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Hai-Na Z, Jun-Jie J, Guang-Meng X. Peptides derived from growth factors: Exploring their diverse impact from antimicrobial properties to neuroprotection. Biomed Pharmacother 2024; 176:116830. [PMID: 38824833 DOI: 10.1016/j.biopha.2024.116830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/21/2024] [Accepted: 05/26/2024] [Indexed: 06/04/2024] Open
Abstract
Growth factor-derived peptides are bioactive molecules that play a crucial role in various physiological processes within the human body. Over the years, extensive research has revealed their diverse applications, ranging from antimicrobial properties to their potential in neuroprotection and treating various diseases. These peptides exhibit innate immune responses and have been found to possess potent antimicrobial properties against a wide range of pathogens. Growth factor-derived peptides have demonstrated the ability to promote neuronal survival, prevent cell death, and stimulate neural regeneration. As a result, they hold immense promise in the treatment of various neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, and multiple sclerosis, as well as in the management of traumatic brain injuries. Moreover, growth factor-derived peptides have shown potential for supporting tissue repair and wound healing processes. By enhancing cell proliferation and migration, these peptides contribute to the regeneration of damaged tissues and promote a more efficient healing response. The applications of growth factor-derived peptides extend beyond their therapeutic potential in health; they also have a role in various disease conditions. For example, researchers have explored their influence on cancer cells, where some peptides have demonstrated anti-cancer properties, inhibiting tumor growth and promoting apoptosis in cancer cells. Additionally, their immunomodulatory properties have been investigated for potential applications in autoimmune disorders. Despite the immense promise shown by growth factor-derived peptides, some challenges need to be addressed. Nevertheless, ongoing research and advancements in biotechnology offer promising avenues to overcome these obstacles. The review summarizes the foundational biology of growth factors and the intricate signaling pathways in various physiological processes as well as diseases such as cancer, neurodegenerative disorders, cardiovascular ailments, and metabolic syndromes.
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Affiliation(s)
- Zhang Hai-Na
- Department of Rehabilitation, The Second Hospital of Jilin University, Changchun 130000, PR China
| | - Jiang Jun-Jie
- Department of Rehabilitation, The Second Hospital of Jilin University, Changchun 130000, PR China
| | - Xu Guang-Meng
- Department of Colorectal and Anal Surgery, The Second Hospital of Jilin University, Changchun 130000, PR China.
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2
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Tomasello B, Bellia F, Naletova I, Magrì A, Tabbì G, Attanasio F, Tomasello MF, Cairns WRL, Fortino M, Pietropaolo A, Greco V, La Mendola D, Sciuto S, Arena G, Rizzarelli E. BDNF- and VEGF-Responsive Stimulus to an NGF Mimic Cyclic Peptide with Copper Ionophore Capability and Ctr1/CCS-Driven Signaling. ACS Chem Neurosci 2024; 15:1755-1769. [PMID: 38602894 DOI: 10.1021/acschemneuro.3c00716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2024] Open
Abstract
Neurotrophins are a family of growth factors that play a key role in the development and regulation of the functioning of the central nervous system. Their use as drugs is made difficult by their poor stability, cellular permeability, and side effects. Continuing our effort to use peptides that mimic the neurotrophic growth factor (NGF), the family model protein, and specifically the N-terminus of the protein, here we report on the spectroscopic characterization and resistance to hydrolysis of the 14-membered cyclic peptide reproducing the N-terminus sequence (SSSHPIFHRGEFSV (c-NGF(1-14)). Far-UV CD spectra and a computational study show that this peptide has a rigid conformation and left-handed chirality typical of polyproline II that favors its interaction with the D5 domain of the NGF receptor TrkA. c-NGF(1-14) is able to bind Cu2+ with good affinity; the resulting complexes have been characterized by potentiometric and spectroscopic measurements. Experiments on PC12 cells show that c-NGF(1-14) acts as an ionophore, influencing the degree and the localization of both the membrane transporter (Ctr1) and the copper intracellular transporter (CCS). c-NGF(1-14) induces PC12 differentiation, mimics the protein in TrkA phosphorylation, and activates the kinase cascade, inducing Erk1/2 phosphorylation. c-NGF(1-14) biological activities are enhanced when the peptide interacts with Cu2+ even with the submicromolar quantities present in the culture media as demonstrated by ICP-OES measurements. Finally, c-NGF(1-14) and Cu2+ concur to activate the cAMP response element-binding protein CREB that, in turn, induces the brain-derived neurotrophic factor (BDNF) and the vascular endothelial growth factor (VEGF) release.
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Affiliation(s)
- Barbara Tomasello
- Department of Drug and Health Sciences, University of Catania, V.le Andrea Doria 6, Catania 95125, Italy
| | - Francesco Bellia
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Irina Naletova
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Antonio Magrì
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | - Giovanni Tabbì
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
| | | | | | - Warren R L Cairns
- Istituto di Scienze Polari (ISP), c/o Campus Scientifico, Università Ca' Foscari Venezia Via Torino, Venezia Mestre 155-30170, Italy
| | - Mariagrazia Fortino
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Adriana Pietropaolo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, Catanzaro 88100, Italy
| | - Valentina Greco
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Diego La Mendola
- Department of Pharmaceutical Sciences, University of Pisa, Bonanno Pisano 12, Pisa 56126, Italy
| | - Sebastiano Sciuto
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Giuseppe Arena
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
| | - Enrico Rizzarelli
- Institute of Crystallography, CNR, P. Gaifami 18, Catania 95126, Italy
- Department of Chemical Sciences, University of Catania, A. Doria 6, Catania 95125, Italy
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Atkinson E, Dickman R. Growth factors and their peptide mimetics for treatment of traumatic brain injury. Bioorg Med Chem 2023; 90:117368. [PMID: 37331175 DOI: 10.1016/j.bmc.2023.117368] [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: 04/06/2023] [Revised: 05/16/2023] [Accepted: 06/05/2023] [Indexed: 06/20/2023]
Abstract
Traumatic brain injury (TBI) is a leading cause of disability in adults, caused by a physical insult damaging the brain. Growth factor-based therapies have the potential to reduce the effects of secondary injury and improve outcomes by providing neuroprotection against glutamate excitotoxicity, oxidative damage, hypoxia, and ischemia, as well as promoting neurite outgrowth and the formation of new blood vessels. Despite promising evidence in preclinical studies, few neurotrophic factors have been tested in clinical trials for TBI. Translation to the clinic is not trivial and is limited by the short in vivo half-life of the protein, the inability to cross the blood-brain barrier and human delivery systems. Synthetic peptide mimetics have the potential to be used in place of recombinant growth factors, activating the same downstream signalling pathways, with a decrease in size and more favourable pharmacokinetic properties. In this review, we will discuss growth factors with the potential to modulate damage caused by secondary injury mechanisms following a traumatic brain injury that have been trialled in other indications including spinal cord injury, stroke and neurodegenerative diseases. Peptide mimetics of nerve growth factor (NGF), hepatocyte growth factor (HGF), glial cell line-derived growth factor (GDNF), brain-derived neurotrophic factor (BDNF), platelet-derived growth factor (PDGF) and fibroblast growth factor (FGF) will be highlighted, most of which have not yet been tested in preclinical or clinical models of TBI.
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Affiliation(s)
- Emily Atkinson
- School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK; UCL Centre for Nerve Engineering, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
| | - Rachael Dickman
- School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK.
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Liu S, Liu S, Li S, Liang B, Han X, Liang Y, Wei X. Nerves within bone and their application in tissue engineering of bone regeneration. Front Neurol 2023; 13:1085560. [PMID: 36818724 PMCID: PMC9933508 DOI: 10.3389/fneur.2022.1085560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/02/2022] [Indexed: 02/05/2023] Open
Abstract
Nerves within bone play an irreplaceable role in promoting bone regeneration. Crosstalk between the nerve system and bone has arisen to the attention of researchers in the field of basic medicine, clinical medicine, and biomaterials science. Successful bone regeneration relies on the appropriate participation of neural system components including nerve fibers, signaling molecules, and neural-related cells. Furthermore, more about the mechanisms through which nerves took part in bone regeneration and how these mechanisms could be integrated into tissue engineering scaffolds were under exploration. In the present review, we aimed to systematically elaborate on the structural and functional interrelationship between the nerve system and bone. In particular, peripheral nerves interact with the bone through innervated axons, multiple neurotrophins, and bone resident cells. Also, we aimed to summarize research that took advantage of the neuro-osteogenic network to design tissue engineering scaffolds for bone repair.
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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.
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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
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Chin-Chan M, Montes S, Blanco-Álvarez VM, Aguirre-Alarcón HA, Hernández-Rodríguez I, Bautista E. Relevance of biometals during neuronal differentiation and myelination: in vitro and in vivo studies. Biometals 2022; 35:395-427. [DOI: 10.1007/s10534-022-00380-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 02/27/2022] [Indexed: 12/20/2022]
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Stokowa-Sołtys K, Wojtkowiak K, Dzyhovskyi V, Wieczorek R. Effect of Copper(II) Ion Binding by Porin P1 Precursor Fragments from Fusobacterium nucleatum on DNA Degradation. Int J Mol Sci 2021; 22:ijms222212541. [PMID: 34830424 PMCID: PMC8623562 DOI: 10.3390/ijms222212541] [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: 10/20/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 12/31/2022] Open
Abstract
Fusobacterium nucleatum is one of the most notorious species involved in colorectal cancer. It was reported that numerous outer membrane proteins (OMP) are actively involved in carcinogenesis. In this paper, the structure and stability of certain complexes, as well as DNA cleavage and ROS generation by fragments of OMP, were investigated using experimental and theoretical methods. Mass spectrometry, potentiometry, UV-Vis, CD, EPR, gel electrophoresis and calculations at the density functional theory (DFT) level were applied. Two consecutive model peptides, Ac-AKGHEHQLE-NH2 and Ac-FGEHEHGRD-NH2, were studied. Both of these were rendered to form a variety of thermodynamically stable complexes with copper(II) ions. All of the complexes were stabilized, mainly due to interactions of metal with nitrogen and oxygen donor atoms, as well as rich hydrogen bond networks. It was also concluded that these complexes in the presence of hydrogen peroxide or ascorbic acid can effectively produce hydroxyl radicals and have an ability to cleave the DNA strands. Surprisingly, the second studied ligand at the micromolar concentration range causes overall DNA degradation.
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Jafari F, Mohammadi H, Amani R. The effect of zinc supplementation on brain derived neurotrophic factor: A meta-analysis. J Trace Elem Med Biol 2021; 66:126753. [PMID: 33831797 DOI: 10.1016/j.jtemb.2021.126753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 01/31/2021] [Accepted: 03/29/2021] [Indexed: 01/19/2023]
Abstract
BACKGROUND Zinc in one of the most abundant trace minerals in human body which is involved in numerous biological pathways and has variety of roles in the nervous system. It has been assumed that zinc exerts its role in nervous system through increasing brain derived neurotrophic factor (BDNF) concentrations. OBJECTIVES Present meta-analysis was aimed to review the effect of zinc supplementation on serum concentrations of BDNF. METHODS AND MATERIALS Four electronic databases (Pubmed, Scopus, Web of Science, Embase) were searched for identifying studies that examined BDNF levels prior and after zinc supplementation up to May 2020. According to the Cochrane guideline, a meta-analysis was performed to pool the effect size estimate (Hedges' test) of serum BDNF across studies. Risk of publication bias was assessed using a funnel plot and Egger's test. RESULTS Five studies were eligible and 238 participants were included. These studies enrolled subjects with premenstrual syndrome, diabetic retinopathy, major depression disorder, overweight/obese and obese with mild to moderate depressive disorders. Zinc supplementation failed to increase blood BDNF concentrations with effect size of 0.30 (95 % CI: -0.08, 0.67, P = 0.119). Funnel plot did not suggest publication bias. CONCLUSION Zinc supplementation may not significantly increase BDNF levels. However, the small number of included articles and significant heterogeneity between them can increase the risk of a false negative result; therefore, the results should be interpreted with caution.
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Affiliation(s)
- Fatemeh Jafari
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Hamed Mohammadi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Reza Amani
- Department of Clinical Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Gascon S, Jann J, Langlois-Blais C, Plourde M, Lavoie C, Faucheux N. Peptides Derived from Growth Factors to Treat Alzheimer's Disease. Int J Mol Sci 2021; 22:ijms22116071. [PMID: 34199883 PMCID: PMC8200100 DOI: 10.3390/ijms22116071] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 05/30/2021] [Accepted: 06/01/2021] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is a devastating neurodegenerative disease characterized by progressive neuron losses in memory-related brain structures. The classical features of AD are a dysregulation of the cholinergic system, the accumulation of amyloid plaques, and neurofibrillary tangles. Unfortunately, current treatments are unable to cure or even delay the progression of the disease. Therefore, new therapeutic strategies have emerged, such as the exogenous administration of neurotrophic factors (e.g., NGF and BDNF) that are deficient or dysregulated in AD. However, their low capacity to cross the blood-brain barrier and their exorbitant cost currently limit their use. To overcome these limitations, short peptides mimicking the binding receptor sites of these growth factors have been developed. Such peptides can target selective signaling pathways involved in neuron survival, differentiation, and/or maintenance. This review focuses on growth factors and their derived peptides as potential treatment for AD. It describes (1) the physiological functions of growth factors in the brain, their neuronal signaling pathways, and alteration in AD; (2) the strategies to develop peptides derived from growth factor and their capacity to mimic the role of native proteins; and (3) new advancements and potential in using these molecules as therapeutic treatments for AD, as well as their limitations.
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Affiliation(s)
- Suzanne Gascon
- Laboratory of Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, 2500 Boulevard Université, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; (S.G.); (J.J.)
| | - Jessica Jann
- Laboratory of Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, 2500 Boulevard Université, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; (S.G.); (J.J.)
| | - Chloé Langlois-Blais
- Département de Pharmacologie-Physiologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada;
| | - Mélanie Plourde
- Centre de Recherche sur le Vieillissement, Centre Intégré Universitaire de Santé et Services Sociaux de l’Estrie–Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, QC J1G 1B1, Canada;
- Département de Médecine, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada
| | - Christine Lavoie
- Département de Pharmacologie-Physiologie, Faculté de Médecine et des Sciences de la Santé, Université de Sherbrooke, Sherbrooke, QC J1H 5N4, Canada;
- Institut de Pharmacologie de Sherbrooke, 3001 12th Avenue, N., Sherbrooke, QC J1H 5N4, Canada
- Correspondence: (C.L.); (N.F.); Tel.: +1-819-821-8000 (ext. 72732) (C.L.); +1-819-821-8000 (ext. 61343) (N.F.)
| | - Nathalie Faucheux
- Laboratory of Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, 2500 Boulevard Université, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada; (S.G.); (J.J.)
- Institut de Pharmacologie de Sherbrooke, 3001 12th Avenue, N., Sherbrooke, QC J1H 5N4, Canada
- Correspondence: (C.L.); (N.F.); Tel.: +1-819-821-8000 (ext. 72732) (C.L.); +1-819-821-8000 (ext. 61343) (N.F.)
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Nerve Growth Factor Peptides Bind Copper(II) with High Affinity: A Thermodynamic Approach to Unveil Overlooked Neurotrophin Roles. Int J Mol Sci 2021; 22:ijms22105085. [PMID: 34064906 PMCID: PMC8150721 DOI: 10.3390/ijms22105085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/16/2022] Open
Abstract
Nerve growth factor (NGF) is a protein essential to neurons survival, which interacts with its receptor as a non-covalent dimer. Peptides belonging to NGF N-terminal domain are able to mimic the activity of the whole protein. Such activity is affected by the presence of copper ions. The metal is released in the synaptic cleft where proteins, not yet identified, may bind and transfer to human copper transporter 1 (hCtr1), for copper uptake in neurons. The measurements of the stability constants of copper complexes formed by amyloid beta and hCtr1 peptide fragments suggest that beta-amyloid (Aβ) can perform this task. In this work, the stability constant values of copper complex species formed with the dimeric form of N-terminal domain, sequence 1–15 of the protein, were determined by means of potentiometric measurements. At physiological pH, NGF peptides bind one equivalent of copper ion with higher affinity of Aβ and lower than hCtr1 peptide fragments. Therefore, in the synaptic cleft, NGF may act as a potential copper chelating molecule, ionophore or chaperone for hCtr1 for metal uptake. Copper dyshomeostasis and mild acidic environment may modify the balance between metal, NGF, and Aβ, with consequences on the metal cellular uptake and therefore be among causes of the Alzheimer’s disease onset.
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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]
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12
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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]
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13
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Soligo M, Felsani FM, Da Ros T, Bosi S, Pellizzoni E, Bruni S, Isopi J, Marcaccio M, Manni L, Fiorito S. Distribution in the brain and possible neuroprotective effects of intranasally delivered multi-walled carbon nanotubes. NANOSCALE ADVANCES 2021; 3:418-431. [PMID: 36131737 PMCID: PMC9418508 DOI: 10.1039/d0na00869a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 11/12/2020] [Indexed: 06/15/2023]
Abstract
Carbon nanotubes (CNTs) are currently under active investigation for their use in several biomedical applications, especially in neurological diseases and nervous system injury due to their electrochemical properties. Nowadays, no CNT-based therapeutic products for internal use appear to be close to the market, due to the still limited knowledge on their fate after delivery to living organisms and, in particular, on their toxicological profile. The purpose of the present work was to address the distribution in the brain parenchyma of two intranasally delivered MWCNTs (MWCNTs 1 and a-MWCNTs 2), different from each other, the first being non electroconductive while the second results in being electroconductive. After intranasal delivery, the presence of CNTs was investigated in several brain areas, discriminating the specific cell types involved in the CNT uptake. We also aimed to verify the neuroprotective potential of the two types of CNTs, delivering them in rats affected by early diabetic encephalopathy and analysing the modulation of nerve growth factor metabolism and the effects of CNTs on the neuronal and glial phenotypes. Our findings showed that both CNT types, when intranasally delivered, reached numerous brain areas and, in particular, the limbic area that plays a crucial role in the development and progression of major neurodegenerative diseases. Furthermore, we demonstrated that electroconductive MWCNTs were able to exert neuroprotective effects through the modulation of a key neurotrophic factor and probably the improvement of neurodegeneration-related gliosis.
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Affiliation(s)
- Marzia Soligo
- Institute of Translational Pharmacology, CNR Via Fosso del Cavaliere 100 00133 Rome Italy
| | - Fausto Maria Felsani
- Institute of Translational Pharmacology, CNR Via Fosso del Cavaliere 100 00133 Rome Italy
| | - Tatiana Da Ros
- INSTM - Trieste Unit, Department of Chemical and Pharmaceutical Sciences, University of Trieste Via Licio Giorgieri 1 34127 Trieste Italy
| | - Susanna Bosi
- INSTM - Trieste Unit, Department of Chemical and Pharmaceutical Sciences, University of Trieste Via Licio Giorgieri 1 34127 Trieste Italy
| | - Elena Pellizzoni
- INSTM - Trieste Unit, Department of Chemical and Pharmaceutical Sciences, University of Trieste Via Licio Giorgieri 1 34127 Trieste Italy
| | - Stefano Bruni
- Former Medical Director Sanofi - Genzyme, Italy, currently Orchard Therapeutics 108 Cannon Street London UK
| | - Jacopo Isopi
- Department of Chemistry "G. Ciamician", University of Bologna Via Selmi, 2 40126 Bologna Italy
| | - Massimo Marcaccio
- Department of Chemistry "G. Ciamician", University of Bologna Via Selmi, 2 40126 Bologna Italy
| | - Luigi Manni
- Institute of Translational Pharmacology, CNR Via Fosso del Cavaliere 100 00133 Rome Italy
| | - Silvana Fiorito
- Institute of Translational Pharmacology, CNR Via Fosso del Cavaliere 100 00133 Rome Italy
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Grazioso R, García-Viñuales S, D'Abrosca G, Baglivo I, Pedone PV, Milardi D, Fattorusso R, Isernia C, Russo L, Malgieri G. The change of conditions does not affect Ros87 downhill folding mechanism. Sci Rep 2020; 10:21067. [PMID: 33273582 PMCID: PMC7713307 DOI: 10.1038/s41598-020-78008-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 11/19/2020] [Indexed: 11/20/2022] Open
Abstract
Downhill folding has been defined as a unique thermodynamic process involving a conformations ensemble that progressively loses structure with the decrease of protein stability. Downhill folders are estimated to be rather rare in nature as they miss an energetically substantial folding barrier that can protect against aggregation and proteolysis. We have previously demonstrated that the prokaryotic zinc finger protein Ros87 shows a bipartite folding/unfolding process in which a metal binding intermediate converts to the native structure through a delicate barrier-less downhill transition. Significant variation in folding scenarios can be detected within protein families with high sequence identity and very similar folds and for the same sequence by varying conditions. For this reason, we here show, by means of DSC, CD and NMR, that also in different pH and ionic strength conditions Ros87 retains its partly downhill folding scenario demonstrating that, at least in metallo-proteins, the downhill mechanism can be found under a much wider range of conditions and coupled to other different transitions. We also show that mutations of Ros87 zinc coordination sphere produces a different folding scenario demonstrating that the organization of the metal ion core is determinant in the folding process of this family of proteins.
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Affiliation(s)
- Rinaldo Grazioso
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | | | - Gianluca D'Abrosca
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | - Ilaria Baglivo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | - Paolo Vincenzo Pedone
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | - Danilo Milardi
- Institute of Crystallography-CNR, Via Paolo Gaifami 18, 95126, Catania, Italy
| | - Roberto Fattorusso
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | - Carla Isernia
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy
| | - Luigi Russo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy.
| | - Gaetano Malgieri
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Via Vivaldi 43, 81100, Caserta, Italy.
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15
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Substitution of the Native Zn(II) with Cd(II), Co(II) and Ni(II) Changes the Downhill Unfolding Mechanism of Ros87 to a Completely Different Scenario. Int J Mol Sci 2020; 21:ijms21218285. [PMID: 33167398 PMCID: PMC7663847 DOI: 10.3390/ijms21218285] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/30/2020] [Accepted: 11/03/2020] [Indexed: 12/15/2022] Open
Abstract
The structural effects of zinc replacement by xenobiotic metal ions have been widely studied in several eukaryotic and prokaryotic zinc-finger-containing proteins. The prokaryotic zinc finger, that presents a bigger βββαα domain with a larger hydrophobic core with respect to its eukaryotic counterpart, represents a valuable model protein to study metal ion interaction with metallo-proteins. Several studies have been conducted on Ros87, the DNA binding domain of the prokaryotic zinc finger Ros, and have demonstrated that the domain appears to structurally tolerate Ni(II), albeit with important structural perturbations, but not Pb(II) and Hg(II), and it is in vitro functional when the zinc ion is replaced by Cd(II). We have previously shown that Ros87 unfolding is a two-step process in which a zinc binding intermediate converts to the native structure thorough a delicate downhill folding transition. Here, we explore the folding/unfolding behaviour of Ros87 coordinated to Co(II), Ni(II) or Cd(II), by UV-Vis, CD, DSC and NMR techniques. Interestingly, we show how the substitution of the native metal ion results in complete different folding scenarios. We found a two-state unfolding mechanism for Cd-Ros87 whose metal affinity Kd is comparable to the one obtained for the native Zn-Ros87, and a more complex mechanism for Co-Ros87 and Ni-Ros87, that show higher Kd values. Our data outline the complex cross-correlation between the protein-metal ion equilibrium and the folding mechanism proposing such an interplay as a key factor in the proper metal ion selection by a specific metallo-protein.
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16
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Trapani G, Caruso VCL, Cucci LM, Attanasio F, Tabbì G, Forte G, La Mendola D, Satriano C. Graphene Oxide Nanosheets Tailored With Aromatic Dipeptide Nanoassemblies for a Tuneable Interaction With Cell Membranes. Front Bioeng Biotechnol 2020; 8:427. [PMID: 32457892 PMCID: PMC7227426 DOI: 10.3389/fbioe.2020.00427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/14/2020] [Indexed: 12/17/2022] Open
Abstract
Engineered graphene-based derivatives are attractive and promising candidates for nanomedicine applications because of their versatility as 2D nanomaterials. However, the safe application of these materials needs to solve the still unanswered issue of graphene nanotoxicity. In this work, we investigated the self-assembly of dityrosine peptides driven by graphene oxide (GO) and/or copper ions in the comparison with the more hydrophobic diphenylalanine dipeptide. To scrutinize the peptide aggregation process, in the absence or presence of GO and/or Cu2+, we used atomic force microscopy, circular dichroism, UV-visible, fluorescence and electron paramagnetic resonance spectroscopies. The perturbative effect by the hybrid nanomaterials made of peptide-decorated GO nanosheets on model cell membranes of supported lipid bilayers was investigated. In particular, quartz crystal microbalance with dissipation monitoring and fluorescence recovery after photobleaching techniques were used to track the changes in the viscoelastic properties and fluidity of the cell membrane, respectively. Also, cellular experiments with two model tumour cell lines at a short time of incubation, evidenced the high potential of this approach to set up versatile nanoplatforms for nanomedicine and theranostic applications.
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Affiliation(s)
- Giuseppe Trapani
- Scuola Superiore di Catania, University of Catania, Catania, Italy
| | | | - Lorena Maria Cucci
- Department of Chemical Sciences, Nano Hybrid BioInterfaces Lab (NHBIL), University of Catania, Catania, Italy
| | | | - Giovanni Tabbì
- Institute of Crystallography - National Council of Research, Catania, Italy
| | - Giuseppe Forte
- Department of Pharmaceutical Sciences, University of Catania, Catania, Italy
| | | | - Cristina Satriano
- Department of Chemical Sciences, Nano Hybrid BioInterfaces Lab (NHBIL), University of Catania, Catania, Italy
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17
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Triaca V, Fico E, Sposato V, Caioli S, Ciotti MT, Zona C, Mercanti D, La Mendola D, Satriano C, Rizzarelli E, Tirassa P, Calissano P. hNGF Peptides Elicit the NGF-TrkA Signalling Pathway in Cholinergic Neurons and Retain Full Neurotrophic Activity in the DRG Assay. Biomolecules 2020; 10:biom10020216. [PMID: 32024191 PMCID: PMC7072391 DOI: 10.3390/biom10020216] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/22/2020] [Accepted: 01/26/2020] [Indexed: 12/18/2022] Open
Abstract
In the last decade, Nerve Growth Factor (NGF)-based clinical approaches have lacked specific and efficient Tyrosine Kinase A (TrkA) agonists for brain delivery. Nowadays, the characterization of novel small peptidomimetic is taking centre stage in preclinical studies, in order to overcome the main size-related limitation in brain delivery of NGF holoprotein for Central Nervous System (CNS) pathologies. Here we investigated the NGF mimetic properties of the human NGF 1–14 sequence (hNGF1–14) and its derivatives, by resorting to primary cholinergic and dorsal root ganglia (DRG) neurons. Briefly, we observed that: 1) hNGF1–14 peptides engage the NGF pathway through TrkA phosphorylation at tyrosine 490 (Y490), and activation of ShcC/PI3K and Plc-γ/MAPK signalling, promoting AKT-dependent survival and CREB-driven neuronal activity, as seen by levels of the immediate early gene c-Fos, of the cholinergic marker Choline Acetyltransferase (ChAT), and of Brain Derived Neurotrophic Factor (BDNF); 2) their NGF mimetic activity is lost upon selective TrkA inhibition by means of GW441756; 3) hNGF1–14 peptides are able to sustain DRG survival and differentiation in absence of NGF. Furthermore, the acetylated derivative Ac-hNGF1–14 demonstrated an optimal NGF mimetic activity in both neuronal paradigms and an electrophysiological profile similar to NGF in cholinergic neurons. Cumulatively, the findings here reported pinpoint the hNGF1–14 peptide, and in particular its acetylated derivative, as novel, specific and low molecular weight TrkA specific agonists in both CNS and PNS primary neurons.
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Affiliation(s)
- Viviana Triaca
- Institute of Biochemistry and Cell Biology, National Research Council (CNR-IBBC), International Campus A. Buzzati Traverso, Via E. Ramarini 32, Monterotondo, 00015 Rome, Italy
- Correspondence: ; Tel.: +39-06-90091357
| | - Elena Fico
- Institute of Biochemistry and Cell Biology, National Research Council (CNR-IBBC), at Department of Sense Organs, University of Rome “ La Sapienza”, Viale del Policlinico 155, 00161 Rome, Italy; (E.F.); (M.T.C.); (D.M.); (P.T.)
| | - Valentina Sposato
- European Brain Research Institute (EBRI Foundation), Viale Regina Elena 295, 00161 Rome, Italy; (V.S.); (P.C.)
| | - Silvia Caioli
- IRCCS S. Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy; (S.C.); (C.Z.)
| | - Maria Teresa Ciotti
- Institute of Biochemistry and Cell Biology, National Research Council (CNR-IBBC), at Department of Sense Organs, University of Rome “ La Sapienza”, Viale del Policlinico 155, 00161 Rome, Italy; (E.F.); (M.T.C.); (D.M.); (P.T.)
| | - Cristina Zona
- IRCCS S. Lucia Foundation, Via del Fosso di Fiorano 64, 00143 Rome, Italy; (S.C.); (C.Z.)
- Department of Systems Medicine, University of Rome “TorVergata”, Via Montpellier 1, 00133 Rome, Italy
| | - Delio Mercanti
- Institute of Biochemistry and Cell Biology, National Research Council (CNR-IBBC), at Department of Sense Organs, University of Rome “ La Sapienza”, Viale del Policlinico 155, 00161 Rome, Italy; (E.F.); (M.T.C.); (D.M.); (P.T.)
| | - Diego La Mendola
- Department of Pharmacy, University of Pisa, via Bonanno Pisano 6, 56126 Pisa, Italy;
| | - Cristina Satriano
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy; (C.S.); (E.R.)
| | - Enrico Rizzarelli
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy; (C.S.); (E.R.)
- Institute of Crystallography, National Research Council (CNR-IC), Via Paolo Gaifami 18, 95126 Catania, Italy
| | - Paola Tirassa
- Institute of Biochemistry and Cell Biology, National Research Council (CNR-IBBC), at Department of Sense Organs, University of Rome “ La Sapienza”, Viale del Policlinico 155, 00161 Rome, Italy; (E.F.); (M.T.C.); (D.M.); (P.T.)
| | - Pietro Calissano
- European Brain Research Institute (EBRI Foundation), Viale Regina Elena 295, 00161 Rome, Italy; (V.S.); (P.C.)
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18
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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.
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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
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19
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Zn 2+ Interaction with Amyloid-Β: Affinity and Speciation. Molecules 2019; 24:molecules24152796. [PMID: 31370315 PMCID: PMC6695645 DOI: 10.3390/molecules24152796] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 12/26/2022] Open
Abstract
Conflicting values, obtained by different techniques and often under different experimental conditions have been reported on the affinity of Zn2+ for amyloid-β, that is recognized as the major interaction responsible for Alzheimer’s disease. Here, we compare the approaches employed so far, i.e., the evaluation of Kd and the determination of the stability constants to quantitatively express the affinity of Zn2+ for the amyloid-β peptide, evidencing the pros and cons of the two approaches. We also comment on the different techniques and conditions employed that may lead to divergent data. Through the analysis of the species distribution obtained for two selected examples, we show the implications that the speciation, based on stoichiometric constants rather than on Kd, may have on data interpretation. The paper also demonstrates that the problem is further complicated by the occurrence of multiple equilibria over a relatively narrow pH range.
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20
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Abstract
Nerve growth factor (NGF) is a key regulator of chronic osteoarthritic pain, but the exact targets of NGF action on human articular cartilage is unknown. This study aimed to test the hypothesis that the NGF-tropomyosin receptor kinase A (TrkA) (high-affinity NGF receptor) pathway plays a role in the calcification process of human articular chondrocytes (hACs). A 14-aa small peptide of NGF (Nsp) previously shown to activate NGF signaling in rat PC12 cells was used as an NGF signaling agonist, and recombinant NGF and the pan-Trk inhibitor GNF-5837 were employed as signaling modulating agents. The functional consequences of NGF-TrkA signaling were examined in human healthy articular chondrocytes maintained under conditions supportive of osteogenesis in vitro. The NGF-mimetic bioactivity of Nsp was first confirmed on the basis of maintenance of neurite outgrowth in PC12 cells. Primary human chondrocytes responded to Nsp in vitro. Perturbation of NGF signaling with NGF, Nsp, and GNF-5837 resulted in a strong induction of chondrocyte calcification, and gene expression data suggested that the Indian Hedgehog-parathyroid hormone-related protein signaling axis was involved. These findings suggest functional involvement of NGF signaling in calcification of hACs and the importance of NGF signaling in articular cartilage homeostasis.-Jiang, Y., Tuan, R. S. Role of NGF-TrkA signaling in calcification of articular chondrocytes.
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Affiliation(s)
- Yangzi Jiang
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,Institute for Tissue Engineering and Regenerative Medicine, and School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Rocky S Tuan
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.,Institute for Tissue Engineering and Regenerative Medicine, and School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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21
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Naletova I, Satriano C, Pietropaolo A, Gianì F, Pandini G, Triaca V, Amadoro G, Latina V, Calissano P, Travaglia A, Nicoletti VG, La Mendola D, Rizzarelli E. The Copper(II)-Assisted Connection between NGF and BDNF by Means of Nerve Growth Factor-Mimicking Short Peptides. Cells 2019; 8:E301. [PMID: 30939824 PMCID: PMC6523629 DOI: 10.3390/cells8040301] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 03/23/2019] [Accepted: 03/30/2019] [Indexed: 01/16/2023] Open
Abstract
Nerve growth factor (NGF) is a protein necessary for development and maintenance of the sympathetic and sensory nervous systems. We have previously shown that the NGF N-terminus peptide NGF(1-14) is sufficient to activate TrkA signaling pathways essential for neuronal survival and to induce an increase in brain-derived neurotrophic factor (BDNF) expression. Cu2+ ions played a critical role in the modulation of the biological activity of NGF(1-14). Using computational, spectroscopic, and biochemical techniques, here we report on the ability of a newly synthesized peptide named d-NGF(1-15), which is the dimeric form of NGF(1-14), to interact with TrkA. We found that d-NGF(1-15) interacts with the TrkA-D5 domain and induces the activation of its signaling pathways. Copper binding to d-NGF(1-15) stabilizes the secondary structure of the peptides, suggesting a strengthening of the noncovalent interactions that allow for the molecular recognition of D5 domain of TrkA and the activation of the signaling pathways. Intriguingly, the signaling cascade induced by the NGF peptides ultimately involves cAMP response element-binding protein (CREB) activation and an increase in BDNF protein level, in keeping with our previous result showing an increase of BDNF mRNA. All these promising connections can pave the way for developing interesting novel drugs for neurodegenerative diseases.
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Affiliation(s)
- Irina Naletova
- 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.
| | - Adriana Pietropaolo
- Department of Health Sciences, University of Catanzaro, Campus Universitario Viale Europa, 88100 Catanzaro, Italy.
| | - Fiorenza Gianì
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of Catania, via Palermo n. 636, 95122 Catania, Italy.
| | - Giuseppe Pandini
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, University of Catania, via Palermo n. 636, 95122 Catania, Italy.
| | - Viviana Triaca
- Medicina Molecolare e Traslazionale "Rita Levi Montalcini", Institute of Cellular Biology and Neurobiology (IBCN), National Research Council (CNR), c/o Policlinico Umberto I, University of Rome "La Sapienza", Via del Policlinico 255, 00161 Rome, Italy.
| | - Giuseppina Amadoro
- Institute of Translational Pharmacology (IFT), National Research Council (CNR), 00131 Rome, Italy.
| | - Valentina Latina
- European Brain Research Institute, Viale Regina Elena 295, 00161, 64-65, 00143 Rome, Italy.
| | - Pietro Calissano
- European Brain Research Institute, Viale Regina Elena 295, 00161, 64-65, 00143 Rome, Italy.
| | - Alessio Travaglia
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Vincenzo Giuseppe Nicoletti
- Section of Medical Biochemistry, Department of Biomedical and Biotechnological Sciences, University of Catania, 95124 Catania, Italy.
| | - Diego La Mendola
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy.
| | - Enrico Rizzarelli
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
- Institute of Crystallography-Catania, National Research Council (CNR), Via P. Gaifami, 95126 Catania, Italy.
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22
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De Tommaso G, Malgieri G, De Rosa L, Fattorusso R, D'Abrosca G, Romanelli A, Iuliano M, D'Andrea LD, Isernia C. Coordination of a bis-histidine-oligopeptide to Re(i) and Ga(iii) in aqueous solution. Dalton Trans 2019; 48:15184-15191. [DOI: 10.1039/c9dt02406a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We have spectroscopically analyzed the chemistry in aqueous solution and the properties of the histidine-based chelator pHis2 complexed to the fac-[Re(H2O)3(CO)3]+ and Ga(iii) to unveil the molecular determinants of their coordination.
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Affiliation(s)
- Gaetano De Tommaso
- Department of Chemical Sciences
- University of Naples “Federico II” Cupa Nuova Cintia
- 21-80126 Naples
- Italy
| | - Gaetano Malgieri
- Department of Environmental
- Biological and Pharmaceutical
- Sciences and Technologies
- University of Campania “L. Vanvitelli”
- 43-81100 Caserta
| | - Lucia De Rosa
- Institute of Biostructure and Bioimaging
- CNR
- 16-80134 Naples
- Italy
| | - Roberto Fattorusso
- Department of Environmental
- Biological and Pharmaceutical
- Sciences and Technologies
- University of Campania “L. Vanvitelli”
- 43-81100 Caserta
| | - Gianluca D'Abrosca
- Department of Environmental
- Biological and Pharmaceutical
- Sciences and Technologies
- University of Campania “L. Vanvitelli”
- 43-81100 Caserta
| | | | - Mauro Iuliano
- Department of Chemical Sciences
- University of Naples “Federico II” Cupa Nuova Cintia
- 21-80126 Naples
- Italy
| | | | - Carla Isernia
- Department of Environmental
- Biological and Pharmaceutical
- Sciences and Technologies
- University of Campania “L. Vanvitelli”
- 43-81100 Caserta
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23
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Magrì A, La Mendola D. Copper Binding Features of Tropomyosin-Receptor-Kinase-A Fragment: Clue for Neurotrophic Factors and Metals Link. Int J Mol Sci 2018; 19:ijms19082374. [PMID: 30103559 PMCID: PMC6121459 DOI: 10.3390/ijms19082374] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/01/2018] [Accepted: 08/07/2018] [Indexed: 12/31/2022] Open
Abstract
The nerve growth factor (NGF) is a neurotrophin essential for the development and maintenance of neurons, whose activity is influenced by copper ions. The NGF protein exerts its action by binding to its specific receptor, TrkA. In this study, a specific domain of the TrkA receptor, region 58⁻64, was synthesized and its copper(II) complexes characterized by means of potentiometric and spectroscopic studies. The two vicinal histidine residues provide excellent metal anchoring sites and, at physiological pH, a complex with the involvement of the peptide backbone amide nitrogen is the predominant species. The TrkA peptide is competitive for metal binding with analogous peptides due to the N-terminal domain of NGF. These data provide cues for future exploration of the effect of metal ions on the activity of the NGF and its specific cellular receptor.
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Affiliation(s)
- Antonio Magrì
- Institute of Biostructures and Bioimages, National Council of Research (CNR), Via Paolo Gaifami 18, 95126 Catania, Italy.
- Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (CIRCMSB), via Celso Ulpiani, 27, 70125 Bari, Italy.
| | - Diego La Mendola
- Consorzio Interuniversitario di Ricerca in Chimica dei Metalli nei Sistemi Biologici (CIRCMSB), via Celso Ulpiani, 27, 70125 Bari, Italy.
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy.
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24
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Lanza V, Bellia F, Rizzarelli E. An inorganic overview of natural Aβ fragments: Copper(II) and zinc(II)-mediated pathways. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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25
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Pietropaolo A, Magrì A, Greco V, Losasso V, La Mendola D, Sciuto S, Carloni P, Rizzarelli E. Binding of Zn(II) to Tropomyosin Receptor Kinase A in Complex with Its Cognate Nerve Growth Factor: Insights from Molecular Simulation and in Vitro Essays. ACS Chem Neurosci 2018; 9:1095-1103. [PMID: 29281262 DOI: 10.1021/acschemneuro.7b00470] [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] [Indexed: 01/02/2023] Open
Abstract
The binding of the human nerve growth factor (NGF) protein to tropomyosin receptor kinase A (TrkA) is associated with Alzhemeir's development. Owing to the large presence of zinc(II) ions in the synaptic compartments, the zinc ions might be bound to the complex in vivo. Here, we have identified a putative zinc binding site using a combination of computations and experiments. First, we have predicted structural features of the NGF/TrkA complex in an aqueous solution by molecular simulation. Metadynamics free energy calculations suggest that these are very similar to those in the X-ray structure. Here, the "crab" structure of the NGF shape binds tightly to two TrkA "pincers". Transient conformations of the complex include both more extended and more closed conformations. Interestingly, the latter features facial histidines (His60 and His61) among the N-terminal D1-D3 domains, each of which is a potential binding region for biometals. This suggests the presence of a four-His Zn binding site connecting the two chains. To address this issue, we investigated the binding of a D1-D3 domains' peptide mimic by stability constant and nuclear magnetic resonance measurements, complemented by density functional theory-based calculations. Taken together, these establish unambiguously a four-His coordination of the metal ion in the model systems, supporting the presence of our postulated binding site in the NGF/TrkA complex.
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Affiliation(s)
- Adriana Pietropaolo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, 88100 Catanzaro, Italy
| | - Antonio Magrì
- IBB-CNR, UOS Catania, via Paolo Gaifami 18, 95126 Catania, Italy
| | - Valentina Greco
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Valeria Losasso
- Institute for Computational Biomedicine (IAS-5/INM-9/INM-9) Forschungszentrum Jülich, 52425 Jülich, Germany
- Department of Physics, RWTH Aachen University, 52056 Aachen, Germany
| | - Diego La Mendola
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy
| | - Sebastiano Sciuto
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Paolo Carloni
- Institute for Computational Biomedicine (IAS-5/INM-9/INM-9) Forschungszentrum Jülich, 52425 Jülich, Germany
- Department of Physics, RWTH Aachen University, 52056 Aachen, Germany
| | - Enrico Rizzarelli
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea Doria 6, 95125 Catania, Italy
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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.
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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.
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Haddad Y, Adam V, Heger Z. Trk Receptors and Neurotrophin Cross-Interactions: New Perspectives Toward Manipulating Therapeutic Side-Effects. Front Mol Neurosci 2017; 10:130. [PMID: 28515680 PMCID: PMC5414483 DOI: 10.3389/fnmol.2017.00130] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Accepted: 04/18/2017] [Indexed: 12/02/2022] Open
Abstract
Some therapeutic side-effects result from simultaneous activation of homolog receptors by the same ligand. Tropomyosin receptor kinases (TrkA, TrkB and TrkC) play a major role in the development and biology of neurons through neurotrophin signaling. The wide range of cross-interactions between Trk receptors and neurotrophins vary in selectivity, affinity and function. In this study, we discuss new perspectives to the manipulation of side-effects via a better understanding of the cross-interactions at the molecular level, derived by computational methods. Available crystal structures of Trk receptors and neurotrophins are a valuable resource for exploitation via molecular mechanics (MM) and dynamics (MD). The study of the energetics and dynamics of neurotrophins or neurotrophic peptides interacting with Trk receptors will provide insight to structural regions that may be candidates for drug targeting and signaling pathway selection.
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Affiliation(s)
- Yazan Haddad
- Department of Chemistry and Biochemistry, Mendel University in BrnoBrno, Czechia.,Central European Institute of Technology, Brno University of TechnologyBrno, Czechia
| | - Vojtěch Adam
- Department of Chemistry and Biochemistry, Mendel University in BrnoBrno, Czechia.,Central European Institute of Technology, Brno University of TechnologyBrno, Czechia
| | - Zbyněk Heger
- Department of Chemistry and Biochemistry, Mendel University in BrnoBrno, Czechia.,Central European Institute of Technology, Brno University of TechnologyBrno, Czechia
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28
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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]
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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.
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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
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30
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Lanza V, Travaglia A, Malgieri G, Fattorusso R, Grasso G, Di Natale G, Zito V, Arena G, Milardi D, Rizzarelli E. Ubiquitin Associates with the N-Terminal Domain of Nerve Growth Factor: The Role of Copper(II) Ions. Chemistry 2016; 22:17767-17775. [PMID: 27759905 DOI: 10.1002/chem.201603650] [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: 07/31/2016] [Indexed: 11/10/2022]
Abstract
Many biochemical pathways involving nerve growth factor (NGF), a neurotrophin with copper(II) binding abilities, are regulated by the ubiquitin (Ub) proteasome system. However, whether NGF binds Ub and the role played by copper(II) ions in modulating their interactions have not yet been investigated. Herein NMR spectroscopy, circular dichroism, ESI-MS, and titration calorimetry are employed to characterize the interactions of NGF with Ub. NGF1-14 , which is a short model peptide encompassing the first 14 N-terminal residues of NGF, binds the copper-binding regions of Ub (KD =8.6 10-5 m). Moreover, the peptide undergoes a random coil-polyproline type II helix structural conversion upon binding to Ub. Notably, copper(II) ions inhibit NGF1-14 /Ub interactions. Further experiments performed with the full-length NGF confirmed the existence of a copper(II)-dependent association between Ub and NGF and indicated that the N-terminal domain of NGF was a valuable paradigm that recapitulated many traits of the full-length protein.
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Affiliation(s)
- Valeria Lanza
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via P. Gaifami18, 95126, Catania, Italy
| | - Alessio Travaglia
- Center for Neural Science, New York University, 4 Washington Pl, New York, NY, 10003, USA
| | - Gaetano Malgieri
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Seconda Università di Napoli, Via Vivaldi 43, 81100, Caserta, Italy
| | - Roberto Fattorusso
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Seconda Università di Napoli, Via Vivaldi 43, 81100, Caserta, Italy
| | - Giuseppe Grasso
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, V.le A.Doria 6, 95125, Catania, Italy
| | - Giuseppe Di Natale
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via P. Gaifami18, 95126, Catania, Italy
| | - Valeria Zito
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via P. Gaifami18, 95126, Catania, Italy
| | - Giuseppe Arena
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, V.le A.Doria 6, 95125, Catania, Italy
| | - Danilo Milardi
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via P. Gaifami18, 95126, Catania, Italy
| | - Enrico Rizzarelli
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, Via P. Gaifami18, 95126, Catania, Italy.,Dipartimento di Scienze Chimiche, Università degli Studi di Catania, V.le A.Doria 6, 95125, Catania, Italy
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31
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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.
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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.
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Magrì A, Munzone A, Peana M, Medici S, Zoroddu MA, Hansson O, Satriano C, Rizzarelli E, La Mendola D. Coordination Environment of Cu(II) Ions Bound to N-Terminal Peptide Fragments of Angiogenin Protein. Int J Mol Sci 2016; 17:ijms17081240. [PMID: 27490533 PMCID: PMC5000638 DOI: 10.3390/ijms17081240] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Revised: 07/21/2016] [Accepted: 07/22/2016] [Indexed: 12/11/2022] Open
Abstract
Angiogenin (Ang) is a potent angiogenic factor, strongly overexpressed in patients affected by different types of cancers. The specific Ang cellular receptors have not been identified, but it is known that Ang-actin interaction induces changes both in the cell cytoskeleton and in the extracellular matrix. Most in vitro studies use the recombinant form (r-Ang) instead of the form that is normally present in vivo ("wild-type", wt-Ang). The first residue of r-Ang is a methionine, with a free amino group, whereas wt-Ang has a glutamic acid, whose amino group spontaneously cyclizes in the pyro-glutamate form. The Ang biological activity is influenced by copper ions. To elucidate the role of such a free amino group on the protein-copper binding, we scrutinized the copper(II) complexes with the peptide fragments Ang(1-17) and AcAng(1-17), which encompass the sequence 1-17 of angiogenin (QDNSRYTHFLTQHYDAK-NH₂), with free amino and acetylated N-terminus, respectively. Potentiometric, ultraviolet-visible (UV-vis), nuclear magnetic resonance (NMR) and circular dichroism (CD) studies demonstrate that the two peptides show a different metal coordination environment. Confocal microscopy imaging of neuroblastoma cells with the actin staining supports the spectroscopic results, with the finding of different responses in the cytoskeleton organization upon the interaction, in the presence or not of copper ions, with the free amino and the acetylated N-terminus peptides.
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Affiliation(s)
- Antonio Magrì
- Institute of Biostructures and Bioimages, National Council of Research ( CNR), Via P. Gaifami 18, 95126 Catania, Italy.
| | - Alessia Munzone
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Massimiliano Peana
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 Sassari, Italy.
| | - Serenella Medici
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 Sassari, Italy.
| | - Maria Antonietta Zoroddu
- Department of Chemistry and Pharmacy, University of Sassari, Via Vienna 2, 07100 Sassari, Italy.
| | - Orjan Hansson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Medicinaregatan 9C, 41390 Göteborg, Sweden.
| | - Cristina Satriano
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy.
| | - Enrico Rizzarelli
- Institute of Biostructures and Bioimages, National Council of Research ( CNR), Via P. Gaifami 18, 95126 Catania, Italy.
- 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.
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33
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The neglected role of copper ions in wound healing. J Inorg Biochem 2016; 161:1-8. [DOI: 10.1016/j.jinorgbio.2016.02.012] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 01/19/2016] [Accepted: 02/10/2016] [Indexed: 12/30/2022]
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34
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Grasso G, Santoro AM, Magrì A, La Mendola D, Tomasello MF, Zimbone S, Rizzarelli E. The Inorganic Perspective of VEGF: Interactions of Cu2+ with Peptides Encompassing a Recognition Domain of the VEGF Receptor. J Inorg Biochem 2016; 159:149-58. [DOI: 10.1016/j.jinorgbio.2016.03.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/29/2016] [Accepted: 03/12/2016] [Indexed: 12/19/2022]
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35
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Malgieri G, Palmieri M, Russo L, Fattorusso R, Pedone PV, Isernia C. The prokaryotic zinc-finger: structure, function and comparison with the eukaryotic counterpart. FEBS J 2015; 282:4480-96. [PMID: 26365095 DOI: 10.1111/febs.13503] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 07/23/2015] [Accepted: 08/24/2015] [Indexed: 01/18/2023]
Abstract
Classical zinc finger (ZF) domains were thought to be confined to the eukaryotic kingdom until the transcriptional regulator Ros protein was identified in Agrobacterium tumefaciens. The Ros Cys2 His2 ZF binds DNA in a peculiar mode and folds in a domain significantly larger than its eukaryotic counterpart consisting of 58 amino acids (the 9-66 region) arranged in a βββαα topology, and stabilized by a conserved, extensive, 15-residue hydrophobic core. The prokaryotic ZF domain, then, shows some intriguing new features that make it interestingly different from its eukaryotic counterpart. This review will focus on the prokaryotic ZFs, summarizing and discussing differences and analogies with the eukaryotic domains and providing important insights into their structure/function relationships.
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Affiliation(s)
- Gaetano Malgieri
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy
| | - Maddalena Palmieri
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy
| | - Luigi Russo
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy
| | - Roberto Fattorusso
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy.,Interuniversity Research Centre on Bioactive Peptides, University of Naples 'Federico II', Naples, Italy
| | - Paolo V Pedone
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy.,Interuniversity Research Centre on Bioactive Peptides, University of Naples 'Federico II', Naples, Italy
| | - Carla Isernia
- Department of Environmental, Biological and Pharmaceutical Science and Technology, II University of Naples, Caserta, Italy.,Interuniversity Research Centre on Bioactive Peptides, University of Naples 'Federico II', Naples, Italy
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36
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Travaglia A, Pietropaolo A, Di Martino R, Nicoletti VG, La Mendola D, Calissano P, Rizzarelli E. A small linear peptide encompassing the NGF N-terminus partly mimics the biological activities of the entire neurotrophin in PC12 cells. ACS Chem Neurosci 2015; 6:1379-92. [PMID: 25939060 DOI: 10.1021/acschemneuro.5b00069] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Ever since the discovery of its neurite growth promoting activity in sympathetic and sensory ganglia, nerve growth factor (NGF) became the prototype of the large family of neurotrophins. The use of primary cultures and clonal cell lines has revealed several distinct actions of NGF and other neurotrophins. Among several models of NGF activity, the clonal cell line PC12 is the most widely employed. Thus, in the presence of NGF, through the activation of the transmembrane protein TrkA, these cells undergo a progressive mitotic arrest and start to grow electrically excitable neuritis. A vast number of studies opened intriguing aspects of NGF mechanisms of action, its biological properties, and potential use as therapeutic agents. In this context, identifying and utilizing small portions of NGF is of great interest and involves several human diseases including Alzheimer's disease. Here we report the specific action of the peptide encompassing the 1-14 sequence of the human NGF (NGF(1-14)), identified on the basis of scattered indications present in literature. The biological activity of NGF(1-14) was tested on PC12 cells, and its binding with TrkA was predicted by means of a computational approach. NGF(1-14) does not elicit the neurite outgrowth promoting activity, typical of the whole protein, and it only has a moderate action on PC12 proliferation. However, this peptide exerts, in a dose and time dependent fashion, an effective and specific NGF-like action on some highly conserved and biologically crucial intermediates of its intracellular targets such as Akt and CREB. These findings indicate that not all TrkA pathways must be at all times operative, and open the possibility of testing each of them in relation with specific NGF needs, biological actions, and potential therapeutic use.
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Affiliation(s)
- Alessio Travaglia
- Center for Neural Science, New York University, 4 Washington Place, New York, New York 10003, United States
| | - Adriana Pietropaolo
- Dipartimento di Scienze della Salute, Università di Catanzaro, Viale Europa, 88100 Catanzaro, Italy
| | - Rossana Di Martino
- Istituto di Bioimmagini e Fisiologia Molecolare (IBFM)-CNR, C.da Pietrapollastra-Pisciotto, Cefalù, Palermo 90015, Italy
| | - Vincenzo G. Nicoletti
- Dipartimento di Scienze Biomediche e Biotecnologiche - Sezione di Biochimica Medica, Università degli Studi di Catania, Viale Andrea Doria 6, 95125 Catania, Italy
- Istituto Nazionale Biostrutture e Biosistemi (INBB) − Sezione Biomolecole, Consorzio Interuniversitario, Viale Medaglie d’Oro 305, 00136 Roma, Italy
| | - Diego La Mendola
- Department of Pharmacy, University of Pisa, Via Bonanno Pisano 6, 56126 Pisa, Italy
| | - Pietro Calissano
- European Brain Research Institute (EBRI), Via del Fosso di Fiorano, 64-65, 00143 Rome, Italy
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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.
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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.
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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]
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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.
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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]
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The clearance of misfolded proteins in neurodegenerative diseases by zinc metalloproteases: An inorganic perspective. Coord Chem Rev 2014. [DOI: 10.1016/j.ccr.2013.10.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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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]
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Grasso G, Magrì A, Bellia F, Pietropaolo A, La Mendola D, Rizzarelli E. The copper(II) and zinc(II) coordination mode of HExxH and HxxEH motif in small peptides: the role of carboxylate location and hydrogen bonding network. J Inorg Biochem 2013; 130:92-102. [PMID: 24184693 DOI: 10.1016/j.jinorgbio.2013.09.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 09/30/2013] [Accepted: 09/30/2013] [Indexed: 10/26/2022]
Abstract
Copper(II) and zinc(II) complexes with two hexapeptides encompassing HExxH and HxxEH motif were characterized by means of a combined experimental and theoretical approach. Parallel tempering and density functional theory (DFT) investigations show the presence of different hydrogen bonding networks between the copper(II) and zinc(II) complexes with the two peptides, suggesting a significant contribution of these non-covalent interactions to the stability constant values. The glutamate carboxylate group has a direct role in metal ion binding. The location of this amino acid along the sequence of the investigated peptides is critical to determine thermodynamic and spectroscopic features of the copper(II) complex species, whereas is less relevant in the zinc(II) complexes formation. Electrospray ionization mass spectrometry (ESI-MS) characterization of the zinc(II) complex species show that in the [ZnH-2L] two deprotonated amide nitrogen atoms are involved in the metal coordination environment, an uncommon behavior in zinc(II) complexes for multi-histidine ligands.
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Affiliation(s)
- Giuseppe Grasso
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale A. Doria 6, 95125 Catania, Italy
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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.
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Affiliation(s)
- Alessio Travaglia
- Center for Neural Science, New York University , 4 Washington Place, New York, New York 10003, United States
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Arena G, Bellia F, Frasca G, Grasso G, Lanza V, Rizzarelli E, Tabbì G, Zito V, Milardi D. Inorganic Stressors of Ubiquitin. Inorg Chem 2013; 52:9567-73. [DOI: 10.1021/ic401276x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Giuseppe Arena
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea
Doria 6, 95125 Catania, Italy
| | - Francesco Bellia
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Giuseppina Frasca
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Giulia Grasso
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Valeria Lanza
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Enrico Rizzarelli
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Viale Andrea
Doria 6, 95125 Catania, Italy
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Giovanni Tabbì
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Valeria Zito
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
| | - Danilo Milardi
- Istituto di Biostrutture e Bioimmagini
UOS—CT, Consiglio Nazionale delle Ricerche, Viale Andrea Doria 6, 95125 Catania, Italy
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Travaglia A, La Mendola D, Magrì A, Nicoletti VG, Pietropaolo A, Rizzarelli E. Copper, BDNF and Its N-terminal Domain: Inorganic Features and Biological Perspectives. Chemistry 2012; 18:15618-31. [DOI: 10.1002/chem.201202775] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Indexed: 11/11/2022]
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47
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Travaglia A, Pietropaolo A, La Mendola D, Nicoletti VG, Rizzarelli E. The inorganic perspectives of neurotrophins and Alzheimer's disease. J Inorg Biochem 2012; 111:130-7. [DOI: 10.1016/j.jinorgbio.2011.10.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2011] [Revised: 08/30/2011] [Accepted: 10/03/2011] [Indexed: 01/19/2023]
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48
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Arena G, Pappalardo G, Sovago I, Rizzarelli E. Copper(II) interaction with amyloid-β: Affinity and speciation. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2011.07.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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49
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Grasso G, Giuffrida ML, Rizzarelli E. Metallostasis and amyloid β-degrading enzymes. Metallomics 2012; 4:937-49. [DOI: 10.1039/c2mt20105d] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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50
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La Mendola D, Farkas D, Bellia F, Magrì A, Travaglia A, Hansson Ö, Rizzarelli E. Probing the Copper(II) Binding Features of Angiogenin. Similarities and Differences between a N-Terminus Peptide Fragment and the Recombinant Human Protein. Inorg Chem 2011; 51:128-41. [DOI: 10.1021/ic201300e] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Diego La Mendola
- Istituto di Biostrutture e Bioimmagini-CNR-Catania, Viale A. Doria 6, 95125 Catania,
Italy
| | - Daniel Farkas
- Department of Chemistry, University of Gothenburg, PO Box 462, SE-40530 Gothenburg,
Sweden
| | - Francesco Bellia
- Dipartimento di Scienze
Chimiche, Università di Catania,
Viale A. Doria 6, 95125
Catania, Italy
| | - Antonio Magrì
- Istituto di Biostrutture e Bioimmagini-CNR-Catania, Viale A. Doria 6, 95125 Catania,
Italy
| | - Alessio Travaglia
- Dipartimento di Scienze
Chimiche, Università di Catania,
Viale A. Doria 6, 95125
Catania, Italy
| | - Örjan Hansson
- Department of Chemistry, University of Gothenburg, PO Box 462, SE-40530 Gothenburg,
Sweden
| | - Enrico Rizzarelli
- Dipartimento di Scienze
Chimiche, Università di Catania,
Viale A. Doria 6, 95125
Catania, Italy
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