Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives

A series of histamine bis-Schiff bases and bis-spinaceamine derivatives were synthesised and investigated as activators of four human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the cytosolic hCA I, II and VII, and the membrane-associated hCA IV. All isoforms were effectively activated by the...

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Main Authors: Suleyman Akocak, Nabih Lolak, Silvia Bua, Alessio Nocentini, Claudiu T. Supuran
Format: Article
Language:English
Published: Taylor & Francis Group 2019-01-01
Series:Journal of Enzyme Inhibition and Medicinal Chemistry
Subjects:
Online Access:http://dx.doi.org/10.1080/14756366.2019.1630616
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author Suleyman Akocak
Nabih Lolak
Silvia Bua
Alessio Nocentini
Claudiu T. Supuran
author_facet Suleyman Akocak
Nabih Lolak
Silvia Bua
Alessio Nocentini
Claudiu T. Supuran
author_sort Suleyman Akocak
collection DOAJ
description A series of histamine bis-Schiff bases and bis-spinaceamine derivatives were synthesised and investigated as activators of four human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the cytosolic hCA I, II and VII, and the membrane-associated hCA IV. All isoforms were effectively activated by the new derivatives, with activation constants in the range of 4.73–10.2 µM for hCA I, 6.15–42.1 µM for hCA II, 2.37–32.7 µM for hCA IV and 32 nM–18.7 µM for hCA VII, respectively. The nature of the spacer between the two histamine/spinaceamine units of these molecules was the main contributor to the diverse activating efficacy, with a very different fine tuning for the diverse isoforms. As CA activators recently emerged as interesting agents for enhancing cognition, in the management of CA deficiencies, or for therapy memory and artificial tissues engineering, our compounds may be considered as candidates for such applications.
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spelling doaj.art-c13a038da8794a79ac78bd0ea03efaf22022-12-22T00:55:59ZengTaylor & Francis GroupJournal of Enzyme Inhibition and Medicinal Chemistry1475-63661475-63742019-01-013411193119810.1080/14756366.2019.16306161630616Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivativesSuleyman Akocak0Nabih Lolak1Silvia Bua2Alessio Nocentini3Claudiu T. Supuran4Adiyaman UniversityAdiyaman UniversityUniversità degli Studi di FirenzeUniversità degli Studi di FirenzeUniversità degli Studi di FirenzeA series of histamine bis-Schiff bases and bis-spinaceamine derivatives were synthesised and investigated as activators of four human (h) carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the cytosolic hCA I, II and VII, and the membrane-associated hCA IV. All isoforms were effectively activated by the new derivatives, with activation constants in the range of 4.73–10.2 µM for hCA I, 6.15–42.1 µM for hCA II, 2.37–32.7 µM for hCA IV and 32 nM–18.7 µM for hCA VII, respectively. The nature of the spacer between the two histamine/spinaceamine units of these molecules was the main contributor to the diverse activating efficacy, with a very different fine tuning for the diverse isoforms. As CA activators recently emerged as interesting agents for enhancing cognition, in the management of CA deficiencies, or for therapy memory and artificial tissues engineering, our compounds may be considered as candidates for such applications.http://dx.doi.org/10.1080/14756366.2019.1630616carbonic anhydraseactivatorhistaminespinaceamineproton shuttle
spellingShingle Suleyman Akocak
Nabih Lolak
Silvia Bua
Alessio Nocentini
Claudiu T. Supuran
Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
Journal of Enzyme Inhibition and Medicinal Chemistry
carbonic anhydrase
activator
histamine
spinaceamine
proton shuttle
title Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
title_full Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
title_fullStr Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
title_full_unstemmed Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
title_short Activation of human α-carbonic anhydrase isoforms I, II, IV and VII with bis-histamine schiff bases and bis-spinaceamine substituted derivatives
title_sort activation of human α carbonic anhydrase isoforms i ii iv and vii with bis histamine schiff bases and bis spinaceamine substituted derivatives
topic carbonic anhydrase
activator
histamine
spinaceamine
proton shuttle
url http://dx.doi.org/10.1080/14756366.2019.1630616
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