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1.

GC-MS analysis of 4-hydroxyproline: elevated proline hydroxylation in metformin-associated lactic acidosis and metformin-treated Becker muscular dystrophy patients.

Baskal, Svetlana; Posma, Rene A; Bollenbach, Alexander; Dieperink, Willem; Bakker, Stephan J L; Nijsten, Maarten W; Touw, Daan J; Tsikas, Dimitrios.

Amino Acids; 56(1): 21, 2024 Mar 10.

Artículo en Inglés | MEDLINE | ID: mdl-38461423

2.

Acetazolamide and human carbonic anhydrases: retrospect, review and discussion of an intimate relationship.

Tsikas, Dimitrios.

J Enzyme Inhib Med Chem; 39(1): 2291336, 2024 Dec.

Artículo en Inglés | MEDLINE | ID: mdl-38078375

3.

Determination of N-Acetyl-L-cysteine Ethyl Ester (NACET) by Sequential Injection Analysis.

Kukoc-Modun, Lea; Kraljevic, Tomislav; Tsikas, Dimitrios; Spassov, Tony G; Kolev, Spas D.

Sensors (Basel); 24(2)2024 Jan 05.

Artículo en Inglés | MEDLINE | ID: mdl-38257405

4.

Application of the Bland-Altman and Receiver Operating Characteristic (ROC) Approaches to Study Isotope Effects in Gas Chromatography-Mass Spectrometry Analysis of Human Plasma, Serum and Urine Samples.

Tsikas, Dimitrios.

Molecules; 29(2)2024 Jan 11.

Artículo en Inglés | MEDLINE | ID: mdl-38257277

5.

Malondialdehyde-Induced Post-Translational Modification of Human Hemoglobin.

Tsikas, Dimitrios.

J Proteome Res; 22(6): 2141-2143, 2023 06 02.

Artículo en Inglés | MEDLINE | ID: mdl-37014105

6.

Homoarginine in health and disease.

Tsikas, Dimitrios.

Curr Opin Clin Nutr Metab Care; 26(1): 42-49, 2023 01 01.

Artículo en Inglés | MEDLINE | ID: mdl-36330857

7.

Determination of equilibria constants of arginine:glycine amidinotransferase (AGAT)-catalyzed reactions using concentrations of circulating amino acids.

Tsikas, Dimitrios.

Amino Acids; 55(2): 203-213, 2023 Feb.

Artículo en Inglés | MEDLINE | ID: mdl-36477890

8.

Amino acids, post-translational modifications, nitric oxide, and oxidative stress in serum and urine of long COVID and ex COVID human subjects.

Mikuteit, Marie; Baskal, Svetlana; Klawitter, Sandra; Dopfer-Jablonka, Alexandra; Behrens, Georg M N; Müller, Frank; Schröder, Dominik; Klawonn, Frank; Steffens, Sandra; Tsikas, Dimitrios.

Amino Acids; 55(9): 1173-1188, 2023 Sep.

Artículo en Inglés | MEDLINE | ID: mdl-37516715

9.

l-Arginine/nitric oxide pathway and oxidative stress in adults with ADHD: Effects of methylphenidate treatment.

Sinningen, Kathrin; Emons, Barbara; Böhme, Pierre; Juckel, Georg; Hanusch, Beatrice; Beckmann, Bibiana; Tsikas, Dimitrios; Lücke, Thomas.

Nitric Oxide; 138-139: 64-69, 2023 09 01.

Artículo en Inglés | MEDLINE | ID: mdl-37392928

10.

Endocannabinergic modulation of central serotonergic activity in healthy human volunteers.

Emons, Barbara; Arning, Larissa; Makulla, Vera-Estelle; Suchy, Maria-Theresia; Tsikas, Dimitrios; Lücke, Thomas; Epplen, Jörg T; Juckel, Georg; Roser, Patrik.

Ann Gen Psychiatry; 22(1): 11, 2023 Mar 17.

Artículo en Inglés | MEDLINE | ID: mdl-36932421

11.

Mass Spectrometry-Based Evaluation of the Bland-Altman Approach: Review, Discussion, and Proposal.

Tsikas, Dimitrios.

Molecules; 28(13)2023 Jun 21.

Artículo en Inglés | MEDLINE | ID: mdl-37446566

12.

GC-MS Studies on Nitric Oxide Autoxidation and S-Nitrosothiol Hydrolysis to Nitrite in pH-Neutral Aqueous Buffers: Definite Results Using ¹⁵N and ¹⁸O Isotopes.

Tsikas, Dimitrios.

Molecules; 28(11)2023 May 23.

Artículo en Inglés | MEDLINE | ID: mdl-37298756

13.

Pentafluoropropionic Anhydride Derivatization and GC-MS Analysis of Histamine, Agmatine, Putrescine, and Spermidine: Effects of Solvents and Starting Column Temperature.

Tsikas, Dimitrios; Beckmann, Bibiana; Baskal, Svetlana; Brunner, Gorig.

Molecules; 28(3)2023 Jan 17.

Artículo en Inglés | MEDLINE | ID: mdl-36770607

14.

Rat liver glutathione S-transferase-catalyzed conjugation of glutathione to the endogenous epoxides of oleic acid and cholesterol.

Tsikas, Dimitrios.

Anal Biochem; 644: 113994, 2022 05 01.

Artículo en Inglés | MEDLINE | ID: mdl-33080216

15.

Biotransformation of organic nitrates by glutathione S-transferases and other enzymes: An appraisal of the pioneering work by William B. Jakoby.

Tsikas, Dimitrios; Surdacki, Andrzej.

Anal Biochem; 644: 113993, 2022 05 01.

Artículo en Inglés | MEDLINE | ID: mdl-33080215

16.

Measurement of the tripeptides glutathione and ophthalmic acid by gas chromatography-mass spectrometry.

Bollenbach, Alexander; Tsikas, Dimitrios.

Anal Biochem; 644: 113841, 2022 05 01.

Artículo en Inglés | MEDLINE | ID: mdl-32721386

17.

N-Acetyl-L-cysteine in human rheumatoid arthritis and its effects on nitric oxide (NO) and malondialdehyde (MDA): analytical and clinical considerations.

Tsikas, Dimitrios; Mikuteit, Marie.

Amino Acids; 54(9): 1251-1260, 2022 Sep.

Artículo en Inglés | MEDLINE | ID: mdl-35829920

18.

Specific and sensitive GC-MS analysis of hypusine, N^Îµ-(4-amino-2-hydroxybutyl)lysine, a biomarker of hypusinated eukaryotic initiation factor eIF5A, and its application to the bi-ethnic ASOS study.

Baskal, Svetlana; Kaiser, Annette; Mels, Catharina; Kruger, Ruan; Tsikas, Dimitrios.

Amino Acids; 54(7): 1083-1099, 2022 Jul.

Artículo en Inglés | MEDLINE | ID: mdl-35243537

19.

Development, validation of a GC-MS method for the simultaneous measurement of amino acids, their PTM metabolites and AGEs in human urine, and application to the bi-ethnic ASOS study with special emphasis to lysine.

Baskal, Svetlana; Bollenbach, Alexander; Mels, Catharina; Kruger, Ruan; Tsikas, Dimitrios.

Amino Acids; 54(4): 615-641, 2022 Apr.

Artículo en Inglés | MEDLINE | ID: mdl-34251524

20.

Lysine and homoarginine are closely interrelated metabolites in the rat.

Baskal, Svetlana; Dimina, Laurianne; Tsikas, Stefanos A; Mosoni, Laurent; Remond, Didier; Mariotti, François; Tsikas, Dimitrios.

Amino Acids; 54(6): 967-976, 2022 Jun.

Artículo en Inglés | MEDLINE | ID: mdl-35352207

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GC-MS analysis of 4-hydroxyproline: elevated proline hydroxylation in metformin-associated lactic acidosis and metformin-treated Becker muscular dystrophy patients.

Acetazolamide and human carbonic anhydrases: retrospect, review and discussion of an intimate relationship.

Determination of N-Acetyl-L-cysteine Ethyl Ester (NACET) by Sequential Injection Analysis.

Application of the Bland-Altman and Receiver Operating Characteristic (ROC) Approaches to Study Isotope Effects in Gas Chromatography-Mass Spectrometry Analysis of Human Plasma, Serum and Urine Samples.

Malondialdehyde-Induced Post-Translational Modification of Human Hemoglobin.

Homoarginine in health and disease.

Determination of equilibria constants of arginine:glycine amidinotransferase (AGAT)-catalyzed reactions using concentrations of circulating amino acids.

Amino acids, post-translational modifications, nitric oxide, and oxidative stress in serum and urine of long COVID and ex COVID human subjects.

l-Arginine/nitric oxide pathway and oxidative stress in adults with ADHD: Effects of methylphenidate treatment.

Endocannabinergic modulation of central serotonergic activity in healthy human volunteers.

Mass Spectrometry-Based Evaluation of the Bland-Altman Approach: Review, Discussion, and Proposal.

GC-MS Studies on Nitric Oxide Autoxidation and S-Nitrosothiol Hydrolysis to Nitrite in pH-Neutral Aqueous Buffers: Definite Results Using ¹⁵N and ¹⁸O Isotopes.

Pentafluoropropionic Anhydride Derivatization and GC-MS Analysis of Histamine, Agmatine, Putrescine, and Spermidine: Effects of Solvents and Starting Column Temperature.

Rat liver glutathione S-transferase-catalyzed conjugation of glutathione to the endogenous epoxides of oleic acid and cholesterol.

Biotransformation of organic nitrates by glutathione S-transferases and other enzymes: An appraisal of the pioneering work by William B. Jakoby.

Measurement of the tripeptides glutathione and ophthalmic acid by gas chromatography-mass spectrometry.

N-Acetyl-L-cysteine in human rheumatoid arthritis and its effects on nitric oxide (NO) and malondialdehyde (MDA): analytical and clinical considerations.

Specific and sensitive GC-MS analysis of hypusine, N^Îµ-(4-amino-2-hydroxybutyl)lysine, a biomarker of hypusinated eukaryotic initiation factor eIF5A, and its application to the bi-ethnic ASOS study.

Development, validation of a GC-MS method for the simultaneous measurement of amino acids, their PTM metabolites and AGEs in human urine, and application to the bi-ethnic ASOS study with special emphasis to lysine.

Lysine and homoarginine are closely interrelated metabolites in the rat.