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Semenova MA, Bochkova ZV, Smirnova OM, Maksimov GV, Kirpichnikov MP, Dolgikh DA, Brazhe NA, Chertkova RV. Charged Amino Acid Substitutions Affect Conformation of Neuroglobin and Cytochrome c Heme Groups. Curr Issues Mol Biol 2024; 46:3364-3378. [PMID: 38666941 PMCID: PMC11049214 DOI: 10.3390/cimb46040211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
Neuroglobin (Ngb) is a cytosolic heme protein that plays an important role in protecting cells from apoptosis through interaction with oxidized cytochrome c (Cyt c) released from mitochondria. The interaction of reduced Ngb and oxidized Cyt c is accompanied by electron transfer between them and the reduction in Cyt c. Despite the growing number of studies on Ngb, the mechanism of interaction between Ngb and Cyt c is still unclear. Using Raman spectroscopy, we studied the effect of charged amino acid substitutions in Ngb and Cyt c on the conformation of their hemes. It has been shown that Ngb mutants E60K, K67E, K95E and E60K/E87K demonstrate changed heme conformations with the lower probability of the heme planar conformation compared to wild-type Ngb. Moreover, oxidized Cyt c mutants K25E, K72E and K25E/K72E demonstrate the decrease in the probability of methyl-radicals vibrations, indicating the higher rigidity of the protein microenvironment. It is possible that these changes can affect electron transfer between Ngb and Cyt c.
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Affiliation(s)
- Marina A. Semenova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
| | - Zhanna V. Bochkova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
- Biophysics Department, Biological Faculty, Lomonosov Moscow State University, Leninskie Gory, 1/12, 119899 Moscow, Russia;
| | - Olga M. Smirnova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
| | - Georgy V. Maksimov
- Biophysics Department, Biological Faculty, Lomonosov Moscow State University, Leninskie Gory, 1/12, 119899 Moscow, Russia;
| | - Mikhail P. Kirpichnikov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
- Biology Department, Lomonosov Moscow State University, Leninskie Gory, 1/12, 119899 Moscow, Russia
| | - Dmitry A. Dolgikh
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
- Biology Department, Lomonosov Moscow State University, Leninskie Gory, 1/12, 119899 Moscow, Russia
| | - Nadezda A. Brazhe
- Biophysics Department, Biological Faculty, Lomonosov Moscow State University, Leninskie Gory, 1/12, 119899 Moscow, Russia;
| | - Rita V. Chertkova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya St. 16/10, 117997 Moscow, Russia; (M.A.S.); (Z.V.B.); (O.M.S.); (M.P.K.); (D.A.D.)
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Semenova MA, Chertkova RV, Kirpichnikov MP, Dolgikh DA. Molecular Interactions between Neuroglobin and Cytochrome c: Possible Mechanisms of Antiapoptotic Defense in Neuronal Cells. Biomolecules 2023; 13:1233. [PMID: 37627298 PMCID: PMC10452090 DOI: 10.3390/biom13081233] [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: 06/22/2023] [Revised: 08/06/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
Neuroglobin, which is a heme protein from the globin family that is predominantly expressed in nervous tissue, can promote a neuronal survivor. However, the molecular mechanisms underlying the neuroprotective function of Ngb remain poorly understood to this day. The interactions between neuroglobin and mitochondrial cytochrome c may serve as at least one of the mechanisms of neuroglobin-mediated neuroprotection. Interestingly, neuroglobin and cytochrome c possibly can interact with or without electron transfer both in the cytoplasm and within the mitochondria. This review provides a general picture of molecular interactions between neuroglobin and cytochrome c based on the recent experimental and computational work on neuroglobin and cytochrome c interactions.
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Affiliation(s)
- Marina A. Semenova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho–Maklaya St. 16/10, 117997 Moscow, Russia
| | - Rita V. Chertkova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho–Maklaya St. 16/10, 117997 Moscow, Russia
| | - Mikhail P. Kirpichnikov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho–Maklaya St. 16/10, 117997 Moscow, Russia
- Biology Department, Lomonosov Moscow State University, Leninskie Gory, 119899 Moscow, Russia
| | - Dmitry A. Dolgikh
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho–Maklaya St. 16/10, 117997 Moscow, Russia
- Biology Department, Lomonosov Moscow State University, Leninskie Gory, 119899 Moscow, Russia
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3
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Barreto GE. Repurposing of Tibolone in Alzheimer's Disease. Biomolecules 2023; 13:1115. [PMID: 37509151 PMCID: PMC10377087 DOI: 10.3390/biom13071115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/05/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Alzheimer's disease (AD) is a debilitating neurodegenerative disease characterised by the accumulation of amyloid-beta and tau in the brain, leading to the progressive loss of memory and cognition. The causes of its pathogenesis are still not fully understood, but some risk factors, such as age, genetics, and hormones, may play a crucial role. Studies show that postmenopausal women have a higher risk of developing AD, possibly due to the decrease in hormone levels, especially oestrogen, which may be directly related to a reduction in the activity of oestrogen receptors, especially beta (ERβ), which favours a more hostile cellular environment, leading to mitochondrial dysfunction, mainly affecting key processes related to transport, metabolism, and oxidative phosphorylation. Given the influence of hormones on biological processes at the mitochondrial level, hormone therapies are of clinical interest to reduce the risk or delay the onset of symptoms associated with AD. One drug with such potential is tibolone, which is used in clinics to treat menopause-related symptoms. It can reduce amyloid burden and have benefits on mitochondrial integrity and dynamics. Many of its protective effects are mediated through steroid receptors and may also be related to neuroglobin, whose elevated levels have been shown to protect against neurological diseases. Its importance has increased exponentially due to its implication in the pathogenesis of AD. In this review, we discuss recent advances in tibolone, focusing on its mitochondrial-protective effects, and highlight how valuable this compound could be as a therapeutic alternative to mitigate the molecular pathways characteristic of AD.
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Affiliation(s)
- George E Barreto
- Department of Biological Sciences, University of Limerick, V94 T9PX Limerick, Ireland
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Zhang L, Li D, Yin L, Zhang C, Qu H, Xu J. Neuroglobin protects against cerebral ischemia/reperfusion injury in rats by suppressing mitochondrial dysfunction and endoplasmic reticulum stress-mediated neuronal apoptosis through synaptotagmin-1. ENVIRONMENTAL TOXICOLOGY 2023. [PMID: 37195900 DOI: 10.1002/tox.23815] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 03/22/2023] [Accepted: 04/16/2023] [Indexed: 05/19/2023]
Abstract
Cerebral ischemia/reperfusion (I/R) injury remains a grievous health threat, and herein effective therapy is urgently needed. This study explored the protection of neuroglobin (Ngb) in rats with cerebral I/R injury. The focal cerebral I/R rat models were established by middle cerebral artery occlusion (MCAO) and neuronal injury models were established by oxygen-glucose deprivation/reoxygenation (OGD/R) treatment. The brain injury of rats was assessed. Levels of Ngb, Bcl-2, Bax, endoplasmic reticulum stress (ERS)-related markers, and Syt1 were measured by immunofluorescence staining and Western blotting. The cytotoxicity in neurons was assessed by lactate dehydrogenase (LDH) release assay. Levels of intracellular Ca2+ and mitochondrial function-related indicators were determined. The binding between Ngb and Syt1 was detected by co-immunoprecipitation. Ngb was upregulated in cerebral I/R rats and its overexpression alleviated brain injury. In OGD/R-induced neurons, Ngb overexpression decreased LDH level and neuronal apoptosis, decreased Ca2+ content, and mitigated mitochondrial dysfunction and ERS-related apoptosis. However, Ngb silencing imposed the opposite effects. Importantly, Ngb could bind to Syt1. Syt1 knockdown partially counteracted the alleviation of Ngb on OGD/R-induced injury in neurons and cerebral I/R injury in rats. Briefly, Ngb extenuated cerebral I/R injury by repressing mitochondrial dysfunction and endoplasmic reticulum stress-mediated neuronal apoptosis through Syt1.
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Affiliation(s)
- Lihong Zhang
- Department of Neurointervention and Neurocritical Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian, China
| | - Di Li
- Department of Neurointervention and Neurocritical Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian, China
| | - Lin Yin
- Department of Neurology, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ce Zhang
- Director's Office, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong Qu
- Bidding and Procurement Office, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Jianping Xu
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhouy, China
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Yuan B, Long S, Wang H, Luo Q, Zeng K, Gao S, Lin Y. Surfactant-regulated acetylpyrene assemblies as fluorescent probes for identifying heme proteins in an aqueous solution. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2022.107802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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Zhang L, Wang C, Zhao M, Li X, Qu H, Xu J, Li D. Prognostic Values Serum Cav-1 and NGB Levels in Early Neurological Deterioration After Intravenous Thrombolysis in Patients with Acute Ischemic Stroke. Clin Appl Thromb Hemost 2023; 29:10760296231219707. [PMID: 38092682 PMCID: PMC10722930 DOI: 10.1177/10760296231219707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/15/2023] [Accepted: 11/24/2023] [Indexed: 12/17/2023] Open
Abstract
Early neurological deterioration after intravenous thrombolysis (IAT) leads to increased mortality and morbidity in patients with acute ischemic stroke (AIS). This study investigated the correlation between serum Cav-1 and NGB levels and END after IAT and explored their predictive values for poor prognosis of AIS. Totally 210 patients with AIS who underwent IAT within 4.5 h of onset were included and assigned into END group (n = 90) and Non-END group (n = 120). ELISA was used to detect serum Cav-1 and NGB levels before IAT in AIS patients. The prognosis of END patients after 3 months of treatment was evaluated using the modified Rankin Scale. Logistic multifactorial regression was used to analyze independent risk factors for END and poor prognosis after IAT. ROC curve was used to analyze the predictive effect of Cav-1 and NGB on END and poor prognosis after IAT. The area under the ROC curve was analyzed by MedCalc comparison. Compared with the Non-END group, serum Cav-1 was lower and NGB was higher in the END group. Cav-1 and NGB were independent risk factors for END after IAT. Cav-1 + NGB better predicted END after IAT than Cav-1 or NGB alone. Cav-1 and NGB were independent risk factors for END poor prognosis after IAT. Cav-1 combined with NGB better predicted poor prognosis of END after IAT than Cav-1 or NGB alone. Serum Cav-1 combined with NGB may assist in predicting the risk of END occurrence and poor prognosis after IAT in patients with AIS.
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Affiliation(s)
- Lihong Zhang
- Department of Neurointervention and Neurological Intensive Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian City, Liaoning Province, China
| | - Cui Wang
- Department of Neurology, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian City, Liaoning Province, China
| | - Manhong Zhao
- Department of Neurointervention and Neurological Intensive Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian City, Liaoning Province, China
| | - Xuesong Li
- Department of Radiology, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian City, Liaoning Province, China
| | - Hong Qu
- Bidding and Procurement Office, The Second Affiliated Hospital of Dalian Medical University, City, Liaoning Province, China
| | - Jianping Xu
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou City, Jiangsu Province, China
| | - Di Li
- Department of Neurointervention and Neurological Intensive Care, Dalian Central Hospital Affiliated to Dalian University of Technology, Dalian City, Liaoning Province, China
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Blanco S, Martínez-Lara E, Siles E, Peinado MÁ. New Strategies for Stroke Therapy: Nanoencapsulated Neuroglobin. Pharmaceutics 2022; 14:pharmaceutics14081737. [PMID: 36015363 PMCID: PMC9412405 DOI: 10.3390/pharmaceutics14081737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 01/12/2023] Open
Abstract
Stroke is a global health and socio-economic problem. However, no efficient preventive and/or palliative treatments have yet been found. Neuroglobin (Ngb) is an endogen neuroprotective protein, but it only exerts its beneficial action against stroke after increasing its basal levels. Therefore, its systemic administration appears to be an efficient therapy applicable to stroke and other neurodegenerative pathologies. Unfortunately, Ngb cannot cross the blood-brain barrier (BBB), making its direct pharmacological use unfeasible. Thus, the association of Ngb with a drug delivery system (DDS), such as nanoparticles (NPs), appears to be a good strategy for overcoming this handicap. NPs are a type of DDS which efficiently transport Ngb and increase its bioavailability in the infarcted area. Hence, we previously built hyaluronate NPS linked to Ngb (Ngb-NPs) as a therapeutic tool against stroke. This nanoformulation induced an improvement of the cerebral infarct prognosis. However, this innovative therapy is still in development, and a more in-depth study focusing on its long-lasting neuroprotectant and neuroregenerative capabilities is needed. In short, this review aims to update the state-of-the-art of stroke therapies based on Ngb, paying special attention to the use of nanotechnological drug-delivering tools.
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McGovern AJ, González J, Ramírez D, Barreto GE. Identification of HMGCR, PPGARG and prohibitin as potential druggable targets of dihydrotestosterone for treatment against traumatic brain injury using system pharmacology. Int Immunopharmacol 2022; 108:108721. [PMID: 35344815 DOI: 10.1016/j.intimp.2022.108721] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/11/2022] [Accepted: 03/18/2022] [Indexed: 02/07/2023]
Abstract
BACKGROUND Traumatic Brain Injury (TBI) has long-term devastating effects for which there is no accurate and effective treatment for inflammation and chronic oxidative stress. As a disease that affects multiple signalling pathways, the search for a drug with a broader spectrum of pharmacological action is of clinical interest. The fact that endocrine disruption (e.g hypogonadism) has been observed in TBI patients suggests that endogenous therapy with testosterone, or its more androgenic derivative, dihydrotestosterone (DHT), may attenuate, at least in part, the TBI-induced inflammation, but the underlying molecular mechanisms by which this occurs are still not completely clear. AIMS AND METHODS In this study, the main aim was to investigate proteins that may be related to the pathophysiological mechanism of TBI and also be pharmacological targets of DHT in order to explore a possible therapy with this androgen using network pharmacology. RESULTS AND CONCLUSIONS We identified 2.700 proteins related to TBI and 1.567 that are potentially molecular targets of DHT. Functional enrichment analysis showed that steroid (p-value: 2.1-22), lipid metabolism (p-value: 2.8-21) and apoptotic processes (p-value: 5.2-21) are mainly altered in TBI. Furthermore, being mitochondrion an organelle involved on these molecular processes we next identified that out of 32 mitochondrial-related proteins 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase (HMGCR), peroxisome proliferator activated receptor gamma (PPGARG) and prohibitin are those found highly regulated in the network and potential targets of DHT in TBI. In conclusion, the identification of these cellular nodes may prove to be essential as targets of DHT for therapy against post-TBI inflammation.
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Affiliation(s)
- Andrew J McGovern
- Department of Biological Sciences, University of Limerick, Limerick, Ireland
| | - Janneth González
- Departamento de Nutrición y Bioquímica, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - David Ramírez
- Departamento de Farmacología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - George E Barreto
- Department of Biological Sciences, University of Limerick, Limerick, Ireland.
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Evaluation of hsa-let-7d-5p, hsa-let-7g-5p and hsa-miR-15b-5p plasma levels in patients with Alzheimer's disease. Psychiatr Genet 2022; 32:25-29. [PMID: 34955516 DOI: 10.1097/ypg.0000000000000303] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) is a progressive neurodegenerative disorder MicroRNAs (miRNAs) may be promising diagnostic biomarkers for AD. Previous evidence shows that miR-15b-5p, hsa-let7g-5p and hsa-let7d-5p might confer potential blood biomarkers for timely diagnosis of AD. Therefore, in this replication study, we aimed to investigate the serum transcript level of these miRNAs to assess for their potential as diagnostic or prognostic biomarker in AD patients. METHODS Blood samples were obtained from 50 AD patients and 50 age- and sex-matched healthy individuals. Then, total RNA was extracted from serum samples, cDNA was synthesized, and the expression level of miRNAs was measured by the real-time PCR method. RESULTS The expression level of hsa-let7d-5p (fold change = 2.14, P = 0.007) and hsa-let7g-5p (fold change = 1.94; P = 0.013) was significantly increased in the AD patients compared to control individuals. However, the difference in the transcription of miR-15b-5p between the two groups was not statistically significant (fold change = 1.08; P = 0.76). The AROC for transcript levels of hsa-let-7d-5p was 0.68 (P = 0.014; 95% CI, 0.39-0.88) and it was 0.64 for hsa-let-7g-5p (P = 0.028; 95% CI, 0.27-0.89). The cut-off value for let-7d-5p had 0.82 sensitivity and 0.34 specificity. Moreover, the cut-off value for hsa-let-7g-5p indicated a 0.79 sensitivity and 0.28 specificity. CONCLUSION Our findings suggest the potential of measuring the transcript levels of hsa-let7d-5p and hsa-let7g-5p miRNAs as a diagnostic biomarker for AD.
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Peinado MÁ, Ovelleiro D, del Moral ML, Hernández R, Martínez-Lara E, Siles E, Pedrajas JR, García-Martín ML, Caro C, Peralta S, Morales ME, Ruiz MA, Blanco S. Biological Implications of a Stroke Therapy Based in Neuroglobin Hyaluronate Nanoparticles. Neuroprotective Role and Molecular Bases. Int J Mol Sci 2021; 23:247. [PMID: 35008673 PMCID: PMC8745106 DOI: 10.3390/ijms23010247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 12/11/2022] Open
Abstract
Exogenous neuroprotective protein neuroglobin (Ngb) cannot cross the blood-brain barrier. To overcome this difficulty, we synthesized hyaluronate nanoparticles (NPs), able to deliver Ngb into the brain in an animal model of stroke (MCAO). These NPs effectively reached neurons, and were microscopically identified after 24 h of reperfusion. Compared to MCAO non-treated animals, those treated with Ngb-NPs showed survival rates up to 50% higher, and better neurological scores. Tissue damage improved with the treatment, but no changes in the infarct volume or in the oxidative/nitrosative values were detected. A proteomics approach (p-value < 0.02; fold change = 0.05) in the infarcted areas showed a total of 219 proteins that significantly changed their expression after stroke and treatment with Ngb-NPs. Of special interest, are proteins such as FBXO7 and NTRK2, which were downexpressed in stroke, but overexpressed after treatment with Ngb-NPs; and ATX2L, which was overexpressed only under the effect of Ngb. Interestingly, the proteins affected by the treatment with Ngb were involved in mitochondrial function and cell death, endocytosis, protein metabolism, cytoskeletal remodeling, or synaptic function, and in regenerative processes, such as dendritogenesis, neuritogenesis, or sinaptogenesis. Consequently, our pharmaceutical preparation may open new therapeutic scopes for stroke and possibly for other neurodegenerative pathologies.
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Affiliation(s)
- María Ángeles Peinado
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - David Ovelleiro
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - María Luisa del Moral
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - Raquel Hernández
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - Esther Martínez-Lara
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - Eva Siles
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - José Rafael Pedrajas
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
| | - María Luisa García-Martín
- BIONAND-Centro Andaluz de Nanomedicina y Biotecnología, Junta de Andalucía, Universidad de Málaga, Parque Tecnológico de Andalucía, 29590 Malaga, Spain; (M.L.G.-M.); (C.C.)
| | - Carlos Caro
- BIONAND-Centro Andaluz de Nanomedicina y Biotecnología, Junta de Andalucía, Universidad de Málaga, Parque Tecnológico de Andalucía, 29590 Malaga, Spain; (M.L.G.-M.); (C.C.)
| | - Sebastián Peralta
- Department of Pharmacy and Pharmaceutical Technology, Campus de Cartuja s/n, School of Pharmacy, University of Granada, 18071 Granada, Spain; (S.P.); (M.E.M.); (M.A.R.)
| | - María Encarnación Morales
- Department of Pharmacy and Pharmaceutical Technology, Campus de Cartuja s/n, School of Pharmacy, University of Granada, 18071 Granada, Spain; (S.P.); (M.E.M.); (M.A.R.)
| | - María Adolfina Ruiz
- Department of Pharmacy and Pharmaceutical Technology, Campus de Cartuja s/n, School of Pharmacy, University of Granada, 18071 Granada, Spain; (S.P.); (M.E.M.); (M.A.R.)
| | - Santos Blanco
- Department of Experimental Biology, Campus de Las Lagunillas s/n, University of Jaén, Building B3, 23071 Jaen, Spain; (D.O.); (M.L.d.M.); (R.H.); (E.M.-L.); (E.S.); (J.R.P.)
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De Simone G, Sbardella D, Oddone F, Pesce A, Coletta M, Ascenzi P. Structural and (Pseudo-)Enzymatic Properties of Neuroglobin: Its Possible Role in Neuroprotection. Cells 2021; 10:cells10123366. [PMID: 34943874 PMCID: PMC8699588 DOI: 10.3390/cells10123366] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/20/2021] [Accepted: 11/23/2021] [Indexed: 12/17/2022] Open
Abstract
Neuroglobin (Ngb), the third member of the globin family, was discovered in human and murine brains in 2000. This monomeric globin is structurally similar to myoglobin (Mb) and hemoglobin (Hb) α and β subunits, but it hosts a bis-histidyl six-coordinated heme-Fe atom. Therefore, the heme-based reactivity of Ngb is modulated by the dissociation of the distal HisE7-heme-Fe bond, which reflects in turn the redox state of the cell. The high Ngb levels (~100–200 μM) present in the retinal ganglion cell layer and in the optic nerve facilitate the O2 buffer and delivery. In contrast, the very low levels of Ngb (~1 μM) in most tissues and organs support (pseudo-)enzymatic properties including NO/O2 metabolism, peroxynitrite and free radical scavenging, nitrite, hydroxylamine, hydrogen sulfide reduction, and the nitration of aromatic compounds. Here, structural and (pseudo-)enzymatic properties of Ngb, which are at the root of tissue and organ protection, are reviewed, envisaging a possible role in the protection from neuronal degeneration of the retina and the optic nerve.
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Affiliation(s)
- Giovanna De Simone
- Dipartimento di Scienze, Università Roma Tre, Viale Marconi 446, 00146 Roma, Italy;
| | | | | | - Alessandra Pesce
- Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16100 Genova, Italy;
| | - Massimo Coletta
- IRCCS Fondazione Bietti, 00198 Roma, Italy; (D.S.); (F.O.)
- Dipartmento di Scienze Cliniche e Medicina Traslazionale, Università di Roma “Tor Vergata”, Via Montpellier 1, 00133 Roma, Italy
- Correspondence: (M.C.); (P.A.); Tel.: +39-06-72596365 (M.C.); +39-06-57336321 (P.A.)
| | - Paolo Ascenzi
- Dipartimento di Scienze, Università Roma Tre, Viale Marconi 446, 00146 Roma, Italy;
- Accademia Nazionale dei Lincei, Via della Lungara 10, 00165 Roma, Italy
- Unità di Neuroendocrinologia, Metabolismo e Neurofarmacologia, IRCSS Fondazione Santa Lucia, 00179 Roma, Italy
- Correspondence: (M.C.); (P.A.); Tel.: +39-06-72596365 (M.C.); +39-06-57336321 (P.A.)
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Role of Neuroglobin in the Neuroprotective Actions of Estradiol and Estrogenic Compounds. Cells 2021; 10:cells10081907. [PMID: 34440676 PMCID: PMC8391807 DOI: 10.3390/cells10081907] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/24/2021] [Accepted: 07/26/2021] [Indexed: 12/17/2022] Open
Abstract
Estradiol exerts neuroprotective actions that are mediated by the regulation of a variety of signaling pathways and homeostatic molecules. Among these is neuroglobin, which is upregulated by estradiol and translocated to the mitochondria to sustain neuronal and glial cell adaptation to injury. In this paper, we will discuss the role of neuroglobin in the neuroprotective mechanisms elicited by estradiol acting on neurons, astrocytes and microglia. We will also consider the role of neuroglobin in the neuroprotective actions of clinically relevant synthetic steroids, such as tibolone. Finally, the possible contribution of the estrogenic regulation of neuroglobin to the generation of sex differences in brain pathology and the potential application of neuroglobin as therapy against neurological diseases will be examined.
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Costanzo M, Fiocchetti M, Ascenzi P, Marino M, Caterino M, Ruoppolo M. Proteomic and Bioinformatic Investigation of Altered Pathways in Neuroglobin-Deficient Breast Cancer Cells. Molecules 2021; 26:molecules26082397. [PMID: 33924212 PMCID: PMC8074618 DOI: 10.3390/molecules26082397] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/14/2021] [Accepted: 04/17/2021] [Indexed: 12/18/2022] Open
Abstract
Neuroglobin (NGB) is a myoglobin-like monomeric globin that is involved in several processes, displaying a pivotal redox-dependent protective role in neuronal and extra-neuronal cells. NGB remarkably exerts its function upon upregulation by NGB inducers, such as 17β-estradiol (E2) and H2O2. However, the molecular bases of NGB’s functions remain undefined, mainly in non-neuronal cancer cells. Human MCF-7 breast cancer cells with a knocked-out (KO) NGB gene obtained using CRISPR/Cas9 technology were analyzed using shotgun label-free quantitative proteomics in comparison with control cells. The differential proteomics experiments were also performed after treatment with E2, H2O2, and E2 + H2O2. All the runs acquired using liquid chromatography–tandem mass spectrometry were elaborated within the same MaxQuant analysis, leading to the quantification of 1872 proteins in the global proteomic dataset. Then, a differentially regulated protein dataset was obtained for each specific treatment. After the proteomic study, multiple bioinformatics analyses were performed to highlight unbalanced pathways and processes. Here, we report the proteomic and bioinformatic investigations concerning the effects on cellular processes of NGB deficiency and cell treatments. Globally, the main processes that were affected were related to the response to stress, cytoskeleton dynamics, apoptosis, and mitochondria-driven pathways.
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Affiliation(s)
- Michele Costanzo
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy;
- CEINGE—Biotecnologie Avanzate S.C.Ar.L., 80145 Naples, Italy
| | - Marco Fiocchetti
- Department of Science, University Roma Tre, 00146 Rome, Italy; (M.F.); (P.A.); (M.M.)
| | - Paolo Ascenzi
- Department of Science, University Roma Tre, 00146 Rome, Italy; (M.F.); (P.A.); (M.M.)
| | - Maria Marino
- Department of Science, University Roma Tre, 00146 Rome, Italy; (M.F.); (P.A.); (M.M.)
| | - Marianna Caterino
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy;
- CEINGE—Biotecnologie Avanzate S.C.Ar.L., 80145 Naples, Italy
- Correspondence: (M.C.); (M.R.)
| | - Margherita Ruoppolo
- Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, 80131 Naples, Italy;
- CEINGE—Biotecnologie Avanzate S.C.Ar.L., 80145 Naples, Italy
- Correspondence: (M.C.); (M.R.)
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