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Jankech T, Gerhardtova I, Majerova P, Piestansky J, Fialova L, Jampilek J, Kovac A. A Novel RP-UHPLC-MS/MS Approach for the Determination of Tryptophan Metabolites Derivatized with 2-Bromo-4'-Nitroacetophenone. Biomedicines 2024; 12:1003. [PMID: 38790965 PMCID: PMC11117999 DOI: 10.3390/biomedicines12051003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/26/2024] Open
Abstract
Many biologically active metabolites of the essential amino acid L-tryptophan (Trp) are associated with different neurodegenerative diseases and neurological disorders. Precise and reliable methods for their determination are needed. Variability in their physicochemical properties makes the analytical process challenging. In this case, chemical modification of analyte derivatization could come into play. Here, we introduce a novel fast reversed-phase ultra-high-performance liquid chromatography (RP-UHPLC) coupled with tandem mass spectrometry (MS/MS) method for the determination of Trp and its ten metabolites in human plasma samples after derivatization with 2-bromo-4'-nitroacetophenone (BNAP). The derivatization procedure was optimized in terms of incubation time, temperature, concentration, and volume of the derivatization reagent. Method development comprises a choice of a suitable stationary phase, mobile phase composition, and gradient elution optimization. The developed method was validated according to the ICH guidelines. Results of all validation parameters were within the acceptance criteria of the guideline, i.e., intra- and inter-day precision (expressed as relative standard deviation; RSD) were in the range of 0.5-8.2% and 2.3-7.4%, accuracy was in the range of 93.3-109.7% and 94.7-110.1%, limits of detection (LODs) were in the range of 0.15-9.43 ng/mL, coefficients of determination (R2) were higher than 0.9906, and carryovers were, in all cases, less than 8.8%. The practicability of the method was evaluated using the blue applicability grade index (BAGI) with a score of 65. Finally, the developed method was used for the analysis of Alzheimer's disease and healthy control plasma to prove its applicability. Statistical analysis revealed significant changes in picolinic acid (PA), anthranilic acid (AA), 5 hydroxyindole-3-acetic acid (5-OH IAA), and quinolinic acid (QA) concentration levels. This could serve as the basis for future studies that will be conducted with a large cohort of patients.
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Affiliation(s)
- Timotej Jankech
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia
| | - Ivana Gerhardtova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia
| | - Petra Majerova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
| | - Juraj Piestansky
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
- Department of Galenic Pharmacy, Faculty of Pharmacy, Comenius University Bratislava, Odbojarov 10, 832 32 Bratislava, Slovakia
| | - Lubica Fialova
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
| | - Josef Jampilek
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Ilkovicova 6, 842 15 Bratislava, Slovakia
| | - Andrej Kovac
- Institute of Neuroimmunology, Slovak Academy of Sciences, Dubravska Cesta 9, 845 10 Bratislava, Slovakia; (T.J.); (I.G.); (P.M.); (J.P.); (L.F.)
- Department of Pharmacology and Toxicology, University of Veterinary Medicine and Pharmacy in Kosice, Komenského 68/73, 041 81 Kosice, Slovakia
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2
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Sun Y, Saito K, Ushiki A, Abe M, Saito Y, Kashiwada T, Horimasu Y, Gemma A, Tatsumi K, Hattori N, Tsushima K, Takemoto K, Ishikawa R, Momiyama T, Matsuyama SI, Arakawa N, Akane H, Toyoda T, Ogawa K, Sato M, Takamatsu K, Mori K, Nishiya T, Izumi T, Ohno Y, Saito Y, Hanaoka M. Identification of kynurenine and quinolinic acid as promising serum biomarkers for drug-induced interstitial lung diseases. Respir Res 2024; 25:31. [PMID: 38221627 PMCID: PMC10788992 DOI: 10.1186/s12931-023-02653-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/24/2023] [Indexed: 01/16/2024] Open
Abstract
BACKGROUND Drug-induced interstitial lung disease (DILD) is a lung injury caused by various types of drugs and is a serious problem in both clinical practice and drug development. Clinical management of the condition would be improved if there were DILD-specific biomarkers available; this study aimed to meet that need. METHODS Biomarker candidates were identified by non-targeted metabolomics focusing on hydrophilic molecules, and further validated by targeted approaches using the serum of acute DILD patients, DILD recovery patients, DILD-tolerant patients, patients with other related lung diseases, and healthy controls. RESULTS Serum levels of kynurenine and quinolinic acid (and kynurenine/tryptophan ratio) were elevated significantly and specifically in acute DILD patients. The diagnostic potentials of these biomarkers were superior to those of conventional lung injury biomarkers, Krebs von den Lungen-6 and surfactant protein-D, in discriminating between acute DILD patients and patients with other lung diseases, including idiopathic interstitial pneumonia and lung diseases associated with connective tissue diseases. In addition to identifying and evaluating the biomarkers, our data showed that kynurenine/tryptophan ratios (an indicator of kynurenine pathway activation) were positively correlated with serum C-reactive protein concentrations in patients with DILD, suggesting the potential association between the generation of these biomarkers and inflammation. Our in vitro experiments demonstrated that macrophage differentiation and inflammatory stimulations typified by interferon gamma could activate the kynurenine pathway, resulting in enhanced kynurenine levels in the extracellular space in macrophage-like cell lines or lung endothelial cells. Extracellular quinolinic acid levels were elevated only in macrophage-like cells but not endothelial cells owing to the lower expression levels of metabolic enzymes converting kynurenine to quinolinic acid. These findings provide clues about the molecular mechanisms behind their specific elevation in the serum of acute DILD patients. CONCLUSIONS The serum concentrations of kynurenine and quinolinic acid as well as kynurenine/tryptophan ratios are promising and specific biomarkers for detecting and monitoring DILD and its recovery, which could facilitate accurate decisions for appropriate clinical management of patients with DILD.
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Affiliation(s)
- Yuchen Sun
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Kosuke Saito
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Atsuhito Ushiki
- First Department of Internal Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Mitsuhiro Abe
- Department of Respirology (B2), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8677, Japan
| | - Yoshinobu Saito
- Department of Pulmonary Medicine and Oncology, Graduate School of Medicine, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo, 113-8602, Japan
| | - Takeru Kashiwada
- Department of Pulmonary Medicine and Oncology, Graduate School of Medicine, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo, 113-8602, Japan
| | - Yasushi Horimasu
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima, Hiroshima, 734-8551, Japan
| | - Akihiko Gemma
- Department of Pulmonary Medicine and Oncology, Graduate School of Medicine, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo, 113-8602, Japan
| | - Koichiro Tatsumi
- Department of Respirology (B2), Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8677, Japan
| | - Noboru Hattori
- Department of Respiratory Medicine, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima, Hiroshima, 734-8551, Japan
| | - Kenji Tsushima
- Division of General Internal Medicine, Department of Internal Medicine, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa, 216-8511, Japan
| | - Kazuhisa Takemoto
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Rika Ishikawa
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Toshiko Momiyama
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Shin-Ichiro Matsuyama
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Noriaki Arakawa
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Hirotoshi Akane
- Division of Pathology, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Takeshi Toyoda
- Division of Pathology, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Kumiko Ogawa
- Division of Pathology, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan
| | - Motonobu Sato
- Astellas Pharma Inc., 21, Miyukigaoka, Tsukuba, Ibaraki, 305-8585, Japan
| | - Kazuhiko Takamatsu
- Astellas Pharma Inc., 21, Miyukigaoka, Tsukuba, Ibaraki, 305-8585, Japan
| | - Kazuhiko Mori
- Daiichi Sankyo RD Novare Co., Ltd., 1-16-13 Kitakasai, Edogawa-ku, Tokyo, 134-8630, Japan
| | - Takayoshi Nishiya
- Daiichi Sankyo RD Novare Co., Ltd., 1-16-13 Kitakasai, Edogawa-ku, Tokyo, 134-8630, Japan
| | - Takashi Izumi
- Kihara Memorial Yokohama Foundation, 1-6 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Yasuo Ohno
- Kihara Memorial Yokohama Foundation, 1-6 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa, 230-0045, Japan
| | - Yoshiro Saito
- Division of Medicinal Safety Science, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa, 210-9501, Japan.
| | - Masayuki Hanaoka
- First Department of Internal Medicine, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
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Arvinte A, Lungoci AL, Coroaba A, Pinteala M. Electrochemical Sensor for Tryptophan Determination Based on Trimetallic-CuZnCo-Nanoparticle-Modified Electrodes. Molecules 2023; 29:28. [PMID: 38202611 PMCID: PMC10779962 DOI: 10.3390/molecules29010028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/05/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
The superior properties of electrodeposited trimetallic CuZnCo nanoparticles, arising from the synergistic effect of combining the unique features of metallic components, were confirmed using voltametric measurements. The surface morphology and structure of the as-prepared electrocatalysts were determined using scanning electron microscopy, energy-dispersive X-ray, and X-ray photoelectron spectroscopy techniques. Here, the trimetallic CuZnCo nanoparticles were synthesized as a powerful redox probe and highly efficient signal amplifier for the electrochemical oxidation of tryptophan. Differential pulse voltammetry studies showed a linear relationship with a tryptophan concentration of 5-230 μM, and the low detection limit was identified at 1.1 μM with a sensitivity of 0.1831 μA μM-1 cm-2.
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Affiliation(s)
- Adina Arvinte
- “Petru Poni” Institute of Macromolecular Chemistry, Centre of Advanced Research in Bionanoconjugates and Biopolymers, Grigore Ghica Voda Alley 41A, 700487 Iasi, Romania (A.C.); (M.P.)
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Dora K, Tsukamoto H, Suga T, Tomoo K, Suzuki A, Adachi Y, Takeshita M, Kato Y, Kawasaki M, Sato W, Imaizumi A, Karakawa S, Uchida H, Hashimoto T. Essential amino acid supplements ingestion has a positive effect on executive function after moderate-intensity aerobic exercise. Sci Rep 2023; 13:22644. [PMID: 38114553 PMCID: PMC10730626 DOI: 10.1038/s41598-023-49781-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023] Open
Abstract
Aerobic exercise acutely improves cognitive function (e.g., executive function (EF); memory recognition (MR)) and increases circulating brain-derived neurotrophic factor (BDNF). In addition, branched-chain amino acids (BCAA) ingestion acutely shortens the choice reaction time and increases brain BDNF. We examined whether the ingestion of essential amino acid (EAA) supplements (mainly composed of BCAA) would positively impact on cognitive function and circulating BDNF after moderate-intensity aerobic exercise. Twenty-two healthy young men received either an EAA supplements or the placebo (PL) 30 min before undergoing aerobic exercise. The participants performed a cycling exercise at 60% of peak oxygen uptake for 30 min. EF after aerobic exercise was better after the EAA treatment than after the PL treatment (P = 0.02). MR (P = 0.38 for response accuracy; P = 0.15 for reaction time) and circulating BDNF (P = 0.59) were not altered by EAA supplements. EF improvement was correlated with increases in some amino acids (leucine, isoleucine, valine, lysine, phenylalanine; all Ps < 0.05) that are potential substrates for synthesizing neurotransmitters in the brain. These results suggest that EAA supplements ingestion had a positive effect on EF after moderate-intensity aerobic exercise, while MR and BDNF were not altered.
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Affiliation(s)
- Kento Dora
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
- Department of Biomedical Engineering, Toyo University, Kawagoe, Saitama, Japan
| | - Hayato Tsukamoto
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
- Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan
| | - Tadashi Suga
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Keigo Tomoo
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
| | - Asuka Suzuki
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
| | - Yusuke Adachi
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Masamichi Takeshita
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Yumiko Kato
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Mika Kawasaki
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Wataru Sato
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Akira Imaizumi
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Sachise Karakawa
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki, Kanagawa, Japan
| | - Hirohisa Uchida
- Sports Nutrition Department, Ajinomoto Co., Inc., Chuo-ku, Tokyo, Japan
| | - Takeshi Hashimoto
- Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
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Ogawa Y, Nishimura K, Obara K, Kamura T. Development of AlissAID system targeting GFP or mCherry fusion protein. PLoS Genet 2023; 19:e1010731. [PMID: 37315088 DOI: 10.1371/journal.pgen.1010731] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 04/04/2023] [Indexed: 06/16/2023] Open
Abstract
Conditional control of target proteins using the auxin-inducible degron (AID) system provides a powerful tool for investigating protein function in eukaryotes. Here, we established an Affinity-linker based super-sensitive auxin-inducible degron (AlissAID) system in budding yeast by using a single domain antibody (a nanobody). In this system, target proteins fused with GFP or mCherry were degraded depending on a synthetic auxin, 5-Adamantyl-IAA (5-Ad-IAA). In AlissAID system, nanomolar concentration of 5-Ad-IAA induces target degradation, thus minimizing the side effects from chemical compounds. In addition, in AlissAID system, we observed few basal degradations which was observed in other AID systems including ssAID system. Furthermore, AlissAID based conditional knockdown cell lines are easily generated by using budding yeast GFP Clone Collection. Target protein, which has antigen recognition sites exposed in cytosol or nucleus, can be degraded by the AlissAID system. From these advantages, the AlissAID system would be an ideal protein-knockdown system in budding yeast cells.
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Affiliation(s)
- Yoshitaka Ogawa
- Department of Biological Science, Division of Natural Science, Graduate School of Science, Nagoya University, Nagoya, Japan
| | - Kohei Nishimura
- Department of Biological Science, Division of Natural Science, Graduate School of Science, Nagoya University, Nagoya, Japan
| | - Keisuke Obara
- Department of Biological Science, Division of Natural Science, Graduate School of Science, Nagoya University, Nagoya, Japan
| | - Takumi Kamura
- Department of Biological Science, Division of Natural Science, Graduate School of Science, Nagoya University, Nagoya, Japan
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Nadour Z, Simian C, Laprévote O, Loriot MA, Larabi IA, Pallet N. Validation of a liquid chromatography coupled to tandem mass spectrometry method for simultaneous quantification of tryptophan and 10 key metabolites of the kynurenine pathway in plasma and urine: Application to a cohort of acute kidney injury patients. Clin Chim Acta 2022; 534:115-127. [PMID: 35870540 DOI: 10.1016/j.cca.2022.07.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/30/2022] [Accepted: 07/11/2022] [Indexed: 11/29/2022]
Abstract
A sensitive and rapid liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the simultaneous determination of tryptophan (Trp) and ten metabolites of kynurenine pathway, including kynurenine (Kyn), 3-hydroxy-kynurenine (3-HK), kynurenic acid (KA), xanthurenic acid (XA), 3-Hydroxy-anthranilic acid (3-HANA), quinolinic acid (QA), nicotinic acid mononucleotide (NaMN), picolinic acid (Pic), nicotinamide (NAM) and nicotinic acid (NA) in both plasma and urine. This LC-MS/MS method was used to predict the occurrence of acute kidney injury (AKI) in a cohort of patients with cardiac surgery under cardiopulmonary bypass (CPB). Urinary concentrations of Pic, as well as Pic to Trp and Pic to 3-HANA ratios were highly predictive of an AKI episode the week after CPB, indicating that Pic could be a predictive biomarker of AKI. Thus, monitoring the kynurenine pathway activity with this LC-MS/MS method is a clinically relevant tool to identify new biomarkers of kidney injury.
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Affiliation(s)
- Zahia Nadour
- Department of Clinical Chemistry, Georges Pompidou European Hospital, AP-HP, 20 rue Leblanc, 75015 Paris, France; Paris University, INSERM UMRS1138, Centre de Recherche des Cordeliers, 15 rue de l'Ecole de médecine, 75006 Paris, France.
| | - Christophe Simian
- Department of Clinical Chemistry, Georges Pompidou European Hospital, AP-HP, 20 rue Leblanc, 75015 Paris, France
| | - Olivier Laprévote
- Department of Clinical Chemistry, Georges Pompidou European Hospital, AP-HP, 20 rue Leblanc, 75015 Paris, France
| | - Marie-Anne Loriot
- Department of Clinical Chemistry, Georges Pompidou European Hospital, AP-HP, 20 rue Leblanc, 75015 Paris, France; Paris University, INSERM UMRS1138, Centre de Recherche des Cordeliers, 15 rue de l'Ecole de médecine, 75006 Paris, France
| | - Islam Amine Larabi
- Department of Pharmacology and Toxicology, Paris-Saclay University (Versailles Saint-Quentin-En-Yvelines University), Inserm U-1173, Raymond Poincaré Hospital, AP-HP, 104 Boulevard Raymond Poincaré, 92380 Garches, France
| | - Nicolas Pallet
- Department of Clinical Chemistry, Georges Pompidou European Hospital, AP-HP, 20 rue Leblanc, 75015 Paris, France; Paris University, INSERM UMRS1138, Centre de Recherche des Cordeliers, 15 rue de l'Ecole de médecine, 75006 Paris, France
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7
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Umeda K, Shindo D, Somekawa S, Nishitani S, Sato W, Toyoda S, Karakawa S, Kawasaki M, Mine T, Suzuki K. Effects of Five Amino Acids (Serine, Alanine, Glutamate, Aspartate, and Tyrosine) on Mental Health in Healthy Office Workers: A Randomized, Double-Blind, Placebo-Controlled Exploratory Trial. Nutrients 2022; 14:nu14112357. [PMID: 35684157 PMCID: PMC9183184 DOI: 10.3390/nu14112357] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/04/2022] Open
Abstract
Background: The importance of maintaining good mental health with overall well-being has recently drawn attention from various spheres of academics and the working population. Amino acid intake has been reported to reduce depression symptoms and other mental health problems. However, the effectiveness of amino acid intake (i.e., single or combined) remains unknown. In this study, we assessed a combination of five amino acids (serine, alanine, glutamate, aspartate, and tyrosine; SAGAT) reported to regulate mental health. Methods: A randomized, double-blind, placebo-controlled exploratory trial was conducted. Participants, aged between 20 and 65 years with fatigue sensation, were randomized to receive either SAGAT or the placebo and ingested them for four weeks. A transient mental work was loaded at day 0 and after four weeks of intervention. As the primary outcomes, the fatigue sensation was assessed. The mood status, cognitive function, work efficiency, and blood marker were also measured as secondary outcomes. Results: The number of participants analyzed for the efficacy evaluation were 20 in SAGAT and 22 in the placebo. There were no significant differences in the primary outcomes. However, as the secondary outcomes, the SAGAT group showed a significant improvement in motivation and cognitive function in the recovery period after mental work loaded in a four-week intervention compared to the placebo. Conclusion: The current findings suggest that SAGAT contributes to maintaining proper motivation and cognitive function. Clinical Trial Registration: University Hospital Medical Information Network Clinical Trial Registry (ID: UMIN 000041221).
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Affiliation(s)
- Kentaro Umeda
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (D.S.); (S.S.); (S.N.)
- Correspondence: (K.U.); (K.S.)
| | - Daichi Shindo
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (D.S.); (S.S.); (S.N.)
| | - Shinji Somekawa
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (D.S.); (S.S.); (S.N.)
| | - Shinobu Nishitani
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (D.S.); (S.S.); (S.N.)
| | - Wataru Sato
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (W.S.); (S.T.); (S.K.); (M.K.)
| | - Sakiko Toyoda
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (W.S.); (S.T.); (S.K.); (M.K.)
| | - Sachise Karakawa
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (W.S.); (S.T.); (S.K.); (M.K.)
| | - Mika Kawasaki
- Research Institute for Bioscience Products & Fine Chemicals, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (W.S.); (S.T.); (S.K.); (M.K.)
| | - Tomoyuki Mine
- Research & Business Planning Department, Ajinomoto Co., Inc., Tokyo 104-8315, Japan;
| | - Katsuya Suzuki
- Institute of Food Sciences and Technologies, Ajinomoto Co., Inc., Kawasaki 210-8681, Japan; (D.S.); (S.S.); (S.N.)
- Correspondence: (K.U.); (K.S.)
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8
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Azuma K, Xiang H, Tagami T, Kasajima R, Kato Y, Karakawa S, Kikuchi S, Imaizumi A, Matsuo N, Ishii H, Tokito T, Kawahara A, Murotani K, Sasada T, Miyagi Y, Hoshino T. Clinical significance of plasma-free amino acids and tryptophan metabolites in patients with non-small cell lung cancer receiving PD-1 inhibitor: a pilot cohort study for developing a prognostic multivariate model. J Immunother Cancer 2022; 10:jitc-2021-004420. [PMID: 35569917 PMCID: PMC9109096 DOI: 10.1136/jitc-2021-004420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2022] [Indexed: 12/18/2022] Open
Abstract
Background Amino acid metabolism is essential for tumor cell proliferation and regulation of immune cell function. However, the clinical significance of free amino acids (plasma-free amino acids (PFAAs)) and tryptophan-related metabolites in plasma has not been fully understood in patients with non-small cell lung cancer (NSCLC) who receive immune checkpoint inhibitors. Methods We conducted a single cohort observational study. Peripheral blood samples were collected from 53 patients with NSCLC before treatment with PD-1 (Programmed cell death-1) inhibitors. The plasma concentrations of 21 PFAAs, 14 metabolites, and neopterin were measured by liquid chromatography–mass spectrometry. Using Cox hazard analysis with these variables, a multivariate model was established to stratify patient overall survival (OS). Gene expression in peripheral blood mononuclear cells (PBMCs) was compared between the high-risk and low-risk patients by this multivariate model. Results On Cox proportional hazard analysis, higher concentrations of seven PFAAs (glycine, histidine, threonine, alanine, citrulline, arginine, and tryptophan) as well as lower concentrations of three metabolites (3h-kynurenine, anthranilic acid, and quinolinic acid) and neopterin in plasma were significantly correlated with better OS (p<0.05). In particular, the multivariate model, composed of a combination of serine, glycine, arginine, and quinolinic acid, could most efficiently stratify patient OS (concordance index=0.775, HR=3.23, 95% CI 2.04 to 5.26). From the transcriptome analysis in PBMCs, this multivariate model was significantly correlated with the gene signatures related to immune responses, such as CD8 T-cell activation/proliferation and proinflammatory immune responses, and 12 amino acid-related genes were differentially expressed between the high-risk and low-risk groups. Conclusions The multivariate model with PFAAs and metabolites in plasma might be useful for stratifying patients who will benefit from PD-1 inhibitors.
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Affiliation(s)
- Koichi Azuma
- Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Huihui Xiang
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama, Japan
| | - Tomoyuki Tagami
- Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co Inc, Kawasaki, Japan
| | - Rika Kasajima
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama, Japan
| | - Yumiko Kato
- Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co Inc, Kawasaki, Japan
| | - Sachise Karakawa
- Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co Inc, Kawasaki, Japan
| | - Shinya Kikuchi
- Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co Inc, Kawasaki, Japan
| | - Akira Imaizumi
- Research Institute for Bioscience Products and Fine Chemicals, Ajinomoto Co Inc, Kawasaki, Japan
| | - Norikazu Matsuo
- Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Hidenobu Ishii
- Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Takaaki Tokito
- Division of Respirology, Neurology, and Rheumatology, Department of Internal Medicine, Kurume University School of Medicine, Kurume, Japan
| | - Akihiko Kawahara
- Department of Diagnostic Pathology, Kurume University Hospital, Kurume, Japan
| | - Kenta Murotani
- Biostatistics Center, Kurume University School of Medicine, Kurume, Japan
| | - Tetsuro Sasada
- Division of Cancer Immunotherapy, Kanagawa Cancer Center Research Institute, Yokohama, Japan
| | - Yohei Miyagi
- Molecular Pathology and Genetics Division, Kanagawa Cancer Center Research Institute, Yokohama, Japan
| | - Tomoaki Hoshino
- Division of Respirology, Neurology, and Rheumatology Department of Internal Medicine, Kurume University School of Medicine, Kurume, Japan
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9
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Gáspár R, Halmi D, Demján V, Berkecz R, Pipicz M, Csont T. Kynurenine Pathway Metabolites as Potential Clinical Biomarkers in Coronary Artery Disease. Front Immunol 2022; 12:768560. [PMID: 35211110 PMCID: PMC8861075 DOI: 10.3389/fimmu.2021.768560] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/22/2021] [Indexed: 12/14/2022] Open
Abstract
Coronary artery disease (CAD) is one of the leading cause of mortality worldwide. Several risk factors including unhealthy lifestyle, genetic background, obesity, diabetes, hypercholesterolemia, hypertension, smoking, age, etc. contribute to the development of coronary atherosclerosis and subsequent coronary artery disease. Inflammation plays an important role in coronary artery disease development and progression. Pro-inflammatory signals promote the degradation of tryptophan via the kynurenine pathway resulting in the formation of several immunomodulatory metabolites. An unbalanced kynurenic pathway has been implicated in the pathomechanisms of various diseases including CAD. Significant improvements in detection methods in the last decades may allow simultaneous measurement of multiple metabolites of the kynurenine pathway and such a thorough analysis of the kynurenine pathway may be a valuable tool for risk stratification and determination of CAD prognosis. Nevertheless, imbalance in the activities of different branches of the kynurenine pathway may require careful interpretation. In this review, we aim to summarize clinical evidence supporting a possible use of kynurenine pathway metabolites as clinical biomarkers in various manifestations of CAD.
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Affiliation(s)
- Renáta Gáspár
- Metabolic Diseases and Cell Signaling Research Group (MEDICS), Department of Biochemistry, University of Szeged Albert Szent-Györgyi Medical School, Szeged, Hungary.,Interdisciplinary Centre of Excellence, University of Szeged, Szeged, Hungary
| | - Dóra Halmi
- Metabolic Diseases and Cell Signaling Research Group (MEDICS), Department of Biochemistry, University of Szeged Albert Szent-Györgyi Medical School, Szeged, Hungary.,Interdisciplinary Centre of Excellence, University of Szeged, Szeged, Hungary
| | - Virág Demján
- Metabolic Diseases and Cell Signaling Research Group (MEDICS), Department of Biochemistry, University of Szeged Albert Szent-Györgyi Medical School, Szeged, Hungary.,Interdisciplinary Centre of Excellence, University of Szeged, Szeged, Hungary
| | - Róbert Berkecz
- Institute of Pharmaceutical Analysis, Faculty of Pharmacy, University of Szeged, Szeged, Hungary
| | - Márton Pipicz
- Metabolic Diseases and Cell Signaling Research Group (MEDICS), Department of Biochemistry, University of Szeged Albert Szent-Györgyi Medical School, Szeged, Hungary.,Interdisciplinary Centre of Excellence, University of Szeged, Szeged, Hungary
| | - Tamás Csont
- Metabolic Diseases and Cell Signaling Research Group (MEDICS), Department of Biochemistry, University of Szeged Albert Szent-Györgyi Medical School, Szeged, Hungary.,Interdisciplinary Centre of Excellence, University of Szeged, Szeged, Hungary
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10
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Sato H, Takado Y, Toyoda S, Tsukamoto-Yasui M, Minatohara K, Takuwa H, Urushihata T, Takahashi M, Shimojo M, Ono M, Maeda J, Orihara A, Sahara N, Aoki I, Karakawa S, Isokawa M, Kawasaki N, Kawasaki M, Ueno S, Kanda M, Nishimura M, Suzuki K, Mitsui A, Nagao K, Kitamura A, Higuchi M. Neurodegenerative processes accelerated by protein malnutrition and decelerated by essential amino acids in a tauopathy mouse model. SCIENCE ADVANCES 2021; 7:eabd5046. [PMID: 34678069 PMCID: PMC8535828 DOI: 10.1126/sciadv.abd5046] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Protein malnutrition is epidemiologically suggested as a potential risk factor for senile dementia, although molecular mechanisms linking dietary proteins and amino acids to neurodegeneration remain unknown. Here, we show that a low-protein diet resulted in down-regulated expression of synaptic components and a modest acceleration of brain atrophy in mice modeling neurodegenerative tauopathies. Notably, these abnormal phenotypes were robustly rescued by the administration of seven selected essential amino acids. The up-regulation of inflammation-associated gene expression and progressive brain atrophy in the tauopathy model were profoundly suppressed by treatment with these essential amino acids without modifications of tau depositions. Moreover, the levels of kynurenine, an initiator of a pathway inducing neuroinflammatory gliosis and neurotoxicity in the brain, were lowered by treatment through inhibition of kynurenine uptake in the brain. Our findings highlight the importance of specific amino acids as systemic mediators of brain homeostasis against neurodegenerative processes.
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Affiliation(s)
- Hideaki Sato
- Ajinomoto Co., Inc., Kawasaki 210-8681, Japan
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Yuhei Takado
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | | | | | - Keiichiro Minatohara
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
- Department of Cellular Neurobiology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
| | - Hiroyuki Takuwa
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Takuya Urushihata
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Manami Takahashi
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Masafumi Shimojo
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Maiko Ono
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Jun Maeda
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Asumi Orihara
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Naruhiko Sahara
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | - Ichio Aoki
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
| | | | | | | | | | - Satoko Ueno
- Ajinomoto Co., Inc., Kawasaki 210-8681, Japan
| | | | | | | | | | - Kenji Nagao
- Ajinomoto Co., Inc., Kawasaki 210-8681, Japan
| | - Akihiko Kitamura
- Ajinomoto Co., Inc., Kawasaki 210-8681, Japan
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
- Corresponding author. (M.H.); (A.K.)
| | - Makoto Higuchi
- Department of Functional Brain Imaging, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Sciences and Technology, Chiba 263-8555, Japan
- Corresponding author. (M.H.); (A.K.)
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11
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Freitas RC, Orzari LO, Ferreira LM, Paixão TR, Coltro WK, Vicentini FC, Janegitz BC. Electrochemical determination of melatonin using disposable self-adhesive inked paper electrode. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115550] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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12
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MIYANO H, NAKAYAMA A. Development of Precolumn Derivatization–LC/MS for Amino-Acid-Focused Metabolomics. CHROMATOGRAPHY 2021. [DOI: 10.15583/jpchrom.2020.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Simultaneous Analysis of d,l-Amino Acids in Human Urine Using a Chirality-Switchable Biaryl Axial Tag and Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry. Symmetry (Basel) 2020. [DOI: 10.3390/sym12060913] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Although d,l-amino acids are symmetrical molecules, l-isomers are generally dominant in living organisms. However, it has been found that some d-amino acids also have biological functions. A new method for simultaneously analyzing d,l-amino acids in biological samples is required to allow unknown functions of d-amino acids to be investigated. d-Amino acids in urine are currently receiving increasing amounts of attention, particularly for screening for chronic kidney diseases. However, simultaneously analyzing d,l-amino acids in human urine is challenging because of interfering unknown compounds in urine. In this study, the axially chiral derivatizing agent (R)-4-nitrophenyl-N-[2-(diethylamino)-6,6-dimethyl-[1,1-biphenyl]-2-yl] carbamate hydrochloride was used to allow enantiomers of amino acids in human urine to be simultaneously determined by liquid chromatography electrospray ionization tandem mass spectrometry. The optimized method gave good linearities, precision results, and recoveries for 18 proteinogenic amino acids and their enantiomers and glycine. The chiral-switching method using (S)-4-nitrophenyl-N-[2-(diethylamino)-6, 6-dimethyl-[1,1-biphenyl]-2-yl]carbamate hydrochloride confirmed the expected concentrations of 32 of the 37 analytes. The method was successfully used to determine the concentrations of d-serine, d-alanine, d-asparagine, d-allothreonine, d-lysine, and the d-isomers of 10 other amino acids in five human volunteer urine samples.
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14
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Fujiwara T, Hattori A, Ito T, Funatsu T, Tsunoda M. Analysis of intracellular α-keto acids by HPLC with fluorescence detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2555-2559. [PMID: 32930281 DOI: 10.1039/d0ay00556h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Branched-chain keto acids and branched-chain amino acids are metabolites of branched-chain amino acid aminotransferases (BCATs), which catalyzes reversible transamination between them. We found that BCAT1 plays an important role in the progression of myeloid leukaemia, and a method for the analysis of intracellular α-keto acids including branched-chain keto acids was necessary to further investigate their role. In this study, we developed a method to analyze six α-keto acids (α-ketoglutaric acid (KG), pyruvic acid, α-ketobutyric acid, α-ketoisovaleric acid, α-ketoisocaproic acid, and α-keto-β-methylvaleric acid) in K562 cells by HPLC with fluorescence detection, using 1,2-diamino-4,5-methylenedioxybenzene (DMB) as a derivatization reagent. Because split peaks of DMB-KG were observed when injection samples were too acidic, the derivatization solution was diluted with NaOH solution to obtain a single peak. Limits of detection and limits of quantification were 1.3-5.4 nM and 4.2-18 nM, respectively. Intracellular concentrations of α-keto acids were 1.55-316 pmol/1 × 106 K562 cells. The developed method realized reproducible and sensitive analysis of intracellular α-keto acids. Thus, the method could be used to elucidate the role of BCAT in myeloid leukaemia.
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Affiliation(s)
- Takuya Fujiwara
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo 113-0033, Japan.
| | - Ayuna Hattori
- Division of Hematological Malignancy, National Cancer Center Research Institute, Tokyo 104-0045, Japan
| | - Takahiro Ito
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
- Department of Biochemistry & Molecular Biology, University of Georgia, Athens 30602, USA
| | - Takashi Funatsu
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo 113-0033, Japan.
| | - Makoto Tsunoda
- Graduate School of Pharmaceutical Sciences, University of Tokyo, Tokyo 113-0033, Japan.
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