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Zhang S, Yang G, Zhang Q, Fan Y, Tang M, Shen L, Zhu D, Zhang G, Yard B. PEGylation renders carnosine resistant to hydrolysis by serum carnosinase and increases renal carnosine levels. Amino Acids 2024; 56:44. [PMID: 38960916 PMCID: PMC11222247 DOI: 10.1007/s00726-024-03405-6] [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: 02/24/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
Carnosine's protective effect in rodent models of glycoxidative stress have provided a rational for translation of these findings in therapeutic concepts in patient with diabetic kidney disease. In contrast to rodents however, carnosine is rapidly degraded by the carnosinase-1 enzyme. To overcome this hurdle, we sought to protect hydrolysis of carnosine by conjugation to Methoxypolyethylene glycol amine (mPEG-NH2). PEGylated carnosine (PEG-car) was used to study the hydrolysis of carnosine by human serum as well as to compare the pharmacokinetics of PEG-car and L-carnosine in mice after intravenous (IV) injection. While L-carnosine was rapidly hydrolyzed in human serum, PEG-car was highly resistant to hydrolysis. Addition of unconjugated PEG to carnosine or PEG-car did not influence hydrolysis of carnosine in serum. In mice PEG-car and L-carnosine exhibited similar pharmacokinetics in serum but differed in half-life time (t1/2) in kidney, with PEG-car showing a significantly higher t1/2 compared to L-carnosine. Hence, PEGylation of carnosine is an effective approach to prevent carnosine degradations and to achieve higher renal carnosine levels. However, further studies are warranted to test if the protective properties of carnosine are preserved after PEGylation.
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Affiliation(s)
- Shiqi Zhang
- Department of Endocrinology, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China.
| | - Guang Yang
- Department of Endocrinology, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China
| | - Qinqin Zhang
- Department of Endocrinology, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China
| | - Yuying Fan
- Department of Endocrinology, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China
| | - Mingna Tang
- Department of Endocrinology, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China
| | - Liuhai Shen
- Department of Nuclear Medicine, Provincial Peoplès Hospital, Anhui No. 2, Hefei, 230041, China
| | - Dongchun Zhu
- Department of Pharmacy, The first affiliated hospital of Anhui Medical University, Hefei, 230022, China
| | - Guiyang Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Benito Yard
- Vth Department of Medicine (Nephrology/Endocrinology/Rheumatology), University Medical Center Mannheim, University of Heidelberg, 68167, Mannheim, Germany
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Keshtkaran M, Hassanpour S, Asadollahi KP, Zendehdel M. Effects of in ovo injection of the L-carnosine on physiological indexes of neonatal broiler chicken. Poult Sci 2024; 103:103380. [PMID: 38198911 PMCID: PMC10825529 DOI: 10.1016/j.psj.2023.103380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 01/12/2024] Open
Abstract
The objective of the present investigation was to ascertain the impact of in ovo administration of L-carnosine on physiological indicators in neonatal broiler chickens. A total of 280 viable broiler eggs were allocated to 7 distinct groups: control, Sham in ovo injection of sterile water on d 7 of incubation. Groups 3 and 4 were subjected to in ovo injections of L-carnosine (25 and 50 µg) on d 7 of incubation. Group 5, functioning as a sham in ovo, received an injection of sterile water on d 18 of incubation. Groups 6 and 7 were in ovo injected with L-carnosine (25 and 50 µg) on d 18 of incubation. All eggs were subjected to incubation, and the hatching rate and body weight were measured post-hatch. Subsequently, blood samples were collected, and the levels of biochemical constituents in the serum were determined. Based on the outcomes, the administration of L-carnosine (50 µg) on d 7 of incubation led to a significant increase in post-hatch body weight compared to the control group (P < 0.05). The in ovo injection of L-carnosine (25 and 50 µg) on d 7 and 18 of incubation resulted in a significant decrease in the levels of serum glucose, triglyceride (TG), low-density lipoprotein (LDL), phosphorus (P), alkaline phosphatase (ALP), aspartate aminotransferase (AST), and alanine transaminase (ALT) in the newly hatched chickens (P < 0.05). Furthermore, the in-ovo injection of L-carnosine (25 and 50 µg) on d 7 and 18 of incubation led to a significant increase in the levels of serum high-density lipoprotein (HDL), calcium, and total protein (TP) in the newly hatched chickens (P < 0.05). Nonetheless, L-carnosine did not have a significant effect on the levels of serum IgY and IgA in the newly hatched chickens (P > 0.05). These findings indicate that the in ovo administration of L-carnosine yielded favorable outcomes in neonatal broiler chickens.
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Affiliation(s)
- Mahta Keshtkaran
- Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shahin Hassanpour
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Kaveh Parvandar Asadollahi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Morteza Zendehdel
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tehran, 14155-6453 Tehran, Iran
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Berdaweel IA, Monroe TB, Alowaisi AA, Mahoney JC, Liang IC, Berns KA, Gao D, McLendon JM, Anderson EJ. Iron scavenging and suppression of collagen cross-linking underlie antifibrotic effects of carnosine in the heart with obesity. Front Pharmacol 2024; 14:1275388. [PMID: 38348353 PMCID: PMC10859874 DOI: 10.3389/fphar.2023.1275388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 11/13/2023] [Indexed: 02/15/2024] Open
Abstract
Oral consumption of histidyl dipeptides such as l-carnosine has been suggested to promote cardiometabolic health, although therapeutic mechanisms remain incompletely understood. We recently reported that oral consumption of a carnosine analog suppressed markers of fibrosis in liver of obese mice, but whether antifibrotic effects of carnosine extend to the heart is not known, nor are the mechanisms by which carnosine is acting. Here, we investigated whether oral carnosine was able to mitigate the adverse cardiac remodeling associated with diet induced obesity in a mouse model of enhanced lipid peroxidation (i.e., glutathione peroxidase 4 deficient mice, GPx4+/-), a model which mimics many of the pathophysiological aspects of metabolic syndrome and T2 diabetes in humans. Wild-type (WT) and GPx4+/-male mice were randomly fed a standard (CNTL) or high fat high sucrose diet (HFHS) for 16 weeks. Seven weeks after starting the diet, a subset of the HFHS mice received carnosine (80 mM) in their drinking water for duration of the study. Carnosine treatment led to a moderate improvement in glycemic control in WT and GPx4+/-mice on HFHS diet, although insulin sensitivity was not significantly affected. Interestingly, while our transcriptomic analysis revealed that carnosine therapy had only modest impact on global gene expression in the heart, carnosine substantially upregulated cardiac GPx4 expression in both WT and GPx4+/-mice on HFHS diet. Carnosine also significantly reduced protein carbonyls and iron levels in myocardial tissue from both genotypes on HFHS diet. Importantly, we observed a robust antifibrotic effect of carnosine therapy in hearts from mice on HFHS diet, which further in vitro experiments suggest is due to carnosine's ability to suppress collagen-cross-linking. Collectively, this study reveals antifibrotic potential of carnosine in the heart with obesity and illustrates key mechanisms by which it may be acting.
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Affiliation(s)
- Islam A. Berdaweel
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
- Department of Clinical Pharmacy, College of Pharmacy, Yarmouk University, Irbid, Jordan
| | - T. Blake Monroe
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Amany A. Alowaisi
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
- Department of Clinical Pharmacy, College of Pharmacy, Yarmouk University, Irbid, Jordan
| | - Jolonda C. Mahoney
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - I-Chau Liang
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Kaitlyn A. Berns
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Dylan Gao
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
| | - Jared M. McLendon
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Abboud Cardiovascular Research Center, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
| | - Ethan J. Anderson
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa City, IA, United States
- Abboud Cardiovascular Research Center, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
- Fraternal Order of Eagles Diabetes Research Center, Carver College of Medicine, University of Iowa, Iowa City, IA, United States
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Hajimoradi S, Hassanpour S, Vazir B. Maternal supplementation of L-Carnosine improves Reflexive Motor Behaviors in Mice Offspring. Neurosci Lett 2023; 807:137266. [PMID: 37088351 DOI: 10.1016/j.neulet.2023.137266] [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: 04/08/2023] [Accepted: 04/19/2023] [Indexed: 04/25/2023]
Abstract
This study aimed to investigate the effect of maternal supplementation of L-carnosine on improved reflexive motor behaviors in mice offspring. Forty pregnant female NMRI mice were allocated into four groups. In the control group, mice received water, while in groups 2-4, female mice received supplementation of the L-carnosine (0.001, 0.01, or 0.1 mg/kg) at gestation days (G.D.) 5, 8, 11, 14, and 17. Newborn male pups were selected, and reflexive motor behaviors were analyzed on days 5, 7, 10, and 10-15, respectively. Serum malondialdehyde(MDA), superoxide dismutase(SOD), glutathione peroxidase(GPx) and total antioxidant status(TAS) of was determined in offspring's. According to findings, prenatal supplementation of the L-carnosine significantly increased ambulation score, surface righting, hind-limb suspension score, grip strength, front-limb suspension time, and negative geotaxis in mice offspring (P<0.05). Hind-limb foot angle decreased in mice offspring by maternal supplementation of the L-carnosine (P<0.05). Prenatal supplementation of the L-carnosine significantly decreased the MDA and increased the SOD, GPx, and TAS levels in offspring (P<0.05). These results suggested maternal supplementation of the L-carnosine improved reflexive motor behaviors and antioxidant status in mice offspring.
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Affiliation(s)
- Sahar Hajimoradi
- Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Shahin Hassanpour
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Bita Vazir
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Ashraf H, Solla P, Sechi LA. Current Advancement of Immunomodulatory Drugs as Potential Pharmacotherapies for Autoimmunity Based Neurological Diseases. Pharmaceuticals (Basel) 2022; 15:ph15091077. [PMID: 36145298 PMCID: PMC9504155 DOI: 10.3390/ph15091077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Dramatic advancement has been made in recent decades to understand the basis of autoimmunity-mediated neurological diseases. These diseases create a strong influence on the central nervous system (CNS) and the peripheral nervous system (PNS), leading to various clinical manifestations and numerous symptoms. Multiple sclerosis (MS) is the most prevalent autoimmune neurological disease while NMO spectrum disorder (NMOSD) is less common. Furthermore, evidence supports the presence of autoimmune mechanisms contributing to the pathogenesis of amyotrophic lateral sclerosis (ALS), which is a neurodegenerative disorder characterized by the progressive death of motor neurons. Additionally, autoimmunity is believed to be involved in the basis of Alzheimer’s and Parkinson’s diseases. In recent years, the prevalence of autoimmune-based neurological disorders has been elevated and current findings strongly suggest the role of pharmacotherapies in controlling the progression of autoimmune diseases. Therefore, this review focused on the current advancement of immunomodulatory drugs as novel approaches in the management of autoimmune neurological diseases and their future outlook.
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Affiliation(s)
- Hajra Ashraf
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
| | - Paolo Solla
- Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy
| | - Leonardo Atonio Sechi
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
- Complex Structure of Microbology and Virology, AOU Sassari, 07100 Sassari, Italy
- Correspondence:
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Busa P, Lee SO, Huang N, Kuthati Y, Wong CS. Carnosine Alleviates Knee Osteoarthritis and Promotes Synoviocyte Protection via Activating the Nrf2/HO-1 Signaling Pathway: An In-Vivo and In-Vitro Study. Antioxidants (Basel) 2022; 11:antiox11061209. [PMID: 35740105 PMCID: PMC9220310 DOI: 10.3390/antiox11061209] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/08/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022] Open
Abstract
The most common joint disease in the elderly is knee osteoarthritis (OA). It is distinguished by cartilage degradation, subchondral bone loss, and a decrease in joint space. We studied the effects of carnosine (CA) on knee OA in male Wistar rats. OA is induced by anterior cruciate ligament transection combined with medial meniscectomy (ACLT+MMx) method and in vitro studies are conducted in fibroblast-like synoviocyte cells (FLS). The pain was assessed using weight-bearing and paw-withdrawal tests. CA supplementation significantly reduced pain. The enzyme-linked immunosorbent assay (ELISA) method was used to detect inflammatory proteins in the blood and intra-articular synovial fluid (IASF), and CA reduced the levels of inflammatory proteins. Histopathological studies were performed on knee-tissue samples using toluidine blue and hematoxylin and eosin (H and E) assays. CA treatment improved synovial protection and decreased cartilage degradation while decreasing zonal depth lesions. Furthermore, Western blotting studies revealed that the CA-treated group activated nuclear factor erythroid 2-related factor (Nrf2) and heme oxygenase (HO-1) and reduced the expression of cyclooxygenase-2 (COX-2). FLS cells were isolated from the knee joints and treated with IL-1β to stimulate the inflammatory response and increase reactive oxygen species (ROS). The matrix metalloproteinase protein (MMP's) levels (MMP-3, and MMP-13) were determined using the reverse transcription-polymerase chain reaction (RT-PCR), and CA treatment reduced the MMP's expression levels. When tested using the 2',7'-dicholorodihydrofluroscene diacetate (DCFDA) assay and the 5,5',6,6'-tetracholoro-1,1',3,3'-tertraethylbenzimidazolcarboc janine iodide (JC-1) assay in augmented ROS FLS cells, CA reduced the ROS levels and improved the mitochondrial membrane permeability. This study's investigation suggests that CA significantly alleviates knee OA both in vitro and in vivo.
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Affiliation(s)
- Prabhakar Busa
- Department of Anesthesiology, Cathay General Hospital, Taipei City 106, Taiwan; (P.B.); (S.-O.L.); (Y.K.)
| | - Sing-Ong Lee
- Department of Anesthesiology, Cathay General Hospital, Taipei City 106, Taiwan; (P.B.); (S.-O.L.); (Y.K.)
| | - Niancih Huang
- Department of Anesthesiology, Tri-Service General Hospital, Taipei City 114, Taiwan;
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei City 114, Taiwan
| | - Yaswanth Kuthati
- Department of Anesthesiology, Cathay General Hospital, Taipei City 106, Taiwan; (P.B.); (S.-O.L.); (Y.K.)
| | - Chih-Shung Wong
- Department of Anesthesiology, Cathay General Hospital, Taipei City 106, Taiwan; (P.B.); (S.-O.L.); (Y.K.)
- Department of Anesthesiology, Tri-Service General Hospital, Taipei City 114, Taiwan;
- National Defense Medical Center, Graduate Institute of Medical Sciences, Taipei City 114, Taiwan
- Correspondence: ; Tel.: +886-2-2708-2121
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Extraction of Reduced Infrared Biomarker Signatures for the Stratification of Patients Affected by Parkinson’s Disease: An Untargeted Metabolomic Approach. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10060229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
An untargeted Fourier transform infrared (FTIR) metabolomic approach was employed to study metabolic changes and disarrangements, recorded as infrared signatures, in Parkinson’s disease (PD). Herein, the principal aim was to propose an efficient sequential classification strategy based on SELECT-LDA, which enabled optimal stratification of three main categories: PD patients from subjects with Alzheimer’s disease (AD) and healthy controls (HC). Moreover, sub-categories, such as PD at the early stage (PDI) from PD in the advanced stage (PDD), and PDD vs. AD, were stratified. Every classification step with selected wavenumbers achieved 90.11% to 100% correct assignment rates in classification and internal validation. Therefore, selected metabolic signatures from new patients could be used as input features for screening and diagnostic purposes.
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Solana-Manrique C, Sanz FJ, Martínez-Carrión G, Paricio N. Antioxidant and Neuroprotective Effects of Carnosine: Therapeutic Implications in Neurodegenerative Diseases. Antioxidants (Basel) 2022; 11:antiox11050848. [PMID: 35624713 PMCID: PMC9137727 DOI: 10.3390/antiox11050848] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/12/2022] [Accepted: 04/25/2022] [Indexed: 01/27/2023] Open
Abstract
Neurodegenerative diseases (NDs) constitute a global challenge to human health and an important social and economic burden worldwide, mainly due to their growing prevalence in an aging population and to their associated disabilities. Despite their differences at the clinical level, NDs share fundamental pathological mechanisms such as abnormal protein deposition, intracellular Ca2+ overload, mitochondrial dysfunction, redox homeostasis imbalance and neuroinflammation. Although important progress is being made in deciphering the mechanisms underlying NDs, the availability of effective therapies is still scarce. Carnosine is a natural endogenous molecule that has been extensively studied during the last years due to its promising beneficial effects for human health. It presents multimodal mechanisms of action, being able to exert antioxidant, anti-inflammatory and anti-aggregate activities, among others. Interestingly, most NDs exhibit oxidative and nitrosative stress, protein aggregation and inflammation as molecular hallmarks. In this review, we discuss the neuroprotective functions of carnosine and its implications as a therapeutic strategy in different NDs. We summarize the existing works that study alterations in carnosine metabolism in Alzheimer’s disease and Parkinson’s disease, the two most common NDs. In addition, we review the beneficial effect that carnosine supplementation presents in models of such diseases as well as in aging-related neurodegeneration.
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Affiliation(s)
- Cristina Solana-Manrique
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (G.M.-C.)
- Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain
| | - Francisco José Sanz
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (G.M.-C.)
- Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain
| | - Guillermo Martínez-Carrión
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (G.M.-C.)
- Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain
| | - Nuria Paricio
- Departamento de Genética, Facultad CC Biológicas, Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (G.M.-C.)
- Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain
- Correspondence: ; Tel.: +34-96-354-3005; Fax: +34-96-354-3029
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Lopachev AV, Abaimov DA, Filimonov IS, Kulichenkova KN, Fedorova TN. An assessment of the transport mechanism and intraneuronal stability of L-carnosine. Amino Acids 2021; 54:1115-1122. [PMID: 34694500 DOI: 10.1007/s00726-021-03094-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 10/15/2021] [Indexed: 10/20/2022]
Abstract
L-Carnosine (β-alanyl-L-histidine) is a well-known antioxidant and neuroprotector in various models on animals and cell cultures. However, while there is a plethora of data demonstrating its efficiency as a neuroprotector, there is a distinct lack of data regarding the mechanism of its take up by neurons. According to literature, cultures of rat astrocytes, SKPT cells and rat choroid plexus epithelial cells take up carnosine via the H+-coupled PEPT2 membrane transporter. We've assessed the effectiveness and mechanism of carnosine transport, and its stability in primary rat cortical culture neurons. We demonstrated that neurons take up carnosine via active transport with Km = 119 μM and a maximum velocity of 0.289 nmol/mg (prot)/min. Passive transport speed constituted 0.21∙10-4 nmol/mg (prot)/min (with 119 μM concentration in the medium)-significantly less than active transport speed. However, carnosine concentrations over 12.5 mM led to passive transport speed becoming greater than active transport speed. Using PEPT2 inhibitor zofenopril, we demonstrated that PEPT2-dependent transport is one of the main modes of carnosine take up by neurons. Our experiments demonstrated that incubation with carnosine does not affect PEPT2 amount present in culture. At the same time, after removing carnosine from the medium, its elimination speed by culture cells reached 0.035 nmol/mg (prot)/min, which led to a decrease in carnosine quantity to control levels in culture within 1 h. Thus, carnosine is taken up by neurons with an effectiveness comparable to that of other PEPT2 substrates, but its elimination rate suggests that for effective use as a neuroprotector it's necessary to either maintain a high concentration in brain tissue, or increase the effectiveness of glial cell synthesis of endogenous carnosine and its shuttling into neurons, or use more stable chemical modifications of carnosine.
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Affiliation(s)
| | - Denis A Abaimov
- Research Center of Neurology, 125367, Moscow, Russian Federation
| | - Ivan S Filimonov
- All-Russian Research Institute for Optical and Physical Measurements, 119361, Moscow, Russian Federation
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Calabrese V, Scuto M, Salinaro AT, Dionisio G, Modafferi S, Ontario ML, Greco V, Sciuto S, Schmitt CP, Calabrese EJ, Peters V. Hydrogen Sulfide and Carnosine: Modulation of Oxidative Stress and Inflammation in Kidney and Brain Axis. Antioxidants (Basel) 2020; 9:antiox9121303. [PMID: 33353117 PMCID: PMC7767317 DOI: 10.3390/antiox9121303] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023] Open
Abstract
Emerging evidence indicates that the dysregulation of cellular redox homeostasis and chronic inflammatory processes are implicated in the pathogenesis of kidney and brain disorders. In this light, endogenous dipeptide carnosine (β-alanyl-L-histidine) and hydrogen sulfide (H2S) exert cytoprotective actions through the modulation of redox-dependent resilience pathways during oxidative stress and inflammation. Several recent studies have elucidated a functional crosstalk occurring between kidney and the brain. The pathophysiological link of this crosstalk is represented by oxidative stress and inflammatory processes which contribute to the high prevalence of neuropsychiatric disorders, cognitive impairment, and dementia during the natural history of chronic kidney disease. Herein, we provide an overview of the main pathophysiological mechanisms related to high levels of pro-inflammatory cytokines, including interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and neurotoxins, which play a critical role in the kidney–brain crosstalk. The present paper also explores the respective role of H2S and carnosine in the modulation of oxidative stress and inflammation in the kidney–brain axis. It suggests that these activities are likely mediated, at least in part, via hormetic processes, involving Nrf2 (Nuclear factor-like 2), Hsp 70 (heat shock protein 70), SIRT-1 (Sirtuin-1), Trx (Thioredoxin), and the glutathione system. Metabolic interactions at the kidney and brain axis level operate in controlling and reducing oxidant-induced inflammatory damage and therefore, can be a promising potential therapeutic target to reduce the severity of renal and brain injuries in humans.
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Affiliation(s)
- Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
- Correspondence: (V.C.); (A.T.S.)
| | - Maria Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
- Correspondence: (V.C.); (A.T.S.)
| | - Giuseppe Dionisio
- Department of Molecular Biology and Genetics, Research Center Flakkebjerg, Aarhus University, Forsøgsvej 1, 4200 Slagelse, Denmark;
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Valentina Greco
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Sebastiano Sciuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95125 Catania, Italy; (M.S.); (S.M.); (M.L.O.); (V.G.); (S.S.)
| | - Claus Peter Schmitt
- Centre for Pediatric and Adolescent Medicine, University of Heidelberg, 69120 Heidelberg, Germany; (C.P.S.); (V.P.)
| | - Edward J. Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA;
| | - Verena Peters
- Centre for Pediatric and Adolescent Medicine, University of Heidelberg, 69120 Heidelberg, Germany; (C.P.S.); (V.P.)
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Caruso G, Spampinato SF, Cardaci V, Caraci F, Sortino MA, Merlo S. β-amyloid and Oxidative Stress: Perspectives in Drug Development. Curr Pharm Des 2020; 25:4771-4781. [PMID: 31814548 DOI: 10.2174/1381612825666191209115431] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 12/04/2019] [Indexed: 01/08/2023]
Abstract
Alzheimer's Disease (AD) is a slow-developing neurodegenerative disorder in which the main pathogenic role has been assigned to β-amyloid protein (Aβ) that accumulates in extracellular plaques. The mechanism of action of Aβ has been deeply analyzed and several membrane structures have been identified as potential mediators of its effect. The ability of Aβ to modify neuronal activity, receptor expression, signaling pathways, mitochondrial function, and involvement of glial cells have been analyzed. In addition, extensive literature deals with the involvement of oxidative stress in Aβ effects. Herein we focus more specifically on the reciprocal regulation of Aβ, that causes oxidative stress, that favors Aβ aggregation and toxicity and negatively affects the peptide clearance. Analysis of this strict interaction may offer novel opportunities for therapeutic intervention. Both common and new molecules endowed with antioxidant properties deserve attention in this regard.
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Affiliation(s)
| | - Simona F Spampinato
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, 95125 Catania, Italy
| | - Vincenzo Cardaci
- Scuola Superiore di Catania, University of Catania, 95123 Catania, Italy.,Department of Drug Sciences, University of Catania, 95125 Catania, Italy
| | - Filippo Caraci
- Oasi Research Institute - IRCCS, 94018 Troina, Italy.,Department of Drug Sciences, University of Catania, 95125 Catania, Italy
| | - Maria A Sortino
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, 95125 Catania, Italy
| | - Sara Merlo
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, 95125 Catania, Italy
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12
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Pandya VK, Sonwane B, Rathore R, Unnikrishnan AG, Kumaran S, Kulkarni MJ. Development of multiple reaction monitoring assay for quantification of carnosine in human plasma. RSC Adv 2020; 10:763-769. [PMID: 35494477 PMCID: PMC9047520 DOI: 10.1039/c9ra08532g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 12/12/2019] [Indexed: 12/30/2022] Open
Abstract
Carnosine, a histidine containing dipeptide, exerts beneficial effects by scavenging reactive carbonyl compounds (RCCs) that are implicated in pathogenesis of diabetes. However, the reduced carnosine levels may aggravate the severity of diabetes. The precise quantification of carnosine levels may serve as an indicator of pathophysiological state of diabetes. Therefore, we have developed a highly sensitive targeted multiple reaction monitoring (MRM) method for quantification of carnosine in human plasma samples. Various mass spectrometry parameters such as ionization of precursor, fragment abundance and stability, collision energy, tube lens offset voltage were optimized to develop a sensitive and robust assay. Using the optimized MRM assay, the lower limit of detection (LOD) and limit of quantification (LOQ) for carnosine were found to be 0.4 nM and 1.0 nM respectively. Standard curves were constructed ranging from 1.0 nM to 15.0 μM and the levels of carnosine in mice and human plasma were determined. Further, the MRM assay was extended to study carnosine hydrolyzing activity of human carnosinases, the serum carnosinase (CN1) and the cytosolic carnosinase (CN2). CN1 showed three folds higher activity than CN2. The MRM assay developed in this study is highly sensitive and can be used for basal plasma carnosine quantification, which can be developed as a novel marker for scavenging of RCCs in diabetes.
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Affiliation(s)
- Vaibhav Kumar Pandya
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory Pune-411008 India +912025902541
| | - Babasaheb Sonwane
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory Pune-411008 India +912025902541
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Rajeshwari Rathore
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory Pune-411008 India +912025902541
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | | | - Sangaralingam Kumaran
- CSIR-Institute of Microbial Technology Chandigarh-160036 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Mahesh J Kulkarni
- Proteomics Facility, Biochemical Sciences Division, CSIR-National Chemical Laboratory Pune-411008 India +912025902541
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
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13
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Berezhnoy D, Fedorova T, Kulikova O, Stavrovskaya A, Abaimov D, Gushchina A, Olshansky A, Voronkov D, Stvolinsky S. Effects of carnosine and lipoic acid in the late stage of Parkinson’s disease in rats. BULLETIN OF RUSSIAN STATE MEDICAL UNIVERSITY 2019. [DOI: 10.24075/brsmu.2019.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The late stage of Parkinson’s disease is characterized by massive neuronal loss in the substantia nigra (SN) and degeneration of the dopaminergic innervation in the striatum. There is a need to assess the neuroprotective effect of antioxidants (AO) at this stage of the disease. The aim of our study was to assess the efficacy of two AO, carnosine and lipoic acid (LA), in the rat model of late-stage parkinsonism. The pathology was induced by a unilateral injection of 6-hydroxydopamine (6-OHDA) into the SN of the right brain hemisphere. AO were administered 4 times, starting on day 14 following the injection of the toxin. We investigated the effect of the injected drugs on the behavior of rats, the loss of neurons in the SN and the metabolism of biogenic neurotransmitter amines. Both AO dampened the development of 6-OHDA-induced neurological and behavioral symptoms. 6-OHDA induced a 90% drop (p = 0.01) in the levels of dopamine (DA) and its metabolites in the right striatum and caused death of over 95% of neurons (p = 0.01) in the SN of the right hemisphere (p = 0.01). AO did not have a significant effect on the number of neurons in the SN but caused an increase in the levels of DA metabolites, as compared to their levels in the animals exposed to 6-OHDA. Elevated DA (a 5.8-fold increase, p = 0.007) was observed only in the animals treated with carnosine. LA stimulated a 23% decline in serotonin levels (p = 0.06) and a 36% increase (p = 0.009) in its metabolite, 5-hydroxyindolacetic acid (5-HIAA). We conclude that although carnosine and LA did not have a direct neuroprotective effect, they could relieve the symptoms. This suggests that these AO could be used as an adjunctive component to antiparkinsonian therapy.
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14
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Bermúdez ML, Seroogy KB, Genter MB. Evaluation of Carnosine Intervention in the Thy1-aSyn Mouse Model of Parkinson's Disease. Neuroscience 2019; 411:270-278. [PMID: 31125602 DOI: 10.1016/j.neuroscience.2019.05.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 05/03/2019] [Accepted: 05/13/2019] [Indexed: 11/20/2022]
Abstract
Parkinson disease (PD) is a leading neurodegenerative disease, with multifaceted interacting mechanisms. The Thy1-aSyn mouse model of PD exhibits many features of PD patients, including sensorimotor and olfactory dysfunction and protein aggregation. Here, we tested the hypothesis that the dipeptide carnosine, which has anti-aggregating and metal-chelating properties, would provide beneficial effects on the motor and olfactory deficits observed in Thy1-aSyn mice. After 2 months of daily treatment with either intranasal (2 mg/day) or oral (10 mM in drinking water) carnosine, Thy1-aSyn mice and wild-type BDF1 mice were assessed for sensorimotor (challenging beam traversal test and spontaneous activity) and olfactory (buried pellet test) function. In addition, the olfactory epithelium was evaluated immunohistochemically for expression of alpha-synuclein (aSyn) and the carnosine transporter Pept2. Olfactory function was unaffected by carnosine treatment via either administration route. In contrast, intranasal carnosine prevented the normal decline in gait function seen in the challenging beam test in the Thy1-aSyn mice. Moreover, carnosine-treated Thy1-aSyn mice exhibited decreased aSyn immunostaining in the olfactory epithelium compared to vehicle-treated Thy1-aSyn mice, and the carnosine transporter Pept2 was immunolocalized to the apical surface of the olfactory epithelium. These findings demonstrate that intranasal carnosine shows promise in slowing the progression of motor deficits and aSyn deposition in PD.
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Affiliation(s)
- Mei-Ling Bermúdez
- Department of Environmental Health, University of Cincinnati, ML 670056, Cincinnati, OH 45267-0056, USA
| | - Kim B Seroogy
- Department of Neurology, University of Cincinnati, Medical Sciences Building, ML 0536, Cincinnati, OH 45267-0536, USA
| | - Mary Beth Genter
- Department of Environmental Health, University of Cincinnati, ML 670056, Cincinnati, OH 45267-0056, USA.
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15
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Schön M, Mousa A, Berk M, Chia WL, Ukropec J, Majid A, Ukropcová B, de Courten B. The Potential of Carnosine in Brain-Related Disorders: A Comprehensive Review of Current Evidence. Nutrients 2019; 11:nu11061196. [PMID: 31141890 PMCID: PMC6627134 DOI: 10.3390/nu11061196] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/17/2019] [Accepted: 05/23/2019] [Indexed: 12/17/2022] Open
Abstract
Neurological, neurodegenerative, and psychiatric disorders represent a serious burden because of their increasing prevalence, risk of disability, and the lack of effective causal/disease-modifying treatments. There is a growing body of evidence indicating potentially favourable effects of carnosine, which is an over-the-counter food supplement, in peripheral tissues. Although most studies to date have focused on the role of carnosine in metabolic and cardiovascular disorders, the physiological presence of this di-peptide and its analogues in the brain together with their ability to cross the blood-brain barrier as well as evidence from in vitro, animal, and human studies suggest carnosine as a promising therapeutic target in brain disorders. In this review, we aim to provide a comprehensive overview of the role of carnosine in neurological, neurodevelopmental, neurodegenerative, and psychiatric disorders, summarizing current evidence from cell, animal, and human cross-sectional, longitudinal studies, and randomized controlled trials.
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Affiliation(s)
- Martin Schön
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, 84215 Bratislava, Slovakia.
- Biomedical Research Center, Slovak Academy of Sciences, 81439 Bratislava, Slovakia.
| | - Aya Mousa
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Melbourne, Victoria 3168, Australia.
| | - Michael Berk
- School of Medicine, IMPACT Strategic Research Centre, Barwon Health, Deakin University, Geelong, Victoria 3220, Australia.
- Orygen, The Centre of Excellence in Youth Mental Health, the Department of Psychiatry and the Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, Victoria 3052, Australia.
| | - Wern L Chia
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Melbourne, Victoria 3168, Australia.
| | - Jozef Ukropec
- Biomedical Research Center, Slovak Academy of Sciences, 81439 Bratislava, Slovakia.
| | - Arshad Majid
- Sheffield Institute for Translational Neuroscience, University of Sheffield, Sheffield S10 2HQ, UK.
| | - Barbara Ukropcová
- Institute of Pathophysiology, Faculty of Medicine, Comenius University, 84215 Bratislava, Slovakia.
- Biomedical Research Center, Slovak Academy of Sciences, 81439 Bratislava, Slovakia.
- Faculty of Physical Education and Sports, Comenius University, 81469 Bratislava, Slovakia.
| | - Barbora de Courten
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Melbourne, Victoria 3168, Australia.
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16
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Peana AT, Bassareo V, Acquas E. Not Just from Ethanol. Tetrahydroisoquinolinic (TIQ) Derivatives: from Neurotoxicity to Neuroprotection. Neurotox Res 2019; 36:653-668. [DOI: 10.1007/s12640-019-00051-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/29/2019] [Accepted: 04/21/2019] [Indexed: 12/12/2022]
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Pivotal role of carnosine in the modulation of brain cells activity: Multimodal mechanism of action and therapeutic potential in neurodegenerative disorders. Prog Neurobiol 2018; 175:35-53. [PMID: 30593839 DOI: 10.1016/j.pneurobio.2018.12.004] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 12/13/2018] [Accepted: 12/23/2018] [Indexed: 12/24/2022]
Abstract
Carnosine (β-alanyl-l-histidine), a dipeptide, is an endogenous antioxidant widely distributed in excitable tissues like muscles and the brain. Although discovered more than a hundred years ago and having been extensively studied in the periphery, the role of carnosine in the brain remains mysterious. Carnosinemia, a rare metabolic disorder with increased levels of carnosine in urine and low levels or absence of carnosinase in the blood, is associated with severe neurological symptoms in humans. This review deals with the role of carnosine in the brain in both physiological and pathological conditions, with a focus on preclinical evidence suggesting a high therapeutic potential of carnosine in neurodegenerative disorders. We review carnosine and carnosinemia's discoveries and the extensive research on the role and benefits of carnosine in the periphery. We then turn to carnosine's biochemistry and distribution in the brain. Using an array of recent observations as a foundation, we draw a parallel with the role of carnosine in muscles and speculate on the role of carnosine in promoting the metabolic support of neurons by glial cells. Finally, carnosine has been shown to exert a multimodal activity including inhibition of protein cross-linking and aggregation of amyloid-β and related proteins, free radical generation, nitric oxide detoxification, and an anti-inflammatory activity. It could thus play an important role in the prevention and treatment of neurodegenerative diseases such as Alzheimer's disease. We discuss the potential of carnosine in this context and speculate on new preclinical research directions.
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Mirzakhani N, Farshid AA, Tamaddonfard E, Imani M, Erfanparast A, Noroozinia F. Carnosine improves functional recovery and structural regeneration after sciatic nerve crush injury in rats. Life Sci 2018; 215:22-30. [DOI: 10.1016/j.lfs.2018.10.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/20/2018] [Accepted: 10/21/2018] [Indexed: 12/20/2022]
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19
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Berezhnoy DS, Stvolinsky SL, Lopachev AV, Devyatov AA, Lopacheva OM, Kulikova OI, Abaimov DA, Fedorova TN. Carnosine as an effective neuroprotector in brain pathology and potential neuromodulator in normal conditions. Amino Acids 2018; 51:139-150. [PMID: 30353356 DOI: 10.1007/s00726-018-2667-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 10/12/2018] [Indexed: 11/28/2022]
Abstract
Carnosine (b-alanyl-L-histidine) is an endogenous dipeptide widely distributed in excitable tissues, such as muscle and neural tissues-though in minor concentrations in the latter. Multiple benefits have been attributed to carnosine: direct and indirect antioxidant effect, antiglycating, metal-chelating, chaperone and pH-buffering activity. Thus, carnosine turns out to be a multipotent protector against oxidative damage. However, the role of carnosine in the brain remains unclear. The key aspects concerning carnosine in the brain reviewed are as follows: its concentration and bioavailability, mechanisms of action in neuronal and glial cells, beneficial effects in human studies. Recent literature data and the results of our own research are summarized here. This review covers studies of carnosine effects on both in vitro and in vivo models of cerebral damage, such as neurodegenerative disorders and ischemic injuries and the data on its physiological actions on neuronal signaling and cerebral functions. Besides its antioxidant and homeostatic properties, new potential roles of carnosine in the brain are discussed.
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Affiliation(s)
- D S Berezhnoy
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia. .,Faculty of Biology, Moscow State University, Moscow, 119234, Russia.
| | - S L Stvolinsky
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
| | - A V Lopachev
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
| | - A A Devyatov
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
| | - O M Lopacheva
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
| | - O I Kulikova
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia.,Faculty of Ecology, Peoples' Friendship University of Russia, Moscow, 117198, Russia
| | - D A Abaimov
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
| | - T N Fedorova
- Research Center of Neurology, Laboratory of Clinical and Experimental Neurochemistry, Volokolamskoe Shosse, 80, Moscow, 125367, Russia
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Qi Z, Yu X, Xu P, Hao Y, Pan X, Zhang C. l-Homocarnosine, l-carnosine, and anserine attenuate brain oxidative damage in a pentylenetetrazole-induced epilepsy model of ovariectomized rats. 3 Biotech 2018; 8:363. [PMID: 30105188 DOI: 10.1007/s13205-018-1357-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 07/16/2018] [Indexed: 01/25/2023] Open
Abstract
In this study, we investigated the protective effect of l-homocarnosine, l-carnosine, and anserine (HCA) on seizure-induced brain injuries. We evaluated the protective effect of HCA on brain oxidative damage in a pentylenetetrazole (PTZ)-induced epilepsy model using ovariectomized (OVX) rats. The experimental groups were as follows: group I, sham; group II, sham + PTZ; group III, sham + HCA + PTZ; group IV, OVX; group V, OVZ + PTZ; and group VI, OVX + HCA + PTZ. We determined the levels of lipid peroxidation, glutathione peroxidase (Gpx), reduced glutathione (GSH), catalase, superoxide dismutase (SOD), and thiol in brain hippocampal and cortical tissue. The biochemical markers were significantly altered in the brain tissue of OVX rats. HCA supplementation significantly reduced lipid peroxidation and increased GSH, Gpx, SOD, catalase, and thiol levels in PTZ-treated OVX rats. Rats with an ovariectomy showed a significant protective effect against PTZ through elevation of the latency of generalized tonic-clonic seizures (GTCS). HCA substantially increased minimal clonic seizure and GTCS latency in the OVX-PTZ and sham-PTZ groups. In summary, our experimental data indicate that combined supplementation of HCA substantially increased anticonvulsant activity. Moreover, combined HCA supplementation reduced oxidative damage by decreasing lipid peroxidation and increasing antioxidant levels in the brain of a PTZ-induced seizure rodent model.
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Glycotoxins: Dietary and Metabolic Origins; Possible Amelioration of Neurotoxicity by Carnosine, with Special Reference to Parkinson’s Disease. Neurotox Res 2018; 34:164-172. [DOI: 10.1007/s12640-018-9867-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 01/01/2018] [Accepted: 01/11/2018] [Indexed: 12/17/2022]
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