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https://doi.org/10.1016/j.abb.2016.06.020

has been cited by the following article:

• TITLE: Preparation of Zn2+-Chelated Carboxymethyl Poly(1-Vinylimidazole) for Intracellular Zn2+ Delivery

  AUTHORS: Akito Endo, Shoichiro Asayama

  KEYWORDS: Zinc Ion (Zn2+), Carboxymethyl Poly(1-Vinylimidazole), Intracellular Delivery

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.7 No.5, September 2, 2019

  ABSTRACT: Zinc ions (Zn2+), known to be a novel intracellular second messenger related to various biological functions, have been delivered inside cells. For the intracellular Zn2+ delivery, Zn2+ has been chelated to carboxymethyl poly(1-vinylimidazole) (CM-PVIm) by mixing zinc chloride (ZnCl2) or zinc acetate (Zn(OAc)2) with CM-PVIm. The resulting Zn2+-chelated CM-PVIm, that is, Zn2+/CM-PVIm complex by mixing ZnCl2 exhibited smaller particle size below 10 nm and possessed larger amount of Zn2+ ions, as compared to the Zn2+/CM-PVIm by mixing Zn(OAc)2. The both Zn2+/CM-PVIm complexes exhibited no significant cytotoxicity, leading to intracellular Zn2+ delivery. The Zn2+/CM-PVIm by mixing ZnCl2 delivered larger amount of intracellular Zn2+ ions than that by mixing Zn(OAc)2. These results suggest that the optimal Zn2+/CM-PVIm complex is a useful tool for intracellular Zn2+ delivery to control various biological functions.