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Di Giulio T, Corsi M, Gagliani F, De Benedetto G, Malitesta C, Mazzei A, Barca A, Verri T, Barillaro G, Mazzotta E. Reconfigurable Optical Sensor for Metal-Ion-Mediated Label-Free Recognition of Different Biomolecular Targets. ACS APPLIED MATERIALS & INTERFACES 2024; 16:43752-43761. [PMID: 39106976 DOI: 10.1021/acsami.4c08860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/09/2024]
Abstract
Reconfiguration of chemical sensors, intended as the capacity of the sensor to adapt to novel operational scenarios, e.g., new target analytes, is potentially game changing and would enable rapid and cost-effective reaction to dynamic changes occurring at healthcare, environmental, and industrial levels. Yet, it is still a challenge, and rare examples of sensor reconfiguration have been reported to date. Here, we report on a reconfigurable label-free optical sensor leveraging the versatile immobilization of metal ions through a chelating agent on a nanostructured porous silica (PSiO2) optical transducer for the detection of different biomolecules. First, we show the reversible grafting of different metal ions on the PSiO2 surface, namely, Ni2+, Cu2+, Zn2+, and Fe3+, which can mediate the interaction with different biomolecules and be switched under mild conditions. Then, we demonstrate reconfiguration of the sensor at two levels: 1) switching of the metal ions on the PSiO2 surface from Cu2+ to Zn2+ and testing the ability of Cu2+-functionalized and Zn2+-reconfigured devices for the sensing of the dipeptide carnosine (CAR), leveraging the well-known chelating ability of CAR toward divalent metal ions; and 2) reconfiguration of the Cu2+-functionalized PSiO2 sensor for a different target analyte, namely, the nucleotide adenosine triphosphate (ATP), switching Cu2+ with Fe3+ ions to exploit the interaction with ATP through phosphate groups. The Cu2+-functionalized and Zn2+-reconfigured sensors show effective sensing performance in CAR detection, also evaluated in tissue samples from murine brain, and so does the Fe3+-reconfigured sensor toward ATP, thus demonstrating effective reconfiguration of the sensor with the proposed surface chemistry.
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Affiliation(s)
- Tiziano Di Giulio
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Martina Corsi
- Dipartimento di Ingegneria dell'Informazione, Università di Pisa, Via G. Caruso 16, 56122 Pisa, Italy
| | - Francesco Gagliani
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Giuseppe De Benedetto
- Laboratorio di Spettrometria di Massa Analitica ed Isotopica, Dipartimento di Beni Culturali, Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Cosimino Malitesta
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Aurora Mazzei
- Laboratorio di Fisiologia Applicata, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Amilcare Barca
- Laboratorio di Fisiologia Applicata, Dipartimento di Medicina Sperimentale (Di.Me.S), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Tiziano Verri
- Laboratorio di Fisiologia Applicata, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
| | - Giuseppe Barillaro
- Dipartimento di Ingegneria dell'Informazione, Università di Pisa, Via G. Caruso 16, 56122 Pisa, Italy
| | - Elisabetta Mazzotta
- Laboratorio di Chimica Analitica, Dipartimento di Scienze e Tecnologie Biologiche e Ambientali (Di.S.Te.B.A.), Università del Salento, Via Monteroni, 73100 Lecce, Italy
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Binding ability of L-carnosine towards Cu2+, Mn2+ and Zn2+ in aqueous solution. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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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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Poggetti V, Salerno S, Baglini E, Barresi E, Da Settimo F, Taliani S. Carbonic Anhydrase Activators for Neurodegeneration: An Overview. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27082544. [PMID: 35458743 PMCID: PMC9031706 DOI: 10.3390/molecules27082544] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 11/25/2022]
Abstract
Carbonic anhydrases (CAs) are a family of ubiquitous metal enzymes catalyzing the reversible conversion of CO2 and H2O to HCO3− with the release of a proton. They play an important role in pH regulation and in the balance of body fluids and are involved in several functions such as homeostasis regulation and cellular respiration. For these reasons, they have been studied as targets for the development of agents for treating several pathologies. CA inhibitors have been used in therapy for a long time, especially as diuretics and for the treatment of glaucoma, and are being investigated for application in other pathologies including obesity, cancer, and epilepsy. On the contrary, CAs activators are still poorly studied. They are proposed to act as additional (other than histidine) proton shuttles in the rate-limiting step of the CA catalytic cycle, which is the generation of the active hydroxylated enzyme. Recent studies highlight the involvement of CAs activation in brain processes essential for the transmission of neuronal signals, suggesting CAs activation might represent a potential therapeutic approach for the treatment of Alzheimer’s disease and other conditions characterized by memory impairment and cognitive problems. Actually, some compounds able to activate CAs have been identified and proposed to potentially resolve problems related to neurodegeneration. This review reports on the primary literature regarding the potential of CA activators for treating neurodegeneration-related diseases.
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Łochyński D, Pawlak M, Everaert I, Podgórski T, Gartych M, Borucka AM, Celichowski J, Derave W, Kaczmarek D. Motor Unit Fatigability following Chronic Carnosine Supplementation in Aged Rats. Nutrients 2022; 14:nu14030514. [PMID: 35276873 PMCID: PMC8839880 DOI: 10.3390/nu14030514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/19/2022] [Accepted: 01/22/2022] [Indexed: 01/27/2023] Open
Abstract
Studies suggest that carnosine (beta-alanyl-L-histidine) is effective in treating neuromuscular diseases associated with aging, but there is still a need to clarify its role in motor units (MUs) function during aging. In this study, 40 male Wistar rats aged 15 months were randomly assigned to a control or to two experimental groups in which 0.1% carnosine supplementation was performed for 10 or 34 weeks. After 34 weeks, we examined fast fatigable (FF), fast fatigue-resistant (FR) and slow (S) MUs’ force properties and fatigability, as well as antioxidant potential, advanced glycation end products, activity of enzymes, and histidyl dipeptides content in the medial gastrocnemius muscle. Short- and long-term carnosine supplementation maintained the force of FF MUs at a higher level during its rapid decline seen from the initial 10 to 70 s of the fatigue test. In FF, especially long-term, and in FR MUs, especially short-term, carnosine supplementation resulted in less rapid force decline during the initial 70 s of the second fatigue protocol. Carnosine supplementation did not change muscle antioxidant potential and mortality rate (~35% in all groups), nor muscle mass with aging. Moreover, instead of the expected increase, a decrease in histidyl dipeptides by ~30% in the red portion of medial gastrocnemius muscle after long-term supplementation was found. After chronic carnosine supplementation, the specific changes in fatigue resistance were observed in FF and FR units, but not in S MU types that were not accompanied by an improvement of antioxidant potential and activity of glycolytic or oxidative enzymes in aged rats. These observations indicate that carnosine supplementation during aging may generate different physiological adaptations which should be considered as an important factor when planning treatment strategies.
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Affiliation(s)
- Dawid Łochyński
- Department of Neuromuscular Physiotherapy, Poznan University of Physical Education, 61-879 Poznan, Poland;
- Department of Neurobiology, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.G.); (J.C.)
| | - Maciej Pawlak
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.P.); (T.P.); (A.-M.B.)
| | - Inge Everaert
- Department of Movement and Sports Sciences, Ghent University, 9000 Ghent, Belgium; (I.E.); (W.D.)
| | - Tomasz Podgórski
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.P.); (T.P.); (A.-M.B.)
| | - Magdalena Gartych
- Department of Neurobiology, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.G.); (J.C.)
| | - Anna-Maria Borucka
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.P.); (T.P.); (A.-M.B.)
| | - Jan Celichowski
- Department of Neurobiology, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.G.); (J.C.)
| | - Wim Derave
- Department of Movement and Sports Sciences, Ghent University, 9000 Ghent, Belgium; (I.E.); (W.D.)
| | - Dominik Kaczmarek
- Department of Physiology and Biochemistry, Poznan University of Physical Education, 61-879 Poznan, Poland; (M.P.); (T.P.); (A.-M.B.)
- Correspondence: ; Tel.: +48-61-835-5182
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Tabibzadeh S. Resolving Geroplasticity to the Balance of Rejuvenins and Geriatrins. Aging Dis 2022; 13:1664-1714. [DOI: 10.14336/ad.2022.0414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 04/14/2022] [Indexed: 11/18/2022] Open
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l-Carnosine and Taurine Supplementation Attenuates the Intensity of Diabetes in Alloxan-Induced Diabetic Male Albino Rats. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-021-10208-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Carnosine Content and Its Association with Carnosine-Related Gene Expression in Breast Meat of Thai Native and Black-Bone Chicken. Animals (Basel) 2021; 11:ani11071987. [PMID: 34359114 PMCID: PMC8300356 DOI: 10.3390/ani11071987] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/30/2021] [Accepted: 06/30/2021] [Indexed: 12/11/2022] Open
Abstract
This study aimed to investigate the carnosine content and ATP-grasp domain-containing protein 1 (CARNS1) gene expression and their relationship with breast meat of Black Chinese (BC), KU-Phuparn (KP), Pradu Hang Dam (PD), and Black Chinese × Pradu Hang Dam (Sri Mok: SM) to aid in the selection and mating programs for developing functional meat in Thai chicken populations. The results show that the carnosine content in each breed and breed group varied from 428.08 to 553.93 mg/100 g, whereas the relative expression of CARNS1 ranged from 0.84 to 1.56. The BC and KP chicken breeds had a higher carnosine content (p < 0.01) and higher CARNS1 expression level (p < 0.05) than the SM and PD chicken breeds. The carnosine content and relative gene expression for each age ranged from 423.02 to 577.83 mg/100 g and 0.68 to 1.83, respectively. At 4 weeks of age, the carnosine content (p < 0.01) and gene expression (p < 0.05) were the highest. However, they decreased as chicken age increased further. The carnosine content and gene expression linearly decreased as chicken age increased (p < 0.01). The correlation coefficient between the level of gene expression and carnosine content was moderately positive. The results from this study showed that different breeds and ages of chickens have different amounts of carnosine, and CARNS1 could act as a biomarker to study marker-assisted selection to improve functional meat in the chicken population in Thailand.
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Ishihara K, Watanabe R, Kato T, Seko T, Matsuda T, Omura Y, Shigemura Y, Kawabata Y, Maegawa T. Isolation of balenine from opah (Lampris megalopsis) muscle and comparison of antioxidant and iron-chelating activities with other major imidazole dipeptides. Food Chem 2021; 364:130343. [PMID: 34246912 DOI: 10.1016/j.foodchem.2021.130343] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/18/2021] [Accepted: 06/08/2021] [Indexed: 02/05/2023]
Abstract
Balenine (Bal) in opah muscle was extracted using hot water and purified by ion-exchange chromatography and recrystallization to provide 41 g of over 95% pure Bal from 1 kg of opah muscle. The structure of purified Bal was identical to that of an authentic Bal standard by NMR analysis. The antioxidant (ORAC and HORAC values) and Fe(II) ion-chelating abilities of purified Bal were examined by comparison with two major imidazole dipeptides, carnosine (Car) and anserine (Ans). Opah-derived Bal showed significantly higher ORAC and HORAC values and Fe(II) ion-chelating ability at 0.3 mM. In silico molecular simulation revealed that Bal and Car formed hydrogen bonds between the hydrogen atom of the imidazole imino group and the carboxyl carbonyl oxygen, whereas Ans did not. The proposed method for extracting and purifying Bal from opah muscle suggests that opah can be utilized as a functional food or Bal resource.
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Affiliation(s)
- Kenji Ishihara
- Seafood Safety and Technology Division, Fisheries Technology Institute, Japan Fisheries Research and Education Agency. Yokohama, Japan.
| | - Ryuichi Watanabe
- Seafood Safety and Technology Division, Fisheries Technology Institute, Japan Fisheries Research and Education Agency. Yokohama, Japan
| | - Tomomi Kato
- Seafood Safety and Technology Division, Fisheries Technology Institute, Japan Fisheries Research and Education Agency. Yokohama, Japan
| | - Takuya Seko
- Seafood Safety and Technology Division, Fisheries Technology Institute, Japan Fisheries Research and Education Agency. Yokohama, Japan
| | - Takashi Matsuda
- Seafood Safety and Technology Division, Fisheries Technology Institute, Japan Fisheries Research and Education Agency. Yokohama, Japan
| | - Yuji Omura
- Marine Fisheries Research and Development Center, Japan Fisheries Research and Education Agency. Yokohama, Japan
| | - Yasutaka Shigemura
- Department of Nutrition, Faculty of Domestic Science, Tokyo Kasei University. Tokyo, Japan
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Yang M, Sun L, Jiang T, Kawabata Y, Murayama F, Maegawa T, Taniyama S, Tachibana K, Hirasaka K. Safety Evaluation and Physiological Function of Dietary Balenine Derived From Opah Lampris guttatus on Skeletal Muscle of Mice. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-021-10236-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Dejakaisaya H, Harutyunyan A, Kwan P, Jones NC. Altered metabolic pathways in a transgenic mouse model suggest mechanistic role of amyloid precursor protein overexpression in Alzheimer's disease. Metabolomics 2021; 17:42. [PMID: 33876332 DOI: 10.1007/s11306-021-01793-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/11/2021] [Indexed: 01/31/2023]
Abstract
INTRODUCTION The mechanistic role of amyloid precursor protein (APP) in Alzheimer's disease (AD) remains unclear. OBJECTIVES Here, we aimed to identify alterations in cerebral metabolites and metabolic pathways in cortex, hippocampus and serum samples from Tg2576 mice, a widely used mouse model of AD. METHODS Metabolomic profilings using liquid chromatography-mass spectrometry were performed and analysed with MetaboAnalyst and weighted correlation network analysis (WGCNA). RESULTS Expressions of 11 metabolites in cortex, including hydroxyphenyllactate-linked to oxidative stress-and phosphatidylserine-lipid metabolism-were significantly different between Tg2576 and WT mice (false discovery rate < 0.05). Four metabolic pathways from cortex, including glycerophospholipid metabolism and pyrimidine metabolism, and one pathway (sulphur metabolism) from hippocampus, were significantly enriched in Tg2576 mice. Network analysis identified five pathways, including alanine, aspartate and glutamate metabolism, and mitochondria electron transport chain, that were significantly correlated with AD genotype. CONCLUSIONS Changes in metabolite concentrations and metabolic pathways are present in the early stage of APP pathology, and may be important for AD development and progression.
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Affiliation(s)
- Hattapark Dejakaisaya
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, VIC, 3004, Australia
| | - Anna Harutyunyan
- Department of Medicine (Royal Melbourne Hospital), University of Melbourne, Parkville, VIC, 3052, Australia
| | - Patrick Kwan
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, VIC, 3004, Australia.
- Department of Medicine (Royal Melbourne Hospital), University of Melbourne, Parkville, VIC, 3052, Australia.
| | - Nigel C Jones
- Department of Neuroscience, Central Clinical School, Monash University, The Alfred Hospital, Melbourne, VIC, 3004, Australia.
- Department of Medicine (Royal Melbourne Hospital), University of Melbourne, Parkville, VIC, 3052, Australia.
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Fuloria S, Subramaniyan V, Karupiah S, Kumari U, Sathasivam K, Meenakshi DU, Wu YS, Guad RM, Udupa K, Fuloria NK. A Comprehensive Review on Source, Types, Effects, Nanotechnology, Detection, and Therapeutic Management of Reactive Carbonyl Species Associated with Various Chronic Diseases. Antioxidants (Basel) 2020; 9:E1075. [PMID: 33147856 PMCID: PMC7692604 DOI: 10.3390/antiox9111075] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/26/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022] Open
Abstract
Continuous oxidation of carbohydrates, lipids, and amino acids generate extremely reactive carbonyl species (RCS). Human body comprises some important RCS namely hexanal, acrolein, 4-hydroxy-2-nonenal, methylglyoxal, malondialdehyde, isolevuglandins, and 4-oxo-2- nonenal etc. These RCS damage important cellular components including proteins, nucleic acids, and lipids, which manifests cytotoxicity, mutagenicity, multitude of adducts and crosslinks that are connected to ageing and various chronic diseases like inflammatory disease, atherosclerosis, cerebral ischemia, diabetes, cancer, neurodegenerative diseases and cardiovascular disease. The constant prevalence of RCS in living cells suggests their importance in signal transduction and gene expression. Extensive knowledge of RCS properties, metabolism and relation with metabolic diseases would assist in development of effective approach to prevent numerous chronic diseases. Treatment approaches for RCS associated diseases involve endogenous RCS metabolizers, carbonyl metabolizing enzyme inducers, and RCS scavengers. Limited bioavailability and bio efficacy of RCS sequesters suggest importance of nanoparticles and nanocarriers. Identification of RCS and screening of compounds ability to sequester RCS employ several bioassays and analytical techniques. Present review describes in-depth study of RCS sources, types, properties, identification techniques, therapeutic approaches, nanocarriers, and their role in various diseases. This study will give an idea for therapeutic development to combat the RCS associated chronic diseases.
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Affiliation(s)
- Shivkanya Fuloria
- Faculty of Pharmacy, AIMST University, Kedah, Bedong 08100, Malaysia;
| | - Vetriselvan Subramaniyan
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Kuala Lumpur 42610, Malaysia; (V.S.); (Y.S.W.)
| | - Sundram Karupiah
- Faculty of Pharmacy, AIMST University, Kedah, Bedong 08100, Malaysia;
| | - Usha Kumari
- Faculty of Medicine, AIMST University, Kedah, Bedong 08100, Malaysia;
| | | | | | - Yuan Seng Wu
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Kuala Lumpur 42610, Malaysia; (V.S.); (Y.S.W.)
| | - Rhanye Mac Guad
- Faculty of Medicine and Health Science, University Malaysia Sabah, Kota Kinabalu 88400, Malaysia;
| | - Kaviraja Udupa
- Department of Neurophysiology, NIMHANS, Bangalore 560029, India;
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Zinc enhances carnosine inhibitory effect against structural and functional age-related protein alterations in an albumin glycoxidation model. Biometals 2020; 33:353-364. [PMID: 32997290 DOI: 10.1007/s10534-020-00254-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/25/2020] [Indexed: 12/20/2022]
Abstract
Age-related complications including protein alterations seen in diabetes and Alzheimer's disease are a major issue due to their accumulation and deleterious effects. This report aims to investigate the effect of zinc supplementation on the anti-glycoxidation activity of carnosine on the in vitro model of albumin-based protein modification. Besides, the therapeutic effect of this combination was tested through the addition of the molecules in tandem (co-treatment) or post initiation (post-treatment) of the protein modification process. Glycation was induced via the addition of glucose to which carnosine (5 mM) alone or with various zinc concentrations (125, 250, and 500 μM) were added either at 0 h or 24 h post-glycation induction. On the other hand, protein oxidation was induced using chloramine T (20 mM) and treated in the same way with carnosine and zinc. The different markers of glycation (advanced glycation end products (AGEs), dityrosine, and beta-sheet formation (aggregation)) and oxidation (AOPP, advanced oxidation protein products) were estimated via fluorescence and colorimetric assays. Zinc addition induced a significant enhancement of carnosine activity by reducing albumin modification that outperformed aminoguanidine both in the co- and post-treatment protocols. Zinc demonstrated a supplementary effect in combination with carnosine highlighting its potential in the protection against age-related protein modifications processes such as the ones found in diabetes.
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Mahootchi E, Cannon Homaei S, Kleppe R, Winge I, Hegvik TA, Megias-Perez R, Totland C, Mogavero F, Baumann A, Glennon JC, Miletic H, Kursula P, Haavik J. GADL1 is a multifunctional decarboxylase with tissue-specific roles in β-alanine and carnosine production. SCIENCE ADVANCES 2020; 6:eabb3713. [PMID: 32733999 PMCID: PMC7367687 DOI: 10.1126/sciadv.abb3713] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 06/05/2020] [Indexed: 05/26/2023]
Abstract
Carnosine and related β-alanine-containing peptides are believed to be important antioxidants, pH buffers, and neuromodulators. However, their biosynthetic routes and therapeutic potential are still being debated. This study describes the first animal model lacking the enzyme glutamic acid decarboxylase-like 1 (GADL1). We show that Gadl1-/- mice are deficient in β-alanine, carnosine, and anserine, particularly in the olfactory bulb, cerebral cortex, and skeletal muscle. Gadl1-/- mice also exhibited decreased anxiety, increased levels of oxidative stress markers, alterations in energy and lipid metabolism, and age-related changes. Examination of the GADL1 active site indicated that the enzyme may have multiple physiological substrates, including aspartate and cysteine sulfinic acid. Human genetic studies show strong associations of the GADL1 locus with plasma levels of carnosine, subjective well-being, and muscle strength. Together, this shows the multifaceted and organ-specific roles of carnosine peptides and establishes Gadl1 knockout mice as a versatile model to explore carnosine biology and its therapeutic potential.
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Affiliation(s)
| | - Selina Cannon Homaei
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Division of Psychiatry, Haukeland University Hospital, Bergen, Norway
| | - Rune Kleppe
- Division of Psychiatry, Haukeland University Hospital, Bergen, Norway
| | - Ingeborg Winge
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Tor-Arne Hegvik
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | | | - Christian Totland
- Department of Chemistry, University of Bergen, Bergen, Norway
- Norwegian Geotechnical Institute, Oslo, Norway
| | - Floriana Mogavero
- Department of Cognitive Neuroscience, Donders Institute for Brain Cognition and Behavior, Radboud University Medical Center, Nijmegen, Netherlands
| | - Anne Baumann
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Jeffrey Colm Glennon
- Department of Cognitive Neuroscience, Donders Institute for Brain Cognition and Behavior, Radboud University Medical Center, Nijmegen, Netherlands
- Conway Institute of Biomolecular and Biomedical Research, School of Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - Hrvoje Miletic
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Department of Pathology, Haukeland University Hospital, Bergen, Norway
| | - Petri Kursula
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Jan Haavik
- Department of Biomedicine, University of Bergen, Bergen, Norway
- Division of Psychiatry, Haukeland University Hospital, Bergen, Norway
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Comparative Cerebroprotective Potential of d- and l-Carnosine Following Ischemic Stroke in Mice. Int J Mol Sci 2020; 21:ijms21093053. [PMID: 32357505 PMCID: PMC7246848 DOI: 10.3390/ijms21093053] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/21/2020] [Accepted: 04/23/2020] [Indexed: 12/12/2022] Open
Abstract
l-carnosine is an attractive therapeutic agent for acute ischemic stroke based on its robust preclinical cerebroprotective properties and wide therapeutic time window. However, large doses are needed for efficacy because carnosine is rapidly degraded in serum by carnosinases. The need for large doses could be particularly problematic when translating to human studies, as humans have much higher levels of serum carnosinases. We hypothesized that d-carnosine, which is not a substrate for carnosinases, may have a better pharmacological profile and may be more efficacious at lower doses than l-carnosine. To test our hypothesis, we explored the comparative pharmacokinetics and neuroprotective properties of d- and L-carnosine in acute ischaemic stroke in mice. We initially investigated the pharmacokinetics of d- and L-carnosine in serum and brain after intravenous (IV) injection in mice. We then investigated the comparative efficacy of d- and l-carnosine in a mouse model of transient focal cerebral ischemia followed by in vitro testing against excitotoxicity and free radical generation using primary neuronal cultures. The pharmacokinetics of d- and l-carnosine were similar in serum and brain after IV injection in mice. Both d- and l-carnosine exhibited similar efficacy against mouse focal cerebral ischemia. In vitro studies in neurons showed protection against excitotoxicity and the accumulation of free radicals. d- and l-carnosine exhibit similar pharmacokinetics and have similar efficacy against experimental stroke in mice. Since humans have far higher levels of carnosinases, d-carnosine may have more favorable pharmacokinetics in future human studies.
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Chmielewska K, Dzierzbicka K, Inkielewicz-Stępniak I, Przybyłowska M. Therapeutic Potential of Carnosine and Its Derivatives in the Treatment of Human Diseases. Chem Res Toxicol 2020; 33:1561-1578. [PMID: 32202758 DOI: 10.1021/acs.chemrestox.0c00010] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Despite significant progress in the pathogenesis, diagnosis, treatment, and prevention of cancer and neurodegenerative diseases, their occurrence and mortality are still high around the world. The resistance of cancer cells to the drugs remains a significant problem in oncology today, while in the case of neuro-degenerative diseases, therapies reversing the process are still yet to be found. Furthermore, it is important to seek new chemotherapeutics reversing side effects of currently used drugs or helping them perform their function to inhibit progression of the disease. Carnosine, a dipeptide constisting of β-alanine and l-histidine, has a variety of functions to mention: antioxidant, antiglycation, and reducing the toxicity of metal ions. It has therefore been proposed to act as a therapeutic agent for many pathological states. The aim of this paper was to find if carnosine and its derivatives can be helpful in treating various diseases. Literature search presented in this review includes review and original papers found in SciFinder, PubMed, and Google Scholar. Searches were based on substantial keywords concerning therapeutic usage of carnosine and its derivatives in several diseases including neurodegenerative disorders and cancer. In this paper, we review articles and find that carnosine and its derivatives are potential therapeutic agents in many diseases including cancer, neurodegenerative diseases, diabetes, and schizophrenia. Carnosine and its derivatives can be used in treating neurodegenerative diseases, cancer, diabetes, or schizophrenia, although their usage is limited. Therefore, there's an urge to synthesize and analyze new substances, overcoming the limitation of carnosine itself.
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Affiliation(s)
- Klaudia Chmielewska
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk 80-233, Poland
| | - Krystyna Dzierzbicka
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk 80-233, Poland
| | - Iwona Inkielewicz-Stępniak
- Department of Medical Chemistry, Faculty of Medicine, Medical University of Gdansk, Gdansk 80-211, Poland
| | - Maja Przybyłowska
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk 80-233, Poland
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Vistoli G, Aldini G, Fumagalli L, Dallanoce C, Angeli A, Supuran CT. Activation Effects of Carnosine- and Histidine-Containing Dipeptides on Human Carbonic Anhydrases: A Comprehensive Study. Int J Mol Sci 2020; 21:ijms21051761. [PMID: 32143488 PMCID: PMC7084589 DOI: 10.3390/ijms21051761] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/19/2020] [Accepted: 03/02/2020] [Indexed: 12/27/2022] Open
Abstract
l-Carnosine (β-Ala-l-His) and several other histidine-containing peptides, including two N-methylated forms on the imidazole ring (l-anserine and l-balenine), two derivatives modified on the carboxyl function (carcinine and l-carnosinamide), two analogues differing in the length of the N-terminal residue (l-homocarnosine and Gly-l-His) and the N-acetyl derivatives, were investigated as activators of four isoforms of the metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1). The four human isoforms hCA I, II, VA and IX were activated in the low to high micromolar range, with a rather complex structure activity relationship. A performed computational study allowed us to rationalize these results and to propose a binding mode of these activators within the enzyme active site. Similarly to other CA activators, the here studied peptides could find relevant pharmacological applications such as in the management of CA deficiencies, for therapy memory and enhancing cognition or for artificial tissues engineering.
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Affiliation(s)
- Giulio Vistoli
- Department of Pharmaceutical Sciences, University of Milan, Via Luigi Mangiagalli 25, 20133 Milan, Italy; (G.A.); (L.F.); (C.D.)
- Correspondence: (G.V.); (C.T.S.); Tel.: +39-025-0319349 (G.V.); +39-055-4573729 (C.T.S.); Fax: +39-055-4573729 (C.T.S.)
| | - Giancarlo Aldini
- Department of Pharmaceutical Sciences, University of Milan, Via Luigi Mangiagalli 25, 20133 Milan, Italy; (G.A.); (L.F.); (C.D.)
| | - Laura Fumagalli
- Department of Pharmaceutical Sciences, University of Milan, Via Luigi Mangiagalli 25, 20133 Milan, Italy; (G.A.); (L.F.); (C.D.)
| | - Clelia Dallanoce
- Department of Pharmaceutical Sciences, University of Milan, Via Luigi Mangiagalli 25, 20133 Milan, Italy; (G.A.); (L.F.); (C.D.)
| | - Andrea Angeli
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy;
| | - Claudiu T. Supuran
- Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy;
- Correspondence: (G.V.); (C.T.S.); Tel.: +39-025-0319349 (G.V.); +39-055-4573729 (C.T.S.); Fax: +39-055-4573729 (C.T.S.)
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18
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Wu G. Important roles of dietary taurine, creatine, carnosine, anserine and 4-hydroxyproline in human nutrition and health. Amino Acids 2020; 52:329-360. [PMID: 32072297 PMCID: PMC7088015 DOI: 10.1007/s00726-020-02823-6] [Citation(s) in RCA: 217] [Impact Index Per Article: 54.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/29/2020] [Indexed: 12/24/2022]
Abstract
Taurine (a sulfur-containing β-amino acid), creatine (a metabolite of arginine, glycine and methionine), carnosine (a dipeptide; β-alanyl-L-histidine), and 4-hydroxyproline (an imino acid; also often referred to as an amino acid) were discovered in cattle, and the discovery of anserine (a methylated product of carnosine; β-alanyl-1-methyl-L-histidine) also originated with cattle. These five nutrients are highly abundant in beef, and have important physiological roles in anti-oxidative and anti-inflammatory reactions, as well as neurological, muscular, retinal, immunological and cardiovascular function. Of particular note, taurine, carnosine, anserine, and creatine are absent from plants, and hydroxyproline is negligible in many plant-source foods. Consumption of 30 g dry beef can fully meet daily physiological needs of the healthy 70-kg adult human for taurine and carnosine, and can also provide large amounts of creatine, anserine and 4-hydroxyproline to improve human nutrition and health, including metabolic, retinal, immunological, muscular, cartilage, neurological, and cardiovascular health. The present review provides the public with the much-needed knowledge of nutritionally and physiologically significant amino acids, dipeptides and creatine in animal-source foods (including beef). Dietary taurine, creatine, carnosine, anserine and 4-hydroxyproline are beneficial for preventing and treating obesity, cardiovascular dysfunction, and ageing-related disorders, as well as inhibiting tumorigenesis, improving skin and bone health, ameliorating neurological abnormalities, and promoting well being in infants, children and adults. Furthermore, these nutrients may promote the immunological defense of humans against infections by bacteria, fungi, parasites, and viruses (including coronavirus) through enhancing the metabolism and functions of monocytes, macrophages, and other cells of the immune system. Red meat (including beef) is a functional food for optimizing human growth, development and health.
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Affiliation(s)
- Guoyao Wu
- Department of Animal Science and Faculty of Nutrition, Texas A&M University, College Station, TX, 77843-2471, USA.
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19
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Jargin SV. Scientific Papers and Patents on Substances with Unproven Effects. ACTA ACUST UNITED AC 2020; 13:37-45. [PMID: 30848224 DOI: 10.2174/1872211313666190307162041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 02/26/2019] [Accepted: 02/26/2019] [Indexed: 01/22/2023]
Abstract
It is evident from reviewing scientific literature that the quality of argumentation in some areas of medical research has deteriorated during the last decades. Publication of a series of questionable reliability has continued without making references to the published criticism; examples are discussed in this review. Another tendency is that drugs without proven efficiency are advertised, corresponding products patented and marketed as evidence-based medications. Professional publications are required to register drugs and dietary supplements to obtain permissions for the practical use; and such papers appeared, sometimes being of questionable reliability. Several examples are discussed in this review when substances without proven effects were patented and introduced into practice being supported by publications of questionable reliability. Some of the topics are not entirely clear; and the arguments provided here can induce a constructive discussion.
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Affiliation(s)
- Sergei V Jargin
- Peoples' Friendship University of Russia, Clementovski per 6-82, 115184 Moscow, Russian Federation
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20
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Canfield CA, Bradshaw PC. Amino acids in the regulation of aging and aging-related diseases. TRANSLATIONAL MEDICINE OF AGING 2019. [DOI: 10.1016/j.tma.2019.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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21
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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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Noguchi K, Ali TFS, Miyoshi J, Orito K, Negoto T, Biswas T, Taira N, Koga R, Okamoto Y, Fujita M, Otsuka M, Morioka M. Neuroprotective effects of a novel carnosine-hydrazide derivative on hippocampal CA1 damage after transient cerebral ischemia. Eur J Med Chem 2018; 163:207-214. [PMID: 30522055 DOI: 10.1016/j.ejmech.2018.11.060] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 11/23/2018] [Indexed: 12/11/2022]
Abstract
Ischemia-reperfusion injuries produce reactive oxygen species that promote the peroxide lipid oxidation process resulting in the production of an endogenic lipid peroxide, 4-hydroxy-trans-2-nonenal (4-HNE), a highly cytotoxic aldehyde that induces cell death. We synthesized a novel 4-HNE scavenger - a carnosine-hydrazide derivative, l-carnosine hydrazide (CNN) - and examined its neuroprotective effect in a model of transient ischemia. PC-12 cells were pre-incubated with various doses (0-50 mmol/L) of CNN for 30 min, followed by incubation with 4-HNE (250 μM). An MTT assay was performed 24 h later to examine cell survival. Transient ischemia was induced by bilateral common carotid artery occlusion (BCCO) in the Mongolian gerbil. Animals were assigned to sham-operated (n = 6), placebo-treated (n = 12), CNN pre-treated (20 mg/kg; n = 12), CNN post-treated (100 mg/kg; n = 11), and histidyl hydrazide (a previously known 4-HNE scavenger) post-treated (100 mg/kg; n = 7) groups. Heat shock protein 70 immunoreactivity in the hippocampal CA1 region was evaluated 24 h later, while delayed neuronal death using 4-HNE staining was evaluated 7 days later. Pre-incubation with 30 mmol/L CNN completely inhibited 4-HNE-induced cell toxicity. CNN prevented delayed neuronal death by >60% in the pre-treated group (p < 0.001) and by >40% in the post-treated group (p < 0.01). Histidyl hydrazide post-treatment elicited no protective effect. CNN pre-treatment resulted in high heat shock protein 70 and low 4-HNE immunoreactivity in CA1 pyramidal neurons. Higher 4-HNE immunoreactivity was also found in the placebo-treated animals than in the CNN pre-treated animals. Our novel compound, CNN, elicited highly effective 4-HNE scavenging activity in vitro. Furthermore, CNN administration both pre- and post-BCCO remarkably reduced delayed neuronal death in the hippocampal CA1 region via its induction of heat shock protein 70 and scavenging of 4-HNE.
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Affiliation(s)
- Kei Noguchi
- Department of Neurosurgery, Kurume University, School of Medicine, Fukuoka, Japan
| | - Taha F S Ali
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan; Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Junko Miyoshi
- Department of Neurosurgery, Kurume University, School of Medicine, Fukuoka, Japan
| | - Kimihiko Orito
- Department of Neurosurgery, Kurume University, School of Medicine, Fukuoka, Japan
| | - Tetsuya Negoto
- Department of Neurosurgery, Kurume University, School of Medicine, Fukuoka, Japan
| | - Tanima Biswas
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan
| | - Naomi Taira
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan
| | - Ryoko Koga
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan
| | - Yoshinari Okamoto
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan
| | - Mikako Fujita
- Research Institute for Drug Discovery, Kumamoto University, Kumamoto, Japan
| | - Masami Otsuka
- Department of Bioorganic and Medicinal Chemistry, Kumamoto University, Kumamoto, Japan
| | - Motohiro Morioka
- Department of Neurosurgery, Kurume University, School of Medicine, Fukuoka, Japan.
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23
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Colín‐Barenque L, Bizarro‐Nevares P, González Villalva A, Pedraza‐Chaverri J, Medina‐Campos ON, Jimenez‐Martínez R, Rodríguez‐Rangel DS, Reséndiz S, Fortoul TI. Neuroprotective effect of carnosine in the olfactory bulb after vanadium inhalation in a mouse model. Int J Exp Pathol 2018; 99:180-188. [PMID: 30198103 PMCID: PMC6157302 DOI: 10.1111/iep.12285] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 07/07/2018] [Indexed: 12/25/2022] Open
Abstract
Carnosine (β-alanyl-L-histidine) is synthesized in the olfactory system, has antioxidant activity as a scavenger of free radicals and has been reported to have neuroprotective action in diseases which have been attributed to oxidative damage. In neurodegenerative disorders, such as Parkinson's and Alzheimer's diseases, impairment of olfactory function has been described. Vanadium derivatives are environmental pollutants, and its toxicity has been associated with oxidative stress. Vanadium toxicity on the olfactory bulb was reported previously. This study investigates the neuroprotective effect of carnosine on the olfactory bulb in a mice model of vanadium inhalation. Male mice were divided into four groups: vanadium pentoxide (V2 O5 ) [0.02 mol/L] inhalation for one hour twice a week; V2 O5 inhalation plus 1 mg/kg of carnosine administered daily; carnosine only, and the control group that inhaled saline. The olfactory function was evaluated using the odorant test. Animals were sacrificed four weeks after exposure. The olfactory bulbs were dissected and processed using the rapid Golgi method; cytological and ultrastructural analysis was performed and malondialdehyde (MDA) concentrations were measured. The results showed evidence of olfactory dysfunction caused by vanadium exposure and also an increase in MDA levels, loss of dendritic spines and necrotic neuronal death in the granule cells. But, in contrast, vanadium-exposed mice treated with carnosine showed an increase in dendritic spines and a decrease in neuronal death and in MDA levels when compared with the group exposed to vanadium without carnosine. These results suggest that dendritic spine loss and ultrastructural alterations in the granule cells induced by vanadium are mediated by oxidative stress and that carnosine may modulate the neurotoxic vanadium action, improving the olfactory function.
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Affiliation(s)
| | | | | | | | | | | | | | - Stefanie Reséndiz
- Departamento de Biología Celular y TisularFacultad de MedicinaUNAMMéxico CityMéxico
| | - Teresa I. Fortoul
- Departamento de Biología Celular y TisularFacultad de MedicinaUNAMMéxico CityMéxico
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Peptide based therapeutics and their use for the treatment of neurodegenerative and other diseases. Biomed Pharmacother 2018; 103:574-581. [PMID: 29677544 DOI: 10.1016/j.biopha.2018.04.025] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/21/2018] [Accepted: 04/03/2018] [Indexed: 12/16/2022] Open
Abstract
Bioactive peptides are actively involved in different biological functions and importantly contribute to human health, and the use of peptides as therapeutics has a long successful history in disease management. A number of peptides have wide-ranging therapeutic effects, such as antioxidant, antimicrobial, and antithrombotic effects. Neurodegenerative diseases are typically caused by abnormal aggregations of proteins or peptides, and the depositions of these aggregates in or on neurons, disrupt signaling and eventually kill neurons. During recent years, research on short peptides has advanced tremendously. This review offers a brief introduction to peptide based therapeutics and their application in disease management and provides an overview of peptide vaccines, and toxicity related issues. In addition, the importance of peptides in the management of different neurodegenerative diseases and their therapeutic applications is discussed. The present review provides an understanding of peptides and their applications for the management of different diseases, but with focus on neurodegenerative diseases. The role of peptides as anti-cancer, antimicrobial and antidiabetic agents has also been discussed.
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Yamakawa-Kobayashi K, Otagi E, Ohhara Y, Goda T, Kasezawa N, Kayashima Y. The Combined Effects of Genetic Variation in the CNDP1 and CNDP2 Genes and Dietary Carbohydrate and Carotene Intake on Obesity Risk. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2018; 10:146-154. [PMID: 29402779 DOI: 10.1159/000485798] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Accepted: 11/23/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS It is possible that carnosinase (CNDP1) and cellular nonspecific dipeptidase (CNDP2) have important roles in protecting cells and tissues against the damage of oxidative stress. Oxidative stress and subsequent inflammation are key factors in the development of common chronic metabolic diseases, such as obesity. We aimed to investigate the combined effects of genetic variations in CNDP1 and CNDP2 and dietary carbohydrate and carotene intake on obesity risk. METHODS A total of 1,059 Japanese men were randomly selected from participants who visited a medical center for routine medical checkups. We analyzed the relationships between the genotypes of 4 single-nucleotide polymorphisms (SNPs) (rs12605520, rs7244647, rs4891558, and rs17089368) in the CNDP1/CNDP2 locus and body mass index or prevalence of obesity/overweight taking into account dietary carbohydrate and carotene intake. RESULTS We found that 2 SNPs (rs7244647 in CNDP1 and rs4891558 in CNDP2) were associated with obesity risk. In addition, these associations were observed only in the group with high carbohydrate and low carotene intake but not in the group with low carbohydrate and high carotene intake. CONCLUSIONS Our findings indicate that the combination of genetic variations in CNDP1 and CNDP2 and dietary carbohydrate/carotene intake modulate obesity risk.
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Affiliation(s)
- Kimiko Yamakawa-Kobayashi
- Laboratory of Human Genetics, School of Food and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
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26
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Freitas HR, Ferreira GDC, Trevenzoli IH, Oliveira KDJ, de Melo Reis RA. Fatty Acids, Antioxidants and Physical Activity in Brain Aging. Nutrients 2017; 9:nu9111263. [PMID: 29156608 PMCID: PMC5707735 DOI: 10.3390/nu9111263] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 11/11/2017] [Accepted: 11/14/2017] [Indexed: 12/25/2022] Open
Abstract
Polyunsaturated fatty acids and antioxidants are important mediators in the central nervous system. Lipid derivatives may control the production of proinflammatory agents and regulate NF-κB activity, microglial activation, and fatty acid oxidation; on the other hand, antioxidants, such as glutathione and ascorbate, have been shown to signal through transmitter receptors and protect against acute and chronic oxidative stress, modulating the activity of different signaling pathways. Several authors have investigated the role of these nutrients in the brains of the young and the aged in degenerative diseases such as Alzheimer’s and Parkinson’s, and during brain aging due to adiposity- and physical inactivity-mediated metabolic disturbances, chronic inflammation, and oxidative stress. Through a literature review, we aimed to highlight recent data on the role of adiposity, fatty acids, antioxidants, and physical inactivity in the pathophysiology of the brain and in the molecular mechanisms of senescence. Data indicate the complexity and necessity of endogenous/dietary antioxidants for the maintenance of redox status and the control of neuroglial signaling under stress. Recent studies also indicate that omega-3 and -6 fatty acids act in a competitive manner to generate mediators for energy metabolism, influencing feeding behavior, neural plasticity, and memory during aging. Finding pharmacological or dietary resources that mitigate or prevent neurodegenerative affections continues to be a great challenge and requires additional effort from researchers, clinicians, and nutritionists in the field.
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Affiliation(s)
- Hércules Rezende Freitas
- Laboratory of Neurochemistry, Institute of Biophysics Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
| | - Gustavo da Costa Ferreira
- Laboratory of Neurochemistry, Institute of Biophysics Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
- Laboratory of Neuroenergetics and Inborn Errors of Metabolism, Institute of Medical Biochemistry Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
| | - Isis Hara Trevenzoli
- Laboratory of Molecular Endocrinology, Institute of Biophysics Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
| | - Karen de Jesus Oliveira
- Laboratory of Endocrine Physiology and Metabology, Biomedical Institute, Universidade Federal Fluminense, Niterói 24210-130, Brazil.
| | - Ricardo Augusto de Melo Reis
- Laboratory of Neurochemistry, Institute of Biophysics Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, Brazil.
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27
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Hipkiss AR. On the Relationship between Energy Metabolism, Proteostasis, Aging and Parkinson's Disease: Possible Causative Role of Methylglyoxal and Alleviative Potential of Carnosine. Aging Dis 2017; 8:334-345. [PMID: 28580188 PMCID: PMC5440112 DOI: 10.14336/ad.2016.1030] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Accepted: 10/30/2016] [Indexed: 12/25/2022] Open
Abstract
Recent research shows that energy metabolism can strongly influence proteostasis and thereby affect onset of aging and related disease such as Parkinson's disease (PD). Changes in glycolytic and proteolytic activities (influenced by diet and development) are suggested to synergistically create a self-reinforcing deleterious cycle via enhanced formation of triose phosphates (dihydroxyacetone-phosphate and glyceraldehyde-3-phosphate) and their decomposition product methylglyoxal (MG). It is proposed that triose phosphates and/or MG contribute to the development of PD and its attendant pathophysiological symptoms. MG can induce many of the macromolecular modifications (e.g. protein glycation) which characterise the aged-phenotype. MG can also react with dopamine to generate a salsolinol-like product, 1-acetyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinaline (ADTIQ), which accumulates in the Parkinson's disease (PD) brain and whose effects on mitochondria, analogous to MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine), closely resemble changes associated with PD. MG can directly damage the intracellular proteolytic apparatus and modify proteins into non-degradable (cross-linked) forms. It is suggested that increased endogenous MG formation may result from either, or both, enhanced glycolytic activity and decreased proteolytic activity and contribute to the macromolecular changes associated with PD. Carnosine, a naturally-occurring dipeptide, may ameliorate MG-induced effects due, in part, to its carbonyl-scavenging activity. The possibility that ingestion of highly glycated proteins could also contribute to age-related brain dysfunction is briefly discussed.
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Affiliation(s)
- Alan R. Hipkiss
- Aston Research Centre for Healthy Ageing (ARCHA), School of Health and Life Sciences, Aston University, Birmingham B4 7ET, United Kingdom
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Yanai K, Yoshikawa T, Yanai A, Nakamura T, Iida T, Leurs R, Tashiro M. The clinical pharmacology of non-sedating antihistamines. Pharmacol Ther 2017; 178:148-156. [PMID: 28457804 DOI: 10.1016/j.pharmthera.2017.04.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We previously reported on brain H1 receptor occupancy measurements of antihistamines in human brain using [11C]doxepin and positron emission tomography (PET). We proposed the use of brain H1 receptor occupancy to classify antihistamines objectively into three categories of sedating, less-sedating, and non-sedating antihistamines according to their sedative effects. Non-sedating antihistamines are recommended for the treatment of allergies such as pollinosis and atopic dermatitis because of their low penetration into the central nervous system. Physicians and pharmacists are responsible for fully educating patients about the risks of sedating antihistamines from pharmacological points of view. If a sedating antihistamine must be prescribed, its sedative effects should be thoroughly considered before choosing the drug. Non-sedating antihistamines should be preferentially used whenever possible as most antihistamines are equally efficacious, while adverse effects of sedating antihistamines can be serious. This review summarizes the pharmacological properties of clinically useful non-sedating antihistamines from the perspective of histamine function in the CNS.
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Affiliation(s)
- Kazuhiko Yanai
- Department of Pharmacology, Tohoku University School of Medicine, Sendai 980-8575, Japan; Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
| | - Takeo Yoshikawa
- Department of Pharmacology, Tohoku University School of Medicine, Sendai 980-8575, Japan.
| | - Ai Yanai
- Department of Pharmacology, Tohoku University School of Medicine, Sendai 980-8575, Japan
| | - Tadaho Nakamura
- Department of Pharmacology, Tohoku Medical and Pharmaceutical University, Sendai 981-8558, Japan
| | - Tomomitsu Iida
- Department of Pharmacology, Tohoku University School of Medicine, Sendai 980-8575, Japan
| | - Rob Leurs
- Amsterdam Institute of Molecules, Medicines and Systems, Department of Medicinal Chemistry, Vrije Universiteit Amsterdam, The Netherlands
| | - Manabu Tashiro
- Cyclotron and Radioisotope Center, Tohoku University, Sendai 980-8578, Japan
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29
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Hipkiss AR. Depression, Diabetes and Dementia: Formaldehyde May Be a Common Causal Agent; Could Carnosine, a Pluripotent Peptide, Be Protective? Aging Dis 2017; 8:128-130. [PMID: 28400979 PMCID: PMC5362172 DOI: 10.14336/ad.2017.0120] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 01/20/2017] [Indexed: 01/31/2023] Open
Affiliation(s)
- Alan R Hipkiss
- Aston Research Centre for Healthy Ageing (ARCHA), Aston University, Birmingham, B4 7ET, U.K
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30
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Caruso G, Fresta CG, Martinez-Becerra F, Antonio L, Johnson RT, de Campos RPS, Siegel JM, Wijesinghe MB, Lazzarino G, Lunte SM. Carnosine modulates nitric oxide in stimulated murine RAW 264.7 macrophages. Mol Cell Biochem 2017; 431:197-210. [PMID: 28290048 DOI: 10.1007/s11010-017-2991-3] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 02/24/2017] [Indexed: 12/24/2022]
Abstract
Excess nitric oxide (NO) production occurs in several pathological states, including neurodegeneration, ischemia, and inflammation, and is generally accompanied by increased oxidative/nitrosative stress. Carnosine [β-alanine-histidine (β-Ala-His)] has been reported to decrease oxidative/nitrosative stress-associated cell damage by reducing the amount of NO produced. In this study, we evaluated the effect of carnosine on NO production by murine RAW 264.7 macrophages stimulated with lipopolysaccharides + interferon-γ. Intracellular NO and intracellular and extracellular nitrite were measured by microchip electrophoresis with laser-induced fluorescence and by the Griess assay, respectively. Results showed that carnosine causes an apparent suppression of total NO production by stimulated macrophages accompanied by an unexpected simultaneous drastic increase in its intracellular low toxicity endproduct, nitrite, with no inhibition of inducible nitric oxide synthase (iNOS). ESI-MS and NMR spectroscopy in a cell-free system showed the formation of multiple adducts (at different ratios) of carnosine-NO and carnosine-nitrite, involving both constituent amino acids (β-Ala and His) of carnosine, thus providing a possible mechanism for the changes in free NO and nitrite in the presence of carnosine. In stimulated macrophages, the addition of carnosine was also characterized by changes in the expression of macrophage activation markers and a decrease in the release of IL-6, suggesting that carnosine might alter M1/M2 macrophage ratio. These results provide evidence for previously unknown properties of carnosine that modulate the NO/nitrite ratio of stimulated macrophages. This modulation is also accompanied by changes in the release of pro-inflammatory molecules, and does not involve the inhibition of iNOS activity.
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Affiliation(s)
- Giuseppe Caruso
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Claudia G Fresta
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Francisco Martinez-Becerra
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA.,Immunology Core Laboratory of the Kansas Vaccine Institute, University of Kansas, Lawrence, KS, USA
| | - Lopalco Antonio
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Ryan T Johnson
- Department of Chemistry, University of Kansas, Lawrence, KS, USA
| | - Richard P S de Campos
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Chemistry, State University of Campinas, Campinas, Brazil
| | - Joseph M Siegel
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Manjula B Wijesinghe
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA.,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA
| | - Giuseppe Lazzarino
- Division of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
| | - Susan M Lunte
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS, USA. .,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA. .,Department of Chemistry, University of Kansas, Lawrence, KS, USA.
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31
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Carnosine modulates glutamine synthetase expression in senescent astrocytes exposed to oxygen-glucose deprivation/recovery. Brain Res Bull 2017; 130:138-145. [PMID: 28115195 DOI: 10.1016/j.brainresbull.2017.01.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 01/17/2017] [Accepted: 01/19/2017] [Indexed: 12/22/2022]
Abstract
Carnosine is believed to be neuroprotective in cerebral ischemia. However, few reports concern its function on senescent astrocytes during cerebral ischemia. The aim of this study was to investigate the effects of carnosine on cell damage and glutamine synthetase (GS) expression in D-galactose-induced senescent astrocytes exposed to oxygen-glucose deprivation/recovery (OGD/R). The results showed that OGD/R caused massive cell damage and a significant decrease in GS expression both in the young and senescent astrocytes. The GS expression level was partly recovered whereas it continued to decline in the recovery stage in the young and senescent astrocytes, respectively. Decreased GS expression significantly inhibited glutamate uptake and glutamine production and release. Carnosine prevented the cell damage, rescued the expression of GS and reversed the glutamate uptake activity and glutamine production in the senescent astrocytes exposed to OGD/R. The modulatory effect of carnosine on GS expression was partly antagonized by pyrilamine, a selective histamine H1 receptors antagonist, but not bestatin. Bisindolylmaleimide II, a broad-spectrum inhibitor of PKC could also reverse the action of carnosine on GS expression. Thus, histamine H1 receptors and PKC pathway may be involved in the modulatory action of carnosine in GS expression in the senescent astrocytes exposed to OGD/R.
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32
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Ahshin-Majd S, Zamani S, Kiamari T, Kiasalari Z, Baluchnejadmojarad T, Roghani M. Carnosine ameliorates cognitive deficits in streptozotocin-induced diabetic rats: Possible involved mechanisms. Peptides 2016; 86:102-111. [PMID: 27777064 DOI: 10.1016/j.peptides.2016.10.008] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/12/2016] [Accepted: 10/21/2016] [Indexed: 12/23/2022]
Abstract
Diabetic patients are at increased risk to develop cognitive deficit and senile dementia. This study was planned to assess the benefits of chronic carnosine administration on prevention of learning and memory deterioration in streptozotocin (STZ)-diabetic rats and to explore some of the involved mechanisms. Rats were divided into 5 groups: i.e., control, carnosine100-treated control, diabetic, and carnosine-treated diabetics (50 and 100mg/kg). Carnosine was injected i.p. at doses of 50 or 100mg/kg for 7 weeks, started 1 week after induction of diabetes using streptozotocin. Treatment of diabetic rats with carnosine at a dose of 100mg/kg at the end of the study lowered serum glucose, improved spatial recognition memory in Y maze, improved retention and recall in elevated plus maze, and prevented reduction of step-through latency in passive avoidance task. Furthermore, carnosine at a dose of 100mg/kg reduced hippocampal acetylcholinesterase (AChE) activity, lowered lipid peroxidation, and improved superoxide dismutase (SOD) activity and non-enzymatic antioxidant defense element glutathione (GSH), but not activity of catalase. Meanwhile, hippocampal level of nuclear factor-kappaB (NF-κB), tumor necrosis factor α (TNF-α), and glial fibrillary acidic protein (GFAP) decreased and level of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and heme oxygenase 1 (HO-1) increased upon treatment of diabetic group with carnosine at a dose of 100mg/kg. Taken together, chronic carnosine treatment could ameliorate learning and memory disturbances in STZ-diabetic rats through intonation of NF-κB/Nrf2/HO-1 signaling cascade, attenuation of astrogliosis, possible improvement of cholinergic function, and amelioration of oxidative stress and neuroinflammation.
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Affiliation(s)
| | | | | | - Zahra Kiasalari
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
| | | | - Mehrdad Roghani
- Neurophysiology Research Center, Shahed University, Tehran, Iran.
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33
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Sciatti E, Lombardi C, Ravera A, Vizzardi E, Bonadei I, Carubelli V, Gorga E, Metra M. Nutritional Deficiency in Patients with Heart Failure. Nutrients 2016; 8:E442. [PMID: 27455314 PMCID: PMC4963918 DOI: 10.3390/nu8070442] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Revised: 07/13/2016] [Accepted: 07/15/2016] [Indexed: 01/06/2023] Open
Abstract
Heart failure (HF) is the main cause of mortality and morbidity in Western countries. Although evidence-based treatments have substantially improved outcomes, prognosis remains poor with high costs for health care systems. In patients with HF, poor dietary behaviors are associated with unsatisfactory quality of life and adverse outcome. The HF guidelines have not recommended a specific nutritional strategy. Despite the role of micronutrient deficiency, it has been extensively studied, and data about the efficacy of supplementation therapy in HF are not supported by large randomized trials and there is limited evidence regarding the outcomes. The aim of the present review is to analyze the state-of-the-art of nutritional deficiencies in HF, focusing on the physiological role and the prognostic impact of micronutrient supplementation.
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Affiliation(s)
- Edoardo Sciatti
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Carlo Lombardi
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Alice Ravera
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Enrico Vizzardi
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Ivano Bonadei
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Valentina Carubelli
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Elio Gorga
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
| | - Marco Metra
- Cardiology, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Piazzale Spedali Civili 1, Brescia 25123, Italy.
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34
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Jargin SV. On the use of carnosine and antioxidants: A letter from Russia. JOURNAL OF COMPLEMENTARY MEDICINE RESEARCH 2016; 5:317-9. [PMID: 27366359 PMCID: PMC4927138 DOI: 10.5455/jice.20160409010229] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 04/09/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Sergei V Jargin
- Department of Public Health, Peoples' Friendship University of Russia, Moscow, Russia
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