1
|
Sailer J, Nagel J, Akdogan B, Jauch AT, Engler J, Knolle PA, Zischka H. Deadly excess copper. Redox Biol 2024; 75:103256. [PMID: 38959622 PMCID: PMC11269798 DOI: 10.1016/j.redox.2024.103256] [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: 04/27/2024] [Revised: 06/13/2024] [Accepted: 06/23/2024] [Indexed: 07/05/2024] Open
Abstract
Higher eukaryotes' life is impossible without copper redox activity and, literally, every breath we take biochemically demonstrates this. However, this dependence comes at a considerable price to ensure target-oriented copper action. Thereto its uptake, distribution but also excretion are executed by specialized proteins with high affinity for the transition metal. Consequently, malfunction of copper enzymes/transporters, as is the case in hereditary Wilson disease that affects the intracellular copper transporter ATP7B, comes with serious cellular damage. One hallmark of this disease is the progressive copper accumulation, primarily in liver but also brain that becomes deadly if left untreated. Such excess copper toxicity may also result from accidental ingestion or attempted suicide. Recent research has shed new light into the cell-toxic mechanisms and primarily affected intracellular targets and processes of such excess copper that may even be exploited with respect to cancer therapy. Moreover, new therapies are currently under development to fight against deadly toxic copper.
Collapse
Affiliation(s)
- Judith Sailer
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine and Health, Munich, Germany
| | - Judith Nagel
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine and Health, Munich, Germany
| | - Banu Akdogan
- Institute of Molecular Toxicology and Pharmacology, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Adrian T Jauch
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine and Health, Munich, Germany
| | - Jonas Engler
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine and Health, Munich, Germany
| | - Percy A Knolle
- Institute of Molecular Immunology and Experimental Oncology, Technical University Munich, School of Medicine and Health, Munich, Germany
| | - Hans Zischka
- Institute of Toxicology and Environmental Hygiene, Technical University Munich, School of Medicine and Health, Munich, Germany; Institute of Molecular Toxicology and Pharmacology, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany.
| |
Collapse
|
2
|
You H, Lu B. Diverse Functions of Multiple Bdnf Transcripts Driven by Distinct Bdnf Promoters. Biomolecules 2023; 13:biom13040655. [PMID: 37189402 DOI: 10.3390/biom13040655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/01/2023] [Accepted: 04/04/2023] [Indexed: 05/17/2023] Open
Abstract
The gene encoding brain-derived neurotrophic factor (Bdnf) consists of nine non-coding exons driven by unique promoters, leading to the expression of nine Bdnf transcripts that play different roles in various brain regions and physiological stages. In this manuscript, we present a comprehensive overview of the molecular regulation and structural characteristics of the multiple Bdnf promoters, along with a summary of the current knowledge on the cellular and physiological functions of the distinct Bdnf transcripts produced by these promoters. Specifically, we summarized the role of Bdnf transcripts in psychiatric disorders, including schizophrenia and anxiety, as well as the cognitive functions associated with specific Bdnf promoters. Moreover, we examine the involvement of different Bdnf promoters in various aspects of metabolism. Finally, we propose future research directions that will enhance our understanding of the complex functions of Bdnf and its diverse promoters.
Collapse
Affiliation(s)
- He You
- School of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University, Beijing 100084, China
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Bai Lu
- School of Pharmaceutical Sciences, IDG/McGovern Institute for Brain Research, Tsinghua University, Beijing 100084, China
- Stellenbosch Institute for Advanced Study (STIAS), Wallenberg Centre, 10 Marais Street, Stellenbosch 7600, South Africa
| |
Collapse
|
3
|
Chrysin protects against cerebral ischemia-reperfusion injury in hippocampus via restraining oxidative stress and transition elements. Biomed Pharmacother 2023; 161:114534. [PMID: 36933376 DOI: 10.1016/j.biopha.2023.114534] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/08/2023] [Accepted: 03/13/2023] [Indexed: 03/18/2023] Open
Abstract
Chrysin is a natural flavonoid compound that has antioxidant and neuroprotective effects. Cerebral ischemia reperfusion (CIR) is closely connected with increased oxidative stress in the hippocampal CA1 region and homeostasis disorder of transition elements such as iron (Fe), copper (Cu) and zinc (Zn). This exploration was conducted to elucidate the antioxidant and neuroprotective effects of chrysin based on transient middle cerebral artery occlusion (tMCAO) in rats. Experimentally, sham group, model group, chrysin (50.0 mg/kg) group, Ginaton (21.6 mg/kg) group, Dimethyloxallyl Glycine (DMOG, 20.0 mg/kg) + chrysin group and DMOG group were devised. The rats in each group were performed to behavioral evaluation, histological staining, biochemical kit detection, and molecular biological detection. The results indicated that chrysin restrained oxidative stress and the rise of transition element levels, and regulated transition element transporter levels in tMCAO rats. DMOG activated hypoxia-inducible factor-1 subunit alpha (HIF-1α), reversed the antioxidant and neuroprotective effects of chrysin, and increased transition element levels. In a word, our findings emphasize that chrysin plays a critical role in protecting CIR injury via inhibiting HIF-1α against enhancive oxidative stress and raised transition metal levels.
Collapse
|
4
|
Russo L, Giacomelli C, Fortino M, Marzo T, Ferri G, Calvello M, Viegi A, Magrì A, Pratesi A, Pietropaolo A, Cardarelli F, Martini C, Rizzarelli E, Marchetti L, La Mendola D, Trincavelli ML. Neurotrophic Activity and Its Modulation by Zinc Ion of a Dimeric Peptide Mimicking the Brain-Derived Neurotrophic Factor N-Terminal Region. ACS Chem Neurosci 2022; 13:3453-3463. [PMID: 36346920 PMCID: PMC9732821 DOI: 10.1021/acschemneuro.2c00463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) is a neurotrophin (NT) essential for neuronal development and synaptic plasticity. Dysregulation of BDNF signaling is implicated in different neurological disorders. The direct NT administration as therapeutics has revealed to be challenging. This has prompted the design of peptides mimicking different regions of the BDNF structure. Although loops 2 and 4 have been thoroughly investigated, less is known regarding the BDNF N-terminal region, which is involved in the selective recognition of the TrkB receptor. Herein, a dimeric form of the linear peptide encompassing the 1-12 residues of the BDNF N-terminal (d-bdnf) was synthesized. It demonstrated to act as an agonist promoting specific phosphorylation of TrkB and downstream ERK and AKT effectors. The ability to promote TrkB dimerization was investigated by advanced fluorescence microscopy and molecular dynamics (MD) simulations, finding activation modes shared with BDNF. Furthermore, d-bdnf was able to sustain neurite outgrowth and increase the expression of differentiation (NEFM, LAMC1) and polarization markers (MAP2, MAPT) demonstrating its neurotrophic activity. As TrkB activity is affected by zinc ions in the synaptic cleft, we first verified the ability of d-bdnf to coordinate zinc and then the effect of such complexation on its activity. The d-bdnf neurotrophic activity was reduced by zinc complexation, demonstrating the role of the latter in tuning the activity of the new peptido-mimetic. Taken together our data uncover the neurotrophic properties of a novel BDNF mimetic peptide and pave the way for future studies to understand the pharmacological basis of d-bdnf action and develop novel BDNF-based therapeutic strategies.
Collapse
Affiliation(s)
- Lara Russo
- Dipartimento
di Farmacia, Università di Pisa, Pisa 56127, Italy
| | | | | | - Tiziano Marzo
- Dipartimento
di Farmacia, Università di Pisa, Pisa 56127, Italy
| | - Gianmarco Ferri
- Laboratorio
NEST, Scuola Normale Superiore, Pisa 56127, Italy
| | | | | | - Antonio Magrì
- Istituto
di Cristallografia, Consiglio Nazionale delle Ricerche (CNR), Catania 95126, Italy
| | - Alessandro Pratesi
- Dipartimento
di Chimica e Chimica Industriale, Università
di Pisa, Pisa 56124, Italy
| | | | | | - Claudia Martini
- Dipartimento
di Farmacia, Università di Pisa, Pisa 56127, Italy
| | - Enrico Rizzarelli
- Istituto
di Cristallografia, Consiglio Nazionale delle Ricerche (CNR), Catania 95126, Italy,Università
degli Studi di Catania, Catania 95124, Italy
| | - Laura Marchetti
- Dipartimento
di Farmacia, Università di Pisa, Pisa 56127, Italy,
| | - Diego La Mendola
- Dipartimento
di Farmacia, Università di Pisa, Pisa 56127, Italy,
| | | |
Collapse
|
5
|
Nicoletti VG, Pajer K, Calcagno D, Pajenda G, Nógrádi A. The Role of Metals in the Neuroregenerative Action of BDNF, GDNF, NGF and Other Neurotrophic Factors. Biomolecules 2022; 12:biom12081015. [PMID: 35892326 PMCID: PMC9330237 DOI: 10.3390/biom12081015] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 12/14/2022] Open
Abstract
Mature neurotrophic factors and their propeptides play key roles ranging from the regulation of neuronal growth and differentiation to prominent participation in neuronal survival and recovery after injury. Their signaling pathways sculpture neuronal circuits during brain development and regulate adaptive neuroplasticity. In addition, neurotrophic factors provide trophic support for damaged neurons, giving them a greater capacity to survive and maintain their potential to regenerate their axons. Therefore, the modulation of these factors can be a valuable target for treating or preventing neurologic disorders and age-dependent cognitive decline. Neuroregenerative medicine can take great advantage by the deepening of our knowledge on the molecular mechanisms underlying the properties of neurotrophic factors. It is indeed an intriguing topic that a significant interplay between neurotrophic factors and various metals can modulate the outcome of neuronal recovery. This review is particularly focused on the roles of GDNF, BDNF and NGF in motoneuron survival and recovery from injuries and evaluates the therapeutic potential of various neurotrophic factors in neuronal regeneration. The key role of metal homeostasis/dyshomeostasis and metal interaction with neurotrophic factors on neuronal pathophysiology is also highlighted as a novel mechanism and potential target for neuronal recovery. The progress in mechanistic studies in the field of neurotrophic factor-mediated neuroprotection and neural regeneration, aiming at a complete understanding of integrated pathways, offers possibilities for the development of novel neuroregenerative therapeutic approaches.
Collapse
Affiliation(s)
- Vincenzo Giuseppe Nicoletti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Medical Biochemistry, University of Catania, 95124 Catania, Italy; (V.G.N.); (D.C.)
| | - Krisztián Pajer
- Department of Anatomy, Histology and Embryology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
| | - Damiano Calcagno
- Department of Biomedical and Biotechnological Sciences (BIOMETEC), Section of Medical Biochemistry, University of Catania, 95124 Catania, Italy; (V.G.N.); (D.C.)
| | - Gholam Pajenda
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Research Centre for Traumatology of the Austrian Workers, 1200 Vienna, Austria;
- Department for Trauma Surgery, Medical University Vienna, 1090 Vienna, Austria
| | - Antal Nógrádi
- Department of Anatomy, Histology and Embryology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
- Correspondence: ; Tel.: +36-6-234-2855
| |
Collapse
|
6
|
Silva ML, Martins LB, Dos Santos LC, Henriques GS, Teixeira AL, Dos Santos Rodrigues AM, Matos Ferreira AV. Decreased plasma levels and dietary intake of minerals in women with migraine. Nutr Neurosci 2022; 26:629-636. [PMID: 35656968 DOI: 10.1080/1028415x.2022.2075308] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
It has been suggested that an imbalance in mineral levels is involved in the pathophysiology of migraine. However, only a few studies have investigated the circulating levels of mineral in patients with migraine during the pain-free period (i.e. interictal). This study aimed to investigate whether the interictal plasma levels of minerals of women with migraine differ from those of women without migraine (controls). This is a cross-sectional study involving 67 women, of which 38 were diagnosed with migraine and 29 were controls. The groups were similar in age and body mass index. Plasma levels of magnesium (Mg), copper (Cu), calcium (Ca), zinc (Zn), iron (Fe), and selenium (Se) were measured. Dietary intake was assessed using a 24-hour food recall, and migraine impact was evaluated using the Headache Impact Test, version 6 (HIT-6). The association between migraine disability, and plasma levels and dietary intake of minerals was assessed through correlation and logistic regression analyses. Women with migraine had significantly lower plasma levels of Mg, Ca, Cu, and Zn than controls. In parallel, dietary intake of Mg, Cu, and Fe was significantly lower in patients with migraine. Migraine impact was not associated with plasma levels or dietary intake of minerals. The results suggest that patients with migraine have lower plasma levels of minerals, and dietary intervention to ensure adequate mineral intake should be considered as a therapeutic strategy for migraine.
Collapse
Affiliation(s)
- Mariele Lino Silva
- Departamento de Nutrição, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Laís Bhering Martins
- Departamento de Nutrição, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.,Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center, Houston, Texas, United States
| | - Luana Caroline Dos Santos
- Departamento de Nutrição, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Gilberto Simeone Henriques
- Departamento de Nutrição, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Antonio Lucio Teixeira
- Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center, Houston, Texas, United States
| | - Ana Maria Dos Santos Rodrigues
- Departamento de Nutrição, Escola de Enfermagem, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | |
Collapse
|
7
|
Ding J, Zhang Y. Associations of Dietary Copper, Selenium, and Manganese Intake With Depression: A Meta-Analysis of Observational Studies. Front Nutr 2022; 9:854774. [PMID: 35369103 PMCID: PMC8965358 DOI: 10.3389/fnut.2022.854774] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/17/2022] [Indexed: 12/03/2022] Open
Abstract
Objective To comprehensively summarize the evidence on the associations of dietary copper, selenium, and manganese intake with depression based on a meta-analysis of observational studies. Methods The electronic database of PubMed, Web of Science, and Embase were searched up to January 7, 2022, for observational studies on the associations of dietary copper, selenium and manganese intake with depression (no restriction was set for the initiate time). The pooled relative risk (RR) of depression for the highest vs. lowest dietary copper, selenium, and manganese intake category were calculated. Results A total of 11 observational studies (61,430 participants) were identified as meeting the inclusion criteria. Specifically, five studies were related to the dietary copper intake. The overall multi-variable adjusted RR demonstrated that dietary copper intake was inversely associated with depression (RR = 0.63, 95% CI: 0.52–0.76; P < 0.001; I2 = 2.4%). With regard to the dietary selenium intake, six studies were identified for meta-analysis. The overall multi-variable adjusted RR showed that dietary selenium intake was also negatively associated with depression (RR = 0.63, 95% CI: 0.54–0.74; P < 0.001; I2 = 37.8%). In addition, four studies were specified for the dietary manganese intake, and the overall multi-variable adjusted RR indicated a negative relationship between dietary manganese intake and depression (RR = 0.71, 95% CI: 0.58–0.86; P < 0.001; I2 = 0.0%). Conclusions Our results suggest a negative relationship between dietary copper, selenium and manganese intake and depression, respectively. However, due to the limited prospective evidence, our results are restricted to cross-sectional design that precludes causal relationships. More well-designed prospective cohort studies are still needed.
Collapse
Affiliation(s)
- Jun Ding
- Changsha Social Work College, Changsha, China
| | - Yi Zhang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yi Zhang
| |
Collapse
|
8
|
Naletova I, Greco V, Sciuto S, Attanasio F, Rizzarelli E. Ionophore Ability of Carnosine and Its Trehalose Conjugate Assists Copper Signal in Triggering Brain-Derived Neurotrophic Factor and Vascular Endothelial Growth Factor Activation In Vitro. Int J Mol Sci 2021; 22:13504. [PMID: 34948299 PMCID: PMC8706131 DOI: 10.3390/ijms222413504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/11/2022] Open
Abstract
l-carnosine (β-alanyl-l-histidine) (Car hereafter) is a natural dipeptide widely distributed in mammalian tissues and reaching high concentrations (0.7-2.0 mM) in the brain. The molecular features of the dipeptide underlie the antioxidant, anti-aggregating and metal chelating ability showed in a large number of physiological effects, while the biological mechanisms involved in the protective role found against several diseases cannot be explained on the basis of the above-mentioned properties alone, requiring further research efforts. It has been reported that l-carnosine increases the secretion and expression of various neurotrophic factors and affects copper homeostasis in nervous cells inducing Cu cellular uptake in keeping with the key metal-sensing system. Having in mind this l-carnosine ability, here we report the copper-binding and ionophore ability of l-carnosine to activate tyrosine kinase cascade pathways in PC12 cells and stimulate the expression of BDNF. Furthermore, the study was extended to verify the ability of the dipeptide to favor copper signaling inducing the expression of VEGF. Being aware that the potential protective action of l-carnosine is drastically hampered by its hydrolysis, we also report on the behavior of a conjugate of l-carnosine with trehalose that blocks the carnosinase degradative activity. Overall, our findings describe a copper tuning effect on the ability of l-carnosine and, particularly its conjugate, to activate tyrosine kinase cascade pathways.
Collapse
Affiliation(s)
- Irina Naletova
- Institute of Crystallography, National Council of Research—CNR, Via Paolo Gaifami 18, 95126 Catania, Italy;
- National Inter-University Consortium Metals Chemistry in Biological Systems (CIRCMSB), Via Celso Ulpiani 27, 70126 Bari, Italy
| | - Valentina Greco
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy; (V.G.); (S.S.)
| | - Sebastiano Sciuto
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy; (V.G.); (S.S.)
| | - Francesco Attanasio
- Institute of Crystallography, National Council of Research—CNR, Via Paolo Gaifami 18, 95126 Catania, Italy;
| | - Enrico Rizzarelli
- Institute of Crystallography, National Council of Research—CNR, Via Paolo Gaifami 18, 95126 Catania, Italy;
- National Inter-University Consortium Metals Chemistry in Biological Systems (CIRCMSB), Via Celso Ulpiani 27, 70126 Bari, Italy
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy; (V.G.); (S.S.)
| |
Collapse
|
9
|
La Mendola D, Arena G, Pietropaolo A, Satriano C, Rizzarelli E. Metal ion coordination in peptide fragments of neurotrophins: A crucial step for understanding the role and signaling of these proteins in the brain. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
|
10
|
Falcone E, Okafor M, Vitale N, Raibaut L, Sour A, Faller P. Extracellular Cu2+ pools and their detection: From current knowledge to next-generation probes. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213727] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
11
|
Liao X, Lai S, Zhong S, Wang Y, Zhang Y, Shen S, Huang H, Chen G, Chen F, Jia Y. Interaction of Serum Copper and Neurometabolites on Executive Dysfunction in Unmedicated Patients With Major Depressive Disorder. Front Psychiatry 2021; 12:564375. [PMID: 33746789 PMCID: PMC7965952 DOI: 10.3389/fpsyt.2021.564375] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 01/19/2021] [Indexed: 12/28/2022] Open
Abstract
Objective: The mechanism of executive function (EF) impairment in major depressive disorder (MDD) remains unclear. Previous studies have demonstrated that altered serum copper levels and neurometabolic alterations may be associated with the psychopathology and cognitive impairment of MDD. While, their inter-relationships in MDD remain uncertain. The present study aims to assess whether the interaction between serum copper levels and neurometabolic alterations is involved in the deficit of executive function (EF) in patients with unmedicated MDD. Methods: Serum copper levels and EFs were measured in 41 MDD patients and 50 control subjects. EFs were evaluated by Trail Making Test, Part-B (TMT-B), Digit Symbol Substitution Test (DSST), Wisconsin Card Sorting Task (WCST), and Semantic Verbal Fluency testing (SVFT). Additionally, 41 patients and 41 healthy controls underwent proton magnetic resonance spectroscopy (1H-MRS) to obtain ratios of N-acetyl aspartate to creatine (NAA/Cr) and choline-containing compounds to creatine (Cho/Cr) in the lenticular nucleus (LN) of basal ganglia (BG). Finally, association and interaction analysis were conducted to investigate their inter-relationships. Results: The results showed that patients performed worse in the DSST, WCST, TMT-B time and SVFT. Moreover, patients had higher serum copper levels, but lower NAA/Cr ratios in left LN of BG than healthy controls. In patients, serum copper levels were found to significantly negative associated with Categories Completed (CC) number of WCST (r = -0.408, p = 0.008), and positive associated with the Total Errors (TE) and Nonperseverative Errors (PE) number of WCST (r = 0.356, p = 0.023; r = -0.356, p = 0.022). In addition, the NAA/Cr ratios of left LN were found to significantly negative associated with VFS (r = -0.401, p = 0.009), as well as negative associated with serum copper levels (r = -0.365, p = 0.019). Finally, the interaction between copper and NAA may as influencing factors for SVFT and CC number of WCST in patients. Conclusion: Our results indicated that the interaction of abnormal copper levels and NAA/Cr neurometabolic disruption of the LN may impact executive dysfunction, and this may relevant to the pathophysiology of executive impairment in MDD patients.
Collapse
Affiliation(s)
- Xiaoxiao Liao
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, China.,Jiangmen Central Hospital, Jiangmen, China
| | - Shunkai Lai
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shuming Zhong
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ying Wang
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yiliang Zhang
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shiyi Shen
- School of Management, Jinan University, Guangzhou, China
| | - Hui Huang
- School of Management, Jinan University, Guangzhou, China
| | - Guanmao Chen
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Feng Chen
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Yanbin Jia
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou, China
| |
Collapse
|
12
|
Copper Dyshomeostasis in Neurodegenerative Diseases-Therapeutic Implications. Int J Mol Sci 2020; 21:ijms21239259. [PMID: 33291628 PMCID: PMC7730516 DOI: 10.3390/ijms21239259] [Citation(s) in RCA: 116] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/12/2022] Open
Abstract
Copper is one of the most abundant basic transition metals in the human body. It takes part in oxygen metabolism, collagen synthesis, and skin pigmentation, maintaining the integrity of blood vessels, as well as in iron homeostasis, antioxidant defense, and neurotransmitter synthesis. It may also be involved in cell signaling and may participate in modulation of membrane receptor-ligand interactions, control of kinase and related phosphatase functions, as well as many cellular pathways. Its role is also important in controlling gene expression in the nucleus. In the nervous system in particular, copper is involved in myelination, and by modulating synaptic activity as well as excitotoxic cell death and signaling cascades induced by neurotrophic factors, copper is important for various neuronal functions. Current data suggest that both excess copper levels and copper deficiency can be harmful, and careful homeostatic control is important. This knowledge opens up an important new area for potential therapeutic interventions based on copper supplementation or removal in neurodegenerative diseases including Wilson’s disease (WD), Menkes disease (MD), Alzheimer’s disease (AD), Parkinson’s disease (PD), and others. However, much remains to be discovered, in particular, how to regulate copper homeostasis to prevent neurodegeneration, when to chelate copper, and when to supplement it.
Collapse
|
13
|
Wang L, Yin YL, Liu XZ, Shen P, Zheng YG, Lan XR, Lu CB, Wang JZ. Current understanding of metal ions in the pathogenesis of Alzheimer's disease. Transl Neurodegener 2020; 9:10. [PMID: 32266063 PMCID: PMC7119290 DOI: 10.1186/s40035-020-00189-z] [Citation(s) in RCA: 199] [Impact Index Per Article: 49.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 03/11/2020] [Indexed: 02/07/2023] Open
Abstract
Background The homeostasis of metal ions, such as iron, copper, zinc and calcium, in the brain is crucial for maintaining normal physiological functions. Studies have shown that imbalance of these metal ions in the brain is closely related to the onset and progression of Alzheimer's disease (AD), the most common neurodegenerative disorder in the elderly. Main body Erroneous deposition/distribution of the metal ions in different brain regions induces oxidative stress. The metal ions imbalance and oxidative stress together or independently promote amyloid-β (Aβ) overproduction by activating β- or γ-secretases and inhibiting α-secretase, it also causes tau hyperphosphorylation by activating protein kinases, such as glycogen synthase kinase-3β (GSK-3β), cyclin-dependent protein kinase-5 (CDK5), mitogen-activated protein kinases (MAPKs), etc., and inhibiting protein phosphatase 2A (PP2A). The metal ions imbalances can also directly or indirectly disrupt organelles, causing endoplasmic reticulum (ER) stress; mitochondrial and autophagic dysfunctions, which can cause or aggravate Aβ and tau aggregation/accumulation, and impair synaptic functions. Even worse, the metal ions imbalance-induced alterations can reversely exacerbate metal ions misdistribution and deposition. The vicious cycles between metal ions imbalances and Aβ/tau abnormalities will eventually lead to a chronic neurodegeneration and cognitive deficits, such as seen in AD patients. Conclusion The metal ions imbalance induces Aβ and tau pathologies by directly or indirectly affecting multiple cellular/subcellular pathways, and the disrupted homeostasis can reversely aggravate the abnormalities of metal ions transportation/deposition. Therefore, adjusting metal balance by supplementing or chelating the metal ions may be potential in ameliorating AD pathologies, which provides new research directions for AD treatment.
Collapse
Affiliation(s)
- Lu Wang
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Ya-Ling Yin
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Xin-Zi Liu
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Peng Shen
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Yan-Ge Zheng
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Xin-Rui Lan
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Cheng-Biao Lu
- 1Key Laboratory of Brain Research of Henan Province, Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453003 China
| | - Jian-Zhi Wang
- 2Department of Pathophysiology, School of Basic Medicine, Key Laboratory of Ministry of Education of China for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030 China
| |
Collapse
|
14
|
Miao Z, Wang Y, Sun Z. The Relationships Between Stress, Mental Disorders, and Epigenetic Regulation of BDNF. Int J Mol Sci 2020; 21:ijms21041375. [PMID: 32085670 PMCID: PMC7073021 DOI: 10.3390/ijms21041375] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/01/2020] [Accepted: 02/15/2020] [Indexed: 12/25/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF), a critical member of the neurotrophic family, plays an important role in multiple stress-related mental disorders. Although alterations in BDNF in multiple brain regions of individuals experiencing stress have been demonstrated in previous studies, it appears that a set of elements are involved in the complex regulation. In this review, we summarize the specific brain regions with altered BDNF expression during stress exposure. How various environmental factors, including both physical and psychological stress, affect the expression of BDNF in specific brain regions are further summarized. Moreover, epigenetic regulation of BDNF, including DNA methylation, histone modification, and noncoding RNA, in response to diverse types of stress, as well as sex differences in the sensitivity of BDNF to the stress response, is also summarized. Clarification of the underlying role of BDNF in the stress process will promote our understanding of the pathology of stress-linked mental disorders and provide a potent target for the future treatment of stress-related illness.
Collapse
Affiliation(s)
- Zhuang Miao
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou 325000, China;
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Yan Wang
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- School of Life Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Zhongsheng Sun
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou 325000, China;
- Beijing Institutes of Life Science, Chinese Academy of Sciences, Beijing 100101, China;
- School of Life Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
- Correspondence:
| |
Collapse
|
15
|
Naletova I, Grasso GI, Satriano C, Travaglia A, La Mendola D, Arena G, Rizzarelli E. Copper complexes of synthetic peptides mimicking neurotrophin-3 enhance neurite outgrowth and CREB phosphorylation. Metallomics 2019; 11:1567-1578. [PMID: 31482903 DOI: 10.1039/c9mt00045c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work we report on the synthesis and physiochemical/biological characterization of a peptide encompassing the first thirteen residues of neurotrophin-3 (NT-3). The protein capability to promote neurite outgrowth and axonal branching by a downstream mechanism that involves the increase of the cAMP response element-binding level (CREB) was found for the NT3(1-13) peptide, thus validating its protein mimetic behaviour. Since copper ions are also involved in neurotransmission and their internalization may be an essential step in neuron differentiation and CREB phosphorylation, the peptide and its copper complexes were characterized by potentiometric and spectroscopic techniques, including UV-visible, CD and EPR. To have a detailed picture of the coordination features of the copper complexes with NT3(1-13), we also scrutinized the two peptide fragments encompassing the shorter sequences 1-5 and 5-13, respectively, showing that the amino group is the main anchoring site for Cu(ii) at physiological pH. The peptide activity increased in the presence of copper ions. The effect of copper(ii) addition is more marked for NT3(1-13) than the other two peptide fragments, in agreement with its higher affinity for metal ions. Confocal microscopy measurements carried out on fluorescently labelled NT3(1-13) indicated that copper ions increase peptide internalization.
Collapse
Affiliation(s)
- Irina Naletova
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Giuseppa Ida Grasso
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Cristina Satriano
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Alessio Travaglia
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Diego La Mendola
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy.
| | - Giuseppe Arena
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Enrico Rizzarelli
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy. and Institute of Crystallography UOS Catania, National Council of Research (IC-CNR), Via Paolo Gaifami 18, I-95126 Catania, Italy
| |
Collapse
|
16
|
Ni M, You Y, Chen J, Zhang L. Copper in depressive disorder: A systematic review and meta-analysis of observational studies. Psychiatry Res 2018; 267:506-515. [PMID: 29980131 DOI: 10.1016/j.psychres.2018.05.049] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 03/05/2018] [Accepted: 05/22/2018] [Indexed: 12/29/2022]
Abstract
Copper (Cu) has been associated with mental disorders such as autism and epilepsy. So far, publications evaluating copper levels in patients with depressive disorder showed conflicted results. To derive a comprehensive estimation of the relationship between body burden of copper and depressive disorder and explore the possible role of copper in mental health, we performed a systematic review and meta-analysis. Relevant published data were obtained by searching PubMed, Web of Science, Chinese National Knowledge Infrastructure (CNKI) and Chinese Biomedical Database (CBM) before October 10, 2017. Weighted mean difference (WMD) with a 95% confidence interval (95%CI) was calculated using STATA 12.0. A total of 21 studies with 1487 patients and 943 controls were collected in this meta-analysis. Pooled analysis found that patients with depression had higher blood levels of copper than the controls without depression, while there was no difference of copper content in hair between the two groups. Subgroup analysis suggested that age had influence on the relationship between copper and depression. No evidence of publication bias was observed. This meta-analysis suggests that increased levels of blood copper might be associated with depressive disorder and therefore the possible role of copper as a biomarker of depression.
Collapse
Affiliation(s)
- Mengmei Ni
- Department of Nutrition, Food Safety and Toxicology, West China School of Public Health and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, Sichuan, China
| | - Yiping You
- Department of Nutrition, Food Safety and Toxicology, West China School of Public Health and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, Sichuan, China
| | - Jinyao Chen
- Department of Nutrition, Food Safety and Toxicology, West China School of Public Health and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, Sichuan, China.
| | - Lishi Zhang
- Department of Nutrition, Food Safety and Toxicology, West China School of Public Health and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610041, Sichuan, China.
| |
Collapse
|
17
|
Potential Role of Brain-Derived Neurotrophic Factor and Dopamine Receptor D2 Gene Variants as Modifiers for the Susceptibility and Clinical Course of Wilson's Disease. Neuromolecular Med 2018; 20:401-408. [PMID: 29992511 DOI: 10.1007/s12017-018-8501-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/07/2018] [Indexed: 01/10/2023]
Abstract
Wilson's disease (WD), an inborn error of copper metabolism caused by mutations in the ATPase copper transporting beta (ATP7B) gene, manifests variable age of onset and different degrees of hepatic and neurological disturbances. This complex phenotypical outcome of a classical monogenic disease can possibly be explained by modifier loci regulating the clinical course of the disease. The brain-derived neurotropic factor (BDNF), critical for the survival, morphogenesis, and plasticity of the neurons, and the dopamine receptor D2 (DRD2), one of the most abundant dopamine receptors in the brain, have been highlighted in the pathophysiology of various neuropsychiatric diseases. This study aims to identify the potential association between BDNF and DRD2 gene polymorphisms and WD and its clinical characteristics. A total of 164 WD patients and 270 controls from India were included in this study. Two BDNF polymorphisms [p.Val66Met (c.G196A) and c.C270T] and the DRD2 Taq1A (A2/A1 or C/T) polymorphism were examined for their association with WD and some of its clinical attributes, using polymerase chain reaction, restriction fragment length digestion, and bidirectional sequencing. The C allele and CC genotype of BDNF C270T were significantly overrepresented among controls compared to WD patients. In addition, a significantly higher proportion of the allele coding for Val and the corresponding homozygous genotype of BDNF Val66Met polymorphism was found among WD patients with age of onset later than 10 years. Furthermore, the A1A1 genotype of DRD2 Taq1A polymorphism was significantly more common among WD patients with rigidity. Our data suggest that both BDNF and DRD2 may act as potential modifiers of WD phenotype in the Indian context.
Collapse
|
18
|
Magrì A, Di Natale G, Rizzarelli E. Copper-assisted interaction between amyloid-β and prion: Ternary metal complexes with Aβ N-terminus and octarepeat. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.10.032] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
|
19
|
Satriano C, Forte G, Magrì A, Di Pietro P, Travaglia A, Pandini G, Gianì F, La Mendola D. Neurotrophin-mimicking peptides at the biointerface with gold respond to copper ion stimuli. Phys Chem Chem Phys 2018; 18:30595-30604. [PMID: 27786317 DOI: 10.1039/c6cp05476e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The peptide fragments NGF1-14 and BDNF1-12, encompassing the N-terminal domains, respectively, of the proteins nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) were used in this study for the fabrication of a hybrid gold/peptide biointerface. These peptides mimic the Trk receptor activation of the respective whole protein - with a crucial role played by copper ions - and exhibit, in bulk solution, a pH-dependent capability to complex copper. We demonstrate here the maintenance of peptide-specific responses at different pH values as well as the copper binding also for the adlayers formed upon physisorption at the gold surface. The physicochemical properties, including viscoelastic behavior of the adlayer and competitive vs. synergic interactions in sequential adsorption processes, were addressed both experimentally, by quartz crystal microbalance with dissipation monitoring (QCM-D) and circular dichroism (CD), and theoretically, by molecular dynamics (MD) calculations. Proof-of work biological assays with the neuroblastoma SY-SH5H cell line demonstrated that the developed hybrid Au/peptide nanoplatforms are very promising for implementation in pH- and metal-responsive systems for application in nanomedicine.
Collapse
Affiliation(s)
- C Satriano
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, I-95125 Catania, Italy.
| | - G Forte
- Department of Pharmaceutical Sciences, University of Catania, Viale Andrea Doria, 6, I-95125 Catania, Italy
| | - A Magrì
- Institute of Biostructures and Bioimages - Catania, National Council of Research (IBB-CNR), Via Paolo Gaifami, 16, I-95125 Catania, Italy
| | - P Di Pietro
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, I-95125 Catania, Italy.
| | - A Travaglia
- Centre for Neural Science, New York University, Washington Place, 4, New York, NY 10003, USA
| | - G Pandini
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of Catania, via Palermo n. 636, 95122 Catania, Italy
| | - F Gianì
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of Catania, via Palermo n. 636, 95122 Catania, Italy
| | - D La Mendola
- Department of Pharmacy, University of Pisa, via Bonanno Pisano, 6, I-56100 Pisa, Italy.
| |
Collapse
|
20
|
Naletova I, Nicoletti VG, Milardi D, Pietropaolo A, Grasso G. Copper, differently from zinc, affects the conformation, oligomerization state and activity of bradykinin. Metallomics 2017; 8:750-61. [PMID: 27328010 DOI: 10.1039/c6mt00067c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The sole role of bradykinin (BK) as an inflammatory mediator is controversial, as recent data also support an anti-inflammatory role for BK in Alzheimer's disease (AD). The involvement of two different receptors (B1R and B2R) could be a key to understand this issue. However, although copper and zinc dyshomeostasis has been demonstrated to be largely involved in the development of AD, a detailed study of the interaction of BK with these two metal ions has never been addressed. In this work, we have applied mass spectrometry, circular dichroism as well as computational methods in order to assess if copper and zinc have the ability to modulate the conformation and oligomerization of BK. In addition, we have correlated the chemical data with the effect of metals on the activity of BK analyzed in cell cultures by biochemical procedures. The biochemical analyses on monocyte/macrophage cell culture (THP-1 Cell Line human) in line with the effect of metals on the conformation of BK showed that the presence of copper can affect the signaling cascade mediated by the BK receptors. The results obtained show a further role of metal ions, particularly copper, in the development and outcome of neuroinflammatory diseases. The possible implications in AD are discussed.
Collapse
Affiliation(s)
- Irina Naletova
- Dipartimento di Scienze Biomediche e Biotecnologiche "BIOMETEC", Università degli Studi di Catania, Via S. Sofia 64, 95125 Catania, Italy. and Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (C.I.R.C.M.S.B.), Piazza Umberto I, 1-70121 Bari, Italy
| | - Vincenzo G Nicoletti
- Dipartimento di Scienze Biomediche e Biotecnologiche "BIOMETEC", Università degli Studi di Catania, Via S. Sofia 64, 95125 Catania, Italy. and Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (C.I.R.C.M.S.B.), Piazza Umberto I, 1-70121 Bari, Italy
| | - Danilo Milardi
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via Paolo Gaifami 18, 95126 Catania, Italy
| | - Adriana Pietropaolo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Campus Universitario, Viale Europa, 88100 Catanzaro, Italy
| | - Giuseppe Grasso
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, 95125, Catania, Italy.
| |
Collapse
|
21
|
Di Pietro P, Caporarello N, Anfuso CD, Lupo G, Magrì A, La Mendola D, Satriano C. Immobilization of Neurotrophin Peptides on Gold Nanoparticles by Direct and Lipid-Mediated Interaction: A New Multipotential Therapeutic Nanoplatform for CNS Disorders. ACS OMEGA 2017; 2:4071-4079. [PMID: 31457708 PMCID: PMC6641863 DOI: 10.1021/acsomega.7b00458] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 05/26/2017] [Indexed: 05/29/2023]
Abstract
Neurotrophins are essential proteins for the development and maintenance of neural functions as well as promising drugs in neurodegenerative disorders. Current limits in their effective clinical applications can be overwhelmed by the combined use of peptidomimetic and nanomedicine approaches. Indeed, neurotrophin-mimicking peptides may allow minimizing the adverse side effects of the whole protein drug. Moreover, the immobilization of such peptides on nanomaterials may offer additional advantages, including protection against degradation, enhanced permeability of barrier membranes, and intrinsic therapeutic properties of the nanoparticles (e.g., antiangiogenic and plasmonic features of gold nanoparticles (AuNPs)). In the present article, we scrutinize the functionalization of spherical AuNPs of diameter 12 nm by peptides because of the N-terminal domains of the nerve growth factor (NGF) and the brain-derived neurotrophic factor (BDNF), NGF1-14 and BDNF1-12, respectively. The hybrid gold-peptide nanobiointerface was investigated, both in the direct physisorption and in the lipid-bilayer-mediated adsorption processes, by a multitechnique study that included UV-vis and X-ray photoelectron spectroscopies, dynamic light scattering, zeta-potential analyses, and atomic force microscopy. Both peptide- and lipid-dependent features were identified, to have a modulation in the peptide coverage of nanoparticles as well as in the cellular uptake of NGF and BDNF peptides, as investigated by confocal microscopy. The promising potentials of the neurotrophins to cross the blood-brain barrier were demonstrated.
Collapse
Affiliation(s)
- Patrizia Di Pietro
- Department
of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, 95125 Catania, Italy
| | - Nunzia Caporarello
- Department
of Biomedical and Biotechnological Sciences, University of Catania, Biological Tower, Via Santa Sofia 97, 95123 Catania, Italy
| | - Carmelina D. Anfuso
- Department
of Biomedical and Biotechnological Sciences, University of Catania, Biological Tower, Via Santa Sofia 97, 95123 Catania, Italy
| | - Gabriella Lupo
- Department
of Biomedical and Biotechnological Sciences, University of Catania, Biological Tower, Via Santa Sofia 97, 95123 Catania, Italy
| | - Antonio Magrì
- Institute
of Biostructures and Bioimages − Catania, National Council of Research (IBB-CNR), Via Paolo Gaifami, 16, I-95125 Catania, Italy
| | - Diego La Mendola
- Department
of Pharmacy, University of Pisa, via Bonanno Pisano, 6, I-56100 Pisa, Italy
| | - Cristina Satriano
- Department
of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, 95125 Catania, Italy
| |
Collapse
|
22
|
Zinc Interactions With Brain-Derived Neurotrophic Factor and Related Peptide Fragments. VITAMINS AND HORMONES 2017; 104:29-56. [DOI: 10.1016/bs.vh.2016.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
23
|
Pandini G, Satriano C, Pietropaolo A, Gianì F, Travaglia A, La Mendola D, Nicoletti VG, Rizzarelli E. The Inorganic Side of NGF: Copper(II) and Zinc(II) Affect the NGF Mimicking Signaling of the N-Terminus Peptides Encompassing the Recognition Domain of TrkA Receptor. Front Neurosci 2016; 10:569. [PMID: 28090201 PMCID: PMC5201159 DOI: 10.3389/fnins.2016.00569] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 11/25/2016] [Indexed: 12/31/2022] Open
Abstract
The nerve growth factor (NGF) N-terminus peptide, NGF(1–14), and its acetylated form, Ac-NGF(1–14), were investigated to scrutinize the ability of this neurotrophin domain to mimic the whole protein. Theoretical calculations demonstrated that non-covalent forces assist the molecular recognition of TrkA receptor by both peptides. Combined parallel tempering/docking simulations discriminated the effect of the N-terminal acetylation on the recognition of NGF(1–14) by the domain 5 of TrkA (TrkA-D5). Experimental findings demonstrated that both NGF(1–14) and Ac-NGF(1–14) activate TrkA signaling pathways essential for neuronal survival. The NGF-induced TrkA internalization was slightly inhibited in the presence of Cu2+ and Zn2+ ions, whereas the metal ions elicited the NGF(1–14)-induced internalization of TrkA and no significant differences were found in the weak Ac-NGF(1–14)-induced receptor internalization. The crucial role of the metals was confirmed by experiments with the metal-chelator bathocuproine disulfonic acid, which showed different inhibitory effects in the signaling cascade, due to different metal affinity of NGF, NGF(1–14) and Ac-NGF(1–14). The NGF signaling cascade, activated by the two peptides, induced CREB phosphorylation, but the copper addition further stimulated the Akt, ERK and CREB phosphorylation in the presence of NGF and NGF(1–14) only. A dynamic and quick influx of both peptides into PC12 cells was tracked by live cell imaging with confocal microscopy. A significant role of copper ions was found in the modulation of peptide sub-cellular localization, especially at the nuclear level. Furthermore, a strong copper ionophoric ability of NGF(1–14) was measured. The Ac-NGF(1–14) peptide, which binds copper ions with a lower stability constant than NGF(1–14), exhibited a lower nuclear localization with respect to the total cellular uptake. These findings were correlated to the metal-induced increase of CREB and BDNF expression caused by NGF(1–14) stimulation. In summary, we here validated NGF(1–14) and Ac-NGF(1–14) as first examples of monomer and linear peptides able to activate the NGF-TrkA signaling cascade. Metal ions modulated the activity of both NGF protein and the NGF-mimicking peptides. Such findings demonstrated that NGF(1–14) sequence can reproduce the signal transduction of whole protein, therefore representing a very promising drug candidate for further pre-clinical studies.
Collapse
Affiliation(s)
- Giuseppe Pandini
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of CataniaCatania, Italy; Institute of Biostructures and Bioimages - Catania, National Research CouncilCatania, Italy
| | - Cristina Satriano
- Department of Chemical Sciences, University of CataniaCatania, Italy; Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi BiologiciBari, Italy
| | | | - Fiorenza Gianì
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of CataniaCatania, Italy; Institute of Biostructures and Bioimages - Catania, National Research CouncilCatania, Italy
| | | | - Diego La Mendola
- Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi BiologiciBari, Italy; Department of Pharmacy, University of PisaPisa, Italy
| | - Vincenzo G Nicoletti
- Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi BiologiciBari, Italy; Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences (BIOMETEC), University of CataniaCatania, Italy
| | - Enrico Rizzarelli
- Institute of Biostructures and Bioimages - Catania, National Research CouncilCatania, Italy; Department of Chemical Sciences, University of CataniaCatania, Italy; Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi BiologiciBari, Italy
| |
Collapse
|
24
|
Magrì A, Tabbì G, Giuffrida A, Pappalardo G, Satriano C, Naletova I, Nicoletti VG, Attanasio F. Influence of the N-terminus acetylation of Semax, a synthetic analog of ACTH(4-10), on copper(II) and zinc(II) coordination and biological properties. J Inorg Biochem 2016; 164:59-69. [PMID: 27586814 DOI: 10.1016/j.jinorgbio.2016.08.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 08/23/2016] [Accepted: 08/25/2016] [Indexed: 10/21/2022]
Abstract
Semax is a heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro) that encompasses the sequence 4-7 of N-terminal domain of the adrenocorticotropic hormone and a C-terminal Pro-Gly-Pro tripeptide. N-terminal amino group acetylation (Ac-Semax) modulates the chemical and biological properties of parental peptide, modifying the ability of Semax to form complex species with Cu(II) ion. At physiological pH, the main complex species formed by Ac-Semax, [CuLH-2]2-, consists in a distorted CuN3O chromophore with a weak apical interaction of the methionine sulphur. Such a complex differs from the Cu(II)-Semax complex system, which exhibits a CuN4 chromophore. The reduced ligand field affects the [CuLH-2]2- formal redox potential, which is more positive than that of Cu(II)-Semax corresponding species. In the amino-free form, the resulting complex species is redox-stable and unreactive against ascorbic acid, unlike the acetylated form. Semax acetylation did not protect from Cu(II) induced toxicity on a SH-SY5Y neuroblastoma cell line, thus demonstrating the crucial role played by the free NH2 terminus in the cell protection. Since several brain diseases are associated either to Cu(II) or Zn(II) dyshomeostasis, here we characterized also the complex species formed by Zn(II) with Semax and Ac-Semax. Both peptides were able to form Zn(II) complex species with comparable strength. Confocal microscopy imaging confirmed that peptide group acetylation does not affect the Zn(II) influx in neuroblastoma cells. Moreover, a punctuate distribution of Zn(II) within the cells suggests a preferred subcellular localization that might explain the zinc toxic effect. A future perspective can be the use of Ac-Semax as ionophore in antibody drug conjugates to produce a dysmetallostasis in tumor cells.
Collapse
Affiliation(s)
- Antonio Magrì
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche (CNR), Via P. Gaifami 18, 95126 Catania, Italy
| | - Giovanni Tabbì
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche (CNR), Via P. Gaifami 18, 95126 Catania, Italy.
| | - Alessandro Giuffrida
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche (CNR), Via P. Gaifami 18, 95126 Catania, Italy
| | - Giuseppe Pappalardo
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche (CNR), Via P. Gaifami 18, 95126 Catania, Italy
| | - Cristina Satriano
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Irina Naletova
- Dipartimento di Scienze Biomediche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy; Consorzio Interuniversitario C.I.R.C.S.M.B., Via C. Ulpiani 27, 70125 Bari, Italy
| | - Vincenzo G Nicoletti
- Dipartimento di Scienze Biomediche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Francesco Attanasio
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche (CNR), Via P. Gaifami 18, 95126 Catania, Italy.
| |
Collapse
|
25
|
Malan-Müller S, Kilian S, van den Heuvel LL, Bardien S, Asmal L, Warnich L, Emsley RA, Hemmings SMJ, Seedat S. A systematic review of genetic variants associated with metabolic syndrome in patients with schizophrenia. Schizophr Res 2016; 170:1-17. [PMID: 26621002 DOI: 10.1016/j.schres.2015.11.011] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 11/10/2015] [Accepted: 11/12/2015] [Indexed: 12/15/2022]
Abstract
Metabolic syndrome (MetS) is a cluster of factors that increases the risk of cardiovascular disease (CVD), one of the leading causes of mortality in patients with schizophrenia. Incidence rates of MetS are significantly higher in patients with schizophrenia compared to the general population. Several factors contribute to this high comorbidity. This systematic review focuses on genetic factors and interrogates data from association studies of genes implicated in the development of MetS in patients with schizophrenia. We aimed to identify variants that potentially contribute to the high comorbidity between these disorders. PubMed, Web of Science and Scopus databases were accessed and a systematic review of published studies was conducted. Several genes showed strong evidence for an association with MetS in patients with schizophrenia, including the fat mass and obesity associated gene (FTO), leptin and leptin receptor genes (LEP, LEPR), methylenetetrahydrofolate reductase (MTHFR) gene and the serotonin receptor 2C gene (HTR2C). Genetic association studies in complex disorders are convoluted by the multifactorial nature of these disorders, further complicating investigations of comorbidity. Recommendations for future studies include assessment of larger samples, inclusion of healthy controls, longitudinal rather than cross-sectional study designs, detailed capturing of data on confounding variables for both disorders and verification of significant findings in other populations. In future, big genomic datasets may allow for the calculation of polygenic risk scores in risk prediction of MetS in patients with schizophrenia. This could ultimately facilitate early, precise, and patient-specific pharmacological and non-pharmacological interventions to minimise CVD associated morbidity and mortality.
Collapse
Affiliation(s)
- Stefanie Malan-Müller
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa; SA MRC Centre for TB Research, DST/NRF Centre of Excellence for Biomedical Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
| | - Sanja Kilian
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa
| | | | - Soraya Bardien
- SA MRC Centre for TB Research, DST/NRF Centre of Excellence for Biomedical Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Laila Asmal
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa
| | - Louise Warnich
- Department of Genetics, Stellenbosch University, Stellenbosch, South Africa
| | - Robin A Emsley
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa
| | - Sîan M J Hemmings
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa; SA MRC Centre for TB Research, DST/NRF Centre of Excellence for Biomedical Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Soraya Seedat
- Stellenbosch University, Department of Psychiatry, Cape Town, South Africa
| |
Collapse
|
26
|
D'Ambrosi N, Rossi L. Copper at synapse: Release, binding and modulation of neurotransmission. Neurochem Int 2015; 90:36-45. [PMID: 26187063 DOI: 10.1016/j.neuint.2015.07.006] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Revised: 06/30/2015] [Accepted: 07/10/2015] [Indexed: 10/23/2022]
Abstract
Over the last decade, a piece of the research studying copper role in biological systems was devoted to unravelling a still elusive, but extremely intriguing, aspect that is the involvement of copper in synaptic function. These studies were prompted to provide a rationale to the finding that copper is released in the synaptic cleft upon depolarization. The copper pump ATP7A, which mutations are responsible for diseases with a prominent neurodegenerative component, seems to play a pivotal role in the release of copper at synapses. Furthermore, it was found that, when in the synaptic cleft, copper can control, directly or indirectly, the activity of the neurotransmitter receptors (NMDA, AMPA, GABA, P2X receptors), thus affecting excitability. In turn, neurotransmission can affect copper trafficking and delivery in neuronal cells. Furthermore, it was reported that copper can also modulate synaptic vesicles trafficking and the interaction between proteins of the secretory pathways. Interestingly, proteins with a still unclear role in neuronal system though associated with the pathogenesis of neurodegenerative diseases (the amyloid precursor protein, APP, the prion protein, PrP, α-synuclein, α-syn) show copper-binding domains. They may act as copper buffer at synapses and participate in the interplay between copper and the neurotransmitters receptors. Given that copper dysmetabolism occurs in several diseases affecting central and peripheral nervous system, the findings on the contribution of copper in synaptic transmission, beside its more consolidate role as a neuronal enzymes cofactor, may open new insights for therapy interventions.
Collapse
Affiliation(s)
- Nadia D'Ambrosi
- Institute of Anatomy and Cell Biology, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Luisa Rossi
- Department of Biology, University of Rome Tor Vergata, Rome, Italy.
| |
Collapse
|
27
|
Tabbì G, Magrì A, Giuffrida A, Lanza V, Pappalardo G, Naletova I, Nicoletti VG, Attanasio F, Rizzarelli E. Semax, an ACTH4-10 peptide analog with high affinity for copper(II) ion and protective ability against metal induced cell toxicity. J Inorg Biochem 2015; 142:39-46. [DOI: 10.1016/j.jinorgbio.2014.09.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 09/05/2014] [Accepted: 09/11/2014] [Indexed: 10/24/2022]
|
28
|
Kadej A, Kuczer M, Kowalik-Jankowska T. Copper(ii) complexes of terminally free alloferon mutants containing two histidyl binding sites inside peptide chain structure and stability. Dalton Trans 2015; 44:20659-74. [DOI: 10.1039/c5dt01911g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The characterization of Cu(ii) complexes with alloferon 1 mutants H1A/H12A, H1A/H9A and H1A/H6A by potentiometry, CD, UV-Vis and EPR spectroscopic techniques, and ESI-MS spectrometry is reported.
Collapse
Affiliation(s)
- Agnieszka Kadej
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Mariola Kuczer
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | | |
Collapse
|
29
|
Copper(II) complexes of alloferon 1 with point mutations (H1A) and (H9A) stability structure and biological activity. J Inorg Biochem 2014; 138:99-113. [DOI: 10.1016/j.jinorgbio.2014.05.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 05/22/2014] [Accepted: 05/23/2014] [Indexed: 01/04/2023]
|
30
|
Abstract
Copper is an essential element in many biological processes. The critical functions associated with copper have resulted from evolutionary harnessing of its potent redox activity. This same property also places copper in a unique role as a key modulator of cell signal transduction pathways. These pathways are the complex sequence of molecular interactions that drive all cellular mechanisms and are often associated with the interplay of key enzymes including kinases and phosphatases but also including intracellular changes in pools of smaller molecules. A growing body of evidence is beginning to delineate the how, when and where of copper-mediated control over cell signal transduction. This has been driven by research demonstrating critical changes to copper homeostasis in many disorders including cancer and neurodegeneration and therapeutic potential through control of disease-associated cell signalling changes by modulation of copper-protein interactions. This timely review brings together for the first time the diverse actions of copper as a key regulator of cell signalling pathways and discusses the potential strategies for controlling disease-associated signalling processes using copper modulators. It is hoped that this review will provide a valuable insight into copper as a key signal regulator and stimulate further research to promote our understanding of copper in disease and therapy.
Collapse
|
31
|
Scheiber IF, Mercer JF, Dringen R. Metabolism and functions of copper in brain. Prog Neurobiol 2014; 116:33-57. [DOI: 10.1016/j.pneurobio.2014.01.002] [Citation(s) in RCA: 213] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 01/08/2014] [Accepted: 01/08/2014] [Indexed: 12/15/2022]
|
32
|
Forte G, Travaglia A, Magrì A, Satriano C, La Mendola D. Adsorption of NGF and BDNF derived peptides on gold surfaces. Phys Chem Chem Phys 2014; 16:1536-44. [DOI: 10.1039/c3cp52499j] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
|
33
|
Travaglia A, La Mendola D, Magrì A, Pietropaolo A, Nicoletti VG, Grasso G, Malgieri G, Fattorusso R, Isernia C, Rizzarelli E. Zinc(II) interactions with brain-derived neurotrophic factor N-terminal peptide fragments: inorganic features and biological perspectives. Inorg Chem 2013; 52:11075-83. [PMID: 24070197 DOI: 10.1021/ic401318t] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) is a neurotrophin essential for neuronal differentiation, growth, and survival; it is involved in memory formation and higher cognitive functions. The N-terminal domain of BDNF is crucial for the binding selectivity and activation of its specific TrkB receptor. Zn(2+) ion binding may influence BDNF activity. Zn(2+) complexes with the peptide fragment BDNF(1-12) encompassing the sequence 1-12 of the N-terminal domain of BDNF were studied by means of potentiometry, electrospray mass spectrometry, NMR, and density functional theory (DFT) approaches. The predominant Zn(2+) complex species, at physiological pH, is [ZnL] in which the metal ion is bound to an amino, an imidazole, and two water molecules (NH2, N(Im), and 2O(water)) in a tetrahedral environment. DFT-based geometry optimization of the zinc coordination environment showed a hydrogen bond between the carboxylate and a water molecule bound to zinc in [ZnL]. The coordination features of the acetylated form [AcBDNF(1-12)] and of a single mutated peptide [BDNF(1-12)D3N] were also characterized, highlighting the role of the imidazole side chain as the first anchoring site and ruling out the direct involvement of the aspartate residue in the metal binding. Zn(2+) addition to the cell culture medium induces an increase in the proliferative activity of the BDNF(1-12) peptide and of the whole protein on the SHSY5Y neuroblastoma cell line. The effect of Zn(2+) is opposite to that previously observed for Cu(2+) addition, which determines a decrease in the proliferative activity for both peptide and protein, suggesting that these metals might discriminate and modulate differently the activity of BDNF.
Collapse
Affiliation(s)
- Alessio Travaglia
- Center for Neural Science, New York University , 4 Washington Place, New York, New York 10003, United States
| | | | | | | | | | | | | | | | | | | |
Collapse
|
34
|
Association study of Val66Met polymorphism in brain-derived neurotrophic factor gene with clozapine-induced metabolic syndrome: preliminary results. PLoS One 2013; 8:e72652. [PMID: 23967328 PMCID: PMC3742721 DOI: 10.1371/journal.pone.0072652] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Accepted: 07/12/2013] [Indexed: 11/25/2022] Open
Abstract
The prevalence of the metabolic syndrome (MetS) is higher among patients receiving atypical antipsychotics (AAPs) treatment, and even among AAPs, treatment with clozapine has been shown to be associated with a higher long-term incidence rate of MetS. Likewise, brain-derived neurotrophic factor (BDNF) deficiency has been reported to result in metabolic traits, such as increased food intake, hyperphagia and obesity, etc. In this study, we hypothesized that a functional polymorphism (Val66Met) in the BDNF gene may confer susceptibility to clozapine-induced MetS, potentially in a sex-specific manner, since an interaction between Val66Met polymorphism and sex was observed in our previous studies. A total of 199 schizophrenia patients being treated with clozapine were divided into two groups, MetS and non-MetS, based on the diagnostic criteria of the National Cholesterol Education Program's Adult Treatment Panel III. We genotyped the Val66Met polymorphism, and measured the serum levels of fasting glucose (GLU), triglyceride (TG) and high density lipoprotein cholesterol (HDL). There was a trend indicating a significant association between the homozygous Met/Met genotype and MetS in male patients (OR = 2.39; 95% CI: 1.05–5.41; p = 0.039; corrected p = 0.078). Among the six risk factors listed in the ATPIII criteria, we found a significant association between fasting GLU levels and Val66Met polymorphism in males (p = 0.005; corrected p = 0.03), but not in females (p = 0.65). Post-hoc analysis in males revealed that the Met/Met carriers had significant higher levels of fasting GLU than those with Val/Val or Val/Met genotypes (p = 0.007; corrected p = 0.042 and p = 0.002; corrected p = 0.012, respectively). In conclusion, we observed a weak association between the Val66Met polymorphism and clozapine-induced MetS in a sex-specific manner. While preliminary, such findings prompt further, large-scale longitudinal studies to replicate these findings.
Collapse
|
35
|
Huang L, Su J, Zhong D, Wang H, Liu R, Yu L, Zhu Q, Liu S. Copper-induced fluorescence enhancement and particle-size decrease of a C-6 unsubstituted tetrahydropyrimidine racemate. RSC Adv 2013. [DOI: 10.1039/c3ra41121d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
|