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Onozato M, Horinouchi M, Yoshiba Y, Sakamoto T, Sugasawa H, Fukushima T. Determination of Imidazole Dipeptides and Related Amino Acids in Natural Seafoods by Liquid Chromatography-Tandem Mass Spectrometry Using a Pre-Column Derivatization Reagent. Foods 2024; 13:1951. [PMID: 38928892 PMCID: PMC11202704 DOI: 10.3390/foods13121951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/12/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
Imidazole dipeptides (IDPs) and taurine (Tau) have several health benefits and are known to be contained in natural seafoods. However, their levels vary widely in different natural seafoods, making their simultaneous determination desirable. Herein, we employ a liquid chromatography-tandem mass spectrometry approach using a novel amino group derivatization reagent, succinimidyl 2-(3-((benzyloxy)carbonyl)-1-methyl-5-oxoimidazolidin-4-yl) acetate ((R)-CIMa-OSu), for the simultaneous quantification of IDPs (carnosine (Car) and anserine (Ans)), their related amino acids, and Tau in natural seafoods. Each seafood sample contained different concentrations of IDPs (Car: ND to 1.48 mmol/100 g-wet, Ans: ND to 4.67 mmol/100 g-wet). The Car levels were considerably higher in eel, while Tau was more abundant in squid, boiled octopus, and scallop. Thus, the derivatization reagent (R)-CIMa-OSu provides a new approach to accurately assess the nutritional composition of seafoods, thereby providing valuable insight into its dietary benefits.
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Affiliation(s)
| | | | | | | | | | - Takeshi Fukushima
- Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi-shi 274-8510, Chiba, Japan; (M.O.); (M.H.); (Y.Y.); (T.S.); (H.S.)
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Li H, Liu Y, Wang X, Xu C, Zhang X, Zhang J, Lin L, Niu Q. miR-128-3p is involved in aluminum-induced cognitive impairment by regulating the Sirt1-Keap1/Nrf2 pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115966. [PMID: 38219620 DOI: 10.1016/j.ecoenv.2024.115966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 01/05/2024] [Accepted: 01/07/2024] [Indexed: 01/16/2024]
Abstract
Aluminum (Al) is a common neurotoxicant in the environment, but the molecular mechanism of its toxic effects is still unclear. Studies have shown that aluminum exposure causes an increase in neuronal apoptosis. The aim of this study was to investigate the mechanism and signaling pathway of neuronal apoptosis induced by aluminum exposure. The rat model was established by intraperitoneal injection of maltol aluminum for 90 days. The results showed that the escape latency of the three groups exposed to maltol aluminum was higher than that of the control group on the 3rd, 4th and 5th days of the positioning cruise experiment (P < 0.05). On the 6th day of the space exploration experiment, compared with the control group(6.00 ± 0.71,15.33 ± 1.08) and the low-dose group(5.08 ± 1.69,13.67 ± 1.09), the number of times that the high-dose group crossed the platform(2.25 ± 0.76) and the platform quadrant(7.58 ± 1.43) was significantly reduced (P < 0.01). The relative expression levels of Sirt1 and Nrf2 in hippocampal tissues of all groups decreased gradually with increasing maltol aluminum exposure dose the relative expression levels of Sirt1 and Nrf2 in high-dose group (0.261 ± 0.094,0.325 ± 0.108) were significantly lower than those in control group (1.018 ± 0.222,1.009 ± 0.156)(P < 0.05). The relative expression level of Keap1 increased gradually with increasing maltol aluminum exposure dose (P < 0.05). The relative expression level of miR-128-3p in the high-dose group(1.520 ± 0.280) was significantly higher than that in the control group(1.000 ± 0.420) (P < 0.05). The content of GSH-Px in the hippocampus of rats decreased with increasing dose. ROS levels gradually increased. We speculated that subchronic aluminum exposure may lead to the activation of miR-128-3p in rat hippocampus of rats, thereby inhibiting the Sirt1-Keap1/Nrf2 pathway so that the Sirt1-Keap1/Nrf2 pathway could not be activated to exert antioxidant capacity, resulting in an imbalance in the antioxidant system of rats and the apoptosis of neurons, which caused reduced cognitive impairment in rats.
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Affiliation(s)
- Huan Li
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China; Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China.
| | - Yan Liu
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China; Department of Occupational Health, School of Public Health, Binzhou Medical University, Binzhou, China
| | - Xiangmeng Wang
- Department of Osteoarthrosis, Jining Second People's Hospital, Jining, China
| | - Chaoqun Xu
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China
| | - Xiaoyu Zhang
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China
| | - Jing Zhang
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China; Department of Occupational Health, School of Public Health, Binzhou Medical University, Binzhou, China
| | - Li Lin
- Department of Occupational Health, School of Public Health, Jining Medical University, Jining, China; Department of Occupational Health, School of Public Health, Binzhou Medical University, Binzhou, China
| | - Qiao Niu
- Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, China; Department of Occupational Health, School of Public Health, Xuzhou Medical University, Xuzhou, China.
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Creighton JV, de Souza Gonçalves L, Artioli GG, Tan D, Elliott-Sale KJ, Turner MD, Doig CL, Sale C. Physiological Roles of Carnosine in Myocardial Function and Health. Adv Nutr 2022; 13:1914-1929. [PMID: 35689661 PMCID: PMC9526863 DOI: 10.1093/advances/nmac059] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/25/2022] [Accepted: 06/08/2022] [Indexed: 01/28/2023] Open
Abstract
Carnosine is a pleiotropic histidine-containing dipeptide synthesized from β-alanine and l-histidine, with the intact dipeptide and constituent amino acids being available from the diet. The therapeutic application of carnosine in myocardial tissue is promising, with carnosine playing a potentially beneficial role in both healthy and diseased myocardial models. This narrative review discusses the role of carnosine in myocardial function and health, including an overview of the metabolic pathway of carnosine in the myocardial tissue, the roles carnosine may play in the myocardium, and a critical analysis of the literature, focusing on the effect of exogenous carnosine and its precursors on myocardial function. By so doing, we aim to identify current gaps in the literature, thereby identifying considerations for future research.
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Affiliation(s)
- Jade V Creighton
- Musculoskeletal Physiology Research Group, Sport, Health, and Performance Enhancement (SHAPE) Research Centre, School of Science and Technology, Nottingham Trent University, Clifton, Nottingham, United Kingdom
| | | | - Guilherme G Artioli
- Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom
| | - Di Tan
- Natural Alternatives International, Inc., Carlsbad, CA, USA
| | - Kirsty J Elliott-Sale
- Musculoskeletal Physiology Research Group, Sport, Health, and Performance Enhancement (SHAPE) Research Centre, School of Science and Technology, Nottingham Trent University, Clifton, Nottingham, United Kingdom,Department of Sport and Exercise Sciences, Institute of Sport, Manchester Metropolitan University, Manchester, United Kingdom
| | - Mark D Turner
- Centre for Diabetes, Chronic Diseases, and Ageing, School of Science and Technology, Nottingham Trent University, Clifton, Nottingham, United Kingdom
| | - Craig L Doig
- Centre for Diabetes, Chronic Diseases, and Ageing, School of Science and Technology, Nottingham Trent University, Clifton, Nottingham, United Kingdom
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de Salazar L, Segarra I, López-Román FJ, Torregrosa-García A, Pérez-Piñero S, Ávila-Gandía V. Increased Bioavailability of β-Alanine by a Novel Controlled-Release Powder Blend Compared to a Slow-Release Tablet. Pharmaceutics 2021; 13:1517. [PMID: 34575593 PMCID: PMC8467909 DOI: 10.3390/pharmaceutics13091517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/03/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND β-Alanine is a sport supplement with increasing popularity due to its consistent ability to improve physical performance, with the downside of requiring several weeks of supplementation as imposed to the maximum daily and single dose tolerated without side effects (i.e., paresthesia). To date, the only alternative to overcome this problem has been use of a sustained-release tablet, while powders are the most commonly used format to deliver several grams of amino acids in a single dose. In this study we assessed the bioavailability, pharmacokinetics and paresthesia effect of β-alanine after administration in a novel controlled-released powder blend (test) versus a sustained-release tablet (reference). METHODS Twelve subjects (25.6 ± 3.2 y, 50% female) participated in a randomized, single-blind, crossover study. Each participant was administered orally the test (β-alanine 8 g, l-histidine 300 mg, carnosine 100 mg) or the reference product (10 tablets to reach β-alanine 8 g, Zinc 20 mg) with a 1-week washout period. β-Alanine plasma concentrations (0-8 h) were determined by LC-MS/MS and model-independent pharmacokinetic analysis was carried out. Paresthesia intensity was evaluated using a Visual Analog Score (VAS) and the categorical Intensity Sensory Score (ISS). RESULTS The CMAX and AUC0→∞ increased 1.6- and 2.1-fold (both p < 0.001) in the test product, respectively, which yielded 2.1-fold higher bioavailability; Ka decreased in the test (0.0199 ± 0.0107 min-1) versus the reference (0.0299 ± 0.0121 min-1) product (p = 0.0834) as well as V/F and Cl/F (both p < 0.001); MRT0→last increased in the test (143 ± 19 min) versus reference (128 ± 16 min) formulation (p = 0.0449); t1/2 remained similar (test: 63.5 ± 8.7 min, reference: 68.9 ± 9.8 min). Paresthesia EMAX increased 1.7-fold using the VAS (p = 0.086) and the ISS (p = 0.009). AUEC increased 1.9-fold with the VAS (p = 0.107) and the ISS (p = 0.019) reflecting scale intrinsic differences. Pharmacokinetic-pharmacodynamic analysis showed a clockwise hysteresis loop without prediction ability between CMAX, AUC0→∞ and EMAX or AUEC. No side effects were reported (except paresthesia). CONCLUSIONS The novel controlled-release powder blend shows 100% higher bioavailability of β-alanine, opening a new paradigm that shifts from chronic to short or mid-term supplementation strategies to increase carnosine stores in sports nutrition.
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Affiliation(s)
- Lydia de Salazar
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain; (L.d.S.); (S.P.-P.); (V.Á.-G.)
| | - Ignacio Segarra
- Department of Pharmacy, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain;
- Pharmacokinetics, Patient Care and Translational Bioethics Research Group, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain
| | - Francisco Javier López-Román
- Health Sciences Department, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain;
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), 30120 Murcia, Spain
| | - Antonio Torregrosa-García
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain; (L.d.S.); (S.P.-P.); (V.Á.-G.)
- Health Sciences PhD Program, Campus de los Jerónimos N° 135, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Murcia, Spain
| | - Silvia Pérez-Piñero
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain; (L.d.S.); (S.P.-P.); (V.Á.-G.)
| | - Vicente Ávila-Gandía
- Sports Physiology Department, Faculty of Health Sciences, UCAM Universidad Católica San Antonio de Murcia, 30107 Guadalupe, Spain; (L.d.S.); (S.P.-P.); (V.Á.-G.)
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