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Zhu J, Chen X, Lu B, Li XY, Wang ZH, Cao LP, Chen GM, Chen JS, Chen T, Chen TL, Cheng YQ, Chu ZS, Cui SX, Cui XL, Deng ZY, Gong QY, Guo WB, He CC, Hu ZJY, Huang Q, Ji XL, Jia FN, Kuang L, Li BJ, Li F, Li HX, Li T, Lian T, Liao YF, Liu XY, Liu YS, Liu ZN, Long YC, Lu JP, Qiu J, Shan XX, Si TM, Sun PF, Wang CY, Wang HN, Wang X, Wang Y, Wang YW, Wu XP, Wu XR, Wu YK, Xie CM, Xie GR, Xie P, Xu XF, Xue ZP, Yang H, Yu H, Yuan ML, Yuan YG, Zhang AX, Zhao JP, Zhang KR, Zhang W, Zhang ZJ, Yan CG, Yu Y. Transcriptomic decoding of regional cortical vulnerability to major depressive disorder. Commun Biol 2024; 7:960. [PMID: 39117859 PMCID: PMC11310478 DOI: 10.1038/s42003-024-06665-w] [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: 01/17/2024] [Accepted: 07/31/2024] [Indexed: 08/10/2024] Open
Abstract
Previous studies in small samples have identified inconsistent cortical abnormalities in major depressive disorder (MDD). Despite genetic influences on MDD and the brain, it is unclear how genetic risk for MDD is translated into spatially patterned cortical vulnerability. Here, we initially examined voxel-wise differences in cortical function and structure using the largest multi-modal MRI data from 1660 MDD patients and 1341 controls. Combined with the Allen Human Brain Atlas, we then adopted transcription-neuroimaging spatial correlation and the newly developed ensemble-based gene category enrichment analysis to identify gene categories with expression related to cortical changes in MDD. Results showed that patients had relatively circumscribed impairments in local functional properties and broadly distributed disruptions in global functional connectivity, consistently characterized by hyper-function in associative areas and hypo-function in primary regions. Moreover, the local functional alterations were correlated with genes enriched for biological functions related to MDD in general (e.g., endoplasmic reticulum stress, mitogen-activated protein kinase, histone acetylation, and DNA methylation); and the global functional connectivity changes were associated with not only MDD-general, but also brain-relevant genes (e.g., neuron, synapse, axon, glial cell, and neurotransmitters). Our findings may provide important insights into the transcriptomic signatures of regional cortical vulnerability to MDD.
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Affiliation(s)
- Jiajia Zhu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
- Research Center of Clinical Medical Imaging, Anhui Province, Hefei, 230032, China
- Anhui Provincial Institute of Translational Medicine, Hefei, 230032, China
| | - Xiao Chen
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Bin Lu
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xue-Ying Li
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zi-Han Wang
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li-Ping Cao
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China
| | - Guan-Mao Chen
- The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, 250024, China
| | - Jian-Shan Chen
- Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, 510370, China
| | - Tao Chen
- Department of Radiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Tao-Lin Chen
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
- Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, Sichuan, 610052, China
| | - Yu-Qi Cheng
- Department of Psychiatry, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, 650032, China
| | - Zhao-Song Chu
- Department of Psychiatry, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, 650032, China
| | - Shi-Xian Cui
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 101408, China
- Sino-Danish Center for Education and Research, Graduate University of Chinese Academy of Sciences, Beijing, 101408, China
| | - Xi-Long Cui
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Zhao-Yu Deng
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qi-Yong Gong
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
- Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, Sichuan, 610052, China
| | - Wen-Bin Guo
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Can-Can He
- Department of Neurology, Affiliated ZhongDa Hospital of Southeast University, Nanjing, Jiangsu, 210009, China
| | - Zheng-Jia-Yi Hu
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 101408, China
- Sino-Danish Center for Education and Research, Graduate University of Chinese Academy of Sciences, Beijing, 101408, China
| | - Qian Huang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400042, China
| | - Xin-Lei Ji
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Feng-Nan Jia
- Department of Clinical Psychology, Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, Jiangsu, 215003, China
| | - Li Kuang
- Department of Psychiatry, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400042, China
| | - Bao-Juan Li
- Xijing Hospital of Air Force Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Feng Li
- Beijing Anding Hospital, Capital Medical University, Beijing, 100120, China
| | - Hui-Xian Li
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Tao Li
- Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310063, China
- Mental Health Center and Psychiatric Laboratory, West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
| | - Tao Lian
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yi-Fan Liao
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiao-Yun Liu
- Department of Psychosomatics and Psychiatry, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Yan-Song Liu
- Department of Clinical Psychology, Suzhou Psychiatric Hospital, The Affiliated Guangji Hospital of Soochow University, Suzhou, Jiangsu, 215003, China
| | - Zhe-Ning Liu
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Yi-Cheng Long
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Jian-Ping Lu
- Shenzhen Kangning Hospital Shenzhen, Guangzhou, 518020, China
| | - Jiang Qiu
- Faculty of Psychology, Southwest University, Chongqing, 400715, China
| | - Xiao-Xiao Shan
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Tian-Mei Si
- National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital) & Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Peng-Feng Sun
- Xi'an Central Hospital, Xi'an, Shaanxi, 710004, China
| | - Chuan-Yue Wang
- Beijing Anding Hospital, Capital Medical University, Beijing, 100120, China
| | - Hua-Ning Wang
- Xijing Hospital of Air Force Military Medical University, Xi'an, Shaanxi, 710032, China
| | - Xiang Wang
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Ying Wang
- The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, 250024, China
| | - Yu-Wei Wang
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiao-Ping Wu
- Xi'an Central Hospital, Xi'an, Shaanxi, 710004, China
| | - Xin-Ran Wu
- Faculty of Psychology, Southwest University, Chongqing, 400715, China
| | - Yan-Kun Wu
- National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital) & Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Chun-Ming Xie
- Department of Neurology, Affiliated ZhongDa Hospital of Southeast University, Nanjing, Jiangsu, 210009, China
| | - Guang-Rong Xie
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Peng Xie
- Institute of Neuroscience, Chongqing Medical University, Chongqing, 400016, China
- Chongqing Key Laboratory of Neurobiology, Chongqing, 400000, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400042, China
| | - Xiu-Feng Xu
- Department of Psychiatry, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, 650032, China
| | - Zhen-Peng Xue
- Shenzhen Kangning Hospital Shenzhen, Guangzhou, 518020, China
| | - Hong Yang
- Department of Radiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Hua Yu
- Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310063, China
- Mental Health Center and Psychiatric Laboratory, West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
| | - Min-Lan Yuan
- West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
| | - Yong-Gui Yuan
- Department of Psychosomatics and Psychiatry, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Ai-Xia Zhang
- First Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Jing-Ping Zhao
- Department of Psychiatry, and National Clinical Research Center for Mental Disorders, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Ke-Rang Zhang
- First Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, China
| | - Wei Zhang
- West China Hospital of Sichuan University, Chengdu, Sichuan, 610044, China
| | - Zi-Jing Zhang
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Chao-Gan Yan
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- International Big-Data Center for Depression Research, Chinese Academy of Sciences, Beijing, 100101, China
- Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, China
- Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 101408, China
- Sino-Danish Center for Education and Research, Graduate University of Chinese Academy of Sciences, Beijing, 101408, China
| | - Yongqiang Yu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China.
- Research Center of Clinical Medical Imaging, Anhui Province, Hefei, 230032, China.
- Anhui Provincial Institute of Translational Medicine, Hefei, 230032, China.
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2
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Brunner S, Höring M, Liebisch G, Schweizer S, Scheiber J, Giansanti P, Hidrobo M, Hermeling S, Oeckl J, Prudente de Mello N, Perocchi F, Seeliger C, Strohmeyer A, Klingenspor M, Plagge J, Küster B, Burkhardt R, Janssen KP, Ecker J. Mitochondrial lipidomes are tissue specific - low cholesterol contents relate to UCP1 activity. Life Sci Alliance 2024; 7:e202402828. [PMID: 38843936 PMCID: PMC11157264 DOI: 10.26508/lsa.202402828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/09/2024] Open
Abstract
Lipid composition is conserved within sub-cellular compartments to maintain cell function. Lipidomic analyses of liver, muscle, white and brown adipose tissue (BAT) mitochondria revealed substantial differences in their glycerophospholipid (GPL) and free cholesterol (FC) contents. The GPL to FC ratio was 50-fold higher in brown than white adipose tissue mitochondria. Their purity was verified by comparison of proteomes with ER and mitochondria-associated membranes. A lipid signature containing PC and FC, calculated from the lipidomic profiles, allowed differentiation of mitochondria from BAT of mice housed at different temperatures. Elevating FC in BAT mitochondria prevented uncoupling protein (UCP) 1 function, whereas increasing GPL boosted it. Similarly, STARD3 overexpression facilitating mitochondrial FC import inhibited UCP1 function in primary brown adipocytes, whereas a knockdown promoted it. We conclude that the mitochondrial GPL/FC ratio is key for BAT function and propose that targeting it might be a promising strategy to promote UCP1 activity.
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Affiliation(s)
- Sarah Brunner
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | - Marcus Höring
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Gerhard Liebisch
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Sabine Schweizer
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | | | - Piero Giansanti
- https://ror.org/02kkvpp62 Bavarian Center for Biomolecular Mass Spectrometry at the University Hospital rechts der Isar, Technical University of Munich, Munich, Germany
| | - Maria Hidrobo
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | - Sven Hermeling
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | - Josef Oeckl
- https://ror.org/02kkvpp62 Chair of Molecular Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Natalia Prudente de Mello
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center (HDC), Helmholtz Zentrum München and German National Diabetes Center (DZD), Neuherberg, Germany
- Graduate School of Systemic Neurosciences (GSN), Ludwig-Maximilians University, Munich, Germany
| | - Fabiana Perocchi
- Institute for Diabetes and Obesity, Helmholtz Diabetes Center (HDC), Helmholtz Zentrum München and German National Diabetes Center (DZD), Neuherberg, Germany
- https://ror.org/02kkvpp62 Institute of Neuronal Cell Biology, Technical University of Munich, Munich, Germany
- Munich Cluster of Systems Neurology, Munich, Germany
| | - Claudine Seeliger
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | - Akim Strohmeyer
- https://ror.org/02kkvpp62 Chair of Molecular Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Martin Klingenspor
- https://ror.org/02kkvpp62 Chair of Molecular Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Johannes Plagge
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
| | - Bernhard Küster
- https://ror.org/02kkvpp62 Chair of Proteomics and Bioanalytics, Technical University of Munich, Freising, Germany
- https://ror.org/02kkvpp62 Bavarian Biomolecular Mass Spectrometry Center, Technical University of Munich, Freising, Germany
| | - Ralph Burkhardt
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
| | - Klaus-Peter Janssen
- https://ror.org/02kkvpp62 Department of Surgery, School of Medicine, University Hospital rechts der Isar, Technical University of Munich, Munich Germany
| | - Josef Ecker
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, Regensburg, Germany
- https://ror.org/02kkvpp62 ZIEL Institute for Food & Health, Research Group Lipid Metabolism, Technical University of Munich, Freising, Germany
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Jyothidasan A, Sunny S, Devarajan A, Sayed A, Afortude JK, Dalley B, Nanda V, Pogwizd S, Litovsky SH, Trinity JD, Might M, Rajasekaran NS. Exercise mitigates reductive stress-induced cardiac remodeling in mice. Redox Biol 2024; 75:103263. [PMID: 39053266 DOI: 10.1016/j.redox.2024.103263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/14/2024] [Accepted: 06/30/2024] [Indexed: 07/27/2024] Open
Abstract
The endoplasmic reticulum (ER) regulates protein folding and maintains proteostasis in cells. We observed that the ER transcriptome is impaired during chronic reductive stress (RS) in cardiomyocytes. Here, we hypothesized that a prolonged moderate treadmill exercise mitigates the RS-induced ER dysfunction and cardiac remodeling in cardiac-specific constitutively active Nrf2 mice (CaNrf2-TG). RNA sequencing showed notable alterations in the ER transcriptome of TG hearts at 4, 12, and 24 weeks (16, 28, and 35 genes, respectively). Notably, the downregulation of ER genes was significant at 12 weeks, and further pronounced at 24 weeks, at which the cardiac pathology is evident. We also observed increased levels of ubiquitinated proteins in CaNrf2-TG hearts across all ages, along with VCP, a marker of ERAD function, at 24 weeks. These findings indicate that constitutive Nrf2 activation and RS impair protein-folding activity and augments ERAD function over time. Exercise intervention for 20 weeks (beginning at 6 weeks of age), reduced cardiomyocyte hypertrophy (from 448 μm2 to 280 μm2) in TG mice, through adaptive remodeling, and preserved the cardiac function. However, while exercise did not influence antioxidants or ER stress protein levels, it significantly improved ERAD function and autophagy flux (LC-I to LC-II) in the TG-EXE hearts. Collectively, our findings underscore the prophylactic potential of exercise in mitigating RS-associated pathology, highlighting its essential role in maintaining cellular proteostasis through ER-independent mechanisms.
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Affiliation(s)
- Arun Jyothidasan
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sini Sunny
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Asokan Devarajan
- Department of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Aniqa Sayed
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - John Kofi Afortude
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Brian Dalley
- Department of Medicine, University of Utah, School of Medicine, Salt Lake City, UT, USA
| | - Vivek Nanda
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Steven Pogwizd
- Department of Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Silvio H Litovsky
- Department of Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Joel D Trinity
- Department of Medicine, University of Utah, School of Medicine, Salt Lake City, UT, USA
| | - Matthew Might
- Hugh Kaul Precision Medicine Institute, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Namakkal S Rajasekaran
- Cardiac Aging & Redox Signaling Laboratory, Molecular and Cellular Pathology, Department of Pathology/Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, USA; Department of Medicine, University of Utah, School of Medicine, Salt Lake City, UT, USA; Department of Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA.
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4
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Gao Y, Zhao P, Wang C, Fang K, Pan Y, Zhang Y, Miao Z, Wang M, Wei M, Zou W, Liu M, Peng K. Buqi Huoxue Tongnao prescription protects against chronic cerebral hypoperfusion via regulating PI3K/AKT and LXRα/CYP7A1 signaling pathways. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 132:155844. [PMID: 38959552 DOI: 10.1016/j.phymed.2024.155844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/01/2024] [Accepted: 06/24/2024] [Indexed: 07/05/2024]
Abstract
BACKGROUND Chronic cerebral hypoperfusion (CCH) has been confirmed as one of the pathogenesis underlying vascular cognitive impairment. A series of pathological changes, including inflammation, oxidative stress, and apoptosis, are involved in this pathophysiology and contribute to cognitive impairment and neuropathological alterations. The traditional Chinese medicine (TCM) of Buqi Huoxue Tongnao (BQHXTN) prescription possesses a remarkable clinical efficacy for treating patients with CCH, but still lacks a scientific foundation for its pharmacological mechanisms. PURPOSE To investigate the role and underlying mechanism of the effects of BQHXTN on CCH both in vitro and in vivo. METHODS In this study, we established a two-vessel occlusion (2-VO) induced CCH model in Sprague-Dawley rats, an oxygen-glucose deprivation model in BV2 cells, and a steatosis cell model in L02 cells to reveal the underlying mechanisms of BQHXTN by behavioral test, histopathological analysis and the detection of pro-inflammatory cytokine, apoptotic factors and reactive oxide species. Donepezil hydrochloride and Buyang Huanwu decoction were used as positive drugs. RESULTS Compared with the 2-VO group, BQHXTN treatment at three doses significantly enhanced the memory and learning abilities in the Y-maze and novel object recognition tests. The hematoxylin-eosin staining indicated that BQHXTN protected against hippocampal injury induced by CCH. Of note, in both in vivo and in vitro experiments, BQHXTN prominently inhibited the production of IL-1β, TNF-α, cleaved-caspase 3, and iNOS by regulating the PI3K/AKT pathway, consequently exerting anti-inflammatory, anti-apoptotic, and antioxidant effects. Moreover, it provided the first initial evidence that BQHXTN treatment mitigated dyslipidemia by increasing the LXRα/CYP7A1 expression, thereby delaying the neuropathological process. CONCLUSION In summary, these findings firstly revealed the pharmacodynamics and mechanism of BQHXTN, that is, BQHXTN could alleviate cognitive impairment, neuropathological alterations and dyslipidemia in CCH rats by activating PI3K/AKT and LXRα/CYP7A1 signaling pathways, as well as providing a TCM treatment strategy for CCH.
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Affiliation(s)
- Yinhuang Gao
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China; Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Peng Zhao
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China
| | - Chunyan Wang
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China
| | - Keren Fang
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China
| | - Yueqing Pan
- Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yan Zhang
- Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Zhishuo Miao
- Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Meirong Wang
- Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Minlong Wei
- Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Wei Zou
- Changsha Research and Development Center on Obstetric and Gynecologic Traditional Chinese Medicine Preparation, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan 410008, China
| | - Menghua Liu
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China; Key Laboratory of Drug Metabolism Research and Evaluation of the State Drug Administration, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
| | - Kang Peng
- Southern Medical University Hospital of Integrated Traditional Chinese and Western Medicine, Peng Kang National Famous Traditional Chinese Medicine Expert Inheritance Studio, Southern Medicine University, Guangzhou 510315, China.
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5
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Thananthirige KPM, Chitranshi N, Basavarajappa D, Rajput R, Abbasi M, Palanivel V, Gupta VB, Paulo JA, Koronyo-Hamaoui M, Mirzaei M, Graham SL, Gupta V. Tau modulation through AAV9 therapy augments Akt/Erk survival signalling in glaucoma mitigating the retinal degenerative phenotype. Acta Neuropathol Commun 2024; 12:89. [PMID: 38845058 PMCID: PMC11158005 DOI: 10.1186/s40478-024-01804-0] [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: 12/07/2023] [Accepted: 05/27/2024] [Indexed: 06/09/2024] Open
Abstract
The microtubule-associated protein Tau is a key player in various neurodegenerative conditions, including Alzheimer's disease (AD) and Tauopathies, where its hyperphosphorylation disrupts neuronal microtubular lattice stability. Glaucoma, a neurodegenerative disorder affecting the retina, leads to irreversible vision loss by damaging retinal ganglion cells and the optic nerve, often associated with increased intraocular pressure. Prior studies have indicated Tau expression and phosphorylation alterations in the retina in both AD and glaucoma, yet the causative or downstream nature of Tau protein changes in these pathologies remains unclear. This study investigates the impact of Tau protein modulation on retinal neurons under normal and experimental glaucoma conditions. Employing AAV9-mediated gene therapy for Tau overexpression and knockdown, both manipulations were found to adversely affect retinal structural and functional measures as well as neuroprotective Akt/Erk survival signalling in healthy conditions. In the experimental glaucoma model, Tau overexpression intensified inner retinal degeneration, while Tau silencing provided significant protection against these degenerative changes. These findings underscore the critical role of endogenous Tau protein levels in preserving retinal integrity and emphasize the therapeutic potential of targeting Tau in glaucoma pathology.
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Affiliation(s)
| | - Nitin Chitranshi
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Devaraj Basavarajappa
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Rashi Rajput
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Mojdeh Abbasi
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, 58183, Linköping, Sweden
| | - Viswanthram Palanivel
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Veer Bala Gupta
- School of Medicine, Deakin University, Melbourne, VIC, 3220, Australia
| | - Joao A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | - Maya Koronyo-Hamaoui
- Department of Neurosurgery, Cedars-Sinai Medical Center, Maxine Dunitz Neurosurgical Research Institute, 127 S. San Vicente Blvd., Los Angeles, CA, 90048, USA
- Division of Applied Cell Biology and Physiology, Departments of Neurology and Biomedical Sciences, Cedars-Sinai Medical Center, 127 S. San Vicente Blvd., Los Angeles, CA, USA
| | - Mehdi Mirzaei
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Stuart L Graham
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia
| | - Vivek Gupta
- Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, 2109, Australia.
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6
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Hemagirri M, Chen Y, Gopinath SCB, Sahreen S, Adnan M, Sasidharan S. Crosstalk between protein misfolding and endoplasmic reticulum stress during ageing and their role in age-related disorders. Biochimie 2024; 221:159-181. [PMID: 37918463 DOI: 10.1016/j.biochi.2023.10.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/04/2023]
Abstract
Maintaining the proteome is crucial to retaining cell functionality and response to multiple intrinsic and extrinsic stressors. Protein misfolding increased the endoplasmic reticulum (ER) stress and activated the adaptive unfolded protein response (UPR) to restore cell homeostasis. Apoptosis occurs when ER stress is prolonged or the adaptive response fails. In healthy young cells, the ratio of protein folding machinery to quantities of misfolded proteins is balanced under normal circumstances. However, the age-related deterioration of the complex systems for handling protein misfolding is accompanied by ageing-related disruption of protein homeostasis, which results in the build-up of misfolded and aggregated proteins. This ultimately results in decreased cell viability and forms the basis of common age-related diseases called protein misfolding diseases. Proteins or protein fragments convert from their ordinarily soluble forms to insoluble fibrils or plaques in many of these disorders, which build up in various organs such as the liver, brain, or spleen. Alzheimer's, Parkinson's, type II diabetes, and cancer are diseases in this group commonly manifest in later life. Thus, protein misfolding and its prevention by chaperones and different degradation paths are becoming understood from molecular perspectives. Proteodynamics information will likely affect future interventional techniques to combat cellular stress and support healthy ageing by avoiding and treating protein conformational disorders. This review provides an overview of the diverse proteostasis machinery, protein misfolding, and ER stress involvement, which activates the UPR sensors. Here, we will discuss the crosstalk between protein misfolding and ER stress and their role in developing age-related diseases.
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Affiliation(s)
- Manisekaran Hemagirri
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Yeng Chen
- Department of Oral & Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Subash C B Gopinath
- Faculty of Chemical Engineering and Technology, Universiti Malaysia Perlis, Arau, 02600, Malaysia
| | - Sumaira Sahreen
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Ha'il, Ha'il, P. O. Box 2440, Saudi Arabia.
| | - Sreenivasan Sasidharan
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, USM, 11800, Pulau Pinang, Malaysia.
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7
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Ma M, Jiang W, Zhou R. DAMPs and DAMP-sensing receptors in inflammation and diseases. Immunity 2024; 57:752-771. [PMID: 38599169 DOI: 10.1016/j.immuni.2024.03.002] [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: 12/18/2023] [Revised: 02/17/2024] [Accepted: 03/01/2024] [Indexed: 04/12/2024]
Abstract
Damage-associated molecular patterns (DAMPs) are endogenous danger molecules produced in cellular damage or stress, and they can activate the innate immune system. DAMPs contain multiple types of molecules, including nucleic acids, proteins, ions, glycans, and metabolites. Although these endogenous molecules do not trigger immune response under steady-state condition, they may undergo changes in distribution, physical or chemical property, or concentration upon cellular damage or stress, and then they become DAMPs that can be sensed by innate immune receptors to induce inflammatory response. Thus, DAMPs play an important role in inflammation and inflammatory diseases. In this review, we summarize the conversion of homeostatic molecules into DAMPs; the diverse nature and classification, cellular origin, and sensing of DAMPs; and their role in inflammation and related diseases. Furthermore, we discuss the clinical strategies to treat DAMP-associated diseases via targeting DAMP-sensing receptors.
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Affiliation(s)
- Ming Ma
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China
| | - Wei Jiang
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China
| | - Rongbin Zhou
- Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, School of Basic Medical Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230027, Anhui, China; Department of Geriatrics, Gerontology Institute of Anhui Province, The First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
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8
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Monsalvo-Maraver LA, Ovalle-Noguez EA, Nava-Osorio J, Maya-López M, Rangel-López E, Túnez I, Tinkov AA, Tizabi Y, Aschner M, Santamaría A. Interactions Between the Ubiquitin-Proteasome System, Nrf2, and the Cannabinoidome as Protective Strategies to Combat Neurodegeneration: Review on Experimental Evidence. Neurotox Res 2024; 42:18. [PMID: 38393521 PMCID: PMC10891226 DOI: 10.1007/s12640-024-00694-3] [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: 11/19/2023] [Revised: 01/13/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024]
Abstract
Neurodegenerative disorders are chronic brain diseases that affect humans worldwide. Although many different factors are thought to be involved in the pathogenesis of these disorders, alterations in several key elements such as the ubiquitin-proteasome system (UPS), the nuclear factor erythroid 2-related factor 2 (Nrf2) signaling pathway, and the endocannabinoid system (ECS or endocannabinoidome) have been implicated in their etiology. Impairment of these elements has been linked to the origin and progression of neurodegenerative disorders, while their potentiation is thought to promote neuronal survival and overall neuroprotection, as proved with several experimental models. These key neuroprotective pathways can interact and indirectly activate each other. In this review, we summarize the neuroprotective potential of the UPS, ECS, and Nrf2 signaling, both separately and combined, pinpointing their role as a potential therapeutic approach against several hallmarks of neurodegeneration.
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Affiliation(s)
- Luis Angel Monsalvo-Maraver
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Av. Universidad 3000, C.U. Coyoacán, 04510, Mexico City, Mexico.
| | - Enid A Ovalle-Noguez
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Av. Universidad 3000, C.U. Coyoacán, 04510, Mexico City, Mexico
| | - Jade Nava-Osorio
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Av. Universidad 3000, C.U. Coyoacán, 04510, Mexico City, Mexico
| | - Marisol Maya-López
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Av. Universidad 3000, C.U. Coyoacán, 04510, Mexico City, Mexico
- Doctorado en Ciencias Biológicas y de La Salud, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
| | - Edgar Rangel-López
- Instituto Nacional de Neurología y Neurocirugía, S.S.A., Mexico City, Mexico
| | - Isaac Túnez
- Instituto de Investigaciones Biomédicas Maimonides de Córdoba (IMIBIC), Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Enfermería, Universidad de Córdoba, Red Española de Excelencia en Estimulación Cerebral (REDESTIM), Córdoba, Spain
| | - Alexey A Tinkov
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
- Yaroslavl State University, Yaroslavl, Russia
| | - Yousef Tizabi
- Department of Pharmacology, Howard University College of Medicine, Washington, DC, USA
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Abel Santamaría
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Av. Universidad 3000, C.U. Coyoacán, 04510, Mexico City, Mexico.
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9
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Yang Y, Lu D, Wang M, Liu G, Feng Y, Ren Y, Sun X, Chen Z, Wang Z. Endoplasmic reticulum stress and the unfolded protein response: emerging regulators in progression of traumatic brain injury. Cell Death Dis 2024; 15:156. [PMID: 38378666 PMCID: PMC10879178 DOI: 10.1038/s41419-024-06515-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: 10/17/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/22/2024]
Abstract
Traumatic brain injury (TBI) is a common trauma with high mortality and disability rates worldwide. However, the current management of this disease is still unsatisfactory. Therefore, it is necessary to investigate the pathophysiological mechanisms of TBI in depth to improve the treatment options. In recent decades, abundant evidence has highlighted the significance of endoplasmic reticulum stress (ERS) in advancing central nervous system (CNS) disorders, including TBI. ERS following TBI leads to the accumulation of unfolded proteins, initiating the unfolded protein response (UPR). Protein kinase RNA-like ER kinase (PERK), inositol-requiring protein 1 (IRE1), and activating transcription factor 6 (ATF6) are the three major pathways of UPR initiation that determine whether a cell survives or dies. This review focuses on the dual effects of ERS on TBI and discusses the underlying mechanisms. It is suggested that ERS may crosstalk with a series of molecular cascade responses, such as mitochondrial dysfunction, oxidative stress, neuroinflammation, autophagy, and cell death, and is thus involved in the progression of secondary injury after TBI. Hence, ERS is a promising candidate for the management of TBI.
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Affiliation(s)
- Yayi Yang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu Province, China
| | - Dengfeng Lu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
| | - Menghan Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu Province, China
| | - Guangjie Liu
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
| | - Yun Feng
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu Province, China
| | - Yubo Ren
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China
| | - Xiaoou Sun
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China.
| | - Zhouqing Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China.
| | - Zhong Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188Shizi Street, Suzhou, 215006, Jiangsu Province, China.
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10
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Suryavanshi U, Angadi KK, Reddy VS, Reddy GB. Neuroprotective role of vitamin B12 in streptozotocin-induced type 1 diabetic rats. Chem Biol Interact 2024; 387:110823. [PMID: 38049026 DOI: 10.1016/j.cbi.2023.110823] [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: 08/06/2023] [Revised: 11/17/2023] [Accepted: 11/29/2023] [Indexed: 12/06/2023]
Abstract
Chronic hyperglycemia-induced neuropathological changes include neuronal apoptosis, astrogliosis, decrease in neurotrophic support, impaired synaptic plasticity, and impaired protein quality control (PQC) system. Vitamin B12 is indispensable for neuronal development and brain function. Several studies reported the neuroprotective effect of B12 supplementation in diabetic patients. However, the underlying molecular basis for the neuroprotective effect of B12 supplementation in diabetes needs to be thoroughly investigated. Two-month-old Sprague-Dawley rats were randomly assigned into three groups: Control (CN), diabetes (D; induced with streptozotocin; STZ), and diabetic rats supplemented with vitamin B12 (DBS; vitamin B12; 50 μg/kg) for four months. At the end of 4 months of experimentation, the brain was dissected to collect the cerebral cortex (CC). The morphology of CC was investigated with H&E and Nissl body staining. Neuronal apoptosis was determined with TUNEL assay. The components of neurotrophic support, astrogliosis, synaptic plasticity, and PQC processes were investigated by immunoblotting and immunostaining methods. H& E, Nissl body, and TUNEL staining revealed that diabetes-induced neuronal apoptosis and degeneration. However, B12 supplementation ameliorated the diabetes-induced neuronal apoptosis. Further, B12 supplementation restored the markers of neurotrophic support (BDNF, NGF, and GDNF), and synaptic plasticity (SYP, and PSD-95) in diabetic rats. Interestingly, B12 supplementation also attenuated astrogliosis, ER stress, and ameliorated autophagy-related proteins in diabetic rats. Overall, these findings suggest that B12 acts as a neuroprotective agent by inhibiting the neuropathological changes in STZ-induced type 1 diabetes. Thus, B12 supplementation could produce beneficial outcomes including neuroprotective effects in diabetic patients.
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Affiliation(s)
- Udaykanth Suryavanshi
- Biochemistry Division, ICMR-National Institute of Nutrition, Tarnaka, Hyderabad, India
| | - Kiran Kumar Angadi
- Biochemistry Division, ICMR-National Institute of Nutrition, Tarnaka, Hyderabad, India
| | - V Sudhakar Reddy
- Biochemistry Division, ICMR-National Institute of Nutrition, Tarnaka, Hyderabad, India.
| | - G Bhanuprakash Reddy
- Biochemistry Division, ICMR-National Institute of Nutrition, Tarnaka, Hyderabad, India.
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11
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Moncan M, Rakhsh-Khorshid H, Eriksson LA, Samali A, Gorman AM. Insights into the structure and function of the RNA ligase RtcB. Cell Mol Life Sci 2023; 80:352. [PMID: 37935993 PMCID: PMC10630183 DOI: 10.1007/s00018-023-05001-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/19/2023] [Accepted: 10/11/2023] [Indexed: 11/09/2023]
Abstract
To be functional, some RNAs require a processing step involving splicing events. Each splicing event necessitates an RNA ligation step. RNA ligation is a process that can be achieved with various intermediaries such as self-catalysing RNAs, 5'-3' and 3'-5' RNA ligases. While several types of RNA ligation mechanisms occur in human, RtcB is the only 3'-5' RNA ligase identified in human cells to date. RtcB RNA ligation activity is well known to be essential for the splicing of XBP1, an essential transcription factor of the unfolded protein response; as well as for the maturation of specific intron-containing tRNAs. As such, RtcB is a core factor in protein synthesis and homeostasis. Taking advantage of the high homology between RtcB orthologues in archaea, bacteria and eukaryotes, this review will provide an introduction to the structure of RtcB and the mechanism of 3'-5' RNA ligation. This analysis is followed by a description of the mechanisms regulating RtcB activity and localisation, its known partners and its various functions from bacteria to human with a specific focus on human cancer.
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Affiliation(s)
- Matthieu Moncan
- Apoptosis Research Centre, University of Galway, Galway, Ireland
- School of Biological and Chemical Sciences, University of Galway, Galway, Ireland
| | - Hassan Rakhsh-Khorshid
- Apoptosis Research Centre, University of Galway, Galway, Ireland
- School of Biological and Chemical Sciences, University of Galway, Galway, Ireland
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30, Göteborg, Sweden
| | - Afshin Samali
- Apoptosis Research Centre, University of Galway, Galway, Ireland
- School of Biological and Chemical Sciences, University of Galway, Galway, Ireland
- CÚRAM SFI Research Centre for Medical Devices, University of Galway, Galway, Ireland
| | - Adrienne M Gorman
- Apoptosis Research Centre, University of Galway, Galway, Ireland.
- School of Biological and Chemical Sciences, University of Galway, Galway, Ireland.
- CÚRAM SFI Research Centre for Medical Devices, University of Galway, Galway, Ireland.
- Biomedical Sciences, Upper Newcastle, University of Galway, Galway, H91 W2TY, Ireland.
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12
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Lee EJ, Diaz-Aguilar MS, Min H, Choi J, Valdez Duran DA, Grandjean JM, Wiseman RL, Kroeger H, Lin JH. Mitochondria and Endoplasmic Reticulum Stress in Retinal Organoids from Patients with Vision Loss. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1721-1739. [PMID: 36535406 PMCID: PMC10616714 DOI: 10.1016/j.ajpath.2022.12.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/10/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
Activating transcription factor 6 (ATF6), a key regulator of the unfolded protein response, plays a key role in endoplasmic reticulum function and protein homeostasis. Variants of ATF6 that abrogate transcriptional activity cause morphologic and molecular defects in cones, clinically manifesting as the human vision loss disease achromatopsia (ACHM). ATF6 is expressed in all retinal cells. However, the effect of disease-associated ATF6 variants on other retinal cell types remains unclear. Herein, this was investigated by analyzing bulk RNA-sequencing transcriptomes from retinal organoids generated from patients with ACHM, carrying homozygous loss-of-function ATF6 variants. Marked dysregulation in mitochondrial respiratory complex gene expression and disrupted mitochondrial morphology in ACHM retinal organoids were identified. This indicated that loss of ATF6 leads to previously unappreciated mitochondrial defects in the retina. Next, gene expression from control and ACHM retinal organoids were compared with transcriptome profiles of seven major retinal cell types generated from recent single-cell transcriptomic maps of nondiseased human retina. This indicated pronounced down-regulation of cone genes and up-regulation in Müller glia genes, with no significant effects on other retinal cells. Overall, the current analysis of ACHM patient retinal organoids identified new cellular and molecular phenotypes in addition to cone dysfunction: activation of Müller cells, increased endoplasmic reticulum stress, disrupted mitochondrial structure, and elevated respiratory chain activity gene expression.
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Affiliation(s)
- Eun-Jin Lee
- Department of Ophthalmology, Stanford University, Stanford, California; Department of Pathology, VA Palo Alto Healthcare System, Palo Alto, California; Department of Pathology, Stanford University, Stanford, California
| | - Monica S Diaz-Aguilar
- Department of Ophthalmology, Stanford University, Stanford, California; Department of Pathology, VA Palo Alto Healthcare System, Palo Alto, California; Department of Pathology, Stanford University, Stanford, California; Department of Medicine, Rush University Medical College, Chicago, Illinois
| | - Hyejung Min
- Department of Pathology, VA Palo Alto Healthcare System, Palo Alto, California; Department of Pathology, Stanford University, Stanford, California
| | - Jihee Choi
- Department of Pathology, Stanford University, Stanford, California
| | | | - Julia M Grandjean
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California
| | - R Luke Wiseman
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California
| | - Heike Kroeger
- Department of Cellular Biology, University of Georgia, Athens, Georgia
| | - Jonathan H Lin
- Department of Ophthalmology, Stanford University, Stanford, California; Department of Pathology, VA Palo Alto Healthcare System, Palo Alto, California; Department of Pathology, Stanford University, Stanford, California.
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13
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Kamrani-Sharif R, Hayes AW, Gholami M, Salehirad M, Allahverdikhani M, Motaghinejad M, Emanuele E. Oxytocin as neuro-hormone and neuro-regulator exert neuroprotective properties: A mechanistic graphical review. Neuropeptides 2023; 101:102352. [PMID: 37354708 DOI: 10.1016/j.npep.2023.102352] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 03/28/2023] [Accepted: 06/12/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Neurodegeneration is progressive cell loss in specific neuronal populations, often resulting in clinical consequences with significant medical, societal, and economic implications. Because of its antioxidant, anti-inflammatory, and anti-apoptotic properties, oxytocin has been proposed as a potential neuroprotective and neurobehavioral therapeutic agent, including modulating mood disturbances and cognitive enchantment. METHODS Literature searches were conducted using the following databases Web of Science, PubMed, Elsevier Science Direct, Google Scholar, the Core Collection, and Cochrane from January 2000 to February 2023 for articles dealing with oxytocin neuroprotective properties in preventing or treating neurodegenerative disorders and diseases with a focus on oxidative stress, inflammation, and apoptosis/cell death. RESULTS The neuroprotective effects of oxytocin appears to be mediated by its anti-inflammatory properties, inhibition of neuro inflammation, activation of several antioxidant enzymes, inhibition of oxidative stress and free radical formation, activation of free radical scavengers, prevent of mitochondrial dysfunction, and inhibition of apoptosis. CONCLUSION Oxytocin acts as a neuroprotective agent by preventing neuro-apoptosis, neuro-inflammation, and neuronal oxidative stress, and by restoring mitochondrial function.
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Affiliation(s)
- Roya Kamrani-Sharif
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Wallace Hayes
- University of South Florida College of Public Health, Tampa, FL, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
| | - Mina Gholami
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Salehirad
- Cognitive and Neuroscience Research Center (CNRC), Amir-Almomenin Hospital, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Maryam Allahverdikhani
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Motaghinejad
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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14
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Nagar P, Sharma P, Dhapola R, Kumari S, Medhi B, HariKrishnaReddy D. Endoplasmic reticulum stress in Alzheimer's disease: Molecular mechanisms and therapeutic prospects. Life Sci 2023; 330:121983. [PMID: 37524162 DOI: 10.1016/j.lfs.2023.121983] [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: 03/25/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/02/2023]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative condition that leads to memory loss and cognitive impairment over time. It is characterized by protein misfolding as well as prolonged cellular stress, such as perturbing calcium homeostasis and redox management. Numerous investigations have proven that endoplasmic reticulum failure may exhibit exacerbation of AD pathogenesis in AD patients, in-vivo and in-vitro models. The endoplasmic reticulum (ER) participates in a variety of biological functions including folding of protein, quality control, cholesterol production, and maintenance of calcium balance. A diverse range of physiological, pathological and pharmacological substances can interfere with ER activity and thus lead to exaggeration of ER stress. The unfolded protein response (UPR), an intracellular signaling network is stimulated due to ER stress. Three stress sensors found in the endoplasmic reticulum, the PERK, ATF6, and IRE1 transducers detect protein misfolding in the ER and trigger UPR, a complex system to maintain homeostasis. ER stress is linked to many of the major pathological processes that are seen in AD, including presenilin1 and 2 (PS1 and PS2) gene mutation, tau phosphorylation and β-amyloid formation. The role of ER stress and UPR in the pathophysiology of AD implies that they can be employed as potent therapeutic target. This study shows the relationship between ER and AD and how the pathogenesis of AD is influenced by the impact of ER stress. An effective method for the prevention or treatment of AD may involve therapeutic strategies that modify ER stress pathways.
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Affiliation(s)
- Pushank Nagar
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India
| | - Prajjwal Sharma
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India
| | - Rishika Dhapola
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India
| | - Sneha Kumari
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India
| | - Bikash Medhi
- Department of Pharmacology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Dibbanti HariKrishnaReddy
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Ghudda, Bathinda 151401, Punjab, India.
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15
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Chen PL, Xu GH, Li M, Zhang JY, Cheng J, Li CF, Yi LT. Yamogenin Exhibits Antidepressant-like Effects via Inhibition of ER Stress and Microglial Activation in LPS-Induced Mice. ACS Chem Neurosci 2023; 14:3173-3182. [PMID: 37579249 DOI: 10.1021/acschemneuro.3c00306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023] Open
Abstract
Depression is a multifaceted psychiatric disorder that affects a significant number of individuals worldwide, and its pathophysiology encompasses a variety of mechanisms, including the induction of endoplasmic reticulum (ER) stress, which has been correlated with depressive-like behaviors in animal models. Yamogenin, a bioactive compound derived from traditional Chinese medicine Dioscorea species, possesses diverse pharmacological properties. This investigation aimed to explore the antidepressant-like effects of yamogenin and the underlying mechanisms involved. By utilizing a murine model of lipopolysaccharide (LPS)-induced depressive-like behavior, we demonstrated that yamogenin enhanced sucrose preference and reduced immobility time in the forced swimming test. These effects were observed alongside the attenuation of ER stress through modulation of the PERK/eIF2α/ATF4/CHOP signaling pathway in the prefrontal cortex. Moreover, yamogenin augmented the expression of the antiapoptotic protein Bcl-2 while diminishing the expression of the proapoptotic protein caspase-3. Additionally, yamogenin exhibited inhibitory effects on microglial activation but did not elicit the promotion of brain-derived neurotrophic factor (BDNF) signaling. Collectively, our findings propose that yamogenin exerts antidepressant-like effects in LPS-induced mice by inhibiting ER stress and microglial activation. This study contributes novel insights into the potential utilization of yamogenin as a natural antidepressant agent.
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Affiliation(s)
- Pei-Lu Chen
- Xiamen Medicine Research Institute, Xiamen 361008, Fujian, P. R. China
- Fujian University of Traditional Chinese Medicine College of Pharmacy, Fujian 361008, Fuzhou, P. R. China
| | - Guang-Hui Xu
- Xiamen Medicine Research Institute, Xiamen 361008, Fujian, P. R. China
- Fujian University of Traditional Chinese Medicine College of Pharmacy, Fujian 361008, Fuzhou, P. R. China
| | - Ming Li
- Xiamen Medicine Research Institute, Xiamen 361008, Fujian, P. R. China
| | - Jia-Yuan Zhang
- Xiamen Medicine Research Institute, Xiamen 361008, Fujian, P. R. China
| | - Jie Cheng
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian, P. R. China
| | - Cheng-Fu Li
- Xiamen Hospital of Traditional Chinese Medicine, Xiamen 361009, Fujian, P. R. China
| | - Li-Tao Yi
- Department of Chemical and Pharmaceutical Engineering, College of Chemical Engineering, Huaqiao University, Xiamen 361021, Fujian, P. R. China
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16
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Yang YQ, Sun RF, Ge P, Li WX, Zhang X, Zhang J, Ye L, Zhang N, Wang SY, Lv MQ, Zhou DX. GRPR down-regulation inhibits spermatogenesis through Ca 2+ mediated by PLCβ/IP3R signaling pathway in long-term formaldehyde-exposed rats. Food Chem Toxicol 2023; 179:113998. [PMID: 37604300 DOI: 10.1016/j.fct.2023.113998] [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: 05/17/2023] [Revised: 08/02/2023] [Accepted: 08/17/2023] [Indexed: 08/23/2023]
Abstract
Formaldehyde (FA), which is known as an air pollutant, has been proven to induce male infertility. However, the underlying mechanism of FA-induced male infertility remains elusive. In this study, 24 male SD rats were exposed to different levels of FA (0, 0.5, 2.46, and 5 mg/m3) for eight consecutive weeks. Through HE staining and sperm smear, we observed that FA exposure resulted in spermatogenic injury and the sperm quality decreased in rats. The qRT-PCR and Western blot analysis further revealed that GRPR was down-regulated in testicular tissues of FA-exposed rats as well as primary spermatogenic cells. Meanwhile, ZDOCK uncovered an interaction between GRPR and PLCβ. In addition, the CCK8, Fluo 3-AM and Flow cytometry results showed that FA exposure suppressed the expression of GRPR, PLCβ and IP3R, consequently reducing the Ca2+ concentration in spermatogenic cells, inducing apoptosis and inhibiting proliferation of spermatogenic cells. Moreover, rescue experiments confirmed that promoting GRPR could improve intracellular Ca2+ concentration by upregulating PLCβ and IP3R, partially reducing the apoptosis and promoting the proliferation of FA-treated spermatogenic cells. These findings revealed that GRPR participates in spermatogenesis through Ca2+ mediated by the PLCβ/IP3R signaling pathway in FA-exposed rats.
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Affiliation(s)
- Yan-Qi Yang
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Rui-Fang Sun
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Pan Ge
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Wen-Xing Li
- Department of SURGICAL Oncology, Xi'an Jiaotong University Medical College First Affiliated Hospital, 277 West Yanta Road, Shaanxi, 710061, China
| | - Xiang Zhang
- Department of Electrocardiographic Diagnosis, Xi'an Children's Hospital, Xi'an, 710003, China
| | - Jian Zhang
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Lu Ye
- Medical School, Xi'an Jiaotong University, Shaanxi, 710061, China; Xi'an Fourth Hospital, Shaanxi, 710061, China
| | - Nan Zhang
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Si-Yu Wang
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China
| | - Mo-Qi Lv
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China.
| | - Dang-Xia Zhou
- Department of Pathology, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Shaanxi, 710061, China; Institute of Genetics and Developmental Biology, Xi'an Jiaotong University, Shaanxi, 710061, China.
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17
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Talukdar G, Orr HT, Lei Z. The PERK pathway: beneficial or detrimental for neurodegenerative diseases and tumor growth and cancer. Hum Mol Genet 2023; 32:2545-2557. [PMID: 37384418 PMCID: PMC10407711 DOI: 10.1093/hmg/ddad103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 07/01/2023] Open
Abstract
Protein kinase R (PKR)-like endoplasmic reticulum (ER) kinase (PERK) is one of the three major sensors in the unfolded protein response (UPR). The UPR is involved in the modulation of protein synthesis as an adaptive response. Prolonged PERK activity correlates with the development of diseases and the attenuation of disease severity. Thus, the current debate focuses on the role of the PERK signaling pathway either in accelerating or preventing diseases such as neurodegenerative diseases, myelin disorders, and tumor growth and cancer. In this review, we examine the current findings on the PERK signaling pathway and whether it is beneficial or detrimental for the above-mentioned disorders.
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Affiliation(s)
- Gourango Talukdar
- Institute for Translational Neuroscience and Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Neuroscience, University of Minnesota, Minneapolis, MN 55455, USA
| | - Harry T Orr
- Institute for Translational Neuroscience and Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
| | - Zhixin Lei
- Institute for Translational Neuroscience and Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA
- Department of Neuroscience, University of Minnesota, Minneapolis, MN 55455, USA
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18
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Perea V, Cole C, Lebeau J, Dolina V, Baron KR, Madhavan A, Kelly JW, Grotjahn DA, Wiseman RL. PERK signaling promotes mitochondrial elongation by remodeling membrane phosphatidic acid. EMBO J 2023; 42:e113908. [PMID: 37306086 PMCID: PMC10390871 DOI: 10.15252/embj.2023113908] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/05/2023] [Accepted: 05/12/2023] [Indexed: 06/13/2023] Open
Abstract
Endoplasmic reticulum (ER) stress and mitochondrial dysfunction are linked in the onset and pathogenesis of numerous diseases. This has led to considerable interest in defining the mechanisms responsible for regulating mitochondria during ER stress. The PERK signaling arm of the unfolded protein response (UPR) has emerged as a prominent ER stress-responsive signaling pathway that regulates diverse aspects of mitochondrial biology. Here, we show that PERK activity promotes adaptive remodeling of mitochondrial membrane phosphatidic acid (PA) to induce protective mitochondrial elongation during acute ER stress. We find that PERK activity is required for ER stress-dependent increases in both cellular PA and YME1L-dependent degradation of the intramitochondrial PA transporter PRELID1. These two processes lead to the accumulation of PA on the outer mitochondrial membrane where it can induce mitochondrial elongation by inhibiting mitochondrial fission. Our results establish a new role for PERK in the adaptive remodeling of mitochondrial phospholipids and demonstrate that PERK-dependent PA regulation adapts organellar shape in response to ER stress.
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Affiliation(s)
- Valerie Perea
- Department of Molecular MedicineScripps ResearchLa JollaCAUSA
| | | | - Justine Lebeau
- Department of Molecular MedicineScripps ResearchLa JollaCAUSA
| | - Vivian Dolina
- Department of Molecular MedicineScripps ResearchLa JollaCAUSA
| | - Kelsey R Baron
- Department of Molecular MedicineScripps ResearchLa JollaCAUSA
| | | | - Jeffery W Kelly
- Department of ChemistryScripps ResearchLa JollaCAUSA
- Skaggs Institute for Chemical BiologyScripps ResearchLa JollaCAUSA
| | - Danielle A Grotjahn
- Department of Integrative, Structural, and Computational BiologyScripps ResearchLa JollaCAUSA
| | - R Luke Wiseman
- Department of Molecular MedicineScripps ResearchLa JollaCAUSA
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19
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Jo SL, Yang H, Lee HW, Hong EJ. Curcumae radix Reduces Endoplasmic Reticulum Stress in Mice with Chronic Neuroinflammation. Biomedicines 2023; 11:2107. [PMID: 37626603 PMCID: PMC10452873 DOI: 10.3390/biomedicines11082107] [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: 05/22/2023] [Revised: 06/16/2023] [Accepted: 06/26/2023] [Indexed: 08/27/2023] Open
Abstract
Endoplasmic reticulum (ER) stress is a condition in which the ER protein-folding machinery is impaired, leading to the accumulation of improperly folded proteins and triggering an unfolded-protein response. Excessive ER stress causes cell death and contributes to the development of chronic diseases. Interestingly, there is a bidirectional relationship between ER stress and the nuclear factor-kappa B (NF-κB) pathway. Curcumin, a natural polyphenolic compound found in Curcumae radix, exerts its neuroprotective effects by regulating ER stress and inflammation. Therefore, investigating the potential protective and regulatory effects of curcumin on ER stress, inflammation, and neurodegeneration under chronic neuroinflammatory conditions is of great interest. Mice were pretreated with Curcumae radix extract (CRE) for 19 days and then treated with CRE plus lipopolysaccharide for 1 week. We monitored pro-inflammatory cytokine levels in the serum and ER stress-, inflammation-, and neurodegeneration-related markers in the mouse cerebrum and hippocampus using Western blotting and qRT-PCR. CRE reduced Interleukin-1 beta levels in the blood and brain of mice with lipopolysaccharide-induced chronic inflammation. CRE also suppressed the expression of markers related to the ER stress and NF-κB signaling pathways. The expression of neurodegeneration-related markers was reduced in the mouse cerebrum and hippocampus. CRE exerts neuroprotective effects under chronic inflammatory conditions via multifaceted anti-inflammatory and ER stress-pathway regulatory mechanisms.
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Affiliation(s)
- Seong-Lae Jo
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea;
| | - Hyun Yang
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea;
| | - Hye Won Lee
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea;
| | - Eui-Ju Hong
- College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Republic of Korea;
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20
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Rajeev V, Chai YL, Poh L, Selvaraji S, Fann DY, Jo DG, De Silva TM, Drummond GR, Sobey CG, Arumugam TV, Chen CP, Lai MKP. Chronic cerebral hypoperfusion: a critical feature in unravelling the etiology of vascular cognitive impairment. Acta Neuropathol Commun 2023; 11:93. [PMID: 37309012 DOI: 10.1186/s40478-023-01590-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/14/2023] Open
Abstract
Vascular cognitive impairment (VCI) describes a wide spectrum of cognitive deficits related to cerebrovascular diseases. Although the loss of blood flow to cortical regions critically involved in cognitive processes must feature as the main driver of VCI, the underlying mechanisms and interactions with related disease processes remain to be fully elucidated. Recent clinical studies of cerebral blood flow measurements have supported the role of chronic cerebral hypoperfusion (CCH) as a major driver of the vascular pathology and clinical manifestations of VCI. Here we review the pathophysiological mechanisms as well as neuropathological changes of CCH. Potential interventional strategies for VCI are also reviewed. A deeper understanding of how CCH can lead to accumulation of VCI-associated pathology could potentially pave the way for early detection and development of disease-modifying therapies, thus allowing preventive interventions instead of symptomatic treatments.
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Affiliation(s)
- Vismitha Rajeev
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore
| | - Yuek Ling Chai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore
| | - Luting Poh
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore
| | - Sharmelee Selvaraji
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore
- Integrative Sciences and Engineering Programme, NUS Graduate School, National University of Singapore, Singapore, Singapore
| | - David Y Fann
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Dong-Gyu Jo
- School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
| | - T Michael De Silva
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Victoria, Australia
| | - Grant R Drummond
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Victoria, Australia
| | - Christopher G Sobey
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Victoria, Australia
| | - Thiruma V Arumugam
- School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, Victoria, Australia
| | - Christopher P Chen
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore
- NUS Healthy Longevity Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mitchell K P Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
- Memory Aging and Cognition Centre, National University Health System, Singapore, Singapore.
- NUS Healthy Longevity Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
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21
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Yao M, Li G, Zhou LY, Zheng Z, Sun YL, Liu SF, Wang YJ, Cui XJ. Shikonin inhibits neuronal apoptosis via regulating endoplasmic reticulum stress in the rat model of double-level chronic cervical cord compression. Cell Biol Toxicol 2023; 39:907-928. [PMID: 35028790 DOI: 10.1007/s10565-021-09648-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 08/17/2021] [Indexed: 01/16/2023]
Abstract
Cervical spondylotic myelopathy (CSM) is a clinically symptomatic entity arising from the spinal cord compression by degenerative diseases. Although endoplasmic reticulum (ER) stress has been commonly observed in several neurodegenerative diseases, the relationship between ER stress and CSM remains unknown. Shikonin is known to protect PC12 by inhibiting apoptosis in vitro. This study hypothesised that ER stress was vital in neuronal apoptosis in CSM. Shikonin might inhibit such responses by regulating ER stress through the protein kinase-like ER kinase-eukaryotic translation initiation factor 2 α-subunit-C/EBP homologous protein (PERK-eIF2α-CHOP) signalling pathway. Thus, the aim of this study was evaluating the neuroprotective effect of shikonin in rats with double-level chronic cervical cord compression, as well as primary rat cortical neurons with glutamate-induced neurotoxicity. The result showed that ER stress-related upregulation of PERK-eIF2α-CHOP resulted in rat neuronal apoptosis after chronic cervical cord compression; then, shikonin promoted motor recovery and inhibited neuronal apoptosis by attenuating PERK-eIF2α-CHOP and prevented Bax translocation from cytoplasm to mitochondrion induced by CHOP of neurons in rats with chronic compression. Also, it was found that shikonin could protect rat primary cortical neuron against glutamate toxicity by regulating ER stress through the PERK-eIF2α-CHOP pathway in vitro. In conclusion, shikonin might inhibit neuronal apoptosis by regulating ER stress through attenuating the activation of PERK-eIF2α-CHOP.
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Affiliation(s)
- Min Yao
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Gan Li
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Long-Yun Zhou
- Rehabilitation Medicine Center, Jiangsu Provincial People's Hospital, Jiangsu, 210029, China
| | - Zhong Zheng
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Yue-Li Sun
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Shu-Fen Liu
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Yong-Jun Wang
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China.
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Xue-Jun Cui
- Spine Disease Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Shanghai, 200032, China.
- Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
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22
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Xue X, Wu X, Liu L, Liu L, Zhu F. ERVW-1 Activates ATF6-Mediated Unfolded Protein Response by Decreasing GANAB in Recent-Onset Schizophrenia. Viruses 2023; 15:1298. [PMID: 37376599 DOI: 10.3390/v15061298] [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: 04/28/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
Schizophrenia, a mental disorder, afflicts 1% of the worldwide population. The dysregulation of homeostasis in the endoplasmic reticulum (ER) has been implicated in schizophrenia. Moreover, recent studies indicate that ER stress and the unfolded protein response (UPR) are linked to this mental disorder. Our previous research has verified that endogenous retrovirus group W member 1 envelope (ERVW-1), a risk factor for schizophrenia, is elevated in individuals with schizophrenia. Nevertheless, no literature is available regarding the underlying relationship between ER stress and ERVW-1 in schizophrenia. The aim of our research was to investigate the molecular mechanism connecting ER stress and ERVW-1 in schizophrenia. Here, we employed Gene Differential Expression Analysis to predict differentially expressed genes (DEGs) in the human prefrontal cortex of schizophrenic patients and identified aberrant expression of UPR-related genes. Subsequent research indicated that the UPR gene called XBP1 had a positive correlation with ATF6, BCL-2, and ERVW-1 in individuals with schizophrenia using Spearman correlation analysis. Furthermore, results from the enzyme-linked immunosorbent assay (ELISA) suggested increased serum protein levels of ATF6 and XBP1 in schizophrenic patients compared with healthy controls, exhibiting a strong correlation with ERVW-1 using median analysis and Mann-Whitney U analysis. However, serum GANAB levels were decreased in schizophrenic patients compared with controls and showed a significant negative correlation with ERVW-1, ATF6, and XBP1 in schizophrenic patients. Interestingly, in vitro experiments verified that ERVW-1 indeed increased ATF6 and XBP1 expression while decreasing GANAB expression. Additionally, the confocal microscope experiment suggested that ERVW-1 could impact the shape of the ER, leading to ER stress. GANAB was found to participate in ER stress regulated by ERVW-1. In conclusion, ERVW-1 induced ER stress by suppressing GANAB expression, thereby upregulating the expression of ATF6 and XBP1 and ultimately contributing to the development of schizophrenia.
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Affiliation(s)
- Xing Xue
- State Key Laboratory of Virology, Department of Medical Microbiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Xiulin Wu
- State Key Laboratory of Virology, Department of Medical Microbiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
| | - Lijuan Liu
- State Key Laboratory of Virology, Department of Medical Microbiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Province Key Laboratory of Allergy & Immunology, Wuhan University, Wuhan 430071, China
| | | | - Fan Zhu
- State Key Laboratory of Virology, Department of Medical Microbiology, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, China
- Hubei Province Key Laboratory of Allergy & Immunology, Wuhan University, Wuhan 430071, China
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23
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Chen F, Wang N, Tian X, Su J, Qin Y, He R, He X. The Protective Effect of Mangiferin on Formaldehyde-Induced HT22 Cell Damage and Cognitive Impairment. Pharmaceutics 2023; 15:1568. [PMID: 37376018 DOI: 10.3390/pharmaceutics15061568] [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: 03/10/2023] [Revised: 04/28/2023] [Accepted: 05/18/2023] [Indexed: 06/29/2023] Open
Abstract
Formaldehyde (FA) has been found to induce major Alzheimer's disease (AD)-like features including cognitive impairment, Aβ deposition, and Tau hyperphosphorylation, suggesting that it may play a significant role in the initiation and progression of AD. Therefore, elucidating the mechanism underlying FA-induced neurotoxicity is crucial for exploring more comprehensive approaches to delay or prevent the development of AD. Mangiferin (MGF) is a natural C-glucosyl-xanthone with promising neuroprotective effects, and is considered to have potential in the treatment of AD. The present study was designed to characterize the effects and mechanisms by which MGF protects against FA-induced neurotoxicity. The results in murine hippocampal cells (HT22) revealed that co-treatment with MGF significantly decreased FA-induced cytotoxicity and inhibited Tau hyperphosphorylation in a dose-dependent manner. It was further found that these protective effects were achieved by attenuating FA-induced endoplasmic reticulum stress (ERS), as indicated by the inhibition of the ERS markers, GRP78 and CHOP, and downstream Tau-associated kinases (GSK-3β and CaMKII) expression. In addition, MGF markedly inhibited FA-induced oxidative damage, including Ca2+ overload, ROS generation, and mitochondrial dysfunction, all of which are associated with ERS. Further studies showed that the intragastric administration of 40 mg/kg/day MGF for 6 weeks significantly improved spatial learning ability and long-term memory in C57/BL6 mice with FA-induced cognitive impairment by reducing Tau hyperphosphorylation and the expression of GRP78, GSK-3β, and CaMKII in the brains. Taken together, these findings provide the first evidence that MGF exerts a significant neuroprotective effect against FA-induced damage and ameliorates mice cognitive impairment, the possible underlying mechanisms of which are expected to provide a novel basis for the treatment of AD and diseases caused by FA pollution.
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Affiliation(s)
- Fan Chen
- School of Basic Medical Sciences, Dali University, Dali 671003, China
| | - Na Wang
- School of Basic Medical Sciences, Dali University, Dali 671003, China
| | - Xinyan Tian
- School of Basic Medical Sciences, Dali University, Dali 671003, China
| | - Juan Su
- School of Basic Medical Sciences, Dali University, Dali 671003, China
| | - Yan Qin
- School of Basic Medical Sciences, Dali University, Dali 671003, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100045, China
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100045, China
| | - Xiaping He
- School of Basic Medical Sciences, Dali University, Dali 671003, China
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Brondani M, Roginski AC, Ribeiro RT, de Medeiros MP, Hoffmann CIH, Wajner M, Leipnitz G, Seminotti B. Mitochondrial dysfunction, oxidative stress, ER stress and mitochondria-ER crosstalk alterations in a chemical rat model of Huntington's disease: potential benefits of bezafibrate. Toxicol Lett 2023; 381:48-59. [PMID: 37116597 DOI: 10.1016/j.toxlet.2023.04.011] [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: 08/22/2022] [Revised: 03/28/2023] [Accepted: 04/24/2023] [Indexed: 04/30/2023]
Abstract
Redox homeostasis, mitochondrial functions, and mitochondria-endoplasmic reticulum (ER) communication were evaluated in the striatum of rats after 3-nitropropionic acid (3-NP) administration, a recognized chemical model of Huntington's disease (HD). 3-NP impaired redox homeostasis by increasing malondialdehyde levels at 28 days, decreasing glutathione (GSH) concentrations at 21 and 28 days, and the activities of glutathione peroxidase (GPx), superoxide dismutase (SOD) and glutathione S-transferase at 7, 21, and 28 days, catalase at 21 days, and glutathione reductase at 21 and 28 days. Impairment of mitochondrial respiration at 7 and 28 days after 3-NP administration was also observed, as well as reduced activities of succinate dehydrogenase (SDH) and respiratory chain complexes. 3-NP also impaired mitochondrial dynamics and the interactions between ER and mitochondria and induced ER-stress by increasing the levels of mitofusin-1, and of DRP1, VDAC1, Grp75 and Grp78. Synaptophysin levels were augmented at 7 days but reduced at 28 days after 3-NP injection. Finally, bezafibrate prevented 3-NP-induced alterations of the activities of SOD, GPx, SDH and respiratory chain complexes, DCFH oxidation and on the levels of GSH, VDAC1 and synaptophysin. Mitochondrial dysfunction and synaptic disruption may contribute to the pathophysiology of HD and bezafibrate may be considered as an adjuvant therapy for this disorder.
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Affiliation(s)
- Morgana Brondani
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ana Cristina Roginski
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rafael Teixeira Ribeiro
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maria Paula de Medeiros
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Prédio, 21111, Porto Alegre, RS, 90035-003, Brazil
| | - Chrístofer Ian Hernandez Hoffmann
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Prédio, 21111, Porto Alegre, RS, 90035-003, Brazil
| | - Moacir Wajner
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Prédio, 21111, Porto Alegre, RS, 90035-003, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, Porto Alegre, RS, 90035-007, Brazil
| | - Guilhian Leipnitz
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Prédio, 21111, Porto Alegre, RS, 90035-003, Brazil; Programa de Pós-Graduação em Ciências Biológicas: Fisiologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Bianca Seminotti
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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25
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Karami F, Jamaati H, Coleman-Fuller N, Zeini MS, Hayes AW, Gholami M, Salehirad M, Darabi M, Motaghinejad M. Is metformin neuroprotective against diabetes mellitus-induced neurodegeneration? An updated graphical review of molecular basis. Pharmacol Rep 2023; 75:511-543. [PMID: 37093496 DOI: 10.1007/s43440-023-00469-1] [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: 10/05/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 04/25/2023]
Abstract
Diabetes mellitus (DM) is a metabolic disease that activates several molecular pathways involved in neurodegenerative disorders. Metformin, an anti-hyperglycemic drug used for treating DM, has the potential to exert a significant neuroprotective role against the detrimental effects of DM. This review discusses recent clinical and laboratory studies investigating the neuroprotective properties of metformin against DM-induced neurodegeneration and the roles of various molecular pathways, including mitochondrial dysfunction, oxidative stress, inflammation, apoptosis, and its related cascades. A literature search was conducted from January 2000 to December 2022 using multiple databases including Web of Science, Wiley, Springer, PubMed, Elsevier Science Direct, Google Scholar, the Core Collection, Scopus, and the Cochrane Library to collect and evaluate peer-reviewed literature regarding the neuroprotective role of metformin against DM-induced neurodegenerative events. The literature search supports the conclusion that metformin is neuroprotective against DM-induced neuronal cell degeneration in both peripheral and central nervous systems, and this effect is likely mediated via modulation of oxidative stress, inflammation, and cell death pathways.
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Affiliation(s)
- Fatemeh Karami
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamidreza Jamaati
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Natalie Coleman-Fuller
- Department of Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Maryam Shokrian Zeini
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Wallace Hayes
- University of South Florida College of Public Health and Institute for Integrative Toxicology, Michigan State University, East Lansing, USA
| | - Mina Gholami
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Salehirad
- Cognitive and Neuroscience Research Center (CNRC), Amir-Almomenin Hospital, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad Darabi
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Motaghinejad
- Chronic Respiratory Disease Research Center (CRDRC), National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Bernal AF, Mota N, Pamplona R, Area-Gomez E, Portero-Otin M. Hakuna MAM-Tata: Investigating the role of mitochondrial-associated membranes in ALS. Biochim Biophys Acta Mol Basis Dis 2023; 1869:166716. [PMID: 37044239 DOI: 10.1016/j.bbadis.2023.166716] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/03/2023] [Indexed: 04/14/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disease leading to selective and progressive motor neuron (MN) death. Despite significant heterogeneity in pathogenic and clinical terms, MN demise ultimately unifies patients. Across the many disturbances in neuronal biology present in the disease and its models, two common trends are loss of calcium homeostasis and dysregulations in lipid metabolism. Since both mitochondria and endoplasmic reticulum (ER) are essential in these functions, their intertwin through the so-called mitochondrial-associated membranes (MAMs) should be relevant in this disease. In this review, we present a short overview of MAMs functional aspects and how its dysfunction could explain a substantial part of the cellular disarrangements in ALS's natural history. MAMs are hubs for lipid synthesis, integrating glycerophospholipids, sphingolipids, and cholesteryl ester metabolism. These lipids are essential for membrane biology, so there should be a close coupling to cellular energy demands, a role that MAMs may partially fulfill. Not surprisingly, MAMs are also host part of calcium signaling to mitochondria, so their impairment could lead to mitochondrial dysfunction, affecting oxidative phosphorylation and enhancing the vulnerability of MNs. We present data supporting that MAMs' maladaptation could be essential to MNs' vulnerability in ALS.
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Affiliation(s)
- Anna Fernàndez Bernal
- Metabolic Pathophysiology Research Group, Department of Experimental Medicine, University of Lleida-IRBLleida, Edifici Biomedicina I, Avda Rovira Roure 80, E25196 Lleida, Spain.
| | - Natàlia Mota
- Metabolic Pathophysiology Research Group, Department of Experimental Medicine, University of Lleida-IRBLleida, Edifici Biomedicina I, Avda Rovira Roure 80, E25196 Lleida, Spain.
| | - Reinald Pamplona
- Metabolic Pathophysiology Research Group, Department of Experimental Medicine, University of Lleida-IRBLleida, Edifici Biomedicina I, Avda Rovira Roure 80, E25196 Lleida, Spain.
| | - Estela Area-Gomez
- Centro de Investigaciones Biológicas Margarita Salas CSIC, C. Ramiro de Maeztu, 9, 28040 Madrid, Spain.
| | - Manuel Portero-Otin
- Metabolic Pathophysiology Research Group, Department of Experimental Medicine, University of Lleida-IRBLleida, Edifici Biomedicina I, Avda Rovira Roure 80, E25196 Lleida, Spain.
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Yang T, Zhang Y, Chen L, Thomas ER, Yu W, Cheng B, Li X. The potential roles of ATF family in the treatment of Alzheimer's disease. Biomed Pharmacother 2023; 161:114544. [PMID: 36934558 DOI: 10.1016/j.biopha.2023.114544] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/07/2023] [Accepted: 03/14/2023] [Indexed: 03/20/2023] Open
Abstract
Activating transcription factors, ATFs, is a family of transcription factors that activate gene expression and transcription by recognizing and combining the cAMP response element binding proteins (CREB). It is present in various viruses as a cellular gene promoter. ATFs is involved in regulating the mammalian gene expression that is associated with various cell physiological processes. Therefore, ATFs play an important role in maintaining the intracellular homeostasis. ATF2 and ATF3 is mostly involved in mediating stress responses. ATF4 regulates the oxidative metabolism, which is associated with the survival of cells. ATF5 is presumed to regulate apoptosis, and ATF6 is involved in the regulation of endoplasmic reticulum stress (ERS). ATFs is actively studied in oncology. At present, there has been an increasing amount of research on ATFs for the treatment of neurological diseases. Here, we have focused on the different types of ATFs and their association with Alzheimer's disease (AD). The level of expression of different ATFs have a significant difference in AD patients when compared to healthy control. Recent studies have suggested that ATFs are implicated in the pathogenesis of AD, such as neuronal repair, maintenance of synaptic activity, maintenance of cell survival, inhibition of apoptosis, and regulation of stress responses. In this review, the potential role of ATFs for the treatment of AD has been highlighted. In addition, we have systematically reviewed the progress of research on ATFs in AD. This review will provide a basic and innovative understanding on the pathogenesis and treatment of AD.
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Affiliation(s)
- Ting Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou 646000, China
| | - Yuhong Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou 646000, China
| | - Lixuan Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou 646000, China
| | | | - Wenjing Yu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou 646000, China
| | - Bo Cheng
- Department of Urology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China; Sichuan Clinical Research Center for Nephropathy, Luzhou 646000, China.
| | - Xiang Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Southwest Medical University, Luzhou 646000, China.
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Lozada Ortiz J, Betancor M, Pérez Lázaro S, Bolea R, Badiola JJ, Otero A. Endoplasmic reticulum stress and ubiquitin-proteasome system impairment in natural scrapie. Front Mol Neurosci 2023; 16:1175364. [PMID: 37152434 PMCID: PMC10160437 DOI: 10.3389/fnmol.2023.1175364] [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: 02/27/2023] [Accepted: 04/06/2023] [Indexed: 05/09/2023] Open
Abstract
Chronic accumulation of misfolded proteins such as PrPSc can alter the endoplasmic reticulum homeostasis triggering the unfolded protein response (UPR). In this pathogenic event, the molecular chaperones play an important role. Several reports in humans and animals have suggested that neurodegeneration is related to endoplasmic reticulum stress in diseases caused by the accumulation of misfolded proteins. In this study, we investigated the expression of three endoplasmic reticulum stress markers: PERK (protein kinase R-like endoplasmic reticulum kinase), BiP (binding immunoglobulin protein), and PDI (Protein Disulfide Isomerase). In addition, we evaluated the accumulation of ubiquitin as a marker for protein degradation mediated by the proteasome. These proteins were studied in brain tissues of sheep affected by scrapie in clinical and preclinical stages of the disease. Results were compared with those observed in healthy controls. Scrapie-infected sheep showed significant higher levels of PERK, BiP/Grp78 and PDI than healthy animals. As we observed before in models of spontaneous prion disease, PDI was the most altered ER stress marker between scrapie-infected and healthy sheep. Significantly increased intraneuronal and neuropil ubiquitinated deposits were observed in certain brain areas in scrapie-affected animals compared to controls. Our results suggest that the neuropathological and neuroinflammatory phenomena that develop in prion diseases cause endoplasmic reticulum stress in brain cells triggering the UPR. In addition, the significantly higher accumulation of ubiquitin aggregates in scrapie-affected animals suggests an impairment of the ubiquitin-proteasome system in natural scrapie. Therefore, these proteins may contribute as biomarkers and/or therapeutic targets for prion diseases.
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Psychiatric Diagnoses and Medications in Wolfram Syndrome. Scand J Child Adolesc Psychiatr Psychol 2022; 10:163-174. [PMID: 36687263 PMCID: PMC9828213 DOI: 10.2478/sjcapp-2022-0017] [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] [Indexed: 01/01/2023] Open
Abstract
Background Wolfram Syndrome is a rare genetic disorder usually resulting from pathogenic variation in the WFS1 gene, which leads to an exaggerated endoplasmic reticulum (ER) stress response. The disorder is typically characterized by diabetes insipidus, diabetes mellitus, optic nerve atrophy, hearing loss, and neurodegenerative features. Existing literature suggests it may also have psychiatric manifestations. Objective To examine lifetime psychiatric diagnoses and medication history in Wolfram Syndrome. Method Child, adolescent, and young adult Wolfram Syndrome participants (n=39) were assessed by a child & adolescent psychiatrist to determine best estimate DSM-5 lifetime psychiatric diagnoses as well as psychoactive medication history. In addition, the Child & Adolescent Symptom Inventory-5 (CASI-5) Parent Checklist was used to determine likely psychiatric diagnoses based on symptom counts in Wolfram Syndrome patients (n=33), type 1 diabetes (n=15), and healthy comparison (n=18) groups. Results Study participants with Wolfram Syndrome had high lifetime rates of anxiety disorders (77%). Also, 31% had an obsessive-compulsive spectrum disorder, 33% had a mood disorder, 31% had a neurodevelopmental or disruptive behavior disorder, and 31% had a sleep-wake disorder. More than half of Wolfram Syndrome participants had taken at least one psychoactive medication, and one third had taken at least one selective serotonin reuptake inhibitor (SSRI). Some individuals reported poor response to sertraline but better response after switching to another SSRI (fluoxetine or citalopram). In general, people with Wolfram Syndrome often reported benefit from psychotherapy and/or commonly used psychoactive medications appropriate for their psychiatric diagnoses. Conclusions Wolfram Syndrome may be associated with elevated risk for anxiety and obsessive-compulsive spectrum disorders, which seem generally responsive to usual treatments for these disorders.
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Ochneva A, Zorkina Y, Abramova O, Pavlova O, Ushakova V, Morozova A, Zubkov E, Pavlov K, Gurina O, Chekhonin V. Protein Misfolding and Aggregation in the Brain: Common Pathogenetic Pathways in Neurodegenerative and Mental Disorders. Int J Mol Sci 2022; 23:ijms232214498. [PMID: 36430976 PMCID: PMC9695177 DOI: 10.3390/ijms232214498] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/07/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022] Open
Abstract
Mental disorders represent common brain diseases characterized by substantial impairments of social and cognitive functions. The neurobiological causes and mechanisms of psychopathologies still have not been definitively determined. Various forms of brain proteinopathies, which include a disruption of protein conformations and the formation of protein aggregates in brain tissues, may be a possible cause behind the development of psychiatric disorders. Proteinopathies are known to be the main cause of neurodegeneration, but much less attention is given to the role of protein impairments in psychiatric disorders' pathogenesis, such as depression and schizophrenia. For this reason, the aim of this review was to discuss the potential contribution of protein illnesses in the development of psychopathologies. The first part of the review describes the possible mechanisms of disruption to protein folding and aggregation in the cell: endoplasmic reticulum stress, dysfunction of chaperone proteins, altered mitochondrial function, and impaired autophagy processes. The second part of the review addresses the known proteins whose aggregation in brain tissue has been observed in psychiatric disorders (amyloid, tau protein, α-synuclein, DISC-1, disbindin-1, CRMP1, SNAP25, TRIOBP, NPAS3, GluA1, FABP, and ankyrin-G).
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Affiliation(s)
- Aleksandra Ochneva
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
- Correspondence: ; Tel.: +7-915-670-39-35
| | - Yana Zorkina
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Abramova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Pavlova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Valeriya Ushakova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
- Department of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Anna Morozova
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Eugene Zubkov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Konstantin Pavlov
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Healthcare Department, Mental-Health Clinic No. 1 Named after N.A. Alexeev of Moscow, 117152 Moscow, Russia
| | - Olga Gurina
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
| | - Vladimir Chekhonin
- Department Basic and Applied Neurobiology, V.P. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, 119034 Moscow, Russia
- Department of Medical Nanobiotechnology, Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- National University of Science and Technology “MISiS”, Leninskiy Avenue 4, 119049 Moscow, Russia
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Liao XX, Wu XY, Zhou YL, Li JJ, Wen YL, Zhou JJ. Gut microbiome metabolites as key actors in atherosclerosis co-depression disease. Front Microbiol 2022; 13:988643. [PMID: 36439791 PMCID: PMC9686300 DOI: 10.3389/fmicb.2022.988643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 10/24/2022] [Indexed: 02/26/2024] Open
Abstract
Cardiovascular diseases, mainly characterized by atherosclerosis (AS), and depression have a high comorbidity rate. However, previous studies have been conducted under a single disease, and there is a lack of studies in comorbid states to explore the commonalities in the pathogenesis of both diseases. Modern high-throughput technologies have made it clear that the gut microbiome can affect the development of the host's own disorders and have shown that their metabolites are crucial to the pathophysiology of AS and depression. The aim of this review is to summarize the current important findings on the role of gut microbiome metabolites such as pathogen-associated molecular patterns, bile acids, tryptophan metabolites, short-chain fatty acids, and trimethylamine N -oxide in depression and AS disease, with the aim of identifying potential biological targets for the early diagnosis and treatment of AS co-depression disorders.
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Affiliation(s)
- Xing-Xing Liao
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou, China
| | - Xiao-Yun Wu
- School of Basic Medicine, Gannan Medical University, Ganzhou, China
| | - Yu-Long Zhou
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou, China
| | - Jia-Jun Li
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou, China
| | - You-Liang Wen
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou, China
| | - Jun-Jie Zhou
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou, China
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases of Ministry of Education, Gannan Medical University, Ganzhou, China
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Wang Y, Liu Z, Wei J, Di L, Wang S, Wu T, Li N. Norlignans and phenolics from genus Curculigo protect corticosterone-injured neuroblastoma cells SH-SY5Y by inhibiting endoplasmic reticulum stress-mitochondria pathway. JOURNAL OF ETHNOPHARMACOLOGY 2022; 296:115430. [PMID: 35659626 DOI: 10.1016/j.jep.2022.115430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/22/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The plants of genus Curculigo are divided into the Section Curculigo and the Section Capitulata, which are mainly distributed in southeastern and southwestern China. Various ancient chinese books record that these plants were used as an important herb for tonifying kidney yang. Traditional Chinese medicine often draws on this property to treat depression syndrome. Thus genus Curculigo has potential for the treatment of neurodegenerative diseases (ND). The study showed that phenolics were the main characteristic components of plants in the Section Curculigo, represented by orcinol glucoside and curculigoside; the norlignans, with Ph-C5-Ph as the basic backbone, were the main characteristic components of the Section Capitulata. However, there is a lack of sufficient scientific evidence as to whether these two types of ingredients have neuroprotective effects. AIM OF THE STUDY To determine the neuroprotective effects of phenolics and norlignans in genus Curculigo on human neuroblastoma cells SH-SY5Y. To discuss their structure-activity relationship and screen for compounds with high activity and neuroprotective effects. To reveal that the amelioration of endoplasmic reticulum (ER) stress by two classes of compounds is mediated by the PERK/eIF2α/ATF4 pathway. MATERIALS AND METHODS The cytotoxicity of 17 compounds was assayed by MTT. SH-SY5Y cells were damaged by corticosterone (Cort) (200 μM) for 24 h and then co-administered with 17 compounds (0.1-100 μM) and Cort (200 μM) for 24 h. Cell survival was determined by MTT assay. Apoptosis rate, mitochondrial membrane potential (MMP) and intracellular reactive oxygen species (ROS) levels were detected using flow cytometry. Intracellular Ca2+ levels were detected using a fluorescent probe. Cellular mitochondrial and ER damage was observed using transmission electron microscopy (TEM). ER stress and apoptotic pathway-related proteins (BiP, CHOP, cleaved caspase-3, cleaved caspase-9, Bax/Bcl-2), and the expression level of PERK/eIF2α/ATF4 pathway was measured via western blot (WB). RESULTS The experimental data showed that Cort treatment of SH-SY5Y cells resulted in decreased cell survival and increased apoptosis, mitochondrial depolarization, ROS, and intracellular Ca2+ levels. The co-action of 17 compounds and Cort for a period of time significantly increased cell survival. Compounds 3, 7, 12, 13 also reduced apoptosis rate, mitochondrial depolarization, ROS and intracellular Ca2+ levels in the subsequent experiments. In addition, TEM observed that Cort caused mitochondrial and ER damage, and the damage was improved after treatment. WB analysis obtained that Cort increased the expression of apoptotic and ER stress-related proteins and activated pathway expression. However, in the presence of compounds 3, 7, 12, 13, the expression of BiP, CHOP, cleaved caspase-3, cleaved caspase-9, and Bax/Bcl-2 was significantly reduced, and the phosphorylation of PERK and eIF2α and the expression of ATF4 were inhibited. CONCLUSION This study found that one phenolic (3) and three norlignans (7, 12, 13) from genus Curculigo have significant neuroprotective effects. The results of the structure-activity relationship indicated that the glucosyl polymeric norlignans and the phenolics with benzoic acid as the parent nucleus were more active. The neuroprotective effect of three norlignans is the latest discovery. This finding has important research value in the field of prevention and treatment of neurodegenerative diseases.
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Affiliation(s)
- Ying Wang
- School of Pharmacy, Anhui Medical University, Hefei, China.
| | - Zhenzhen Liu
- School of Pharmacy, Anhui Medical University, Hefei, China.
| | - Juanru Wei
- School of Pharmacy, Anhui Medical University, Hefei, China.
| | - Lei Di
- School of Pharmacy, Anhui Medical University, Hefei, China.
| | - Sheng Wang
- Center for Scientific Research of Anhui Medical University, Hefei, China.
| | - Tingni Wu
- School of Pharmacy, Anhui Medical University, Hefei, China.
| | - Ning Li
- School of Pharmacy, Anhui Medical University, Hefei, China.
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Orthogonally-tunable and ER-targeting fluorophores detect avian influenza virus early infection. Nat Commun 2022; 13:5841. [PMID: 36192426 PMCID: PMC9529605 DOI: 10.1038/s41467-022-33586-1] [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: 11/16/2021] [Accepted: 09/23/2022] [Indexed: 11/08/2022] Open
Abstract
Cell-based assays can monitor virus infection at a single-cell level with high sensitivity and cost-efficiency. For this purpose, it is crucial to develop molecular probes that respond selectively to physiological changes in live cells. We report stimuli-responsive light-emitters built on a T-shaped benzimidazole platform, and consecutive borylation reactions to produce a library of homologs displaying systematic changes in fluorescence quantum yield and environmental sensitivity. We find that certain fluorophores localize selectively at the endoplasmic reticulum, and interact with proteins involved in the stress signaling pathways. Notably, the mono-borylated compound responds selectively to the stress conditions by enhancing fluorescence, and detects avian influenza virus infection at the single-cell level. Our findings demonstrate the unprecedented practical utility of the stress-responsive molecular probes to differentiate cellular states for early diagnosis. Methods to detect and distinguish the early stage of viral infection often involve complicated and time-consuming protocols. Here, the authors disclose a class of fluorescent molecules that enable fast detection of avian influenza virus infection by selectively localizing at the endoplasmic reticulum in the cell.
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Analysis of SOD2 rs4880 Genetic Variant in Patients with Alzheimer’s Disease. Curr Issues Mol Biol 2022; 44:4406-4414. [PMID: 36286017 PMCID: PMC9600469 DOI: 10.3390/cimb44100302] [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: 08/02/2022] [Revised: 09/16/2022] [Accepted: 09/16/2022] [Indexed: 11/24/2022] Open
Abstract
A few gene loci that contribute to Alzheimer’s Disease (AD) onset have been identified. Few studies have been published about the relationship between SOD2 rs4880 single nucleotide variant and AD, revealing inconsistent results. Therefore, the aim of the current study is to further examine the role of the SOD2 rs4880 in AD. We performed a case-control study with a total of 641 subjects (320 patients with probable AD, and 321 healthy controls). The statistical analysis was performed assuming five genetic models. The threshold for statistical significance was set at 0.05. The results revealed no association between SOD2 rs4880 and AD in any of the assumed genetic models that were examined [log-additive OR = 0.95 (0.76–1.19), over-dominant OR = 1.15 (0.85–1.57), recessive OR = 0.85 (0.59–1.22), dominant OR = 1.03 (0.72–1.47), and co-dominant OR1 = 1.10 (0.75–1.60) and OR2 = 0.90 (0.58–1.40)]. Adjustment for sex and subgroup analyses based on sex did not reveal any statistically significant results either. Based on our findings, SOD2 rs4880 does not appear to play a determining role in the risk of developing AD. Larger studies are warranted to elucidate the connection between rs4880 and AD.
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Fang X, Han Q, Li S, Luo A. Melatonin attenuates spatial learning and memory dysfunction in developing rats by suppressing isoflurane-induced endoplasmic reticulum stress via the SIRT1/Mfn2/PERK signaling pathway. Heliyon 2022; 8:e10326. [PMID: 36091956 PMCID: PMC9459431 DOI: 10.1016/j.heliyon.2022.e10326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/03/2022] [Accepted: 08/12/2022] [Indexed: 11/29/2022] Open
Abstract
Use of the inhalation anesthetic isoflurane may increase the risk of cognitive deficiency and neurotoxicity after birth. A growing body of evidence suggests that melatonin is an effective treatment for various types of oxidative stress damage and neurodegenerative disease. In this study, we aimed to examine the effects of melatonin on isoflurane-induced endoplasmic reticulum (ER) stress, spatial learning and memory impairment during development. The rats were grouped according to whether the rats were exposed to isoflurane or a control gas and whether they were administered melatonin or phosphate buffered saline (PBS). We administered isoflurane to 7-day-old Sprague–Dawley rat pups with intraperitoneal injections of melatonin (20 mg/kg) 15 min before and 3 h after the initiation of anesthesia. Twelve hours after isoflurane anesthesia, rats were randomly selected from each group and sacrificed. The hippocampal tissue and serum were collected to determine the levels of SIRT1, Mfn2, PERK, and other proteins or cytokines related to ER stress, apoptosis, and neuroinflammation. Subsequently, all remaining rats were assessed for spatial learning and memory deficiency 31 days after birth using the Morris water maze test. We found that melatonin attenuated isoflurane-induced ER stress and neuroapoptosis in the hippocampus and decreased the level of neuroinflammatory markers in the serum of newborn rats, resulting in improved spatial learning and memory. In addition, the neuroprotective effect of melatonin was weakened after the SIRT1/Mfn2/PERK signaling pathway was suppressed by lentivirus transfection. Therefore, our findings demonstrate that melatonin ameliorates spatial learning and memory impairment after isoflurane exposure, and these beneficial effects are associated with a reduction in ER stress, neuroapoptosis, and neuroinflammation via the SIRT1/Mfn2/PERK signaling pathway.
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Yang B, Zhang T, Wei L, Zhao B, Wang Q, Yao Z, Yi S. Glucocorticoid induces GSDMD-dependent pyrolysis in PC12 cells via endoplasmic reticulum stress. PLoS One 2022; 17:e0274057. [PMID: 36048803 PMCID: PMC9436126 DOI: 10.1371/journal.pone.0274057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 08/18/2022] [Indexed: 11/18/2022] Open
Abstract
Objective The present study explored whether pyroptosis is involved in the injury process of PC12 cells induced by glucocorticoid (GC) and the regulatory relationship between endoplasmic reticulum stress (ERS) and pyrolysis. Methods LDH leakage of PC12 cells was detected by LDH assay. The number of dead cells was detected by SYTOX green nucleic acid staining. The levels of IL-1β and IL-18 in the supernatants was detected by ELSIA assay. The expression levels of glucose regulated protein 78 (GRP78), cleaved gasdermin D-NT (cleaved-GSDMD-NT), NLR-pyrin domain-containing 3 (NLRP3) and cleaved-caspase-1 were observed by immunofluorescence staining and western blot. Results The LDH assay revealed that GC exposure significantly increased the release of LDH. The results of SYTOX green acid staining showed that GC exposure significantly increased the number of SYTOX green acid-positive cells. The ELSIA assay revealed that GC exposure significantly increased the levels of IL-1β and IL-18 in the supernatants. The results of immunofluorescence staining and western blot showed that GC exposure significantly increased the expression of GRP78, cleaved-GSDMD-NT, NLRP3 and cleaved caspase-1. Treatment with the ERS inhibitor tauroursodeoxycholate (TUDCA) and siRNA GSDMD attenuated related damage and downregulated the expression of the abovementioned proteins. Conclusion The present study clearly demonstrated that GC exposure can induce GSDMD-dependent pyrolysis, and ERS is involved in the above damage process.
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Affiliation(s)
- Bin Yang
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- The Second Affiliated Hospital of Xinxiang Medical University, Henan Mental Hospital, Xinxiang, Henan, China
- Lifestyle Science Cluster, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Tengteng Zhang
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Lai Wei
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Bin Zhao
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Qingzhi Wang
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
| | - Zhijun Yao
- School of Basic Medical Science, Xinxiang Medical University, Xinxiang, Henan, China
| | - Shanyong Yi
- Xinxiang Key Laboratory of Forensic Toxicology, School of Forensic Medicine, Xinxiang Medical University, Xinxiang, Henan, China
- * E-mail:
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Correia da Silva D, Valentão P, Andrade PB, Pereira DM. A Pipeline for Natural Small Molecule Inhibitors of Endoplasmic Reticulum Stress. Front Pharmacol 2022; 13:956154. [PMID: 35935873 PMCID: PMC9354955 DOI: 10.3389/fphar.2022.956154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 06/21/2022] [Indexed: 01/22/2024] Open
Abstract
The homeostasis of eukaryotic cells is inseverable of that of the endoplasmic reticulum (ER). The main function of this organelle is the synthesis and folding of a significant portion of cellular proteins, while it is also the major calcium reservoir of the cell. Upon unresolved ER stress, a set of stress response signaling pathways that are collectively labeled as the unfolded protein response (UPR) is activated. Prolonged or intense activation of this molecular machinery may be deleterious. It is known that compromised ER homeostasis, and consequent UPR activation, characterizes the pathogenesis of neurodegenerative diseases. In an effort to discover new small molecules capable of countering ER stress, we subjected a panel of over 100 natural molecules to a battery of assays designed to evaluate several hallmarks of ER stress. The protective potential of these compounds against ER stress was evaluated at the levels of calcium homeostasis, key gene and protein expression, and levels of protein aggregation in fibroblasts. The most promising compounds were subsequently tested in neuronal cells. This framework resulted in the identification of several bioactive molecules capable of countering ER stress and deleterious events associated to it. Delphinidin stands out as the most promising candidate against neurodegeneration. This compound significantly inhibited the expression of UPR biomarkers, and displayed a strong potential to inhibit protein aggregation in the two aforementioned cell models. Our results indicate that natural products may be a valuable resource in the development of an effective therapeutic strategy against ER stress-related diseases.
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Affiliation(s)
| | | | | | - David M. Pereira
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
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Carreras-Sureda A, Kroemer G, Cardenas JC, Hetz C. Balancing energy and protein homeostasis at ER-mitochondria contact sites. Sci Signal 2022; 15:eabm7524. [DOI: 10.1126/scisignal.abm7524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The endoplasmic reticulum (ER) is the largest organelle of the cell and participates in multiple essential functions, including the production of secretory proteins, lipid synthesis, and calcium storage. Sustaining proteostasis requires an intimate coupling with energy production. Mitochondrial respiration evolved to be functionally connected to ER physiology through a physical interface between both organelles known as mitochondria-associated membranes. This quasi-synaptic structure acts as a signaling hub that tunes the function of both organelles in a bidirectional manner and controls proteostasis, cell death pathways, and mitochondrial bioenergetics. Here, we discuss the main signaling mechanisms governing interorganellar communication and their putative role in diseases including cancer and neurodegeneration.
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Affiliation(s)
- Amado Carreras-Sureda
- Department of Cell Physiology and Metabolism, University of Geneva, 1, rue Michel-Servet, 1211 Geneva, Switzerland
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, 75006 Paris, France
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 94805 Villejuif, France
- Department of Biology, Institut du Cancer Paris CARPEM, Hôpital Européen Georges Pompidou, AP-HP, 75015 Paris, France
| | - Julio Cesar Cardenas
- Center for Integrative Biology, Mayor University, 7510041 Santiago, Chile
- Center for Geroscience, Brain Health, and Metabolism, 70086 Santiago, Chile
- Buck Institute for Research on Aging, Novato, CA 94945, USA
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Claudio Hetz
- Center for Geroscience, Brain Health, and Metabolism, 70086 Santiago, Chile
- Buck Institute for Research on Aging, Novato, CA 94945, USA
- Faculty of Medicine, Biomedical Neuroscience Institute, University of Chile, 70086 Santiago, Chile
- Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, 70086 Santiago, Chile
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Missense mutation of MAL causes a rare leukodystrophy similar to Pelizaeus-Merzbacher disease. Eur J Hum Genet 2022; 30:860-864. [PMID: 35217805 PMCID: PMC9259702 DOI: 10.1038/s41431-022-01050-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 01/03/2022] [Accepted: 01/18/2022] [Indexed: 11/08/2022] Open
Abstract
Leukodystrophies are a heterogenous group of genetic disorders, characterised by abnormal development of cerebral white matter. Pelizaeus-Merzbacher disease is caused by mutations in PLP1, encoding major myelin-resident protein required for myelin sheath assembly. We report a missense variant p.(Ala109Asp) in MAL as causative for a rare, hypomyelinating leukodystrophy similar to Pelizaeus-Merzbacher disease. MAL encodes a membrane proteolipid that directly interacts with PLP1, ensuring correct distribution during myelin assembly. In contrast to wild-type MAL, mutant MAL was retained in the endoplasmic reticulum but was released following treatment with 4-phenylbutyrate. Proximity-dependent identification of wild-type MAL interactants implicated post-Golgi vesicle-mediated protein transport and protein localisation to membranes, whereas mutant MAL interactants suggested unfolded protein responses. Our results suggest that mislocalisation of MAL affects PLP1 distribution, consistent with known pathomechanisms for hypomyelinating leukodystrophies.
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KDEL Receptors: Pathophysiological Functions, Therapeutic Options, and Biotechnological Opportunities. Biomedicines 2022; 10:biomedicines10061234. [PMID: 35740256 PMCID: PMC9220330 DOI: 10.3390/biomedicines10061234] [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: 04/29/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 02/07/2023] Open
Abstract
KDEL receptors (KDELRs) are ubiquitous seven-transmembrane domain proteins encoded by three mammalian genes. They bind to and retro-transport endoplasmic reticulum (ER)-resident proteins with a C-terminal Lys-Asp-Glu-Leu (KDEL) sequence or variants thereof. In doing this, KDELR participates in the ER quality control of newly synthesized proteins and the unfolded protein response. The binding of KDEL proteins to KDELR initiates signaling cascades involving three alpha subunits of heterotrimeric G proteins, Src family kinases, protein kinases A (PKAs), and mitogen-activated protein kinases (MAPKs). These signaling pathways coordinate membrane trafficking flows between secretory compartments and control the degradation of the extracellular matrix (ECM), an important step in cancer progression. Considering the basic cellular functions performed by KDELRs, their association with various diseases is not surprising. KDELR mutants unable to bind the collagen-specific chaperon heat-shock protein 47 (HSP47) cause the osteogenesis imperfecta. Moreover, the overexpression of KDELRs appears to be linked to neurodegenerative diseases that share pathological ER-stress and activation of the unfolded protein response (UPR). Even immune function requires a functional KDELR1, as its mutants reduce the number of T lymphocytes and impair antiviral immunity. Several studies have also brought to light the exploitation of the shuttle activity of KDELR during the intoxication and maturation/exit of viral particles. Based on the above, KDELRs can be considered potential targets for the development of novel therapeutic strategies for a variety of diseases involving proteostasis disruption, cancer progression, and infectious disease. However, no drugs targeting KDELR functions are available to date; rather, KDELR has been leveraged to deliver drugs efficiently into cells or improve antigen presentation.
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Basha FH, S Hemalatha. Screening the Efficacy of Melatonin on Neurodegeneration Mediated by Endoplasmic Reticulum Stress, Inflammation, and Oxidative Damage. Appl Biochem Biotechnol 2022; 194:1105-1119. [PMID: 35015217 DOI: 10.1007/s12010-022-03814-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] [Accepted: 12/30/2021] [Indexed: 11/29/2022]
Abstract
Neurodegeneration may be defined as a clinical condition wherein neurons gradually lose their structural integrity, viability, and functional abilities and the damage inflicted upon the neurons is often irreversible. The various mechanisms that have been observed to contribute to neurodegeneration include aggregation and accumulation of misfolded proteins, impaired autophagy, oxidative damage, neuroinflammation, mitochondrial defects, increased SUMOylation of proteins, impaired unfolded protein response (UPR) pathways, and disruption of axonal transport. Melatonin, a neurohormone, is involved in a variety of functions including scavenging free radicals, synchronizing the circadian rhythm, and mitigating immune response. Melatonin has shown to modulate the UPR pathway, antioxidant pathway through Nrf2 and inflammatory pathway through NFκB. The study aims to determine the efficacy of melatonin on neurodegeneration mediated by endoplasmic reticulum (ER) stress, inflammation, and oxidative damage through in silico approaches. The molecular targets chosen were ATF6, XBP1, PERK, Nrf2, and NFκB and they were docked against melatonin. Melatonin showed to have binding energy with ATF6 as - 4.8 kJ, with PERK as - 3.2 kJ, with XBP1 as - 4.8 kJ, with Nrf2 as - 4.5 kJ, and with that of NFκB as - 4.2 kJ, which implies it interacts well with them. Additionally various physiochemical analyses such as absorption, distribution, metabolism, excretion (ADME) were also carried out. Those analyses revealed that it has an optimal log P of about 1.98, optimal log S of - 2.34, is BBB permeant, has high GI absorption, is not a P-Gp substrate, has a TPSA of 54.12, has a molecular weight of 232.28, and has about 4 rotatable bonds. Also, it showed a bioactivity score of 0.06 for GPCR which implies that it is most likely to exert its function by binding GPCR. The findings imply that melatonin not only shows excellent interactions with the targets but also possesses drug-like physicochemical properties that makes it a valuable choice for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Fathima Hajee Basha
- School of Life Sciences, B.S Abdur Rahman Crescent Institute of Science of Technology, Vandalur, Chennai, 600048, Tamil Nadu, India
| | - S Hemalatha
- School of Life Sciences, B.S Abdur Rahman Crescent Institute of Science of Technology, Vandalur, Chennai, 600048, Tamil Nadu, India.
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Demirel-Yalciner T, Sozen E, Ozer NK. Endoplasmic Reticulum Stress and miRNA Impairment in Aging and Age-Related Diseases. FRONTIERS IN AGING 2022; 2:790702. [PMID: 35822008 PMCID: PMC9261320 DOI: 10.3389/fragi.2021.790702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/14/2021] [Indexed: 11/20/2022]
Abstract
Aging is a physiological process defined by decreased cellular and tissue functions. Reduced capacity of protein degradation is one of the important hallmarks of aging that may lead to misfolded protein accumulation and progressive loss of function in organ systems. Recognition of unfolded/misfolded protein aggregates via endoplasmic reticulum (ER) stress sensors activates an adaptive mechanism, the unfolded protein response (UPR). The initial step of UPR is defined by chaperone enhancement, ribosomal translation suppression, and misfolded protein degradation, while prolonged ER stress triggers apoptosis. MicroRNAs (miRNAs) are non-coding RNAs affecting various signaling pathways through degradation or translational inhibition of targeted mRNAs. Therefore, UPR and miRNA impairment in aging and age-related diseases is implicated in various studies. This review will highlight the recent insights in ER stress–miRNAs alterations during aging and age-related diseases, including metabolic, cardiovascular, and neurodegenerative diseases and several cancers.
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Affiliation(s)
| | - Erdi Sozen
- Department of Biochemistry, Faculty of Medicine, Marmara University, Maltepe, Turkey
- Genetic and Metabolic Diseases Research and Investigation Center (GEMHAM), Marmara University, Maltepe, Turkey
| | - Nesrin Kartal Ozer
- Department of Biochemistry, Faculty of Medicine, Marmara University, Maltepe, Turkey
- *Correspondence: Nesrin Kartal Ozer,
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Zhang LN, Li MJ, Shang YH, Liu YR, Han-Chang H, Lao FX. Zeaxanthin Attenuates the Vicious Circle Between Endoplasmic Reticulum Stress and Tau Phosphorylation: Involvement of GSK-3β Activation. J Alzheimers Dis 2022; 86:191-204. [PMID: 35034906 DOI: 10.3233/jad-215408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Alzheimer's disease (AD) characterized by neurofibrillary tangles caused by hyperphosphorylated tau is the most common cause of dementia. Zeaxanthin (Zea), derived from fruits and vegetables, may reduce the risk of AD. Endoplasmic reticulum stress (ERS) might cause memory impairment in AD. OBJECTIVE Here, we studied protective role of Zea on the relationship among ERS, activity of glycogen synthase kinase 3β (GSK-3β, tau phosphorylated kinase), and p-Tau (Ser 396 and Thr 231). METHODS The results were obtained in non-RA and RA group by using different treatment, such as 9-cis-retinoic acid (RA), TM (ERS inducer), Zea, 4-PBA (ERS inhibitor), and SB216763 (GSK-3β inhibitor). The methods included flow cytometry and MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] for the detections of cell cycle and cell viability and western blot as a third measure of proteins in relation to ERS and tau phosphorylation. We have collected and analyzed all the data that suggested application of drugs for the treatment in non-RA and RA group. RESULTS Zea displays its protection on TM-induced cell injury, upregulation of GRP78 expression, and change of GSK-3β activity and tau phosphorylation when 4-PBA and SB216763 interfere with the process. CONCLUSION These studies indicated that Zea is in vicious circle in ERS, GSK-3β, and tau phosphorylation, and further reflect its potential value in AD.
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Affiliation(s)
- Li-Na Zhang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
| | - Meng-Jie Li
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
| | - Ying-Hui Shang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
| | - Yun-Ru Liu
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
| | - Huang Han-Chang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
| | - Feng-Xue Lao
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, P.R. China.,Institute of Functional Factors and Brain Science, Beijing Union University, Beijing, P.R. China.,College of Biochemical Engineering, Beijing Union University, Beijing, P.R. China
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Kang S, Piao Y, Kang YC, Lim S, Pak YK. DA-9805 protects dopaminergic neurons from endoplasmic reticulum stress and inflammation. Biomed Pharmacother 2022; 145:112389. [PMID: 34775235 DOI: 10.1016/j.biopha.2021.112389] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/23/2021] [Accepted: 11/02/2021] [Indexed: 01/05/2023] Open
Abstract
Parkinson's disease (PD) is a multifactorial neurodegenerative disease with damages to mitochondria and endoplasmic reticulum (ER), followed by neuroinflammation. We previously reported that a triple herbal extract DA-9805 in experimental PD toxin-models had neuroprotective effects by alleviating mitochondrial damage and oxidative stress. In the present study, we investigated whether DA-9805 could suppress ER stress and neuroinflammation in vitro and/or in vivo. Pre-treatment with DA-9805 (1 μg/ml) attenuated upregulation of glucose-regulated protein 78 (GRP78), C/EBP homologous protein (CHOP) and cleaved caspase-3 in SH-SY5Y neuroblastoma cells treated with thapsigargin (1 µg/ml) or tunicamycin (2 µg/ml). In addition, DA-9805 prevented the production of IL-1β, IL-6, TNF-α and nitric oxide through inhibition of NF-κB activation in BV2 microglial cells stimulated with lipopolysaccharides (LPS). Intraperitoneal injection of LPS (10 mg/kg) into mice can induce acute neuroinflammation and dopaminergic neuronal cell death. Oral administration of DA-9805 (10 or 30 mg/kg/day for 3 days before LPS injection) prevented loss of dopaminergic neurons and activation of microglia and astrocytes in the substantia nigra in LPS-injected mouse models. Taken together, these results indicate that DA-9805 can effectively prevent ER stress and neuroinflammation, suggesting that DA-9805 is a multitargeting and disease-modifying therapeutic candidate for PD.
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Affiliation(s)
- Sora Kang
- Department of Neuroscience, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Ying Piao
- Department of Neuroscience, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Young Cheol Kang
- Department of Neuroscience, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Suyeol Lim
- Department of Neuroscience, Graduate School, Kyung Hee University, Seoul, South Korea
| | - Youngmi Kim Pak
- Department of Neuroscience, Graduate School, Kyung Hee University, Seoul, South Korea; Department of Physiology, College of Medicine, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, South Korea.
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Sun G, Zhao Z, Lang J, Sun B, Zhao Q. Nrf2 loss of function exacerbates endoplasmic reticulum stress-induced apoptosis in TBI mice. Neurosci Lett 2021; 770:136400. [PMID: 34923041 DOI: 10.1016/j.neulet.2021.136400] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 12/13/2021] [Accepted: 12/13/2021] [Indexed: 12/15/2022]
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) plays an important role in neuroprotection and recover. Our studies have showed that endoplasmic reticulum (ER) stress-induced apoptosis aggravates secondary damage following traumatic brain injury (TBI). Whether Nrf2 involved in ER stress and ER stress-mediated apoptosis is not clearly investigated. This present study explored the effect of Nrf2 knockout on ER stress and ER stress-induced apoptosis in TBI mice. A lateral fluid percussion injury (FPI)model of TBI was built based on Nrf2 knockout (Nrf2(-/-)) mice and wild-type (Nrf2(+/+)) mice, and the expressions of marker proteins of ER stress and ER stress-induced apoptosis were checked at 24 h following TBI. We found that Nrf2(-/-) mice presented more severe neurological deficit, brain edema and neuronal cell apoptosis compared with Nrf2(+/+) mice. And, the TBI Nrf2(-/-) mice were significantly increased expression of marker proteins of ER stress and ER stress-induced apoptotic pathway including glucose regulated protein (GRP78), protein kinase RNA-like ER kinase (PERK), inositol requiring enzyme (IRE1), activating transcription factor 6 (ATF6), C/EBP homologous protein (CHOP), caspase-12 and caspase-3, compared with that in WT mice. These results suggest that Nrf2 could ameliorate TBI-induced second brain injury partly through ER stress signal pathway.
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Affiliation(s)
- Guozhu Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, PR China.
| | - Zongmao Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, PR China
| | - Jiadong Lang
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, PR China
| | - Boyu Sun
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, PR China
| | - Qitao Zhao
- Department of Neurosurgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, PR China
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Tian Y, Daya R, Bhandari J, Joshi H, Thomson S, Patel V, Mishra R. Effect of Chronic Treatment with D2 Allosteric Modulator PAOPA on the Expression of Cerebral Dopamine Neurotrophic Factor (CDNF) in Select Brain Regions. Int J Pept Res Ther 2021. [DOI: 10.1007/s10989-021-10272-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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47
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Gupta R, Ambasta RK, Pravir Kumar. Autophagy and apoptosis cascade: which is more prominent in neuronal death? Cell Mol Life Sci 2021; 78:8001-8047. [PMID: 34741624 PMCID: PMC11072037 DOI: 10.1007/s00018-021-04004-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/16/2021] [Accepted: 10/20/2021] [Indexed: 02/06/2023]
Abstract
Autophagy and apoptosis are two crucial self-destructive processes that maintain cellular homeostasis, which are characterized by their morphology and regulated through signal transduction mechanisms. These pathways determine the fate of cellular organelle and protein involved in human health and disease such as neurodegeneration, cancer, and cardiovascular disease. Cell death pathways share common molecular mechanisms, such as mitochondrial dysfunction, oxidative stress, calcium ion concentration, reactive oxygen species, and endoplasmic reticulum stress. Some key signaling molecules such as p53 and VEGF mediated angiogenic pathway exhibit cellular and molecular responses resulting in the triggering of apoptotic and autophagic pathways. Herein, based on previous studies, we describe the intricate relation between cell death pathways through their common genes and the role of various stress-causing agents. Further, extensive research on autophagy and apoptotic machinery excavates the implementation of selective biomarkers, for instance, mTOR, Bcl-2, BH3 family members, caspases, AMPK, PI3K/Akt/GSK3β, and p38/JNK/MAPK, in the pathogenesis and progression of neurodegenerative diseases. This molecular phenomenon will lead to the discovery of possible therapeutic biomolecules as a pharmacological intervention that are involved in the modulation of apoptosis and autophagy pathways. Moreover, we describe the potential role of micro-RNAs, long non-coding RNAs, and biomolecules as therapeutic agents that regulate cell death machinery to treat neurodegenerative diseases. Mounting evidence demonstrated that under stress conditions, such as calcium efflux, endoplasmic reticulum stress, the ubiquitin-proteasome system, and oxidative stress intermediate molecules, namely p53 and VEGF, activate and cause cell death. Further, activation of p53 and VEGF cause alteration in gene expression and dysregulated signaling pathways through the involvement of signaling molecules, namely mTOR, Bcl-2, BH3, AMPK, MAPK, JNK, and PI3K/Akt, and caspases. Alteration in gene expression and signaling cascades cause neurotoxicity and misfolded protein aggregates, which are characteristics features of neurodegenerative diseases. Excessive neurotoxicity and misfolded protein aggregates lead to neuronal cell death by activating death pathways like autophagy and apoptosis. However, autophagy has a dual role in the apoptosis pathways, i.e., activation and inhibition of the apoptosis signaling. Further, micro-RNAs and LncRNAs act as pharmacological regulators of autophagy and apoptosis cascade, whereas, natural compounds and chemical compounds act as pharmacological inhibitors that rescue neuronal cell death through inhibition of apoptosis and autophagic cell death.
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Affiliation(s)
- Rohan Gupta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Mechanical Engineering Building, Delhi Technological University (Formerly Delhi College of Engineering), Room# FW4TF3, Shahbad Daulatpur, Bawana Road, Delhi, 110042, India
| | - Rashmi K Ambasta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Mechanical Engineering Building, Delhi Technological University (Formerly Delhi College of Engineering), Room# FW4TF3, Shahbad Daulatpur, Bawana Road, Delhi, 110042, India
| | - Pravir Kumar
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, Mechanical Engineering Building, Delhi Technological University (Formerly Delhi College of Engineering), Room# FW4TF3, Shahbad Daulatpur, Bawana Road, Delhi, 110042, India.
- , Delhi, India.
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Li X, Cheng Y, Qin Y, Gao H, Wang G, Song H, Wang Y, Cai B. Chrysophanol exerts neuroprotective effects via interfering with endoplasmic reticulum stress apoptotic pathways in cell and animal models of Alzheimer's disease. J Pharm Pharmacol 2021; 74:32-40. [PMID: 34791341 DOI: 10.1093/jpp/rgab148] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 09/29/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Chrysophanol (CHR), also well-known as Rhei radix et rhizome, is a crucial component in traditional Chinese medicine. It has been widely studied as a potential treatment for many diseases due to its anti-inflammatory effects. However, there are very few studies to establish the potential therapeutic effect of CHR in cell and animal models of Alzheimer's disease (AD). Therefore, we aim to investigate whether CHR could be used as a potential therapeutic approach to patients with AD and further disclose the underlying mechanism. Increasing studies have shown that endoplasmic reticulum (ER) calcium (Ca2+) homeostasis emerges as a central player in AD pathogenesis. Moreover, augmentation of ER stress (ERS) promotes neuronal apoptosis, and excessive oxidative stress is an inducer of ERS. Therefore, we believe that ERS-mediated apoptosis may be one of the causes of AD. METHODS This study examined the neuroprotective effects of CHR on AD rats and AD cell models and explored its potential mechanism. KEY FINDINGS CHR could reduce the damage of neurons. In AD cell models, CHR significantly inhibited Aβ 25-35-induced neuronal damage, reduced the number of apoptotic cells and improved cell survival rate. Western blot showed that the expression of caspases 3, 9 and 12 was decreased after CHR treatment, and CHR also affected the ERS signalling pathway. In addition, the higher expression of pro-apoptotic proteins in the AD cell model was reduced after CHR treatment by inhibiting GRP78 signalling. Further studies have shown that overexpressed protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) inhibited the regulatory effect of CHR on PERK and weakened the neuroprotective effect of CHR on the AD cell model. CONCLUSIONS This study revealed a novel mechanism through which CHR plays a neuroprotective role by regulating ERS when it comes to the therapy of AD.
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Affiliation(s)
- Xinquan Li
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China
| | - Yaxun Cheng
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China
| | - Yunpeng Qin
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China
| | - Huawu Gao
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012 Anhui, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012 Anhui, China
| | - Guangyun Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012 Anhui, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012 Anhui, China
| | - Hang Song
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012 Anhui, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012 Anhui, China
| | - Yan Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012 Anhui, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012 Anhui, China
| | - Biao Cai
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012 Anhui, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012 Anhui, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012 Anhui, China
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49
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Ebrahimi R, Golestani A. The emerging role of noncoding RNAs in neuroinflammation: Implications in pathogenesis and therapeutic approaches. J Cell Physiol 2021; 237:1206-1224. [PMID: 34724212 DOI: 10.1002/jcp.30624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/28/2021] [Accepted: 10/22/2021] [Indexed: 12/11/2022]
Abstract
Noncoding RNAs (ncRNAs) are important regulators of gene expression in different cell processes. Due to their ability in monitoring neural development genes, these transcripts confer neurons with the potential to exert broad control over the expression of genes for performing neurobiological functions. Although the change of ncRNA expression in different neurodegenerative diseases has been reviewed elsewhere, only recent evidence drove our attention to unravel the involvement of these molecules in neuroinflammation within these devastating disorders. Remarkably, the interactions between ncRNAs and inflammatory pathways are not fully recognized. Therefore, this review has focused on the interplay between diverse inflammatory pathways and the related ncRNAs, including microRNAs, long noncoding RNAs, and competing endogenous RNAs in Alzheimer's disease, Parkinson's diseases, amyotrophic lateral sclerosis, epilepsy, multiple sclerosis, Huntington's disease, and prion diseases. Providing novel insights in the field of combining biomarkers is a critical step for using them as diagnostic tools and therapeutic targets in clinical settings.
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Affiliation(s)
- Reyhane Ebrahimi
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Golestani
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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SOZEN E, DEMIREL-YALCINER T, ECE A, ISMICOGLU A, KARTAL ÖZER N. Effect of High Cholesterol Diet and α-Tocopherol Supplementation on Endoplasmic Retüculum Stress and Apoptosis in Hippocampus Tissue. CLINICAL AND EXPERIMENTAL HEALTH SCIENCES 2021. [DOI: 10.33808/clinexphealthsci.972222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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