Gheorghe Manole

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Carbonic anhydrases (CAs, EC 4.2.1.1) are wide spread enzymes, present in mammals in at least 14 different isoforms: some of these isozymes are cytosolic (CA I, CA II, CA III, CA VII), while others are membrane-bound (CA IV, CA IX, CA XII and CA XIV); CA V is mitochondrial, and CA VI is secreted in the saliva. Three acatalytic forms are also known (CARP(More)
The growth of Mycobacterium tuberculosis is strongly inhibited by weak acids although the mechanism by which these compounds act is not completely understood. A series of substituted benzoic acids, nipecotic acid, ortho- and para-coumaric acid, caffeic acid and ferulic acid were investigated as inhibitors of three β-class carbonic anhydrases (CAs, EC(More)
Syntheses and physicochemical properties of 2,4,6-tri-, 2,3,4,6-tetra-, or 2,3,4,5,6-pentasubstituted 1-(2-sulfonamido-1,3,4-thiadiazol-5-yl)pyridinium perchlorates are presented. The new compounds, putative inhibitors of membrane-bound carbonic anhydrase, were tested for inhibitory action on the bovine red cell enzyme.
A series of heterocyclic mercaptans incorporating 1,3,4-thiadiazole- and 1,2,4-triazole rings have been prepared and assayed for the inhibition of three physiologically relevant carbonic anhydrase (CA, EC 4.2.1.1) isozymes, the cytosolic human isozymes I and II, and the transmembrane, tumor-associated hCA IX. Against hCA I the investigated thiols showed(More)
a „Titu Maiorescu” University, Dâmbovnicului Street, No.22, Bucharest, district 4, 040441, Romania b S.C.Ecodet Activ s.r.l., Fizicienilor Street No. 22, Bucharest, district 3, 032066, Romania c Institute of Diabetes, Nutrition and Metabolic Diseases "N. C. Paulescu" I. Movila Street No. 5, Bucharest, district 2, 020475, Romania d “Ovidius” University of(More)
Organ failure can be defined as a relevant concept of functional-anatomical condition of body structural change. Anatomical, functional disorders of the body are the expression of structural remodeling. The process is complex, including the first functional cell mass reduction (in particular, apoptosis and necrosis), and on the other hand the development of(More)
N-4-Nitrobenzyl-beta-alanine was reacted with alkyl/arylsulfonyl halides, followed by conversion of the COOH to the CONHOH group. Structurally related compounds were obtained by reaction of N-4-nitrobenzyl-beta-alanine with aryl isocyanates, arylsulfonyl isocyanates or benzoyl isothiocyanate, followed by similar conversion of the COOH into the CONHOH(More)
A number of 22 lanthanide-containing coordination compounds of sulfonamides 2 and 3 were prepared and characterized by elemental analysis and spectroscopic data. The new compounds proved to be highly potent inhibitors of isozymes I and II of carbonic anhydrase.