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Ternary Cu(II) Complex with GHK Peptide and Cis-Urocanic Acid as a Potential Physiologically Functional Copper Chelate.
Bossak-Ahmad, Karolina; Wisniewska, Marta D; Bal, Wojciech; Drew, Simon C; Fraczyk, Tomasz.
Afiliación
  • Bossak-Ahmad K; Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland.
  • Wisniewska MD; Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland.
  • Bal W; Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland.
  • Drew SC; Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland.
  • Fraczyk T; Department of Medicine (Royal Melbourne Hospital), The University of Melbourne, Melbourne 3010, Australia.
Int J Mol Sci ; 21(17)2020 Aug 27.
Article en En | MEDLINE | ID: mdl-32867146
The tripeptide NH2-Gly-His-Lys-COOH (GHK), cis-urocanic acid (cis-UCA) and Cu(II) ions are physiological constituents of the human body and they co-occur (e.g., in the skin and the plasma). While GHK is known as Cu(II)-binding molecule, we found that urocanic acid also coordinates Cu(II) ions. Furthermore, both ligands create ternary Cu(II) complex being probably physiologically functional species. Regarding the natural concentrations of the studied molecules in some human tissues, together with the affinities reported here, we conclude that the ternary complex [GHK][Cu(II)][cis-urocanic acid] may be partly responsible for biological effects of GHK and urocanic acid described in the literature.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligopéptidos / Ácido Urocánico / Cobre Límite: Humans Idioma: En Revista: Int J Mol Sci Año: 2020 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligopéptidos / Ácido Urocánico / Cobre Límite: Humans Idioma: En Revista: Int J Mol Sci Año: 2020 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Suiza