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Mosalam EM, Abdel-Bar HM, Elberri AI, Abdallah MS, Zidan AAA, Batakoushy HA, Abo Mansour HE. Enhanced neuroprotective effect of verapamil-loaded hyaluronic acid modified carbon quantum dots in an in-vitro model of amyloid-induced Alzheimer's disease. Int J Biol Macromol 2024; 275:133742. [PMID: 38986998 DOI: 10.1016/j.ijbiomac.2024.133742] [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: 12/04/2023] [Revised: 06/27/2024] [Accepted: 07/06/2024] [Indexed: 07/12/2024]
Abstract
This study aims to investigate the molecular mechanisms and the neuroprotective effect of hyaluronic acid modified verapamil-loaded carbon quantum dots (VRH-loaded HA-CQDs) against an in-vitro Alzheimer's disease model induced by amyloid beta (Aβ) in SH-SY5Y and Neuro 2a neuroblastoma cells. Briefly, different HA-CQDs were prepared using hydrothermal method and optimized by Box-Behnken design to maximize quantum yield and minimize particle size. Serum stable negatively charged VRH-loaded HA-CQDs was successfully prepared by admixing the optimized HA-CQDs and VRH with association efficiency and loading capacity of 81.25 ± 3.65 % and 5.11 ± 0.81 %, respectively. Cells were pretreated with VRH solution or loaded-HA-CQDs followed by exposure to Aβ. Compared to the control group, amyloidosis led to reduction in cellular proliferation, mitochondrial membrane potential, expression of cytochrome P450, cytochrome c oxidase, CREB-regulated transcriptional coactivator 3, and mitotic index, along with marked increase in reactive oxygen species (ROS) and inflammatory cytokines. Pretreatment with VRH, either free or loaded HA-CQDs, enhanced cell survival, mitochondrial membrane potential, mitotic index, and gene expression. It also reduced inflammation and ROS. However, VRH-loaded HA-CQDs exhibited superior effectiveness in the measured parameters. These findings suggest that VRH-loaded HA-CQDs have enhanced therapeutic potential compared to free VRH in mitigating amyloidosis negative features.
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Affiliation(s)
- Esraa M Mosalam
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
| | - Hend Mohamed Abdel-Bar
- Department of Pharmaceutics, Faculty of Pharmacy, University of Sadat City (USC), 32897 Sadat City, Egypt.
| | - Aya Ibrahim Elberri
- Genetic Engineering and Molecular Biology Division, Department of Zoology, Faculty of Science, Menoufia University, 32511 Shebin El-Kom, Menoufia, Egypt.
| | - Mahmoud S Abdallah
- Clinical Pharmacy Department, Faculty of Pharmacy, University of Sadat City (USC), 32897 Sadat City, Egypt; Department of Pharm D, Faculty of Pharmacy, Jadara University, Irbid, Jordan.
| | | | - Hany A Batakoushy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
| | - Hend E Abo Mansour
- Biochemistry Department, Faculty of Pharmacy, Menoufia University, 32511 Shebin EL-Kom, Menoufia, Egypt.
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Aschner M, Skalny AV, Santamaria A, Rocha JBT, Mansouri B, Tizabi Y, Madeddu R, Lu R, Lee E, Tinkov AA. Epigenetic Mechanisms of Aluminum-Induced Neurotoxicity and Alzheimer's Disease: A Focus on Non-Coding RNAs. Neurochem Res 2024:10.1007/s11064-024-04214-9. [PMID: 39060769 DOI: 10.1007/s11064-024-04214-9] [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: 04/12/2024] [Revised: 06/16/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024]
Abstract
Aluminum (Al) is known to induce neurotoxic effects, potentially contributing to Alzheimer's disease (AD) pathogenesis. Recent studies suggest that epigenetic modification may contribute to Al neurotoxicity, although the mechanisms are still debatable. Therefore, the objective of the present study was to summarize existing data on the involvement of epigenetic mechanisms in Al-induced neurotoxicity, especially AD-type pathology. Existing data demonstrate that Al exposure induces disruption in DNA methylation, histone modifications, and non-coding RNA expression in brains. Alterations in DNA methylation following Al exposure were shown to be mediated by changes in expression and activity of DNA methyltransferases (DNMTs) and ten-eleven translocation proteins (TETs). Al exposure was shown to reduce histone acetylation by up-regulating expression of histone deacetylases (HDACs) and impair histone methylation, ultimately contributing to down-regulation of brain-derived neurotrophic factor (BDNF) expression and activation of nuclear factor κB (NF-κB) signaling. Neurotoxic effects of Al exposure were also associated with aberrant expression of non-coding RNAs, especially microRNAs (miR). Al-induced patterns of miR expression were involved in development of AD-type pathology by increasing amyloid β (Aβ) production through up-regulation of Aβ precursor protein (APP) and β secretase (BACE1) expression (down-regulation of miR-29a/b, miR-101, miR-124, and Let-7c expression), increasing in neuroinflammation through NF-κB signaling (up-regulation of miR-9, miR-125b, miR-128, and 146a), as well as modulating other signaling pathways. Furthermore, reduced global DNA methylation, altered histone modification, and aberrant miRNA expression were associated with cognitive decline in Al-exposed subjects. However, further studies are required to evaluate the contribution of epigenetic mechanisms to Al-induced neurotoxicity and/or AD development.
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Affiliation(s)
- Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Anatoly V Skalny
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Sovetskaya Str. 14, Yaroslavl, 150000, Russia
- Laboratory of Molecular Dietetics, IM Sechenov First Moscow State Medical University (Sechenov University), Bolshaya Pirogovskaya St., 2-4, Moscow, 119146, Russia
| | - Abel Santamaria
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
- Laboratorio de Nanotecnología y Nanomedicina, Departamento de Atención a la Salud, Universidad Autónoma Metropolitana-Xochimilco, Mexico City, 04960, Mexico
| | - Joao B T Rocha
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Borhan Mansouri
- Substance Abuse Prevention Research Center, Research Institute for Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington, DC, 20059, USA
| | - Roberto Madeddu
- Department of Biomedical Sciences-Histology, University of Sassari, Viale San Pietro 43/B, 07100, Sassari, Italy
| | - Rongzu Lu
- Department of Preventive Medicine and Public Health Laboratory Science, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, 212013, People's Republic of China
| | - Eunsook Lee
- Department of Pharmaceutical Sciences, Florida A&M University, Tallahassee, FL, 32307, USA
| | - Alexey A Tinkov
- Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Sovetskaya Str. 14, Yaroslavl, 150000, Russia.
- Laboratory of Molecular Dietetics, IM Sechenov First Moscow State Medical University (Sechenov University), Bolshaya Pirogovskaya St., 2-4, Moscow, 119146, Russia.
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Zhang L, Chen L, Jiang Y, Jin G, Yang J, Sun H, Liang J, Lv G, Yang Q, Yi S, Chen G, Liu W, Ou J, Yang Y. Cross-species metabolomic profiling reveals phosphocholine-mediated liver protection from cold and ischemia/reperfusion. Am J Transplant 2024:S1600-6135(24)00346-0. [PMID: 38878865 DOI: 10.1016/j.ajt.2024.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 05/15/2024] [Accepted: 05/29/2024] [Indexed: 07/11/2024]
Abstract
Cold and ischemia/reperfusion (IR)-associated injuries are seemingly inevitable during liver transplantation and hepatectomy. Because Syrian hamsters demonstrate intrinsic tolerance to transplantation-like stimuli, cross-species comparative metabolomic analyses were conducted with hamster, rat, and donor liver samples to seek hepatic cold and IR-adaptive mechanisms. Lower hepatic phosphocholine contents were found in recipients with early graft-dysfunction and with virus-caused cirrhosis or high model for end-stage liver disease scores (≥30). Choline/phosphocholine deficiency in cultured human THLE-2 hepatocytes and animal models weakened hepatocellular cold tolerance and recovery of glutathione and ATP production, which was rescued by phosphocholine supplements. Among the biological processes impacted by choline/phosphocholine deficiency, 3 lipid-related metabolic processes were downregulated, whereas phosphocholine elevated the expression of genes in methylation processes. Consistently, in THLE-2, phosphocholine enhanced the overall RNA m6A methylation, among which the transcript stability of fatty acid desaturase 6 (FADS6) was improved. FADS6 functioned as a key phosphocholine effector in the production of polyunsaturated fatty acids, which may facilitate the hepatocellular recovery of energy and redox homeostasis. Thus, our study reveals the choline-phosphocholine metabolism and its downstream FADS6 functions in hepatic adaptation to cold and IR, which may inspire new strategies to monitor donor liver quality and improve recipient recovery from the liver transplantation process.
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Affiliation(s)
- Lele Zhang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Liang Chen
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yong Jiang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Guanghui Jin
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jinghong Yang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Haobin Sun
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jinliang Liang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Guo Lv
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Qing Yang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shuhong Yi
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Guihua Chen
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Wei Liu
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
| | - Jingxing Ou
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
| | - Yang Yang
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China; Organ Transplantation Institute, Sun Yat-sen University, Guangzhou, China; Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, China; Guangdong Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Key Laboratory of Liver Disease Biotherapy and Translational Medicine of Guangdong Higher Education Institutes, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
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5
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Shao Y, Xu Y, Di H, Shi X, Wang Y, Liu H, Song L. The inhibition of ORMDL3 prevents Alzheimer's disease through ferroptosis by PERK/ATF4/HSPA5 pathway. IET Nanobiotechnol 2023; 17:182-196. [PMID: 36680386 DOI: 10.1049/nbt2.12113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/26/2022] [Accepted: 12/28/2022] [Indexed: 01/22/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease with high incidence and widespread attention. There is currently no clear clarification of the pathogenesis. However, ORMDL3 causes ferroptosis in AD, and the potential mechanisms remain unclear. So, this study explore the function of ORMDL3 on ferroptosis in AD and its potential regulatory mechanisms. APPswe/PS1dE9 mice and C57BL/6 mice were induced into the mice model. The murine microglial BV-2 cells also were induced into the vitro model. In serum samples of AD patients, ORMDL3 mRNA expression levels were upregulated. The serum ORMDL3 levels expression was positively related to the ADL score or MoCA score in AD patients. The serum ORMDL3 expression level was positively related to MMSE score or Hcy levels in AD patients. The mRNA expression of ORMDL3 in the hippocampal tissue of the mice model of AD was upregulated at one, four and eight months. The protein expression of ORMDL3 was upregulated in the mice model of AD. ORMDL3 promoted Alzheimer's disease, and increased oxidative response and ferroptosis in a model of AD. PERK/ATF4/HSPA5 pathway is one important signal pathway for the effects of ORMDL3 in a model of AD. Collectively, these data suggested that ORMDL3 promoted oxidative response and ferroptosis in a model of AD by the PERK/ATF4/HSPA5 pathway, which might be a novel target spot mechanism of ferroptosis in AD and may serve as a regulator of AD-induced ferroptosis.
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Affiliation(s)
- Yankun Shao
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Yilin Xu
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Huang Di
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Xinxiu Shi
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Yingying Wang
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Hongyu Liu
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
| | - Lina Song
- Department of Neurology, China-Japan Union Hospital of JiLin University, Changchun, China
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