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Zhong Q, Lai S, He J, Zhong S, Song X, Wang Y, Zhang Y, Chen G, Yan S, Jia Y. Gender-related alterations of serum trace elements and neurometabolism in the anterior cingulate cortex of patients with major depressive disorder. J Affect Disord 2024; 360:176-187. [PMID: 38723680 DOI: 10.1016/j.jad.2024.05.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 04/08/2024] [Accepted: 05/06/2024] [Indexed: 06/04/2024]
Abstract
BACKGROUND It is widely known that sex differences have a significant impact on patients with major depressive disorder (MDD). This study aims to evaluate the sex-related connection between serum trace elements and changes in neurometabolism in the anterior cingulate cortex (ACC) of MDD patients. METHODS 109 untreated MDD patients and 59 healthy controls underwent proton magnetic resonance spectroscopy (1H-MRS) under resting conditions. We measured metabolic ratios in the ACC from both sides. Additionally, venous blood samples were taken from all participants to detect calcium (Ca), phosphorus, magnesium (Mg), copper (Cu), ceruloplasmin (CER), zinc (Zn), and iron (Fe) levels. We performed association and interaction analyses to explore the connections between the disease and gender. RESULTS In individuals with MDD, the Cu/Zn ratio increased, while the levels of Mg, CER, Zn and Fe decreased. Male MDD patients had lower Cu levels, while female patients had an increased Cu/Zn ratio. We observed significant gender differences in Cu, CER and the Cu/Zn ratio in MDD. Male patients showed a reduced N-acetyl aspartate (NAA)/phosphocreatine + creatine (PCr + Cr) ratio in the left ACC. The NAA/PCr + Cr ratio decreased in the right ACC in patients with MDD. In the left ACC of male MDD patients, the Cu/Zn ratio was inversely related to the NAA/PCr + Cr ratio, and Fe levels were negatively associated with the GPC + PC/PCr + Cr ratio. CONCLUSIONS Our findings highlight gender-specific changes in Cu homeostasis among male MDD patients. The Cu/Zn ratio and Fe levels in male MDD patients were significantly linked to neurometabolic alterations in the ACC.
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Affiliation(s)
- Qilin Zhong
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Shunkai Lai
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Jiali He
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Shuming Zhong
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China.
| | - Xiaodong Song
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Ying Wang
- Medical Imaging Center, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Yiliang Zhang
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Guanmao Chen
- Medical Imaging Center, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Shuya Yan
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Yanbin Jia
- Department of Psychiatry, First Affiliated Hospital, Jinan University, Guangzhou 510630, China.
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Hou X, Wei L, Liu J, Li S, Zhang J. Essential tremor is associated with reduced serum ceruloplasmin levels. Neurol Sci 2024; 45:3817-3822. [PMID: 38480645 DOI: 10.1007/s10072-024-07441-8] [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: 12/10/2023] [Accepted: 02/19/2024] [Indexed: 07/18/2024]
Abstract
BACKGROUND Essential tremor (ET), a prevalent movement disorder, has an elusive pathogenesis. A reduction in ceruloplasmin (Cp) levels can be found in some patients with ET. In addition, some studies have suggested an association between ET and neurodegeneration. As a ferroxidase, Cp is critical for iron metabolism, protecting against oxidative stress and neurodegeneration. Iron metabolism dysregulation, linked to ferroptosis, has implications in neurodegenerative diseases. Yet, research on Cp and ET remains limited. OBJECTIVES This study aims to elucidate the relationship between ET and serum Cp levels. METHODS We collected demographic and clinical data from 62 patients with ET satisfying the diagnostic criteria and compared these to data from 100 healthy controls. RESULTS The median Cp levels in ET patients were 21.5 (18.8, 23.9) mg/dL, significantly lower than those in controls (23.1 [(20.7, 25.7) mg/dL; P = 0.006]). A reduction in Cp levels emerged as a risk factor for ET incidence (odds ratio (OR) = 0.873, 95% confidence interval (CI), 0.795, 0.959; P = 0.005). The area under the receiver operating characteristic (ROC) curve for serum Cp levels to predict the onset of ET was 0.629 (95% CI, 0.537-0.720; P = 0.006), and the optimal cut-off value for Cp levels was 19.5 mg/dL with a sensitivity of 91% and a specificity of 33.9%. CONCLUSION Our analysis suggests that reduced Cp levels are associated with ET. We speculate that reduced Cp levels may be involved in the pathogenesis of ET, which requires further studies.
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Affiliation(s)
- Xiaotong Hou
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Liting Wei
- Department of Neurology, Luoyang Central Hospital: Luoyang Central Hospital Affiliated to Zhengzhou University, Luoyang, China
| | - Jinshun Liu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shibo Li
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jiwei Zhang
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
- Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, 1 Longhu Central Ring Road, Zhengzhou, 450003, China.
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Juvenal G, Meinerz C, Ayupe AC, Campos HC, Reis EM, Longo BM, Pillat MM, Ulrich H. Bradykinin promotes immune responses in differentiated embryonic neurospheres carrying APP swe and PS1 dE9 mutations. Cell Biosci 2024; 14:82. [PMID: 38890712 PMCID: PMC11184896 DOI: 10.1186/s13578-024-01251-3] [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: 02/07/2024] [Accepted: 05/24/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Neural progenitor cells (NPCs) can be cultivated from developing brains, reproducing many of the processes that occur during neural development. They can be isolated from a variety of animal models, such as transgenic mice carrying mutations in amyloid precursor protein (APP) and presenilin 1 and 2 (PSEN 1 and 2), characteristic of familial Alzheimer's disease (fAD). Modulating the development of these cells with inflammation-related peptides, such as bradykinin (BK) and its antagonist HOE-140, enables the understanding of the impact of such molecules in a relevant AD model. RESULTS We performed a global gene expression analysis on transgenic neurospheres treated with BK and HOE-140. To validate the microarray data, quantitative real-time reverse-transcription polymerase chain reaction (RT-PCR) was performed on 8 important genes related to the immune response in AD such as CCL12, CCL5, CCL3, C3, CX3CR1, TLR2 and TNF alpha and Iba-1. Furthermore, comparative analysis of the transcriptional profiles was performed between treatments, including gene ontology and reactome enrichment, construction and analysis of protein-protein interaction networks and, finally, comparison of our data with human dataset from AD patients. The treatments affected the expression levels of genes mainly related to microglia-mediated neuroinflammatory responses, with BK promoting an increase in the expression of genes that enrich processes, biological pathways, and cellular components related to immune dysfunction, neurodegeneration and cell cycle. B2 receptor inhibition by HOE-140 resulted in the reduction of AD-related anomalies caused in this system. CONCLUSIONS BK is an important immunomodulatory agent and enhances the immunological changes identified in transgenic neurospheres carrying the genetic load of AD. Bradykinin treatments modulate the expression rates of genes related to microglia-mediated neuroinflammation. Inhibiting bradykinin activity in Alzheimer's disease may slow disease progression.
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Affiliation(s)
- Guilherme Juvenal
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, 05508-900, Brazil
| | - Carine Meinerz
- Department of Microbiology and Parasitology, Health Sciences Center, Federal University of Santa Maria, Santa Maria-RS, Brazil
| | - Ana Carolina Ayupe
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, 05508-900, Brazil
| | | | - Eduardo Moraes Reis
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, 05508-900, Brazil
| | | | - Micheli Mainardi Pillat
- Department of Microbiology and Parasitology, Health Sciences Center, Federal University of Santa Maria, Santa Maria-RS, Brazil.
| | - Henning Ulrich
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, 05508-900, Brazil.
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Rebersek M, Hribernik N, Markovic K, Markovic S, Valentinuzzi KU, Cemazar M, Zuliani T, Milacic R, Scancar J. Determination of copper and other trace elements in serum samples from patients with biliary tract cancers: prospective noninterventional nonrandomized clinical study protocol. Radiol Oncol 2024; 58:300-310. [PMID: 38553250 PMCID: PMC11165979 DOI: 10.2478/raon-2024-0026] [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: 02/18/2024] [Accepted: 03/09/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND Biliary tract cancers (BTCs) are usually diagnosed at an advanced stage, when the disease is incurable. Currently used tumor biomarkers have limited diagnostic value for BTCs, so there is an urgent need for sensitive and specific biomarkers for their earlier diagnosis. Deregulation of the homeostasis of trace elements is involved in the carcinogenesis of different cancers, including BTCs. The objective of the study is to determine/compare the total concentrations of copper (Cu), zinc (Zn) and iron (Fe) and the proportions of free Cu and Cu bound to ceruloplasmin (Cp) and the isotopic ratio of 65Cu/63Cu in serum samples from healthy volunteers and cancer patients using inductively coupled plasma-mass spectrometry-based methods (ICP-MS). PATIENTS AND METHODS In this prospective, noninterventional, nonrandomized study 20 patients and 20 healthy volunteers will be enrolled to identify serum Cu, Zn and Fe levels, Cu isotopic fractionation as a predictive biomarker of response to systemic therapy of BTCs, which will be evaluated by computed tomography. Newly developed analytical methods based on ICP-MS will be applied to metal-based biomarker research in oncology. CONCLUSIONS In the study the comparison of the total concentration of selected trace elements, the proportion of free Cu and Cu bound to Cp and the isotopic ratio of 65Cu/63Cu in serum samples from healthy volunteers and cancer patients will be conducted to provide the foundation for the development of a BTC cancer screening methodology and the data on their usability as a potential predictive biomarker for BTCs of response to systemic therapy.
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Affiliation(s)
- Martina Rebersek
- Department of Medical Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Nezka Hribernik
- Department of Medical Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | | | | | - Katja Ursic Valentinuzzi
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Maja Cemazar
- Department of Experimental Oncology, Institute of Oncology Ljubljana, Ljubljana, Slovenia
- Faculty of Health Sciences, University of Primorska, Izola, Slovenia
| | - Tea Zuliani
- Jožef Stefan Institute, Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Radmila Milacic
- Jožef Stefan Institute, Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Janez Scancar
- Jožef Stefan Institute, Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, Ljubljana, Slovenia
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Jia F, Han J. COVID-19 related neurological manifestations in Parkinson's disease: has ferroptosis been a suspect? Cell Death Discov 2024; 10:146. [PMID: 38503730 PMCID: PMC10951317 DOI: 10.1038/s41420-024-01915-6] [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: 06/06/2023] [Revised: 03/12/2024] [Accepted: 03/14/2024] [Indexed: 03/21/2024] Open
Abstract
A rising number of patient cases point to a probable link between SARS-CoV-2 infection and Parkinson's disease (PD), yet the mechanisms by which SARS-CoV-2 affects the brain and generates neuropsychiatric symptoms in COVID-19 patients remain unknown. Ferroptosis, a distinct iron-dependent non-apoptotic type of cell death characterized by lipid peroxidation and glutathione depletion, a key factor in neurological disorders. Ferroptosis may have a pathogenic role in COVID-19, according to recent findings, however its potential contributions to COVID-19-related PD have not yet been investigated. This review covers potential paths for SARS-CoV-2 infection of the brain. Among these putative processes, ferroptosis may contribute to the etiology of COVID-19-associated PD, potentially providing therapeutic methods.
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Affiliation(s)
- Fengju Jia
- School of Nursing, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China.
| | - Jing Han
- School of Nursing, Qingdao University, No. 308 Ningxia Road, Qingdao, 266071, China
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Mannella V, Chaabane L, Canu T, Zanardi A, Raia S, Conti A, Ferrini B, Caricasole A, Musco G, Alessio M. Lipid dysmetabolism in ceruloplasmin-deficient mice revealed both in vivo and ex vivo by MRI, MRS and NMR analyses. FEBS Open Bio 2024; 14:258-275. [PMID: 37986139 PMCID: PMC10839333 DOI: 10.1002/2211-5463.13740] [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: 10/27/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023] Open
Abstract
Ceruloplasmin (Cp) is a ferroxidase that plays a role in cellular iron homeostasis and is mainly expressed in the liver and secreted into the blood. Cp is also produced by adipose tissue, which releases it as an adipokine. Although a dysfunctional interaction of iron with the metabolism of lipids has been associated with several metabolic diseases, the role of Cp in adipose tissue metabolism and in the interplay between hepatocytes and adipocytes has been poorly investigated. We previously found that Cp-deficient (CpKO) mice become overweight and demonstrate adipose tissue accumulation together with liver steatosis during aging, suggestive of lipid dysmetabolism. In the present study, we investigated the lipid alterations which occur during aging in adipose tissue and liver of CpKO and wild-type mice both in vivo and ex vivo. During aging of CpKO mice, we observed adipose tissue accumulation and liver lipid deposition, both of which are associated with macrophage infiltration. Liver lipid deposition was characterized by accumulation of triglycerides, fatty acids and ω-3 fatty acids, as well as by a switch from unsaturated to saturated fatty acids, which is characteristic of lipid storage. Liver steatosis was preceded by iron deposition and macrophage infiltration, and this was observed to be already occurring in younger CpKO mice. The accumulation of ω-3 fatty acids, which can only be acquired through diet, was associated with body weight increase in CpKO mice despite food intake being equal to that of wild-type mice, thus underlining the alterations in lipid metabolism/catabolism in Cp-deficient animals.
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Affiliation(s)
- Valeria Mannella
- COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
| | - Linda Chaabane
- Preclinical Imaging, Experimental Imaging CentreIRCCS‐San Raffaele HospitalMilanoItaly
- Present address:
LC, Euro‐BioImaging ERIC, Med‐Hub section, Institute of Biostructures and Bioimaging (IBB)Italian National Research Council (CNR)TorinoItaly
- Present address:
SR, Deloitte & Touche SpAMilanoItaly
| | - Tamara Canu
- Preclinical Imaging, Experimental Imaging CentreIRCCS‐San Raffaele HospitalMilanoItaly
| | - Alan Zanardi
- Proteome Biochemistry, COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
| | - Sara Raia
- Proteome Biochemistry, COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
- Present address:
LC, Euro‐BioImaging ERIC, Med‐Hub section, Institute of Biostructures and Bioimaging (IBB)Italian National Research Council (CNR)TorinoItaly
- Present address:
SR, Deloitte & Touche SpAMilanoItaly
| | - Antonio Conti
- Proteome Biochemistry, COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
| | - Barbara Ferrini
- Proteome Biochemistry, COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
| | - Andrea Caricasole
- Department of Research & Innovation, Kedrion S.p.A.Loc BolognanaGallicanoItaly
| | - Giovanna Musco
- Biomolecular Nuclear Magnetic Resonance, Division of Genetics and Cell BiologyIRCCS‐San Raffaele HospitalMilanoItaly
| | - Massimo Alessio
- Proteome Biochemistry, COSR‐Centre for Omics SciencesIRCCS‐San Raffaele HospitalMilanoItaly
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7
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Miao M, Han Y, Wang Y, Wang J, Zhu R, Yang Y, Fu N, Li N, Sun M, Zhang J. Dysregulation of iron homeostasis and ferroptosis in sevoflurane and isoflurane associated perioperative neurocognitive disorders. CNS Neurosci Ther 2024; 30:e14553. [PMID: 38334231 PMCID: PMC10853900 DOI: 10.1111/cns.14553] [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: 01/19/2023] [Revised: 11/06/2023] [Accepted: 11/22/2023] [Indexed: 02/10/2024] Open
Abstract
In recent years, sevoflurane and isoflurane are the most popular anesthetics in general anesthesia for their safe, rapid onset, and well tolerant. Nevertheless, many studies reported their neurotoxicity among pediatric and aged populations. This effect is usually manifested as cognitive impairment such as perioperative neurocognitive disorders. The wide application of sevoflurane and isoflurane during general anesthesia makes their safety a major health concern. Evidence indicates that iron dyshomeostasis and ferroptosis may establish a role in neurotoxicity of sevoflurane and isoflurane. However, the mechanisms of sevoflurane- and isoflurane-induced neuronal injury were not fully understood, which poses a barrier to the treatment of its neurotoxicity. We, therefore, reviewed the current knowledge on mechanisms of iron dyshomeostasis and ferroptosis and aimed to promote a better understanding of their roles in sevoflurane- and isoflurane-induced neurotoxicity.
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Affiliation(s)
- Mengrong Miao
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Yaqian Han
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Yangyang Wang
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Jie Wang
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Ruilou Zhu
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Yitian Yang
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Ningning Fu
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Ningning Li
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Mingyang Sun
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
| | - Jiaqiang Zhang
- Department of Anesthesiology and Perioperative medicinePeople's Hospital of Zhengzhou University, Henan Provincial People's Hospital, People's Hospital of Henan UniversityZhengzhouHenan ProvinceChina
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Aguila-Rosas J, García-Martínez BA, Ríos C, Diaz-Ruiz A, Obeso JL, Quirino-Barreda CT, Ibarra IA, Guzmán-Vargas A, Lima E. Copper release by MOF-74(Cu): a novel pharmacological alternative to diseases with deficiency of a vital oligoelement. RSC Adv 2024; 14:855-862. [PMID: 38174271 PMCID: PMC10759266 DOI: 10.1039/d3ra07109j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
Copper deficiency can trigger various diseases such as Amyotrophic Lateral Sclerosis (ALS), Parkinson's disease (PD) and even compromise the development of living beings, as manifested in Menkes disease (MS). Thus, the regulated administration (controlled release) of copper represents an alternative to reduce neuronal deterioration and prevent disease progression. Therefore, we present, to the best of our knowledge, the first experimental in vitro investigation for the kinetics of copper release from MOF-74(Cu) and its distribution in vivo after oral administration in male Wistar rats. Taking advantage of the abundance and high periodicity of copper within the crystalline-nanostructured metal-organic framework material (MOF-74(Cu)), it was possible to control the release of copper due to the partial degradation of the material. Thus, we simultaneously corroborated a low accumulation of copper in the liver (the main detoxification organ) and a slight increase of copper in the brain (striatum and midbrain), demonstrating that MOF-74(Cu) is a promising pharmacological alternative (controlled copper source) to these diseases.
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Affiliation(s)
- Javier Aguila-Rosas
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán 04510 Ciudad de México Mexico
- Laboratorio de Farmacia Molecular y Liberación Controlada, Universidad Autónoma Metropolitana-Xochimilco Calzada del Hueso 1100, Col. Villa Quietud, C.P. 04960 CDMX Mexico
| | - Betzabeth A García-Martínez
- Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana-Xochimilco Calzada del Hueso 1100, Col. Villa Quietud, C.P. 04960 CDMX Mexico
- Neurociencias Básica, Instituto Nacional de Rehabilitación Calz. México Xochimilco 289, Col. Arenal de Guadalupe, C.P. 14389 CDMX Mexico
| | - Camilo Ríos
- Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana-Xochimilco Calzada del Hueso 1100, Col. Villa Quietud, C.P. 04960 CDMX Mexico
- Neurociencias Básica, Instituto Nacional de Rehabilitación Calz. México Xochimilco 289, Col. Arenal de Guadalupe, C.P. 14389 CDMX Mexico
| | - Araceli Diaz-Ruiz
- Dirección de Investigación, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez Insurgentes Sur 3877, La Fama, Tlalpan CP14269 CDMX Mexico
| | - Juan L Obeso
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán 04510 Ciudad de México Mexico
- Laboratorio Nacional de Ciencia, Tecnología y Gestión Integrada del Agua (LNAgua), Instituto Politécnico Nacional, CICATA U. Legaria Legaria 694 Irrigación, Miguel Hidalgo CDMX Mexico
| | - Carlos T Quirino-Barreda
- Laboratorio de Farmacia Molecular y Liberación Controlada, Universidad Autónoma Metropolitana-Xochimilco Calzada del Hueso 1100, Col. Villa Quietud, C.P. 04960 CDMX Mexico
| | - Ilich A Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán 04510 Ciudad de México Mexico
| | - Ariel Guzmán-Vargas
- Laboratorio de Investigación en Materiales Porosos, Catálisis Ambiental y Química Fina, Instituto Politécnico Nacional, ESIQIE-SEPI-DIQI UPALM Edif. 7 P.B. Zacatenco, GAM 07738 CDMX Mexico
| | - Enrique Lima
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán 04510 Ciudad de México Mexico
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Phochantachinda S, Chantong B, Reamtong O, Chatchaisak D. Protein profiling and assessment of amyloid beta levels in plasma in canine refractory epilepsy. Front Vet Sci 2023; 10:1258244. [PMID: 38192726 PMCID: PMC10772147 DOI: 10.3389/fvets.2023.1258244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/01/2023] [Indexed: 01/10/2024] Open
Abstract
Introduction The relationship between epilepsy and cognitive dysfunction has been investigated in canines, and memory impairment was prevalent in dogs with epilepsy. Additionally, canines with epilepsy have greater amyloid-β (Aβ) accumulation and neuronal degeneration than healthy controls. The present study investigated plasma Aβ42 levels and performed proteomic profiling in dogs with refractory epilepsy and healthy dogs. Methods In total, eight dogs, including four healthy dogs and four dogs with epilepsy, were included in the study. Blood samples were collected to analyze Aβ42 levels and perform proteomic profiling. Changes in the plasma proteomic profiles of dogs were determined by nano liquid chromatography tandem mass spectrometry. Results and discussion The plasma Aβ42 level was significantly higher in dogs with epilepsy (99 pg/mL) than in healthy dogs (5.9 pg/mL). In total, 155 proteins were identified, and of these, the expression of 40 proteins was altered in epilepsy. Among these proteins, which are linked to neurodegenerative diseases, 10 (25%) were downregulated in dogs with epilepsy, whereas 12 (30%) were upregulated. The expression of the acute phase proteins haptoglobin and α2-macroglobulin significantly differed between the groups. Complement factor H and ceruloplasmin were only detected in epilepsy dogs, suggesting that neuroinflammation plays a role in epileptic seizures. Gelsolin, which is involved in cellular processes and cytoskeletal organization, was only detected in healthy dogs. Gene Ontology annotation revealed that epilepsy can potentially interfere with biological processes, including cellular processes, localization, and responses to stimuli. Seizures compromised key molecular functions, including catalytic activity, molecular function regulation, and binding. Defense/immunity proteins were most significantly modified during the development of epilepsy. In Kyoto Encyclopedia of Genes and Genomes pathway analysis, complement and coagulation cascades were the most relevant signaling pathways affected by seizures. The findings suggested that haptoglobin, ceruloplasmin, α2-macroglobulin, complement factor H, and gelsolin play roles in canine epilepsy and Aβ levels based on proteomic profiling. These proteins could represent diagnostic biomarkers that, after clinical validation, could be used in veterinary practice as well as proteins relevant to disease response pathways. To determine the precise mechanisms underlying these relationships and their implications in canine epilepsy, additional research is required.
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Affiliation(s)
- Sataporn Phochantachinda
- Department of Clinical Sciences and Public Health, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand
| | - Boonrat Chantong
- Department of Pre-Clinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Duangthip Chatchaisak
- Department of Clinical Sciences and Public Health, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand
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Ying CC, Wang CS, Ren YK, Ding CW, Zhang YC, Wu J, Yang M, Zhang Y, Mao P, Sheng YJ, Chen XF, Mao CJ, Liu CF. Correlation Between Substantia Nigra Hyperechogenicity and Iron Metabolism in the Postural Instability Gait Difficulty Subtype of Parkinson's Disease. ULTRASOUND IN MEDICINE & BIOLOGY 2023; 49:2422-2427. [PMID: 37666708 DOI: 10.1016/j.ultrasmedbio.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 07/16/2023] [Accepted: 08/10/2023] [Indexed: 09/06/2023]
Abstract
OBJECTIVE The correlation between substantia nigra (SN) hyperechogenicity on transcranial sonography (TCS) and serum iron metabolism parameters in patients with the postural instability gait difficulty (PIGD) subtype of Parkinson's disease (PD) was investigated so as to explore the pathological mechanism of SN hyperechogenicity. METHODS The study enrolled 95 PIGD patients recruited by the Parkinson's Disease Specialty in the Second Affiliated Hospital of Soochow University during June 2019-2021. On the basis of the TCS results, the PIGD patients were assigned to the PD with SN hyperechogenicity (SN+) group (n = 60) and PD without SN hyperechogenicity (SN-) group (n = 35). Meanwhile, 49 sex- and age-matched healthy individuals were included in the control group. All participants underwent blood tests. Differences in the iron metabolism parameters among the three groups and the correlation between SN hyperechogenicity and serum iron metabolism parameters were analyzed. RESULTS Serum ferritin, ceruloplasmin and transferrin levels were lower in the SN+ and SN- groups than in the control group (all p values <0.001). The serum ceruloplasmin level was lower in the SN+ group (0.23 [0.20, 0.25] g/L) than in the SN- group (0.25 [0.22, 0.29] g/L) (p = 0.001), and the proportion of patients with an abnormal ceruloplasmin level was higher in the SN+ group than in the SN- group (43.3% [26/60] vs. 14.3% [5/35], χ2 = 8.484, p = 0.004). Moreover, the SN hyperechogenicity area was negatively correlated with the serum transferrin level (r = -0.428, p < 0.001). CONCLUSION Decreased serum ceruloplasmin levels may be associated with SN hyperechogenicity development in PIGD patients. The SN hyperechogenicity area is negatively correlated with the serum transferrin level.
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Affiliation(s)
- Chen Chu Ying
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cai Shan Wang
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ya Kun Ren
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Chang Wei Ding
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ying Chun Zhang
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China.
| | - Jian Wu
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Min Yang
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Ying Zhang
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Pan Mao
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yu Jing Sheng
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiao Fang Chen
- Department of Ultrasound, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cheng Jie Mao
- Department of Neurology and Clinical Research Center of Neurological Disease, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Chun Feng Liu
- Department of Neurology and Clinical Research Center of Neurological Disease, Second Affiliated Hospital of Soochow University, Suzhou, China
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11
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Ding XS, Gao L, Han Z, Eleuteri S, Shi W, Shen Y, Song ZY, Su M, Yang Q, Qu Y, Simon DK, Wang XL, Wang B. Ferroptosis in Parkinson's disease: Molecular mechanisms and therapeutic potential. Ageing Res Rev 2023; 91:102077. [PMID: 37742785 DOI: 10.1016/j.arr.2023.102077] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/26/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Parkinson's Disease (PD) is characterized by the progressive loss of dopaminergic neurons in the substantia nigra (SN), leading to motor and non-motor symptoms. While the exact mechanisms remain complex and multifaceted, several molecular pathways have been implicated in PD pathology, including accumulation of misfolded proteins, impaired mitochondrial function, oxidative stress, inflammation, elevated iron levels, etc. Overall, PD's molecular mechanisms involve a complex interplay between genetic, environmental, and cellular factors that disrupt cellular homeostasis, and ultimately lead to the degeneration of dopaminergic neurons. Recently, emerging evidence highlights ferroptosis, an iron-dependent non-apoptotic cell death process, as a pivotal player in the advancement of PD. Notably, oligomeric α-synuclein (α-syn) generates reactive oxygen species (ROS) and lipid peroxides within cellular membranes, potentially triggering ferroptosis. The loss of dopamine, a hallmark of PD, could predispose neurons to ferroptotic vulnerability. This unique form of cell demise unveils fresh insights into PD pathogenesis, necessitating an exploration of the molecular intricacies connecting ferroptosis and PD progression. In this review, the molecular and regulatory mechanisms of ferroptosis and their connection with the pathological processes of PD have been systematically summarized. Furthermore, the features of ferroptosis in PD animal models and clinical trials targeting ferroptosis as a therapeutic approach in PD patients' management are scrutinized.
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Affiliation(s)
- Xv-Shen Ding
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China; Basic Medicine School, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Li Gao
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Zheng Han
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Simona Eleuteri
- Department of Neurology, Beth Israel Deaconess Medical Center, 3 Blackfan Circle 628H, Boston, MA 02215, USA
| | - Wei Shi
- Department of Neurosurgery, PLA 960th hospital, JiNan, Shandong Province, 250031, China
| | - Yun Shen
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Zi-Yao Song
- Basic Medicine School, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Mingming Su
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Qian Yang
- Department of Experimental Surgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China
| | - Yan Qu
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China.
| | - David K Simon
- Department of Neurology, Beth Israel Deaconess Medical Center, 3 Blackfan Circle 628H, Boston, MA 02215, USA.
| | - Xue-Lian Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China.
| | - Bao Wang
- Department of Neurosurgery, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi Province, 710038, China.
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Chillon TS, Demircan K, Hackler J, Heller RA, Kaghazian P, Moghaddam A, Schomburg L. Combined copper and zinc deficiency is associated with reduced SARS-CoV-2 immunization response to BNT162b2 vaccination. Heliyon 2023; 9:e20919. [PMID: 37886755 PMCID: PMC10597833 DOI: 10.1016/j.heliyon.2023.e20919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 10/06/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
The essential trace elements copper, selenium and zinc are of relevance for immunity and immune response to vaccination. In this longitudinal study, adult healthcare workers (n = 126) received two doses of an mRNA vaccine (BNT162b2), and longitudinal serum samples were prepared. Vaccine-induced antibodies and their neutralizing activity were analyzed, and the trace elements copper, zinc, and selenium along with the copper transporter ceruloplasmin were measured. Subjects with combined deficiency of copper and zinc, i.e. both in the lowest tertiles at baseline, displayed particularly low antibody titers at three (Double Q1: 13 AU/mL vs. not double Q1: 29 AU/mL) and six (Double Q1: 200 AU/mL vs. not double Q1: 425 AU/mL) weeks after vaccination (p < 0.05). The results indicate the potential importance of an adequate trace element status of copper and zinc for raising a strong vaccine-induced SARS-CoV-2 antibody response, and highlights the importance of considering combined micronutrient insufficiencies, as single deficiencies may synergize.
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Affiliation(s)
- Thilo Samson Chillon
- Max Rubner Center for Cardiovascular Metabolic Renal Research (CMR), Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Hessische Straße 3-4, D-10115 Berlin, Germany
| | - Kamil Demircan
- Max Rubner Center for Cardiovascular Metabolic Renal Research (CMR), Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Hessische Straße 3-4, D-10115 Berlin, Germany
| | - Julian Hackler
- Max Rubner Center for Cardiovascular Metabolic Renal Research (CMR), Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Hessische Straße 3-4, D-10115 Berlin, Germany
| | - Raban A. Heller
- Max Rubner Center for Cardiovascular Metabolic Renal Research (CMR), Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Hessische Straße 3-4, D-10115 Berlin, Germany
- Bundeswehr Hospital Berlin, Clinic of Traumatology and Orthopaedics, D-10115 Berlin, Germany
| | - Peyman Kaghazian
- Orthopedic and Trauma Surgery, Frohsinnstraße 12, D-63739 Aschaffenburg, Germany
| | - Arash Moghaddam
- Orthopedic and Trauma Surgery, Frohsinnstraße 12, D-63739 Aschaffenburg, Germany
| | - Lutz Schomburg
- Max Rubner Center for Cardiovascular Metabolic Renal Research (CMR), Institute for Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Hessische Straße 3-4, D-10115 Berlin, Germany
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Engin KN, Harmancı Karagülle D, Durmaz Engin C, Kant M, Yaman A, Akış M, Özel Yıldız S, İşlekel H, Güner Akdoğan G, Söylev Bajin M. Is the clinical course of non-arteritic ischemic optic neuropathy associated with oxidative damage and the dynamics of the antioxidant response? Int Ophthalmol 2023; 43:2935-2945. [PMID: 37029212 DOI: 10.1007/s10792-023-02699-x] [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: 12/06/2021] [Accepted: 03/24/2023] [Indexed: 04/09/2023]
Abstract
PURPOSE Oxidative stress is known to be a decisive factor in the wide etiopathogenesis of optic neuropathy. This study aimed to comprehensively evaluate the interaction of optic neuropathy's clinical course with systemic oxidative damage and antioxidant response dynamics in a large series. METHODS This case-controlled clinical study included 33 non-arteritic anterior ischemic optic neuropathy (NAION) patients and 32 healthy individuals. Extensive systemic oxidation profiles were statistically compared between the two groups, and correlations between the clinical and biochemical data in the study group were analyzed. RESULTS Vitamin E and malondialdehyde (MDA) levels were significantly higher in the study group. Significant correlations were observed in the analyses between clinical findings and oxidative stress parameters. Correlations between vitamin E and intraocular pressure (IOP), between B12 and cup-to-disk ratio (c/d), between antioxidant glutathione and superoxide dismutase (SOD) enzyme systems, and between uric acid (UA) and age were found to be very significant. As significant correlations were found in either clinical and biochemical data or in oxidative stress parameters, correlations between vitamin E and cholesterol, MDA were found to be very significant. CONCLUSIONS This study not only supplies significant information regarding oxidative damage and antioxidant response in NAION, but also points out the specific interactions of neuromodulators, like vitamin E, in intracellular signaling pathways and regulation mechanisms. A better reading of these connections may help improve diagnosis, follow-ups and treatment criteria and strategies.
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Affiliation(s)
- Kaya Nusret Engin
- Department of Ophthalmology, Ümraniyemraniye Education and Research Hospital, Sağlık University, Elmalıkent Mh. Ümraniye, 34764, Istanbul, Turkey.
| | - Duygu Harmancı Karagülle
- Graduate School of Health Science, Department of Molecular Genetics, Dokuz Eylül University, Izmir, Turkey
| | - Ceren Durmaz Engin
- Faculty of Medicine, Department of Ophthalmology, Dokuz Eylül University, Izmir, Turkey
| | - Melis Kant
- Faculty of Medicine, Department of Biochemistry, Dokuz Eylül University, Izmir, Turkey
| | - Aylin Yaman
- Faculty of Medicine, Department of Ophthalmology, Dokuz Eylül University, Izmir, Turkey
| | - Merve Akış
- Faculty of Medicine, Department of Biochemistry, Dokuz Eylül University, Izmir, Turkey
| | - Sevda Özel Yıldız
- Istanbul Faculty of Medicine, Department of Biostatistics, Istanbul University, Istanbul, Turkey
| | - Hüray İşlekel
- Graduate School of Health Science, Department of Molecular Genetics, Dokuz Eylül University, Izmir, Turkey
- Faculty of Medicine, Department of Biochemistry, Dokuz Eylül University, Izmir, Turkey
| | - Gül Güner Akdoğan
- Department of Medical Biochemistry, School of Medicine, Izmir University of Economics, Izmir, Turkey
| | - Meltem Söylev Bajin
- Faculty of Medicine, Department of Ophthalmology, Dokuz Eylül University, Izmir, Turkey
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14
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Yang J, Ran K, Ma W, Chen L, Chen C, Zhang C, Ye H, Lu Y, Ran C. Degradation of amyloid beta species by multi-copper oxidases. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.02.547398. [PMID: 37461701 PMCID: PMC10350030 DOI: 10.1101/2023.07.02.547398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/24/2023]
Abstract
Reduction of the production of amyloid beta (Aβ) species has been intensively investigated as potential therapeutic approaches for Alzheimer's disease (AD). However, the degradation of Aβ species, another potential beneficial approach, has been far less explored. In this study, we discovered that ceruloplasmin (CP), an important multi-copper oxidase (MCO) in human blood, could degrade Aβ peptides. We also found that the presence of Vitamin C could enhance the degrading effect in a concentration-dependent manner. We then validated the CP-Aβ interaction using total internal reflection fluorescence (TIRF) microscopy, fluorescence photometer, and fluorescence polarization measurement. Based on the above discovery, we hypothesized that other MCOs had similar Aβ-degrading functions. Indeed, we found that other MCOs could induce Aβ degradation as well. Remarkably, we revealed that ascorbate oxidase (AO) had the strongest degrading effect among the tested MCOs. Using induced pluripotent stem (iPS) neuron cells, we observed that AO could rescue neuron toxicity which induced by Aβ oligomers. In addition, our electrophysiological analysis with brain slices suggested that AO could prevent an Ab-induced deficit in synaptic transmission in the hippocampus. To the best of our knowledge, our report is the first to demonstrate that MCOs have a degrading function for peptides/proteins. Further investigations are warranted to explore the possible benefits of MCOs for future AD treatment.
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Affiliation(s)
- Jing Yang
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129
- School of Engineering, China Pharmaceutical University, Nanjing, 210009, China
| | - Kathleen Ran
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129
| | - Wenzhe Ma
- Department of Systems Biology, Harvard Medical School, Boston, MA, United States
| | - Lucy Chen
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129
| | - Cindy Chen
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129
| | - Can Zhang
- Genetics and Aging Research Unit, McCance Center for Brain Health, MassGeneral Institute for Neurodegenerative Disease, Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
| | - Hui Ye
- Department of Biology, Loyola University Chicago, Chicago, IL, 60660
| | - Ying Lu
- Department of Systems Biology, Harvard Medical School, Boston, MA, United States
| | - Chongzhao Ran
- Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129
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15
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Wu J, Jia S, Xu B, Yao X, Shao J, Yao J, Cen D, Yao X. Bicyclol attenuates high fat diet-induced non-alcoholic fatty liver disease/non-alcoholic steatohepatitis through modulating multiple pathways in mice. Front Pharmacol 2023; 14:1157200. [PMID: 37007016 PMCID: PMC10063911 DOI: 10.3389/fphar.2023.1157200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 03/08/2023] [Indexed: 03/19/2023] Open
Abstract
Introduction: The pathological progression of non-alcoholic fatty liver disease (NAFLD) is driven by multiple factors, and non-alcoholic steatohepatitis (NASH) represents its progressive form. In our previous studies, we found that bicyclol had beneficial effects on NAFLD/ NASH. Here we aim to investigate the underlying molecular mechanisms of the bicyclol effect on NAFLD/NASH induced by high-fat diet (HFD) feeding.Methods: A mice model of NAFLD/NASH induced by HFD-feeding for 8 weeks was used. As a pretreatment, bicyclol (200 mg/kg) was given to mice by oral gavage twice daily. Hematoxylin and eosin (H&E) stains were processed to evaluate hepatic steatosis, and hepatic fibrous hyperplasia was assessed by Masson staining. Biochemistry analyses were used to measure serum aminotransferase, serum lipids, and lipids in liver tissues. Proteomics and bioinformatics analyses were performed to identify the signaling pathways and target proteins. Data are available via Proteome X change with identifier PXD040233. The real-time RT-PCR and Western blot analyses were performed to verify the proteomics data.Results: Bicyclol had a markedly protective effect against NAFLD/NASH by suppressing the increase of serum aminotransferase, hepatic lipid accumulation and alleviating histopathological changes in liver tissues. Proteomics analyses showed that bicyclol remarkably restored major pathways related to immunological responses and metabolic processes altered by HFD feeding. Consistent with our previous results, bicyclol significantly inhibited inflammation and oxidative stress pathway related indexes (SAA1, GSTM1 and GSTA1). Furthermore, the beneficial effects of bicyclol were closely associated with the signaling pathways of bile acid metabolism (NPC1, SLCOLA4 and UGT1A1), cytochrome P450-mediated metabolism (CYP2C54, CYP3A11 and CYP3A25), biological processes such as metal ion metabolism (Ceruloplasmin and Metallothionein-1), angiogenesis (ALDH1A1) and immunological responses (IFI204 and IFIT3).Discussion: These findings suggested that bicyclol is a potential preventive agent for NAFLD/NASH by targeting multiple mechanisms in future clinical investigations.
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Affiliation(s)
- Jingyi Wu
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Shu Jia
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Benghong Xu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology, Shenzhen Center for Disease Control and Prevention, Shengzhen, Guangdong, China
| | - Xiaokun Yao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Jingping Shao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Jianzuo Yao
- Department of Hepatobiliary and Pancreatic Surgery, Li Huili Hospital Affiliated to Ningbo University, Ningbo, China
| | - Danwei Cen
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
| | - Xiaomin Yao
- Faculty of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, China
- *Correspondence: Xiaomin Yao,
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The Role of Selected Trace Elements in Oxidoreductive Homeostasis in Patients with Thyroid Diseases. Int J Mol Sci 2023; 24:ijms24054840. [PMID: 36902266 PMCID: PMC10003705 DOI: 10.3390/ijms24054840] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
Impaired levels of selenium (Se), zinc (Zn), copper (Cu), iron (Fe), manganese (Mn) and iodine (I) in the organism may adversely affect the thyroid endocrine system. These trace elements play a role in the fight against oxidative stress as components of enzymes. Oxidative-antioxidant imbalance is considered a possible factor in many pathological conditions, including various thyroid diseases. In the available literature, there are few scientific studies showing a direct correlation of the effect of supplementation of trace elements on slowing down or preventing the occurrence of thyroid diseases in combination with the improvement of the antioxidant profile, or through the action of these elements as antioxidants. Among the available studies, it has been shown that an increase in lipid peroxidation levels and a decrease in the overall antioxidant defense status occur during such thyroid diseases as thyroid cancer, Hashimoto's thyroiditis and dysthyroidism. In studies in which trace elements were supplemented, the following were observed: a decrease in the level of malondialdehyde after supplementation with Zn during hypothyroidism and reduction in the malondialdehyde level after Se supplementation with a simultaneous increase in the total activity status and activity of antioxidant defense enzymes in the course of autoimmune thyroiditis. This systematic review aimed to present the current state of knowledge about the relationship between trace elements and thyroid diseases in terms of oxidoreductive homeostasis.
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17
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Raia S, Conti A, Zanardi A, Ferrini B, Scotti GM, Gilberti E, De Palma G, David S, Alessio M. Ceruloplasmin-Deficient Mice Show Dysregulation of Lipid Metabolism in Liver and Adipose Tissue Reduced by a Protein Replacement. Int J Mol Sci 2023; 24:ijms24021150. [PMID: 36674661 PMCID: PMC9863737 DOI: 10.3390/ijms24021150] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/29/2022] [Accepted: 12/29/2022] [Indexed: 01/11/2023] Open
Abstract
Ceruloplasmin is a ferroxidase that plays a role in iron homeostasis; its deficiency fosters inter alia iron accumulation in the liver, which expresses the soluble form of the protein secreted into the bloodstream. Ceruloplasmin is also secreted by the adipose tissue, but its role in adipocytes has been poorly investigated. We hypothesized that ceruloplasmin might have a role in iron/lipid interplay. We investigated iron/lipid dysmetabolism in the liver and adipose tissue of the ceruloplasmin-deficient mouse (CpKO) model of aceruloplasminemia and evaluated the effectiveness of ceruloplasmin replacement. We found that CpKO mice were overweight, showing adipose tissue accumulation, liver iron deposition and steatosis. In the adipose tissue of CpKO mice, iron homeostasis was not altered. Conversely, the levels of adiponectin and leptin adipokines behaved opposite to the wild-type. Increased macrophage infiltration was observed in adipose tissue and liver of CpKO mice, indicating tissue inflammation. The treatment of CpKO mice with ceruloplasmin limited liver iron accumulation and steatosis without normalizing the expression of iron homeostasis-related proteins. In the CpKO mice, the protein replacement limited macrophage infiltration in both adipose and hepatic tissues reduced the level of serum triglycerides, and partially recovered adipokines levels in the adipose tissue. These results underline the link between iron and lipid dysmetabolism in ceruloplasmin-deficient mice, suggesting that ceruloplasmin in adipose tissue has an anti-inflammatory role rather than a role in iron homeostasis. Furthermore, these data also indicate that ceruloplasmin replacement therapy may be effective at a systemic level.
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Affiliation(s)
- Sara Raia
- Proteome Biochemistry, COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
| | - Antonio Conti
- Proteome Biochemistry, COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
| | - Alan Zanardi
- Proteome Biochemistry, COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
| | - Barbara Ferrini
- Proteome Biochemistry, COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
| | - Giulia Maria Scotti
- COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
| | - Enrica Gilberti
- Unit of Occupational Health and Industrial Hygiene, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, 25121 Brescia, Italy
| | - Giuseppe De Palma
- Unit of Occupational Health and Industrial Hygiene, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, 25121 Brescia, Italy
| | - Samuel David
- Center for Research in Neuroscience, The Research Institute of The McGill University Health Center, Montreal, QC H3G 1A4, Canada
| | - Massimo Alessio
- Proteome Biochemistry, COSR-Centre for Omics Sciences, IRCCS-San Raffaele Hospital, 20132 Milan, Italy
- Correspondence:
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18
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White AR. Ferroptosis drives immune-mediated neurodegeneration in multiple sclerosis. Cell Mol Immunol 2023; 20:112-113. [PMID: 36357520 PMCID: PMC9794716 DOI: 10.1038/s41423-022-00941-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Anthony R White
- Mental Health and Neuroscience, QIMR Berghofer Medical Research Institute, Herston, Qld, 4006, Australia.
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19
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Yu J, He Y, Yu X, Gu L, Wang Q, Wang S, Tao F, Sheng J. Associations Between Mild Cognitive Impairment and Whole Blood Zinc and Selenium in the Elderly Cohort. Biol Trace Elem Res 2023; 201:51-64. [PMID: 35113349 DOI: 10.1007/s12011-022-03136-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/24/2022] [Indexed: 01/11/2023]
Abstract
Some studies have shown that an imbalance in trace element homeostasis can lead to cognitive dysfunction, but data are lacking. The purpose of this study was to investigate the association between whole blood zinc (Zn), selenium (Se), copper-zinc ratio (Cu/Zn), copper-selenium ratio (Cu/Se), and zinc-selenium ratio (Zn/Se) and mild cognitive impairment (MCI) in elderly Chinese individuals. The study was based on the Elderly Health and Controlled Environmental Factors Cohort in Lu'an, Anhui Province, China, from June to September 2016. The cognitive function of the elderly was determined by the Mini-Mental State Examination (MMSE) and activities of daily living (ADL) scales. The concentrations of Zn, Cu, and Se in the whole blood were measured by inductively coupled plasma-mass spectrometry (ICP-MS). Binary logistic regression was used to analyze the associations between trace elements and MCI. A total of 1006 participants with an average age of 71.70 years old were included in this study. Compared with healthy people, MCI patients had higher whole blood Zn levels and lower Se levels, and Cu/Zn, Cu/Se, and Zn/Se were also significantly different. Binary logistic regression analysis showed that Zn, Cu/Se, and Zn/Se exposure in the third tertile was associated with an increased risk of MCI, while Se exposure in the third tertile was associated with a reduced risk of MCI. After adjustment for sex, age, marital status, BMI, and living status, whole blood Zn, Se, Cu/Zn, Cu/Se, and Zn/Se were significantly associated with MCI risk, especially in elderly women.
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Affiliation(s)
- Jinhui Yu
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Yu He
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Xuemin Yu
- School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Ling Gu
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
- Changzhou Center for Disease Control and Prevention, Changzhou, 213000, Jiangsu, China
| | - Qunan Wang
- School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Sufang Wang
- School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Fangbiao Tao
- School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China
- MOE Key Laboratory of Population Health Across Life Cycle/Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, 230032, Anhui, China
| | - Jie Sheng
- School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, China.
- MOE Key Laboratory of Population Health Across Life Cycle/Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei, 230032, Anhui, China.
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20
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Mhaske A, Sharma S, Shukla R. Nanotheranostic: The futuristic therapy for copper mediated neurological sequelae. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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21
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Yang H, Bao Y, Jin F, Jiang C, Wei Z, Liu Z, Xu Y. Ceruloplasmin inhibits the proliferation, migration and invasion of nasopharyngeal carcinoma cells and is negatively regulated by miR-543. NUCLEOSIDES, NUCLEOTIDES & NUCLEIC ACIDS 2022; 41:474-488. [PMID: 35306965 DOI: 10.1080/15257770.2022.2052314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Ceruloplasmin (CP), recognized as a member of multicopper oxidase family, is related to the progression of diverse cancers in human beings. This study is designed to clarify the expression characteristics, biological function and related mechanism of CP in nasopharyngeal carcinoma (NPC). METHODS CP expression in NPC tissues and cells was probed by quantitative real-time polymerase chain reaction (qRT-PCR), immunohistochemistry (IHC) and Western blot. After gain-of-function and loss-of-function models were established, cell counting kit-8 (CCK-8), Transwell and BrdU assays were employed to measure cell viability, migration and invasion. The targeting relationship between microRNA-543 (miR-543) and CP was verified by dual-luciferase reporter gene assay. RESULTS As against normal nasopharyngeal epithelial tissues, CP expression was significantly lower in NPC tissues, which was associated with higher clinical stage and the short overall survival time. Compared with the control group, CP overexpression markedly restrained the growth, migration and invasion of NPC cells; knocking down CP had the opposite effect. MiR-543 directly targeted CP and negatively modulated its expression. CONCLUSION CP restrains the growth, migration and invasion of NPC cells and is negatively regulated by miR-543.
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Affiliation(s)
- Hang Yang
- Department of Otolarynglogy, Jiangshan People's Hospital, Jiangshan, Zhejiang, China
| | - Yangyang Bao
- The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fenfen Jin
- Department of Otolarynglogy, Jiangshan People's Hospital, Jiangshan, Zhejiang, China
| | - Chonghan Jiang
- Department of Otolarynglogy, Jiangshan People's Hospital, Jiangshan, Zhejiang, China
| | - Zhanhui Wei
- Department of Otolaryngology, Traditional Chinese Medicine Hospital of Chunan County, Hangzhou, Zhejiang, China
| | - Zhenli Liu
- Department of Neurology, Traditional Chinese Medicine Hospital of Chunan County, Hangzhou, Zhejiang, China
| | - Yaping Xu
- The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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22
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Long HZ, Zhou ZW, Cheng Y, Luo HY, Li FJ, Xu SG, Gao LC. The Role of Microglia in Alzheimer’s Disease From the Perspective of Immune Inflammation and Iron Metabolism. Front Aging Neurosci 2022; 14:888989. [PMID: 35847685 PMCID: PMC9284275 DOI: 10.3389/fnagi.2022.888989] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/13/2022] [Indexed: 12/25/2022] Open
Abstract
Alzheimer’s disease (AD), the most common type of senile dementia, includes the complex pathogenesis of abnormal deposition of amyloid beta-protein (Aβ), phosphorylated tau (p-tau) and neuroimmune inflammatory. The neurodegenerative process of AD triggers microglial activation, and the overactivation of microglia produces a large number of neuroimmune inflammatory factors. Microglia dysfunction can lead to disturbances in iron metabolism and enhance iron-induced neuronal degeneration in AD, while elevated iron levels in brain areas affect microglia phenotype and function. In this manuscript, we firstly discuss the role of microglia in AD and then introduce the role of microglia in the immune-inflammatory pathology of AD. Their role in AD iron homeostasis is emphasized. Recent studies on microglia and ferroptosis in AD are also reviewed. It will help readers better understand the role of microglia in iron metabolism in AD, and provides a basis for better regulation of iron metabolism disorders in AD and the discovery of new potential therapeutic targets for AD.
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Affiliation(s)
- Hui-Zhi Long
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Zi-Wei Zhou
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Yan Cheng
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Hong-Yu Luo
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Feng-Jiao Li
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Shuo-Guo Xu
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Li-Chen Gao
- School of Pharmacy, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
- *Correspondence: Li-Chen Gao,
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23
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Jing XZ, Yuan XZ, Li GY, Chen JL, Wu R, Yang LL, Zhang SY, Wang XP, Li JQ. Increased Magnetic Susceptibility in the Deep Gray Matter Nuclei of Wilson's Disease: Have We Been Ignoring Atrophy? Front Neurosci 2022; 16:794375. [PMID: 35720701 PMCID: PMC9198485 DOI: 10.3389/fnins.2022.794375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 05/04/2022] [Indexed: 11/25/2022] Open
Abstract
Background Histopathological studies in Wilson's disease (WD) have revealed increased copper and iron concentrations in the deep gray matter nuclei. However, the commonly used mean bulk susceptibility only reflects the regional metal concentration rather than the total metal content, and regional atrophy may affect the assessment of mean bulk susceptibility. Our study aimed to quantitatively assess the changes of metal concentration and total metal content in deep gray matter nuclei by quantitative susceptibility mapping to distinguish patients with neurological and hepatic WD from healthy controls. Methods Quantitative susceptibility maps were obtained from 20 patients with neurological WD, 10 patients with hepatic WD, and 25 healthy controls on a 3T magnetic resonance imaging system. Mean bulk susceptibility, volumes, and total susceptibility of deep gray matter nuclei in different groups were compared using a linear regression model. The area under the curve (AUC) was calculated by receiver characteristic curve to analyze the diagnostic capability of mean bulk susceptibility and total susceptibility. Results Mean bulk susceptibility and total susceptibility of multiple deep gray matter nuclei in patients with WD were higher than those in healthy controls. Compared with patients with hepatic WD, patients with neurological WD had higher mean bulk susceptibility but similar total susceptibility in the head of the caudate nuclei, globus pallidus, and putamen. Mean bulk susceptibility of putamen demonstrated the best diagnostic capability for patients with neurological WD, the AUC was 1, and the sensitivity and specificity were all equal to 1. Total susceptibility of pontine tegmentum was most significant for the diagnosis of patients with hepatic WD, the AUC was 0.848, and the sensitivity and specificity were 0.7 and 0.96, respectively. Conclusion Brain atrophy may affect the assessment of mean bulk susceptibility in the deep gray matter nuclei of patients with WD, and total susceptibility should be an additional metric for total metal content assessment. Mean bulk susceptibility and total susceptibility of deep gray matter nuclei may be helpful for the early diagnosis of WD.
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Affiliation(s)
- Xiao-Zhong Jing
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiang-Zhen Yuan
- Department of Neurology, Weifang People's Hospital, Weifang, China
| | - Gai-Ying Li
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Jia-Lin Chen
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Rong Wu
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ling-Li Yang
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shu-Yun Zhang
- Department of Neurology, Weifang People's Hospital, Weifang, China
| | - Xiao-Ping Wang
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of Neurology, Jiading Branch of Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian-Qi Li
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
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24
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Biological Potential, Gastrointestinal Digestion, Absorption, and Bioavailability of Algae-Derived Compounds with Neuroprotective Activity: A Comprehensive Review. Mar Drugs 2022; 20:md20060362. [PMID: 35736165 PMCID: PMC9227170 DOI: 10.3390/md20060362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 12/04/2022] Open
Abstract
Currently, there is no known cure for neurodegenerative disease. However, the available therapies aim to manage some of the symptoms of the disease. Human neurodegenerative diseases are a heterogeneous group of illnesses characterized by progressive loss of neuronal cells and nervous system dysfunction related to several mechanisms such as protein aggregation, neuroinflammation, oxidative stress, and neurotransmission dysfunction. Neuroprotective compounds are essential in the prevention and management of neurodegenerative diseases. This review will focus on the neurodegeneration mechanisms and the compounds (proteins, polyunsaturated fatty acids (PUFAs), polysaccharides, carotenoids, phycobiliproteins, phenolic compounds, among others) present in seaweeds that have shown in vivo and in vitro neuroprotective activity. Additionally, it will cover the recent findings on the neuroprotective effects of bioactive compounds from macroalgae, with a focus on their biological potential and possible mechanism of action, including microbiota modulation. Furthermore, gastrointestinal digestion, absorption, and bioavailability will be discussed. Moreover, the clinical trials using seaweed-based drugs or extracts to treat neurodegenerative disorders will be presented, showing the real potential and limitations that a specific metabolite or extract may have as a new therapeutic agent considering the recent approval of a seaweed-based drug to treat Alzheimer’s disease.
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25
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Cerebral Iron Deposition in Neurodegeneration. Biomolecules 2022; 12:biom12050714. [PMID: 35625641 PMCID: PMC9138489 DOI: 10.3390/biom12050714] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/12/2022] [Accepted: 05/13/2022] [Indexed: 02/04/2023] Open
Abstract
Disruption of cerebral iron regulation appears to have a role in aging and in the pathogenesis of various neurodegenerative disorders. Possible unfavorable impacts of iron accumulation include reactive oxygen species generation, induction of ferroptosis, and acceleration of inflammatory changes. Whole-brain iron-sensitive magnetic resonance imaging (MRI) techniques allow the examination of macroscopic patterns of brain iron deposits in vivo, while modern analytical methods ex vivo enable the determination of metal-specific content inside individual cell-types, sometimes also within specific cellular compartments. The present review summarizes the whole brain, cellular, and subcellular patterns of iron accumulation in neurodegenerative diseases of genetic and sporadic origin. We also provide an update on mechanisms, biomarkers, and effects of brain iron accumulation in these disorders, focusing on recent publications. In Parkinson’s disease, Friedreich’s disease, and several disorders within the neurodegeneration with brain iron accumulation group, there is a focal siderosis, typically in regions with the most pronounced neuropathological changes. The second group of disorders including multiple sclerosis, Alzheimer’s disease, and amyotrophic lateral sclerosis shows iron accumulation in the globus pallidus, caudate, and putamen, and in specific cortical regions. Yet, other disorders such as aceruloplasminemia, neuroferritinopathy, or Wilson disease manifest with diffuse iron accumulation in the deep gray matter in a pattern comparable to or even more extensive than that observed during normal aging. On the microscopic level, brain iron deposits are present mostly in dystrophic microglia variably accompanied by iron-laden macrophages and in astrocytes, implicating a role of inflammatory changes and blood–brain barrier disturbance in iron accumulation. Options and potential benefits of iron reducing strategies in neurodegeneration are discussed. Future research investigating whether genetic predispositions play a role in brain Fe accumulation is necessary. If confirmed, the prevention of further brain Fe uptake in individuals at risk may be key for preventing neurodegenerative disorders.
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26
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Long HZ, Cheng Y, Zhou ZW, Luo HY, Wen DD, Gao LC. The key roles of organelles and ferroptosis in Alzheimer's disease. J Neurosci Res 2022; 100:1257-1280. [PMID: 35293012 DOI: 10.1002/jnr.25033] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 01/22/2022] [Accepted: 01/24/2022] [Indexed: 02/06/2023]
Abstract
Alzheimer's disease (AD), an age-related neurodegenerative disease, is a striking global health problem. Ferroptosis is a newly discovered form of cell death characterized by iron-dependent lipid peroxidation products and the accumulation of lethal reactive oxygen species. Strict regulation of iron metabolism is essential to ensure neuronal homeostasis. Excess and deficiency of iron are both associated with neurodegeneration. Studies have shown that oxidative stress caused by cerebral iron metabolism disorders in the body is involved in the process of AD, ferroptosis may play an important role in the pathogenesis of AD, and regulating ferroptosis is expected to be a new direction for the treatment of AD. Various organelles are closely related to ferroptosis: mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosome are involved in the regulation of ferroptosis from the aspects of iron metabolism and redox imbalance. In this review, the relationship between AD and the dysfunction of organelles (including mitochondria, endoplasmic reticulum, lysosome, and Golgi apparatus) and the role of organelles in ferroptosis of AD were reviewed to provide insights for understanding the relationship between organelles and ferroptosis in AD and the treatment of AD.
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Affiliation(s)
- Hui-Zhi Long
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Yan Cheng
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Zi-Wei Zhou
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Hong-Yu Luo
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Dan-Dan Wen
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
| | - Li-Chen Gao
- School of Pharmacy, Phase I Clinical Trial Centre, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China.,Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang, China
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27
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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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28
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Cognitive and Physical Intervention in Metals’ Dysfunction and Neurodegeneration. Brain Sci 2022; 12:brainsci12030345. [PMID: 35326301 PMCID: PMC8946530 DOI: 10.3390/brainsci12030345] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/20/2022] [Accepted: 02/23/2022] [Indexed: 02/05/2023] Open
Abstract
Metals—especially iron, copper and manganese—are important elements of brain functions and development. Metal-dysregulation homeostasis is associated with brain-structure damage to the motor, cognitive and emotional systems, and leads to neurodegenerative processes. There is more and more evidence that specialized cognitive and motor exercises can enhance brain function and attenuate neurodegeneration in mechanisms, such as improving neuroplasticity by altering the synaptic structure and function in many brain regions. Psychological and physical methods of rehabilitation are now becoming increasingly important, as pharmacological treatments for movement, cognitive and emotional symptoms are limited. The present study describes physical and cognitive rehabilitation methods of patients associated with metal-induced neurotoxicity such as Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis, Huntington’s disease and Wilson’s disease. In our review, we describe physical (e.g., virtual-reality environments, robotic-assists training) and psychological (cognitive training, cognitive stimulation, neuropsychological rehabilitation and cognitive-behavioral and mindfulness-based therapies) methods, significantly improving the quality of life and independence of patients associated with storage diseases. Storage diseases are a diverse group of hereditary metabolic defects characterized by the abnormal cumulation of storage material in cells. This topic is being addressed due to the fact that rehabilitation plays a vital role in the treatment of neurodegenerative diseases. Unfortunately so far there are no specific guidelines concerning physiotherapy in neurodegenerative disorders, especially in regards to duration of exercise, type of exercise and intensity, as well as frequency of exercise. This is in part due to the variety of symptoms of these diseases and the various levels of disease progression. This further proves the need for more research to be carried out on the role of exercise in neurodegenerative disorder treatment.
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29
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Niu L, Zhou Y, Lu L, Su A, Guo X. Ceruloplasmin Deficiency Impaired Brain Iron Metabolism and Behavior in Mice. Cell Biochem Biophys 2022; 80:385-393. [PMID: 35147903 DOI: 10.1007/s12013-022-01061-9] [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] [Accepted: 01/18/2022] [Indexed: 11/28/2022]
Abstract
Iron accumulation is an important cause of various brain diseases. As a ferroxidase, ceruloplasmin (Cp) plays a key role in iron homeostasis and its abnormal activity leads to iron accumulation. However, the detailed biological function of Cp in brain iron homeostasis needs to be investigated. In this study, Cp knockout mice were prepared and the changes in iron content and protein expression related to iron metabolism were detected. The results showed that iron accumulation occurred in multiple tissues and organs of Cp knockout mice, but there was no obvious change in brain tissues. However, Cp deficiency affected the expression of many iron metabolism-related proteins in midbrain, such as DMT1+IRE, heavy chain ferritin (H-ferritin) and light chain ferritin (L-ferritin). Cp deficiency also impaired the behavioral ability of mice, including weakened exercise ability and reduced motor coordination. In vitro cell experiment indicated that the sensitivity of Cp knockout neuron and astrocyte to hypoxia was higher than that of wild type, which means Cp deficiency leads to the damage of cell self-protection. All these results confirm that Cp exerts a protective effect on the brain by regulating iron metabolism.
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Affiliation(s)
- Lijing Niu
- Institute of Medicine, Hebei Provincial Center for Disease Control and Prevention, Shijiazhuang, China.
| | - Yi Zhou
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Li Lu
- Institute of Medicine, Hebei Provincial Center for Disease Control and Prevention, Shijiazhuang, China
| | - Aixia Su
- Department of Oncology, Hebei General Hospital, Shijiazhuang, China
| | - Xiaoqiang Guo
- Department of Sport Human Sciences, Hebei Sport University, Shijiazhuang, China. .,Xiaobei Medical Research Institute, Department of Physical Education, Shijiazhuang Vocational College of Technology, Shijiazhuang, China.
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30
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Liu Z, Wang M, Zhang C, Zhou S, Ji G. Molecular Functions of Ceruloplasmin in Metabolic Disease Pathology. Diabetes Metab Syndr Obes 2022; 15:695-711. [PMID: 35264864 PMCID: PMC8901420 DOI: 10.2147/dmso.s346648] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 02/04/2022] [Indexed: 12/12/2022] Open
Abstract
Ceruloplasmin (CP) is a multicopper oxidase and antioxidant that is mainly produced in the liver. CP not only plays a crucial role in the metabolic balance of copper and iron through its oxidase function but also exhibits antioxidant activity. In addition, CP is an acute-phase protein. In addition to being associated with aceruloplasminemia and neurodegenerative diseases such as Wilson's disease, Alzheimer's disease, and Parkinson's disease, CP also plays an important role in metabolic diseases, which are caused by metabolic disorders and vigorous metabolism, mainly including diabetes, obesity, hyperlipidemia, etc. Based on the physiological functions of CP, we provide an overview of the association of type 2 diabetes, obesity, hyperlipidemia, coronary heart disease, CP oxidative stress, inflammation, and metabolism of copper and iron. Studies have shown that metabolic diseases are closely related to systemic inflammation, oxidative stress, and disorders of copper and iron metabolism. Therefore, we conclude that CP, which can reduce the formation of free radicals in tissues, can be induced during inflammation and infection, and can correct the metabolic disorder of copper and iron, has protective and diagnostic effects on metabolic diseases.
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Affiliation(s)
- Zhidong Liu
- Department of Internal Medicine of Traditional Chinese Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, People’s Republic of China
| | - Miao Wang
- Department of Internal Medicine of Traditional Chinese Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, People’s Republic of China
| | - Chunbo Zhang
- School of Pharmacy, Nanchang University, Nanchang, Jiangxi, 330031, People’s Republic of China
| | - Shigao Zhou
- Department of Internal Medicine of Traditional Chinese Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, People’s Republic of China
| | - Guang Ji
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, People’s Republic of China
- Correspondence: Guang Ji, Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, People’s Republic of China, Tel +86 18156416071, Fax +86 21-64385700, Email
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31
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Xu WQ, Ni W, Wang RM, Dong Y, Wu ZY. A novel ceruloplasmin mutation identified in a Chinese patient and clinical spectrum of aceruloplasminemia patients. Metab Brain Dis 2021; 36:2273-2281. [PMID: 34347207 DOI: 10.1007/s11011-021-00799-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 07/07/2021] [Indexed: 12/19/2022]
Abstract
Aceruloplasminemia (ACP) is a rare disorder of iron overload resulting from ceruloplasmin (CP) variants. Because of its rarity and heterogeneity, the diagnosis of ACP is often missed or misdiagnosed. Here, we aim to present a clinical spectrum of ACP and raise more attention to the early diagnosis. Whole exome sequencing (WES) was performed in a Chinese female patient suspected with ACP and her clinical data were collected in detail. The PubMed databases was searched for published ACP patients within the last decade, and we present a systematic review of their clinical features with data extracted from these researches. A novel pathogenic variant (c.2689delC) and a known pathogenic variant (c.606dupA) within ceruloplasmin gene were identified in our patient and confirmed the diagnosis of ACP. Then we reviewed 51 ACP patients including the case we reported here. A possible timeline of symptoms was discovered, anemia appears first (29.7 years old on average), followed by diabetes (37.3 years old) and finally neurological symptoms (50.7 years old). The delay in diagnosis was significantly shortened in patients without neurological symptoms. Biochemical triad including anemia, low to undetectable serum ceruloplasmin, low serum iron and/or hyperferritinemia, showed better sensitivity in diagnosis than clinical triad including diabetes, neurological symptoms, and retinal degeneration. Due to the variable symptom spectrum, patients with ACP often visit different departments, which can lead to misdiagnosis. Clinical attention needs to be paid to symptoms and tests that have a warning effect. Prompt diagnosis in the early stage of the disease can be beneficial.
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Affiliation(s)
- Wan-Qing Xu
- Department of Neurology and Research Center of Neurology in Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 310009, China
| | - Wang Ni
- Department of Neurology and Research Center of Neurology in Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 310009, China
| | - Rou-Min Wang
- Department of Neurology and Research Center of Neurology in Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 310009, China
| | - Yi Dong
- Department of Neurology and Research Center of Neurology in Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 310009, China
| | - Zhi-Ying Wu
- Department of Neurology and Research Center of Neurology in Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, 88 Jiefang Rd, Hangzhou, 310009, China.
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Lin JZ, Duan MR, Lin N, Zhao WJ. The emerging role of the chondroitin sulfate proteoglycan family in neurodegenerative diseases. Rev Neurosci 2021; 32:737-750. [PMID: 33655733 DOI: 10.1515/revneuro-2020-0146] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/07/2021] [Indexed: 02/05/2023]
Abstract
Chondroitin sulfate (CS) is a kind of linear polysaccharide that is covalently linked to proteins to form proteoglycans. Chondroitin sulfate proteoglycans (CSPGs) consist of a core protein, with one or more CS chains covalently attached. CSPGs are precisely regulated and they exert a variety of physiological functions by binding to adhesion molecules and growth factors. Widely distributed in the nervous system in human body, CSPGs contribute to the major component of extracellular matrix (ECM), where they play an important role in the development and maturation of the nervous system, as well as in the pathophysiological response to damage to the central nervous system (CNS). While there are more than 30 types of CSPGs, this review covers the roles of the most important ones, including versican, aggrecan, neurocan and NG2 in the pathogenesis of neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis and multiple sclerosis. The updated reports of the treatment of neurodegenerative diseases are involving CSPGs.
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Affiliation(s)
- Jia-Zhe Lin
- Neurosurgical Department, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong, China
- Center for Neuroscience, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Ming-Rui Duan
- Center for Neuroscience, Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Nuan Lin
- Obstetrics and Gynecology Department, The First Affiliated Hospital of Shantou University Medical College, Shantou 515041, Guangdong, China
| | - Wei-Jiang Zhao
- Center for Neuroscience, Shantou University Medical College, Shantou 515041, Guangdong, China
- Cell Biology Department, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, Jiangsu, China
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Santiago González DA, Cheli VT, Rosenblum SL, Denaroso G, Paez PM. Ceruloplasmin deletion in myelinating glial cells induces myelin disruption and oxidative stress in the central and peripheral nervous systems. Redox Biol 2021; 46:102118. [PMID: 34474395 PMCID: PMC8408659 DOI: 10.1016/j.redox.2021.102118] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 01/09/2023] Open
Abstract
Ceruloplasmin (Cp) is a ferroxidase enzyme that is essential for cell iron efflux and has been postulated to have a neuroprotective role. During the myelination process, oligodendrocytes (OLs) and Schwann cells (SCs) express high levels of Cp, but the role of this enzyme in glial cell development and function is completely unknown. To define the function of Cp in the myelination of the central and peripheral nervous systems, we have conditionally knocked-out Cp specifically in OLs and SCs during early postnatal development as well as in aged mice. Cp ablation in early OLs (postnatal day 2, P2) significantly affects the differentiation of these cells and the synthesis of myelin through the first four postnatal weeks. The total number of mature myelinating OLs was reduced, and the density of apoptotic OLs was increased. These changes were accompanied with reductions in the percentage of myelinated axons and increases in the g-ratio of myelinated fibers. Cp ablation in young myelinating OLs (P30 or P60) did not affect myelin synthesis and/or OL numbers, however, Cp loss in aged OLs (8 months) induced cell iron overload, apoptotic cell death, brain oxidative stress, neurodegeneration and myelin disruption. Furthermore, Cp deletion in SCs affected postnatal SC development and myelination and produced motor coordination deficits as well as oxidative stress in young and aged peripheral nerves. Together, our data indicate that Cp ferroxidase activity is essential for OLs and SCs maturation during early postnatal development and iron homeostasis in matured myelinating cells. Additionally, our results suggest that Cp expression in myelinating glial cells is crucial to prevent oxidative stress and neurodegeneration in the central and peripheral nervous systems. Cp activity is essential for the development and function of myelinating glial cell. Cp ablation delays oligodendrocyte and Schwann cell maturation. Cp deletion interrupts the myelination of the central and peripheral nervous systems. Cp deletion in aged oligodendrocytes induces cell dead and brain oxidative stress.
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Affiliation(s)
- D A Santiago González
- Institute for Myelin and Glia Exploration, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, The State University of New York, University at Buffalo, Buffalo, NY, USA
| | - V T Cheli
- Institute for Myelin and Glia Exploration, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, The State University of New York, University at Buffalo, Buffalo, NY, USA
| | - S L Rosenblum
- Institute for Myelin and Glia Exploration, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, The State University of New York, University at Buffalo, Buffalo, NY, USA
| | - G Denaroso
- Institute for Myelin and Glia Exploration, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, The State University of New York, University at Buffalo, Buffalo, NY, USA
| | - P M Paez
- Institute for Myelin and Glia Exploration, Department of Pharmacology and Toxicology, Jacobs School of Medicine and Biomedical Sciences, The State University of New York, University at Buffalo, Buffalo, NY, USA.
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Wang Y, Jia Z, Lyu Y, Dong Q, Li S, Hu W. Multimodal magnetic resonance imaging analysis in the characteristics of Wilson's disease: A case report and literature review. Open Life Sci 2021; 16:793-799. [PMID: 34458581 PMCID: PMC8374231 DOI: 10.1515/biol-2021-0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 05/18/2021] [Accepted: 06/11/2021] [Indexed: 12/04/2022] Open
Abstract
Wilson’s disease (WD) is an inherited disorder of copper metabolism. Multimodal magnetic resonance imaging (MRI) has been reported to provide evidence of the extent and severity of brain lesions. However, there are few studies related to the diagnosis of WD with multimodal MRI. Here, we reported a WD patient who was subjected to Sanger sequencing, conventional MRI, and multimodal MRI examinations, including susceptibility-weighted imaging (SWI) and arterial spin labeling (ASL). Sanger sequencing demonstrated two pathogenic mutations in exon 8 of the ATP7B gene. Slit-lamp examination revealed the presence of Kayser–Fleischer rings in both eyes, as well as low serum ceruloplasmin and high 24-h urinary copper excretion on admission. Although the substantia nigra, red nucleus, and lenticular nucleus on T1-weighted imaging and T2-weighted imaging were normal, SWI and ASL showed hypointensities in these regions. Besides, decreased cerebral blood flow was found in the lenticular nucleus and the head of caudate nucleus. The patient recovered well after 1 year and 9 months of follow-up, with only a Unified Wilson Disease Rating Scale score of 1 for neurological symptom. Brain multimodal MRI provided a thorough insight into the WD, which might make up for the deficiency of conventional MRI.
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Affiliation(s)
- Yun Wang
- Department of Neurology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
| | - Zejin Jia
- Department of Neurology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
| | - Yuelei Lyu
- Department of Imaging, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
| | - Qian Dong
- Department of Neurology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
| | - Shujuan Li
- Department of Neurology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
| | - Wenli Hu
- Department of Neurology, Beijing Chao-Yang Hospital, Capital Medical University, No. 8 Gongtinan Road, Chaoyang District, Beijing 100020, China
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Tarnacka B, Jopowicz A, Maślińska M. Copper, Iron, and Manganese Toxicity in Neuropsychiatric Conditions. Int J Mol Sci 2021; 22:ijms22157820. [PMID: 34360586 PMCID: PMC8346158 DOI: 10.3390/ijms22157820] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/12/2021] [Accepted: 07/20/2021] [Indexed: 12/18/2022] Open
Abstract
Copper, manganese, and iron are vital elements required for the appropriate development and the general preservation of good health. Additionally, these essential metals play key roles in ensuring proper brain development and function. They also play vital roles in the central nervous system as significant cofactors for several enzymes, including the antioxidant enzyme superoxide dismutase (SOD) and other enzymes that take part in the creation and breakdown of neurotransmitters in the brain. An imbalance in the levels of these metals weakens the structural, regulatory, and catalytic roles of different enzymes, proteins, receptors, and transporters and is known to provoke the development of various neurological conditions through different mechanisms, such as via induction of oxidative stress, increased α-synuclein aggregation and fibril formation, and stimulation of microglial cells, thus resulting in inflammation and reduced production of metalloproteins. In the present review, the authors focus on neurological disorders with psychiatric signs associated with copper, iron, and manganese excess and the diagnosis and potential treatment of such disorders. In our review, we described diseases related to these metals, such as aceruloplasminaemia, neuroferritinopathy, pantothenate kinase-associated neurodegeneration (PKAN) and other very rare classical NBIA forms, manganism, attention-deficit/hyperactivity disorder (ADHD), ephedrone encephalopathy, HMNDYT1-SLC30A10 deficiency (HMNDYT1), HMNDYT2-SLC39A14 deficiency, CDG2N-SLC39A8 deficiency, hepatic encephalopathy, prion disease and “prion-like disease”, amyotrophic lateral sclerosis, Huntington’s disease, Friedreich’s ataxia, and depression.
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Affiliation(s)
- Beata Tarnacka
- Department of Rehabilitation Medicine, Faculty of Medicine, Warsaw Medical University, Spartańska 1, 02-637 Warsaw, Poland
- Correspondence: ; Tel.: +48-603944804
| | - Anna Jopowicz
- Department of Rehabilitation, Eleonora Reicher National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland;
| | - Maria Maślińska
- Department of Early Arthritis, Eleonora Reicher National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartańska 1, 02-637 Warsaw, Poland;
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Aibara N, Miyata Y, Araki K, Sagara Y, Mitsunari K, Matsuo T, Ohba K, Mochizuki Y, Sakai H, Ohyama K. Detection of Novel Urine Markers Using Immune Complexome Analysis in Bladder Cancer Patients: A Preliminary Study. In Vivo 2021; 35:2073-2080. [PMID: 34182482 DOI: 10.21873/invivo.12476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND/AIM Little is known on urine biomarkers that are associated with malignant behavior in patients with bladder cancer (BC). Our aim was to identify BC-related factors in urine samples using our original method "immune complexome analysis", based on detecting the immune complex (IC). PATIENTS AND METHODS Immune complexome analysis was performed using urine samples from 97 BC patients, including 67 with non-muscle invasive BC (NMIBC). RESULTS Eight IC-antigens were recognized as candidates for BC-related factors from 20,165 proteins. IC-serum albumin, -fibrinogen γ chain, -hemoglobin subunit α, -hemoglobin subunit β, -ceruloplasmin, and fibrinogen β chain were significantly associated with either pathological features and/or outcome. IC-ceruloplasmin was most widely associated with pathological features in all BC patients and lamina propria invasion and urinary tract recurrence in NMIBC. CONCLUSION Based on detection of IC-antigens it was demonstrated that six IC-antigens, especially IC-ceruloplasmin, are potential urine biomarkers in BC.
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Affiliation(s)
- Nozomi Aibara
- Department of Pharmacy Practice, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasuyoshi Miyata
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kyohei Araki
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuji Sagara
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kensuke Mitsunari
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Tomohiro Matsuo
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kojiro Ohba
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yasushi Mochizuki
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Hideki Sakai
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kaname Ohyama
- Department of Pharmacy Practice, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Noninvasive Analysis Using Data-Independent Acquisition Mass Spectrometry: New Epidermal Proteins That Reveal Sex Differences in the Aging Process. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021. [DOI: 10.1155/2021/8849328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The development of mass spectrometry has provided a method with extremely high sensitivity and selectivity that can be used to identify protein biomarkers. Epidermal proteins, lipids, and cornified envelopes are involved in the formation of the skin epidermal barrier. The epidermal protein composition changes with age. Therefore, quantitative proteomic changes may be indicative of skin aging. We sought to utilize data-independent acquisition mass spectrometry for noninvasive analysis of epidermal proteins in healthy Chinese individuals of different age groups and sexes. In our study, we completed high-throughput protein detection, analyzed protein differences with MaxQuant software, and performed statistical analyses of the proteome. We obtained interesting findings regarding ceruloplasmin (CP), which exhibited significant differences and is involved in ferroptosis, a signaling pathway significantly associated with aging. There were also several proteins that differed between sexes in the younger group, but the sex differences disappeared with aging. These proteins, which were associated with both aging processes and sex differences, are involved in signaling pathways such as apoptosis, oxidative stress, and genomic stability and can serve as candidate biomarkers for sex differences during aging. Our approach for noninvasive detection of epidermal proteins and its application to accurately quantify protein expression can provide ideas for future epidermal proteomics studies.
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Yuan XZ, Yang RM, Wang XP. Management Perspective of Wilson's Disease: Early Diagnosis and Individualized Therapy. Curr Neuropharmacol 2021; 19:465-485. [PMID: 32351182 PMCID: PMC8206458 DOI: 10.2174/1570159x18666200429233517] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/13/2020] [Accepted: 04/24/2020] [Indexed: 02/05/2023] Open
Abstract
Wilson's disease (WD) is an inherited disease caused by mutations in ATP7B and is characterized by the pathological accumulation of copper in the liver and brain. Common clinical manifestations of WD include a wide range of liver disease and neurological symptoms. In some patients, psychiatric symptoms may be the only manifestation at the time of diagnosis. The clinical features of WD are highly variable and can mimic any disease of internal medicine. Therefore, for unexplained medical diseases, the possibility of WD should not be ignored. Early diagnosis and treatment can improve the prognosis of WD patients and reduce disability and early death. Gene sequencing is becoming a valuable method to diagnose WD, and if possible, all WD patients and their siblings should be genetically sequenced. Copper chelators including D-penicillamine, trientine, and dimercaptosuccinic acid can significantly improve the liver injury and symptoms of WD patients but may have a limited effect on neurological symptoms. Zinc salts may be more appropriate for the treatment of asymptomatic patients or for the maintenance treatment of symptomatic patients. High-quality clinical trials for the drug treatment of WD are still lacking, therefore, individualized treatment options for patients are recommended. Individualized treatment can be determined based on the clinical features of the WD patients, efficacy and adverse effects of the drugs, and the experience of the physician. Liver transplantation is the only effective method to save patients with acute liver failure or with severe liver disease who fail drug treatment.
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Affiliation(s)
| | | | - Xiao-Ping Wang
- Address correspondence to this author at the Department of Neurology, TongRen Hospital, Shanghai Jiao Tong University School of Medicine, No.1111 Xianxia Road, 200336, Shanghai, China; Tel: +86-021-52039999-72223; Fax: +86-021-52039999-72223; E-mail:
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Chauhan PS, Yadav D, Koul B, Mohanta YK, Jin JO. Recent Advances in Nanotechnology: A Novel Therapeutic System for the Treatment of Alzheimer's Disease. Curr Drug Metab 2020; 21:1144-1151. [PMID: 33234100 DOI: 10.2174/1389200221666201124140518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 07/14/2020] [Accepted: 10/15/2020] [Indexed: 11/22/2022]
Abstract
A amyloid-β (Aβ) plaque formation in the brain is known to be the root cause of Alzheimer's disease (AD), which affects the behavior, memory, and cognitive ability in humans. The brain starts undergoing changes several years before the actual appearance of the symptoms. Nanotechnology could prove to be an alternative strategy for treating the disease effectively. It encompasses the diagnosis as well as the therapeutic aspect using validated biomarkers and nano-based drug delivery systems, respectively. A nano-based therapy may provide an alternate strategy, wherein one targets the protofibrillar amyloid-β (Aβ) structures, and this is followed by their disaggregation as random coils. Conventional/routine drug therapies are inefficient in crossing the blood-brain barrier; however, this hurdle can be overcome with the aid of nanoparticles. The present review highlights the various challenges in the diagnosis and treatment of AD. Meticulous and collaborative research using nanotherapeutic systems could provide remarkable breakthroughs in the early-stage diagnosis and therapy of AD.
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Affiliation(s)
- Pallavi Singh Chauhan
- Amity Institute of Biotechnology, Amity University Madhya Pradesh, Gwalior, 474005, India
| | - Dhananjay Yadav
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea
| | - Bhupendra Koul
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara-144411, Punjab, India
| | - Yugal Kishore Mohanta
- Biochemistry Laboratory, Department of Botany, North Orissa University Baripada- 757003, India
| | - Jun-O Jin
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, South Korea
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The Important Role of Perituberal Tissue in Epileptic Patients with Tuberous Sclerosis Complex by the Transcriptome Analysis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:4980609. [PMID: 33123575 PMCID: PMC7585662 DOI: 10.1155/2020/4980609] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 09/13/2020] [Accepted: 09/21/2020] [Indexed: 11/29/2022]
Abstract
Epilepsy is most common in patients with tuberous sclerosis complex (TSC). However, in addition to the challenging treatment, the pathogenesis of epilepsy is still controversial. To determine the transcriptome characteristics of perituberal tissue (PT) and clarify its role in the pathogenesis of epilepsy, GSE16969 was downloaded from the GEO database for further study by comprehensive bioinformatics analysis. Identification of differentially expressed genes (DEGs), functional enrichment analysis, construction of protein-protein interaction (PPI) network, and selection of Hub genes were performed using R language, Metascape, STRING, and Cytoscape, respectively. Comparing with cortical tuber (CT), 220 DEGs, including 95 upregulated and 125 downregulated genes, were identified in PT and mainly enriched in collagen-containing extracellular matrix and positive regulation of receptor-mediated endocytosis, as well as the pathways of ECM-receptor interaction and neuroactive ligand-receptor interaction. As for normal cortex (NC), 1549 DEGs, including 30 upregulated and 1519 downregulated genes, were identified and mainly enriched in presynapse, dendrite and axon, and also the pathways of dopaminergic synapse and oxytocin signaling pathway. In the PPI network, 4 hub modules were found between PT and CT, and top 5 hub modules were selected between PT and NC. C3, APLNR, ANXA2, CD44, CLU, CP, MCHR2, HTR1E, CTSG, APP, and GNG2 were identified as Hub genes, of which, C3, CD44, ANXA2, HTR1E, and APP were identified as Hub-BottleNeck genes. In conclusion, PT has the unique characteristics different from CT and NC in transcriptome and makes us further understand its importance in the TSC-associated epilepsy.
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Monette A, Mouland AJ. Zinc and Copper Ions Differentially Regulate Prion-Like Phase Separation Dynamics of Pan-Virus Nucleocapsid Biomolecular Condensates. Viruses 2020; 12:E1179. [PMID: 33081049 PMCID: PMC7589941 DOI: 10.3390/v12101179] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/05/2020] [Accepted: 10/12/2020] [Indexed: 02/08/2023] Open
Abstract
Liquid-liquid phase separation (LLPS) is a rapidly growing research focus due to numerous demonstrations that many cellular proteins phase-separate to form biomolecular condensates (BMCs) that nucleate membraneless organelles (MLOs). A growing repertoire of mechanisms supporting BMC formation, composition, dynamics, and functions are becoming elucidated. BMCs are now appreciated as required for several steps of gene regulation, while their deregulation promotes pathological aggregates, such as stress granules (SGs) and insoluble irreversible plaques that are hallmarks of neurodegenerative diseases. Treatment of BMC-related diseases will greatly benefit from identification of therapeutics preventing pathological aggregates while sparing BMCs required for cellular functions. Numerous viruses that block SG assembly also utilize or engineer BMCs for their replication. While BMC formation first depends on prion-like disordered protein domains (PrLDs), metal ion-controlled RNA-binding domains (RBDs) also orchestrate their formation. Virus replication and viral genomic RNA (vRNA) packaging dynamics involving nucleocapsid (NC) proteins and their orthologs rely on Zinc (Zn) availability, while virus morphology and infectivity are negatively influenced by excess Copper (Cu). While virus infections modify physiological metal homeostasis towards an increased copper to zinc ratio (Cu/Zn), how and why they do this remains elusive. Following our recent finding that pan-retroviruses employ Zn for NC-mediated LLPS for virus assembly, we present a pan-virus bioinformatics and literature meta-analysis study identifying metal-based mechanisms linking virus-induced BMCs to neurodegenerative disease processes. We discover that conserved degree and placement of PrLDs juxtaposing metal-regulated RBDs are associated with disease-causing prion-like proteins and are common features of viral proteins responsible for virus capsid assembly and structure. Virus infections both modulate gene expression of metalloproteins and interfere with metal homeostasis, representing an additional virus strategy impeding physiological and cellular antiviral responses. Our analyses reveal that metal-coordinated virus NC protein PrLDs initiate LLPS that nucleate pan-virus assembly and contribute to their persistence as cell-free infectious aerosol droplets. Virus aerosol droplets and insoluble neurological disease aggregates should be eliminated by physiological or environmental metals that outcompete PrLD-bound metals. While environmental metals can control virus spreading via aerosol droplets, therapeutic interference with metals or metalloproteins represent additional attractive avenues against pan-virus infection and virus-exacerbated neurological diseases.
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Affiliation(s)
- Anne Monette
- Lady Davis Institute at the Jewish General Hospital, Montréal, QC H3T 1E2, Canada
| | - Andrew J. Mouland
- Lady Davis Institute at the Jewish General Hospital, Montréal, QC H3T 1E2, Canada
- Department of Medicine, McGill University, Montréal, QC H4A 3J1, Canada
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Yuan XZ, Li GY, Chen JL, Li JQ, Wang XP. Paramagnetic Metal Accumulation in the Deep Gray Matter Nuclei Is Associated With Neurodegeneration in Wilson's Disease. Front Neurosci 2020; 14:573633. [PMID: 33041766 PMCID: PMC7525019 DOI: 10.3389/fnins.2020.573633] [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: 06/17/2020] [Accepted: 08/27/2020] [Indexed: 02/05/2023] Open
Abstract
Background Neuropathological studies have revealed copper and iron accumulation in the deep gray matter (DGM) nuclei of patients with Wilson’s disease (WD). However, the association between metal accumulation and neurodegeneration in WD has not been well studied in vivo. The study was aimed to investigate whether metal accumulation in the DGM was associated with the structural and functional changes of DGM in neurological WD patients. Methods Seventeen neurological WD patients and 20 healthy controls were recruited for the study. Mean bulk susceptibility values and volumes of DGM were obtained from quantitative susceptibility mapping (QSM). Regions of interest including the head of the caudate nucleus, globus pallidus, putamen, thalamus, substantia nigra, red nucleus, and dentate nucleus were manually segmented. The susceptibility values and volumes of DGM in different groups were compared using a linear regression model. Correlations between susceptibility values and volumes of DGM and Unified Wilson’s Disease Rating Scale (UWDRS) neurological subscores were investigated. Results The susceptibility values of all examined DGM in WD patients were higher than those in healthy controls (P < 0.05). Volume reductions were observed in the head of the caudate nucleus, globus pallidus, putamen, thalamus, and substantia nigra of WD patients (P < 0.001). Susceptibility values were negatively correlated with the volumes of the head of the caudate nucleus (rp = −0.657, P = 0.037), putamen (rp = −0.667, P = 0.037), and thalamus (rp = −0.613, P = 0.046) in WD patients. UWDRS neurological subscores were positively correlated with the susceptibility values of all examined DGM. The susceptibility values of putamen, head of the caudate nucleus, and dentate nucleus could well predict UWDRS neurological subscores. Conclusion Our study provided in vivo evidence that paramagnetic metal accumulation in the DGM was associated with DGM atrophy and neurological impairment. The susceptibility of DGM could be used as a biomarker to assess the severity of neurodegeneration in WD.
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Affiliation(s)
- Xiang-Zhen Yuan
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gai-Ying Li
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Jia-Lin Chen
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Jian-Qi Li
- Shanghai Key Laboratory of Magnetic Resonance, School of Physics and Electronic Science, East China Normal University, Shanghai, China
| | - Xiao-Ping Wang
- Department of Neurology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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D’Mello SR, Kindy MC. Overdosing on iron: Elevated iron and degenerative brain disorders. Exp Biol Med (Maywood) 2020; 245:1444-1473. [PMID: 32878460 PMCID: PMC7553095 DOI: 10.1177/1535370220953065] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
IMPACT STATEMENT Brain degenerative disorders, which include some neurodevelopmental disorders and age-associated diseases, cause debilitating neurological deficits and are generally fatal. A large body of emerging evidence indicates that iron accumulation in neurons within specific regions of the brain plays an important role in the pathogenesis of many of these disorders. Iron homeostasis is a highly complex and incompletely understood process involving a large number of regulatory molecules. Our review provides a description of what is known about how iron is obtained by the body and brain and how defects in the homeostatic processes could contribute to the development of brain diseases, focusing on Alzheimer's disease and Parkinson's disease as well as four other disorders belonging to a class of inherited conditions referred to as neurodegeneration based on iron accumulation (NBIA) disorders. A description of potential therapeutic approaches being tested for each of these different disorders is provided.
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Affiliation(s)
| | - Mark C Kindy
- Department of Pharmaceutical Sciences, College of Pharmacy, University of South Florida, Tampa, FL 33612, USA
- James A. Haley Veterans Affairs Medical Center, Tampa, FL 33612, USA
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Liang T, Qian ZM, Mu MD, Yung WH, Ke Y. Brain Hepcidin Suppresses Major Pathologies in Experimental Parkinsonism. iScience 2020; 23:101284. [PMID: 32623334 PMCID: PMC7334576 DOI: 10.1016/j.isci.2020.101284] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/26/2020] [Accepted: 06/15/2020] [Indexed: 02/07/2023] Open
Abstract
Despite intensive research on Parkinson disease (PD) for decades, this common neurodegenerative disease remains incurable. We hypothesize that abnormal iron accumulation is a common thread underlying the emergence of the hallmarks of PD, namely mitochondrial dysfunction and α-synuclein accumulation. We investigated the powerful action of the main iron regulator hepcidin in the brain. In both the rotenone and 6-hydroxydopamine models of PD, overexpression of hepcidin by means of a virus-based strategy prevented dopamine neuronal loss and suppressed major pathologies of Parkinsonism as well as motor deficits. Hepcidin protected rotenone-induced mitochondrial deficits by reducing cellular and mitochondrial iron accumulation. In addition, hepcidin decreased α-synuclein accumulation and promoted clearance of α-synuclein through decreasing iron content that leads to activation of autophagy. Our results not only pinpoint a critical role of iron-overload in the pathogenesis of PD but also demonstrate that targeting brain iron levels through hepcidin is a promising therapeutic direction.
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Affiliation(s)
- Tuo Liang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Zhong-Ming Qian
- Institute of Translational and Precision Medicine, Nantong University, Nantong 226001, China
| | - Ming-Dao Mu
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China; Gerald Choa Neuroscience Centre, The Chinese University of Hong Kong, Hong Kong, China
| | - Wing-Ho Yung
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China; Gerald Choa Neuroscience Centre, The Chinese University of Hong Kong, Hong Kong, China
| | - Ya Ke
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong, China; Gerald Choa Neuroscience Centre, The Chinese University of Hong Kong, Hong Kong, China.
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Hu LYR, Kontrogianni-Konstantopoulos A. Proteomic Analysis of Myocardia Containing the Obscurin R4344Q Mutation Linked to Hypertrophic Cardiomyopathy. Front Physiol 2020; 11:478. [PMID: 32528308 PMCID: PMC7247546 DOI: 10.3389/fphys.2020.00478] [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: 12/13/2019] [Accepted: 04/20/2020] [Indexed: 12/25/2022] Open
Abstract
Obscurin is a giant cytoskeletal protein with structural and regulatory roles encoded by the OBSCN gene. Recently, mutations in OBSCN were associated with the development of different forms of cardiomyopathies, including hypertrophic cardiomyopathy (HCM). We previously reported that homozygous mice carrying the HCM-linked R4344Q obscurin mutation develop arrhythmia by 1-year of age under sedentary conditions characterized by increased heart rate, frequent incidents of premature ventricular contractions, and episodes of spontaneous ventricular tachycardia. In an effort to delineate the molecular mechanisms that contribute to the observed arrhythmic phenotype, we subjected protein lysates prepared from left ventricles of 1-year old R4344Q and wild-type mice to comparative proteomics analysis using tandem mass spectrometry; raw data are available via ProteomeXchange with identifier PXD017314. We found that the expression levels of proteins involved in cardiac function and disease, cytoskeletal organization, electropotential regulation, molecular transport and metabolism were significantly altered. Moreover, phospho-proteomic evaluation revealed changes in the phosphorylation profile of Ca2+ cycling proteins, including sAnk1.5, a major binding partner of obscurin localized in the sarcoplasmic reticulum; notably, this is the first report indicating that sAnk1 undergoes phosphorylation. Taken together, our findings implicate obscurin in diverse cellular processes within the myocardium, which is consistent with its multiple binding partners, localization in different subcellular compartments, and disease association.
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Affiliation(s)
- Li-Yen R Hu
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States
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Hemokinin-1 Gene Expression Is Upregulated in Trigeminal Ganglia in an Inflammatory Orofacial Pain Model: Potential Role in Peripheral Sensitization. Int J Mol Sci 2020; 21:ijms21082938. [PMID: 32331300 PMCID: PMC7215309 DOI: 10.3390/ijms21082938] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/12/2020] [Accepted: 04/19/2020] [Indexed: 12/19/2022] Open
Abstract
A large percentage of primary sensory neurons in the trigeminal ganglia (TG) contain neuropeptides such as tachykinins or calcitonin gene-related peptide. Neuropeptides released from the central terminals of primary afferents sensitize the secondary nociceptive neurons in the trigeminal nucleus caudalis (TNC), but also activate glial cells contributing to neuroinflammation and consequent sensitization in chronic orofacial pain and migraine. In the present study, we investigated the newest member of the tachykinin family, hemokinin-1 (HK-1) encoded by the Tac4 gene in the trigeminal system. HK-1 had been shown to participate in inflammation and hyperalgesia in various models, but its role has not been investigated in orofacial pain or headache. In the complete Freund’s adjuvant (CFA)-induced inflammatory orofacial pain model, we showed that Tac4 expression increased in the TG in response to inflammation. Duration-dependent Tac4 upregulation was associated with the extent of the facial allodynia. Tac4 was detected in both TG neurons and satellite glial cells (SGC) by the ultrasensitive RNAscope in situ hybridization. We also compared gene expression changes of selected neuronal and glial sensitization and neuroinflammation markers between wild-type and Tac4-deficient (Tac4-/-) mice. Expression of the SGC/astrocyte marker in the TG and TNC was significantly lower in intact and saline/CFA-treated Tac4-/- mice. The procedural stress-related increase of the SGC/astrocyte marker was also strongly attenuated in Tac4-/- mice. Analysis of TG samples with a mouse neuroinflammation panel of 770 genes revealed that regulation of microglia and cytotoxic cell-related genes were significantly different in saline-treated Tac4-/- mice compared to their wild-types. It is concluded that HK-1 may participate in neuron-glia interactions both under physiological and inflammatory conditions and mediate pain in the trigeminal system.
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Vila Cuenca M, Marchi G, Barqué A, Esteban-Jurado C, Marchetto A, Giorgetti A, Chelban V, Houlden H, Wood NW, Piubelli C, Dorigatti Borges M, Martins de Albuquerque D, Yotsumoto Fertrin K, Jové-Buxeda E, Sanchez-Delgado J, Baena-Díez N, Burnyte B, Utkus A, Busti F, Kaubrys G, Suku E, Kowalczyk K, Karaszewski B, Porter JB, Pollard S, Eleftheriou P, Bignell P, Girelli D, Sanchez M. Genetic and Clinical Heterogeneity in Thirteen New Cases with Aceruloplasminemia. Atypical Anemia as a Clue for an Early Diagnosis. Int J Mol Sci 2020; 21:E2374. [PMID: 32235485 PMCID: PMC7178074 DOI: 10.3390/ijms21072374] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 03/26/2020] [Indexed: 12/11/2022] Open
Abstract
Aceruloplasminemia is a rare autosomal recessive genetic disease characterized by mild microcytic anemia, diabetes, retinopathy, liver disease, and progressive neurological symptoms due to iron accumulation in pancreas, retina, liver, and brain. The disease is caused by mutations in the Ceruloplasmin (CP) gene that produce a strong reduction or absence of ceruloplasmin ferroxidase activity, leading to an impairment of iron metabolism. Most patients described so far are from Japan. Prompt diagnosis and therapy are crucial to prevent neurological complications since, once established, they are usually irreversible. Here, we describe the largest series of non-Japanese patients with aceruloplasminemia published so far, including 13 individuals from 11 families carrying 13 mutations in the CP gene (7 missense, 3 frameshifts, and 3 splicing mutations), 10 of which are novel. All missense mutations were studied by computational modeling. Clinical manifestations were heterogeneous, but anemia, often but not necessarily microcytic, was frequently the earliest one. This study confirms the clinical and genetic heterogeneity of aceruloplasminemia, a disease expected to be increasingly diagnosed in the Next-Generation Sequencing (NGS) era. Unexplained anemia with low transferrin saturation and high ferritin levels without inflammation should prompt the suspicion of aceruloplasminemia, which can be easily confirmed by low serum ceruloplasmin levels. Collaborative joint efforts are needed to better understand the pathophysiology of this potentially disabling disease.
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Affiliation(s)
- Marc Vila Cuenca
- Iron Metabolism: Regulation and Diseases Group, Josep Carreras Leukaemia Research Institute (IJC), Campus Can Ruti, Badalona, 08916 Barcelona, Spain; (M.V.C.); (A.B.); (C.E.-J.)
| | - Giacomo Marchi
- EuroBloodNet Referral Center for Iron Disorders and Gruppo Interdisciplinare Malattie del Ferro, Internal Medicine Unit, Azienda Ospedaliera Universitaria Integrata di Verona, 37134 Verona, Italy; (G.M.); (F.B.)
| | - Anna Barqué
- Iron Metabolism: Regulation and Diseases Group, Josep Carreras Leukaemia Research Institute (IJC), Campus Can Ruti, Badalona, 08916 Barcelona, Spain; (M.V.C.); (A.B.); (C.E.-J.)
| | - Clara Esteban-Jurado
- Iron Metabolism: Regulation and Diseases Group, Josep Carreras Leukaemia Research Institute (IJC), Campus Can Ruti, Badalona, 08916 Barcelona, Spain; (M.V.C.); (A.B.); (C.E.-J.)
| | - Alessandro Marchetto
- Department of Biotechnology, University of Verona, 37134 Verona, Italy; (A.M.); (A.G.); (E.S.)
| | - Alejandro Giorgetti
- Department of Biotechnology, University of Verona, 37134 Verona, Italy; (A.M.); (A.G.); (E.S.)
| | - Viorica Chelban
- National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK; (V.C.); (H.H.); (N.W.W.)
- Department of Neuromuscular Diseases, Institute of Neurology, University College London, London WC1N 3BG, UK
- Department of Neurology and Neurosurgery, Institute of Emergency Medicine, Toma Ciorbă 1, Chisinau, MD-2052 Chisinau, Republic of Moldova
| | - Henry Houlden
- National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK; (V.C.); (H.H.); (N.W.W.)
- Department of Neuromuscular Diseases, Institute of Neurology, University College London, London WC1N 3BG, UK
- Neurogenetics Laboratory, The National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK
| | - Nicholas W Wood
- National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK; (V.C.); (H.H.); (N.W.W.)
- Neurogenetics Laboratory, The National Hospital for Neurology and Neurosurgery, London WC1N 3BG, UK
| | - Chiara Piubelli
- Centre for Tropical Diseases, Ospedale Sacro Cuore - Don Calabria, 37024 Negrar (VR), Italy;
| | - Marina Dorigatti Borges
- Hematology and Hemotherapy Center—Hemocentro Campinas, University of Campinas—UNICAMP, Campinas 13083-878, Brazil; (M.D.B.); (D.M.d.A.); (K.Y.F.)
| | - Dulcinéia Martins de Albuquerque
- Hematology and Hemotherapy Center—Hemocentro Campinas, University of Campinas—UNICAMP, Campinas 13083-878, Brazil; (M.D.B.); (D.M.d.A.); (K.Y.F.)
| | - Kleber Yotsumoto Fertrin
- Hematology and Hemotherapy Center—Hemocentro Campinas, University of Campinas—UNICAMP, Campinas 13083-878, Brazil; (M.D.B.); (D.M.d.A.); (K.Y.F.)
- Division of Hematology, Department of Medicine, University of Washington, Seattle, WA 98195, USA
| | - Ester Jové-Buxeda
- Internal Medicine Department, Parc Tauli Hospital Universitari, Institut d’ Investigació i Innovació Parc Tauli I3PT, Universidad Autonoma de Barcelona, 08208 Sabadell, Spain;
| | - Jordi Sanchez-Delgado
- Hepatology Unit, Digestive Diseases Department, Parc Tauli Hospital Universitari. Institut d’ Investigació i Innovació Parc Tauli I3PT, Universidad Autonoma de Barcelona, 08208 Sabadell, Spain;
- Centro de Investigación Biomedica y en red Enfermedades hepáticas y digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Neus Baena-Díez
- Genetic Department, Parc Tauli Hospital Universitari, Institut d’ Investigació i Innovació Parc Tauli I3PT, Universidad Autonoma de Barcelona, 08208 Sabadell, Spain;
| | - Birute Burnyte
- Department of Human and Medical Genetics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, LT-08661 Vilnius, Lithuania; (B.B.); (A.U.)
| | - Algirdas Utkus
- Department of Human and Medical Genetics, Institute of Biomedical Sciences, Faculty of Medicine, Vilnius University, LT-08661 Vilnius, Lithuania; (B.B.); (A.U.)
| | - Fabiana Busti
- EuroBloodNet Referral Center for Iron Disorders and Gruppo Interdisciplinare Malattie del Ferro, Internal Medicine Unit, Azienda Ospedaliera Universitaria Integrata di Verona, 37134 Verona, Italy; (G.M.); (F.B.)
| | - Gintaras Kaubrys
- Clinic of Neurology and Neurosurgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, 08661 Vilnius, Lithuania;
| | - Eda Suku
- Department of Biotechnology, University of Verona, 37134 Verona, Italy; (A.M.); (A.G.); (E.S.)
| | - Kamil Kowalczyk
- Department of Adult Neurology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (K.K.); (B.K.)
| | - Bartosz Karaszewski
- Department of Adult Neurology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (K.K.); (B.K.)
| | - John B. Porter
- Joint Red Cell Unit, Haematology Department, University College London NHS Foundation Trust, Cancer Services, 250 Euston Road, London NW1 2PG, UK; (J.B.P.); (P.E.)
| | - Sally Pollard
- Consultant Paediatrician, Bradford Royal Infirmary, Duckworthlane, Bradford BD9 6RJ, UK;
| | - Perla Eleftheriou
- Joint Red Cell Unit, Haematology Department, University College London NHS Foundation Trust, Cancer Services, 250 Euston Road, London NW1 2PG, UK; (J.B.P.); (P.E.)
| | - Patricia Bignell
- Oxford Regional Genetics Laboratory, Oxford University Hospitals NHS Foundation Trust, The Churchill Hospital, Oxford OX3 7LE, UK;
| | - Domenico Girelli
- EuroBloodNet Referral Center for Iron Disorders and Gruppo Interdisciplinare Malattie del Ferro, Internal Medicine Unit, Azienda Ospedaliera Universitaria Integrata di Verona, 37134 Verona, Italy; (G.M.); (F.B.)
| | - Mayka Sanchez
- Iron Metabolism: Regulation and Diseases Group, Department of Basic Sciences, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya (UIC); Sant Cugat del Valles, 08017 Barcelona, Spain
- Program of Program of Predictive and Personalized Medicine of Cancer (PMPPC), Institut d ‘Investigació Germans Trias i Pujol (IGTP), Campus Can Ruti, Badalona, 08916 Barcelona, Spain
- BloodGenetics S.L., Esplugues de Llobregat, 08950 Barcelona, Spain
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Improvement in Impaired Social Cognition but Not Seizures by Everolimus in a Child with Tuberous Sclerosis-Associated Autism through Increased Serum Antioxidant Proteins and Oxidant/Antioxidant Status. Case Rep Pediatr 2019; 2019:2070619. [PMID: 31871809 PMCID: PMC6907049 DOI: 10.1155/2019/2070619] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 07/11/2019] [Accepted: 08/01/2019] [Indexed: 12/23/2022] Open
Abstract
We investigated the effect of the mammalian target of rapamycin (mTOR) inhibitor everolimus on tuberous sclerosis complex- (TSC-) associated autistic symptoms and focal seizures with impaired awareness in a female child with TSC. We further evaluated the relationship between improved autistic symptoms and seizures and increased the serum levels of the antioxidant proteins, ceruloplasmin (Cp) and transferrin (Tf), and oxidant-antioxidant status indicated by the oxidant marker oxidized low-density lipoprotein (ox-LDL) and the antioxidant marker total antioxidant power (TAP). Everolimus treatment improved impaired social cognition and autistic behaviors; however, seizure and epileptic activity persisted. Serum Cp and Tf levels gradually increased in response to improved autistic symptoms. Serum TAP levels gradually decreased from baseline to the lowest value at 16 weeks and then increased at 24 weeks, showing a trend toward decreased total score of the Aberrant Behavior Checklist. This study revealed that everolimus treatment improved impaired social cognition with increased serum levels of the copper mediator (Cp) and iron mediator (Tf) via homeostatic control of mTOR activity accompanied by overlap of the oxidant-antioxidant system. Everolimus had no effect on TSC-related epileptiform discharges, and thus, the autistic symptoms and epileptic activity may be two independent end results of a common central nervous system disorder including mTOR hyperactivity. This trial is registered with JMAS-IIA00258.
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Stepanova N, Korol L, Burdeyna O. Oxidative Stress in Peritoneal Dialysis Patients: Association with the Dialysis Adequacy and Technique Survival. Indian J Nephrol 2019; 29:309-316. [PMID: 31571736 PMCID: PMC6755929 DOI: 10.4103/ijn.ijn_242_18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Introduction: Increased oxidative stress is suggested as one of the possible mechanisms of structural and functional damage to the peritoneal membrane in peritoneal dialysis patients. But there are few available data on the association of oxidative stress with peritoneal dialysis adequacy and technique survival. The present study was undertaken to investigate the association of oxidative stress biomarkers with the peritoneal dialysis adequacy and technique survival. Methods: This prospective single-center observational study was conducted between January 2010 and May 2015. Adequacy of dialysis, malondialdehyde levels in the serum and erythrocytes (as an indicator of lipid peroxidation), the concentration of ceruloplasmin, transferrin, and sulfhydryl groups in the blood, and total peroxidase activity in erythrocyte (as indicators of antioxidant system) were determined in 44 stable ambulatory non-diabetic peritoneal dialysis patients. Results: The follow-up period was 3 years. We identified a negative correlation between the serum level of malondialdehyde in the patients and total weekly Kt/V. Peritoneal weekly CrCl was positively correlated with the levels of transferrin, total peroxidase activity, and SH– groups. Daily peritoneal ultrafiltration had a positive correlation with the total peroxidase activity and the serum transferrin levels. The results of the Kaplan–Meier analysis and the log-rank test also demonstrated a significant difference in the cumulative technique survival rate between the patients with ceruloplasmin level ≤0.19 g/l and ≥0.2 g/l. Conclusions: The results mentioned above could be considered as one of the ways to explain better technique survival in PD patients.
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Affiliation(s)
- Natalia Stepanova
- Department of Nephrology and Dialysis, Institute of Nephrology of the National Academy of Medical Sciences, Kyiv, Ukraine
| | - Lesya Korol
- Biochemistry Laboratory, Institute of Nephrology of the National Academy of Medical Sciences, Kyiv, Ukraine
| | - Olena Burdeyna
- Department of Nephrology and Dialysis, Institute of Nephrology of the National Academy of Medical Sciences, Kyiv, Ukraine
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Ilyechova EY, Miliukhina IV, Karpenko MN, Orlov IA, Puchkova LV, Samsonov SA. Case of Early-Onset Parkinson's Disease in a Heterozygous Mutation Carrier of the ATP7B Gene. J Pers Med 2019; 9:jpm9030041. [PMID: 31426520 PMCID: PMC6789574 DOI: 10.3390/jpm9030041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/10/2019] [Accepted: 08/13/2019] [Indexed: 02/04/2023] Open
Abstract
In this paper, we report a clinically proven case of Parkinson’s disease (PD) with early onset in a patient who is a heterozygous mutation carrier of ATP7B (the Wilson’s disease gene). The patient was observed from 2011 to 2018 in the Center for Neurodegenerative Diseases, Institute of Experimental Medicine (St. Petersburg, Russia). During this period, the patient displayed aggravation of PD clinical symptoms that were accompanied by a decrease in the ceruloplasmin concentration (from 0.33 to 0.27 g/L) and an increase in serum nonceruloplasmin copper, which are typical of the late stages of Wilson’s disease. It was found that one of the alleles of exon 14 in the ATP7B gene, which partially codes of the nucleotide-binding domain (N-domain), carries a mutation not previously reported corresponding to Cys1079Gly substitution. Alignment of the ATP7B N-domain amino acid sequences of representative vertebrate species has shown that the Cys at 1079 position is conserved throughout the evolution. Molecular dynamic analysis of a polypeptide with Cys1079Gly substitution showed that the mutation causes profound conformational changes in the N-domain, which could potentially lead to impairment of its functions. The role of ATP7B gene mutations in PD development is discussed.
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Affiliation(s)
- Ekaterina Y Ilyechova
- International Research Laboratory of Trace Elements Metabolism, ITMO University, Kronverksky av., 49, St. Petersburg 197101, Russia
- Department of Molecular Genetics, Institute of Experimental Medicine, Pavlov str., 12, St. Petersburg 197376, Russia
- Biophysics Department, Peter the Great St. Petersburg Polytechnic University, Politehknicheskay str., 29, St. Petersburg 195251, Russia
| | - Irina V Miliukhina
- Centre for Neurodegenerative diseases, Institute of Experimental Medicine, Maluy av., Petrogradskiy district, 13, St. Petersburg 197198, Russia
| | - Marina N Karpenko
- Department of Physiology, Institute of Experimental Medicine, Pavlov str., 12, St. Petersburg 197376, Russia
| | - Iurii A Orlov
- International Research Laboratory of Trace Elements Metabolism, ITMO University, Kronverksky av., 49, St. Petersburg 197101, Russia
| | - Ludmila V Puchkova
- International Research Laboratory of Trace Elements Metabolism, ITMO University, Kronverksky av., 49, St. Petersburg 197101, Russia.
- Department of Molecular Genetics, Institute of Experimental Medicine, Pavlov str., 12, St. Petersburg 197376, Russia.
- Biophysics Department, Peter the Great St. Petersburg Polytechnic University, Politehknicheskay str., 29, St. Petersburg 195251, Russia.
| | - Sergey A Samsonov
- International Research Laboratory of Trace Elements Metabolism, ITMO University, Kronverksky av., 49, St. Petersburg 197101, Russia
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza str., 63, 80-308 Gdańsk, Poland
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