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He Y, He T, Li H, Chen W, Zhong B, Wu Y, Chen R, Hu Y, Ma H, Wu B, Hu W, Han Z. Deciphering mitochondrial dysfunction: Pathophysiological mechanisms in vascular cognitive impairment. Biomed Pharmacother 2024; 174:116428. [PMID: 38599056 DOI: 10.1016/j.biopha.2024.116428] [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: 12/20/2023] [Revised: 02/26/2024] [Accepted: 03/08/2024] [Indexed: 04/12/2024] Open
Abstract
Vascular cognitive impairment (VCI) encompasses a range of cognitive deficits arising from vascular pathology. The pathophysiological mechanisms underlying VCI remain incompletely understood; however, chronic cerebral hypoperfusion (CCH) is widely acknowledged as a principal pathological contributor. Mitochondria, crucial for cellular energy production and intracellular signaling, can lead to numerous neurological impairments when dysfunctional. Recent evidence indicates that mitochondrial dysfunction-marked by oxidative stress, disturbed calcium homeostasis, compromised mitophagy, and anomalies in mitochondrial dynamics-plays a pivotal role in VCI pathogenesis. This review offers a detailed examination of the latest insights into mitochondrial dysfunction within the VCI context, focusing on both the origins and consequences of compromised mitochondrial health. It aims to lay a robust scientific groundwork for guiding the development and refinement of mitochondrial-targeted interventions for VCI.
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Affiliation(s)
- Yuyao He
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Tiantian He
- Sichuan Academy of Chinese Medicine Sciences, China
| | - Hongpei Li
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Wei Chen
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Biying Zhong
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yue Wu
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Runming Chen
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yuli Hu
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Huaping Ma
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Bin Wu
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Wenyue Hu
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China.
| | - Zhenyun Han
- Shenzhen Hospital, Beijing University of Chinese Medicine, Shenzhen, Guangdong, China.
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Parkkinen I, Their A, Asghar MY, Sree S, Jokitalo E, Airavaara M. Pharmacological Regulation of Endoplasmic Reticulum Structure and Calcium Dynamics: Importance for Neurodegenerative Diseases. Pharmacol Rev 2023; 75:959-978. [PMID: 37127349 DOI: 10.1124/pharmrev.122.000701] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 03/27/2023] [Accepted: 04/04/2023] [Indexed: 05/03/2023] Open
Abstract
The endoplasmic reticulum (ER) is the largest organelle of the cell, composed of a continuous network of sheets and tubules, and is involved in protein, calcium (Ca2+), and lipid homeostasis. In neurons, the ER extends throughout the cell, both somal and axodendritic compartments, and is highly important for neuronal functions. A third of the proteome of a cell, secreted and membrane-bound proteins, are processed within the ER lumen and most of these proteins are vital for neuronal activity. The brain itself is high in lipid content, and many structural lipids are produced, in part, by the ER. Cholesterol and steroid synthesis are strictly regulated in the ER of the blood-brain barrier protected brain cells. The high Ca2+ level in the ER lumen and low cytosolic concentration is needed for Ca2+-based intracellular signaling, for synaptic signaling and Ca2+ waves, and for preparing proteins for correct folding in the presence of high Ca2+ concentrations to cope with the high concentrations of extracellular milieu. Particularly, ER Ca2+ is controlled in axodendritic areas for proper neurito- and synaptogenesis and synaptic plasticity and remodeling. In this review, we cover the physiologic functions of the neuronal ER and discuss it in context of common neurodegenerative diseases, focusing on pharmacological regulation of ER Ca2+ Furthermore, we postulate that heterogeneity of the ER, its protein folding capacity, and ensuring Ca2+ regulation are crucial factors for the aging and selective vulnerability of neurons in various neurodegenerative diseases. SIGNIFICANCE STATEMENT: Endoplasmic reticulum (ER) Ca2+ regulators are promising therapeutic targets for degenerative diseases for which efficacious drug therapies do not exist. The use of pharmacological probes targeting maintenance and restoration of ER Ca2+ can provide restoration of protein homeostasis (e.g., folding of complex plasma membrane signaling receptors) and slow down the degeneration process of neurons.
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Affiliation(s)
- Ilmari Parkkinen
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
| | - Anna Their
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
| | - Muhammad Yasir Asghar
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
| | - Sreesha Sree
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
| | - Eija Jokitalo
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
| | - Mikko Airavaara
- Neuroscience Center (I.P., A.T., M.A.), Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy (I.P., M.A.), Cell and Tissue Dynamics Research Program, Institute of Biotechnology, Helsinki Institute of Life Sciences (M.Y.A., S.S., E.J.), and Electron Microscopy Unit, Institute of Biotechnology, Helsinki Institute of Life Sciences (E.J.), University of Helsinki, Helsinki, Finland
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Hegde M, Daimary UD, Jose S, Sajeev A, Chinnathambi A, Alharbi SA, Shakibaei M, Kunnumakkara AB. Differential Expression of Genes Regulating Store-operated Calcium Entry in Conjunction With Mitochondrial Dynamics as Potential Biomarkers for Cancer: A Single-Cell RNA Analysis. Front Genet 2022; 13:866473. [PMID: 35711942 PMCID: PMC9197647 DOI: 10.3389/fgene.2022.866473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/27/2022] [Indexed: 11/13/2022] Open
Abstract
Regulation of intracellular concentration of calcium levels is crucial for cell signaling, homeostasis, and in the pathology of diseases including cancer. Agonist-induced entry of calcium ions into the non-excitable cells is mediated by store-operated calcium channels (SOCs). This pathway is activated by the release of calcium ions from the endoplasmic reticulum and further regulated by the calcium uptake through mitochondria leading to calcium-dependent inactivation of calcium-release activated calcium channels (CARC). SOCs including stromal interaction molecules (STIM) and ORAI proteins have been implicated in tumor growth, progression, and metastasis. In the present study, we analyzed the mRNA and protein expression of genes mediating SOCs-STIM1, STIM2, ORAI1, ORAI2, ORAI3, TRPC1, TRPC3, TRPC4, TRPC5, TRPC6, TRPC7, TRPV1, TRPV2, TRPM1, and TRPM7 in head and neck squamous cell cancer (HNSC) patients using TCGA and CPTAC analysis. Further, our in silico analysis showed a significant correlation between the expression of SOCs and genes involved in the mitochondrial dynamics (MDGs) both at mRNA and protein levels. Protein-protein docking results showed lower binding energy for SOCs with MDGs. Subsequently, we validated these results using gene expression and single-cell RNA sequencing datasets retrieved from Gene Expression Omnibus (GEO). Single-cell gene expression analysis of HNSC tumor tissues revealed that SOCs expression is remarkably associated with the MDGs expression in both cancer and fibroblast cells.
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Affiliation(s)
- Mangala Hegde
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India.,DBT-AIST International Center for Translational and Environmental Research, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Uzini Devi Daimary
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India.,DBT-AIST International Center for Translational and Environmental Research, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Sandra Jose
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India.,DBT-AIST International Center for Translational and Environmental Research, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Anjana Sajeev
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India.,DBT-AIST International Center for Translational and Environmental Research, Indian Institute of Technology-Guwahati, Guwahati, India
| | - Arunachalam Chinnathambi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mehdi Shakibaei
- Musculoskeletal Research Group and Tumor Biology, Faculty of Medicine, Institute of Anatomy, Ludwig-Maximilian-University Munich, Munich, Germany
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology-Guwahati, Guwahati, India.,DBT-AIST International Center for Translational and Environmental Research, Indian Institute of Technology-Guwahati, Guwahati, India
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Hunt EG, Andrews AM, Larsen SR, Thaxton JE. The ER-Mitochondria Interface as a Dynamic Hub for T Cell Efficacy in Solid Tumors. Front Cell Dev Biol 2022; 10:867341. [PMID: 35573704 PMCID: PMC9091306 DOI: 10.3389/fcell.2022.867341] [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: 02/01/2022] [Accepted: 03/28/2022] [Indexed: 01/09/2023] Open
Abstract
The endoplasmic reticulum (ER) is a large continuous membranous organelle that plays a central role as the hub of protein and lipid synthesis while the mitochondria is the principal location for energy production. T cells are an immune subset exhibiting robust dependence on ER and mitochondrial function based on the need for protein synthesis and secretion and metabolic dexterity associated with foreign antigen recognition and cytotoxic effector response. Intimate connections exist at mitochondrial-ER contact sites (MERCs) that serve as the structural and biochemical platforms for cellular metabolic homeostasis through regulation of fission and fusion as well as glucose, Ca2+, and lipid exchange. Work in the tumor immunotherapy field indicates that the complex interplay of nutrient deprivation and tumor antigen stimulation in the tumor microenvironment places stress on the ER and mitochondria, causing dysfunction in organellar structure and loss of metabolic homeostasis. Here, we assess prior literature that establishes how the structural interface of these two organelles is impacted by the stress of solid tumors along with recent advances in the manipulation of organelle homeostasis at MERCs in T cells. These findings provide strong evidence for increased tumor immunity using unique therapeutic avenues that recharge cellular metabolic homeostasis in T cells.
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Affiliation(s)
- Elizabeth G. Hunt
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, United States,Department of Cell Biology and Physiology, School of Medicine, University of North Carolina, Chapel Hill, NC, United States
| | - Alex M. Andrews
- Hollings Cancer Center, Charleston, SC, United States,Department of Orthopedics and Physical Medicine, Medical University of South Carolina, Charleston, SC, United States
| | | | - Jessica E. Thaxton
- Immunotherapy Program, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, United States,Department of Cell Biology and Physiology, School of Medicine, University of North Carolina, Chapel Hill, NC, United States,*Correspondence: Jessica E. Thaxton,
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Lee EF, Fairlie WD. Discovery, development and application of drugs targeting BCL-2 pro-survival proteins in cancer. Biochem Soc Trans 2021; 49:2381-2395. [PMID: 34515749 PMCID: PMC8589430 DOI: 10.1042/bst20210749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/20/2021] [Accepted: 08/24/2021] [Indexed: 12/13/2022]
Abstract
The discovery of a new class of small molecule compounds that target the BCL-2 family of anti-apoptotic proteins is one of the great success stories of basic science leading to translational outcomes in the last 30 years. The eponymous BCL-2 protein was identified over 30 years ago due to its association with cancer. However, it was the unveiling of the biochemistry and structural biology behind it and its close relatives' mechanism(s)-of-action that provided the inspiration for what are now known as 'BH3-mimetics', the first clinically approved drugs designed to specifically inhibit protein-protein interactions. Herein, we chart the history of how these drugs were discovered, their evolution and application in cancer treatment.
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Affiliation(s)
- Erinna F. Lee
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Cell Death and Survival Laboratory, Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, Victoria 3086, Australia
| | - W. Douglas Fairlie
- La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria 3086, Australia
- Cell Death and Survival Laboratory, Olivia Newton-John Cancer Research Institute, Heidelberg, Victoria 3084, Australia
- School of Cancer Medicine, La Trobe University, Bundoora, Victoria 3086, Australia
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Sonn SK, Seo S, Yang J, Oh KS, Chen H, Chan DC, Rhee K, Lee KS, Yang Y, Oh GT. ER-associated CTRP1 regulates mitochondrial fission via interaction with DRP1. Exp Mol Med 2021; 53:1769-1780. [PMID: 34837016 PMCID: PMC8639813 DOI: 10.1038/s12276-021-00701-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 01/19/2023] Open
Abstract
C1q/TNF-related protein 1 (CTRP1) is a CTRP family member that has collagenous and globular C1q-like domains. The secreted form of CTRP1 is known to be associated with cardiovascular and metabolic diseases, but its cellular roles have not yet been elucidated. Here, we showed that cytosolic CTRP1 localizes to the endoplasmic reticulum (ER) membrane and that knockout or depletion of CTRP1 leads to mitochondrial fission defects, as demonstrated by mitochondrial elongation. Mitochondrial fission events are known to occur through an interaction between mitochondria and the ER, but we do not know whether the ER and/or its associated proteins participate directly in the entire mitochondrial fission event. Interestingly, we herein showed that ablation of CTRP1 suppresses the recruitment of DRP1 to mitochondria and provided evidence suggesting that the ER-mitochondrion interaction is required for the proper regulation of mitochondrial morphology. We further report that CTRP1 inactivation-induced mitochondrial fission defects induce apoptotic resistance and neuronal degeneration, which are also associated with ablation of DRP1. These results demonstrate for the first time that cytosolic CTRP1 is an ER transmembrane protein that acts as a key regulator of mitochondrial fission, providing new insight into the etiology of metabolic and neurodegenerative disorders.
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Affiliation(s)
- Seong Keun Sonn
- Department of Life Science, Heart-Immune-Brain Network Research Center, Ewha Woman's University, Seoul, 03760, Republic of Korea
| | - Seungwoon Seo
- Department of Life Science, Heart-Immune-Brain Network Research Center, Ewha Woman's University, Seoul, 03760, Republic of Korea
| | - Jaemoon Yang
- Department of Radiology, Yonsei University, Seoul, 120-752, Republic of Korea
| | - Ki Sook Oh
- Department of Life Science, Research Center for Women's Disease, Sookmyung Women's University, Seoul, Republic of Korea
| | - Hsiuchen Chen
- Division of Biology, California Institute of Technology, Pasadena, CA, 91125, USA
| | - David C Chan
- Division of Biology, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Kunsoo Rhee
- Department of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Kyung S Lee
- Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute (NCI), Bethesda, MD, 20892, USA
| | - Young Yang
- Department of Life Science, Research Center for Women's Disease, Sookmyung Women's University, Seoul, Republic of Korea.
| | - Goo Taeg Oh
- Department of Life Science, Heart-Immune-Brain Network Research Center, Ewha Woman's University, Seoul, 03760, Republic of Korea.
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Yoshikawa Y, Sugimoto K, Ochiai Y, Ohashi N. Intracellular proliferation of Anaplasma phagocytophilum is promoted via modulation of endoplasmic reticulum stress signaling in host cells. Microbiol Immunol 2020; 64:270-279. [PMID: 31909489 DOI: 10.1111/1348-0421.12770] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/17/2019] [Accepted: 01/05/2020] [Indexed: 02/06/2023]
Abstract
Anaplasma phagocytophilum, an obligate intracellular bacterium that propagates within host granulocytes, is considered to modify the host intracellular environment for pathogenesis. However, the mechanism(s) underlying such host modifications remain unclear. Here, we aimed to investigate the relation between A. phagocytophilum and endoplasmic reticulum (ER) stress in THP-1 cells. A. phagocytophilum activated the three ER stress sensors: inositol-requiring enzyme-1 (IRE1), protein kinase RNA-like endoplasmic reticulum kinase (PERK), and activating transcription factor-6 (ATF6). IRE1 activation occurred immediately after host cell invasion by A. phagocytophilum; however, the activated IRE1-induced splicing of X-box-binding protein 1 was not promoted during A. phagocytophilum infection. This suppression was sustained even after the doxycycline-mediated elimination of intracellular A. phagocytophilum. IRE1 knockdown accelerated A. phagocytophilum-induced apoptosis and decreased intracellular A. phagocytophilum. These data suggest that A. phagocytophilum utilizes IRE1 activation to promote its own intracellular proliferation. Moreover, PERK and ATF6 partially mediated A. phagocytophilum-induced apoptosis by promoting the expression of CCAAT/enhancer-binding protein homologous protein, which induces the transcription of several proapoptotic genes. Thus, A. phagocytophilum possibly manipulates the host ER stress signals to facilitate intracellular proliferation and infection of surrounding cells before/after host cell apoptosis.
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Affiliation(s)
- Yuko Yoshikawa
- Laboratory of Microbiology, Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan.,Laboratory of Veterinary Public Health, School of Veterinary Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Kei Sugimoto
- Laboratory of Microbiology, Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yoshitsugu Ochiai
- Laboratory of Veterinary Public Health, School of Veterinary Medicine, Faculty of Veterinary Science, Nippon Veterinary and Life Science University, Tokyo, Japan
| | - Norio Ohashi
- Laboratory of Microbiology, Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka, Japan
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