published 2025“…Considering this: (1) [Fe(PPP4pSe)<sub>2</sub>]<sup>+</sup> demonstrated increased reduction relative to [Fe(PPP4pT)<sub>2</sub>]<sup>+</sup> with glutathione and l-cysteine, while l-ascorbate led to comparable reduction; (2) glutathione led to complete dissociation of [Zn(PPP4pSe)<sub>2</sub>], while incomplete dissociation of [Zn(PPP4pT)<sub>2</sub>] occurred; and (3) [Cu(PPP4pSe)Cl] demonstrated complete coordinate sphere substitution with glutathione, l-cysteine, and l-ascorbate, whereas [Cu(PPP4pT)Cl] demonstrated partial substitution. The role of glutathione in all three latter reactions is significant, given the greater reactivity of the selenosemicarbazone, and glutathione’s key role in selenosemicarbazone and thiosemicarbazone anticancer activity.…”
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Advantages of Novel Anti-cancer Selenosemicarbazones: Preferential Reactivity of Their Fe(III), Cu(II), and Zn(II) Complexes with Key Physiological Reductants/Ligands Versus Isoste...
Published 2025“…Considering this: (1) [Fe(PPP4pSe)<sub>2</sub>]<sup>+</sup> demonstrated increased reduction relative to [Fe(PPP4pT)<sub>2</sub>]<sup>+</sup> with glutathione and l-cysteine, while l-ascorbate led to comparable reduction; (2) glutathione led to complete dissociation of [Zn(PPP4pSe)<sub>2</sub>], while incomplete dissociation of [Zn(PPP4pT)<sub>2</sub>] occurred; and (3) [Cu(PPP4pSe)Cl] demonstrated complete coordinate sphere substitution with glutathione, l-cysteine, and l-ascorbate, whereas [Cu(PPP4pT)Cl] demonstrated partial substitution. The role of glutathione in all three latter reactions is significant, given the greater reactivity of the selenosemicarbazone, and glutathione’s key role in selenosemicarbazone and thiosemicarbazone anticancer activity.…”