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Sakai M, Ohnishi K, Masuda M, Harumoto E, Fukuda T, Ohnishi A, Ishii S, Ohminami H, Yamanaka-Okumura H, Ohashi K, Itakura E, Horikawa K, Yonemura S, Hara T, Taketani Y. Modulations of the mTORC2-GATA3 axis by an isorhamnetin activated endosomal-lysosomal system of the J774.1 macrophage-like cell line. J Clin Biochem Nutr 2024; 75:24-32. [PMID: 39070537 PMCID: PMC11273268 DOI: 10.3164/jcbn.24-22] [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: 02/06/2024] [Accepted: 03/12/2024] [Indexed: 07/30/2024] Open
Abstract
The endosomal-lysosomal system represents a crucial degradation pathway for various extracellular substances, and its dysfunction is linked to cardiovascular and neurodegenerative diseases. This degradation process involves multiple steps: (1) the uptake of extracellular molecules, (2) transport of cargos to lysosomes, and (3) digestion by lysosomal enzymes. While cellular uptake and lysosomal function are reportedly regulated by the mTORC1-TFEB axis, the key regulatory signal for cargo transport remains unclear. Notably, our previous study discovered that isorhamnetin, a dietary flavonoid, enhances endosomal-lysosomal proteolysis in the J774.1 cell line independently of the mTORC1-TFEB axis. This finding suggests the involvement of another signal in the mechanism of isorhamnetin. This study analyzes the molecular mechanism of isorhamnetin using transcriptome analysis and reveals that the transcription factor GATA3 plays a critical role in enhanced endosomal-lysosomal degradation. Our data also demonstrate that mTORC2 regulates GATA3 nuclear translocation, and the mTORC2-GATA3 axis alters endosomal formation and maturation, facilitating the efficient transport of cargos to lysosomes. This study suggests that the mTORC2-GATA3 axis might be a novel target for the degradation of abnormal substances.
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Affiliation(s)
- Maiko Sakai
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Kohta Ohnishi
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Masashi Masuda
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Erika Harumoto
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Teppei Fukuda
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Aika Ohnishi
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Shunsuke Ishii
- Department of Biology, Graduate School of Science and Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8555, Japan
| | - Hirokazu Ohminami
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Hisami Yamanaka-Okumura
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
- Department of Food Science and Nutrition, Doshisha Women College of Liberal Arts, Teramachi-Nishi-iru, Imadegawa-Kamigyo-ku, Kyoto 602-0893, Japan
| | - Kazuto Ohashi
- Institute for Molecular and Cellular Regulation, Gunma University, 3-39-15 Showa-cho, Maebashi-shi, Gunma 371-8512, Japan
| | - Eisuke Itakura
- Department of Biology, Graduate School of Science, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8555, Japan
| | - Kazuki Horikawa
- Department of Optical Imaging, Advanced Research Promotion Center, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
| | - Shigenobu Yonemura
- Department of Cell Biology, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
- Laboratory for Ultrastructural Research, Riken Center for Biosystems Dynamics Research, 2-2-3 Minatojimaminami-machi, Chuo-ku, Kobe-shi, Hyogo 650-0047, Japan
| | - Taichi Hara
- Laboratory of Food and Life Science, Faculty of Human Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa-shi, Saitama 359-1192, Japan
| | - Yutaka Taketani
- Department of Clinical Nutrition and Food Management, Institute of Biomedical Sciences, Tokushima University Graduate School of Medical Nutrition, 3-18-15 Kuramoto-cho, Tokushima-shi, Tokushima 770-8503, Japan
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Kim KR, Cho EJ, Eom JW, Oh SS, Nakamura T, Oh CK, Lipton SA, Kim YH. S-Nitrosylation of cathepsin B affects autophagic flux and accumulation of protein aggregates in neurodegenerative disorders. Cell Death Differ 2022; 29:2137-2150. [PMID: 35462559 PMCID: PMC9613756 DOI: 10.1038/s41418-022-01004-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 04/01/2022] [Accepted: 04/08/2022] [Indexed: 01/05/2023] Open
Abstract
Protein S-nitrosylation is known to regulate enzymatic function. Here, we report that nitric oxide (NO)-related species can contribute to Alzheimer's disease (AD) by S-nitrosylating the lysosomal protease cathepsin B (forming SNO-CTSB), thereby inhibiting CTSB activity. This posttranslational modification inhibited autophagic flux, increased autolysosomal vesicles, and led to accumulation of protein aggregates. CA-074Me, a CTSB chemical inhibitor, also inhibited autophagic flux and resulted in accumulation of protein aggregates similar to the effect of SNO-CTSB. Inhibition of CTSB activity also induced caspase-dependent neuronal apoptosis in mouse cerebrocortical cultures. To examine which cysteine residue(s) in CTSB are S-nitrosylated, we mutated candidate cysteines and found that three cysteines were susceptible to S-nitrosylation. Finally, we observed an increase in SNO-CTSB in both 5XFAD transgenic mouse and flash-frozen postmortem human AD brains. These results suggest that S-nitrosylation of CTSB inhibits enzymatic activity, blocks autophagic flux, and thus contributes to AD pathogenesis.
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Affiliation(s)
- Ki-Ryeong Kim
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Eun-Jung Cho
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Jae-Won Eom
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Sang-Seok Oh
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea
| | - Tomohiro Nakamura
- Neurodegeneration New Medicines Center, Departments of Molecular Medicine and Neuroscience, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Chang-Ki Oh
- Neurodegeneration New Medicines Center, Departments of Molecular Medicine and Neuroscience, The Scripps Research Institute, La Jolla, CA, 92037, USA
| | - Stuart A Lipton
- Neurodegeneration New Medicines Center, Departments of Molecular Medicine and Neuroscience, The Scripps Research Institute, La Jolla, CA, 92037, USA.
- Department of Neurosciences, University of California, San Diego, School of Medicine, La Jolla, CA, 92093, USA.
| | - Yang-Hee Kim
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul, 05006, Republic of Korea.
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Rivastigmine attenuates the Alzheimer's disease related protein degradation and apoptotic neuronal death signalling. Biochem J 2021; 478:1435-1451. [PMID: 33660768 DOI: 10.1042/bcj20200754] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 12/13/2022]
Abstract
Rivastigmine is a clinical drug for patients of Alzheimer's disease (AD) exerting its inhibitory effect on acetylcholinesterase activity however, its effect on other disease-related pathological mechanisms are not yet known. This study was conducted to evaluate the effect of rivastigmine on protein aggregation and degradation related mechanisms employing streptozotocin (STZ) induced experimental rat model. The known inhibitory effect of rivastigmine on cognition and acetylcholinesterase activity was observed in both cortex and hippocampus and further its effect on tau level, amyloid aggregation, biochemical alterations, endoplasmic reticulum (ER) stress, calcium homeostasis, proteasome activity and apoptosis was estimated. STZ administration in rat brain caused significant cognitive impairment, augmented acetylcholinesterase activity, tau phosphorylation and amyloid aggregation which were significantly inhibited with rivastigmine treatment. STZ also caused significant biochemical alterations which were attenuated with rivastigmine treatment. Since AD pathology is related to protein aggregation and we have found disease-related amyloid aggregation, further the investigation was done to decipher the ER functionality and apoptotic signalling. STZ caused significantly altered level of ER stress related markers (GRP78, GADD153 and caspase-12) which were significantly inhibited with rivastigmine treatment. Furthermore, the effect of rivastigmine was estimated on proteasome activity in both regions. Rivastigmine treatment significantly enhances the proteasome activity and may contributes in removal of amyloid aggregation. In conclusion, findings suggested that along with inhibitory effect of rivastigmine on acetylcholinesterase activity and up to some extent on cognition, it has significant effect on disease-related biochemical alterations, ER functionality, protein degradation machinery and neuronal apoptosis.
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Singh S. Updates on Versatile Role of Putative Gasotransmitter Nitric Oxide: Culprit in Neurodegenerative Disease Pathology. ACS Chem Neurosci 2020; 11:2407-2415. [PMID: 32564594 DOI: 10.1021/acschemneuro.0c00230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Nitric oxide (NO) is a versatile gasotransmitter that contributes in a range of physiological and pathological mechanims depending on its cellular levels. An appropriate concentration of NO is essentially required for cellular physiology; however, its increased level triggers pathological mechanisms like altered cellular redox regulation, functional impairment of mitochondrion, and modifications in cellular proteins and DNA. Its increased levels also exhibit post-translational modifications in protein through S-nitrosylation of their thiol amino acids, which critically affect the cellular physiology. Along with such modifications, NO could also nitrosylate the endoplasmic reticulum (ER)-membrane located sensors of ER stress, which subsequently affect the cellular protein degradation capacity and lead to aggregation of misfolded/unfolded proteins. Since protein aggregation is one of the pathological hallmarks of neurodegenerative disease, NO should be taken into account during development of disease therapies. In this Review, we shed light on the diverse role of NO in both cellular physiology and pathology and discussed its involvement in various pathological events in the context of neurodegenerative diseases.
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Affiliation(s)
- Sarika Singh
- Department of Neurosciences and Ageing Biology and Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh 226031, India
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吴 小, 王 爱, 邱 平. [Effect of methamphetamine exposure on S-nitrosylation of protein disulphide isomerase in PC12 cells]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2017; 37:93-96. [PMID: 28109106 PMCID: PMC6765750 DOI: 10.3969/j.issn.1673-4254.2017.01.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To study the effect of methamphetamine (METH) exposure on S-nitrosylation of protein disulphide isomerase and the neurotoxicity of METH in PC12 cells. METHODS PC12 cells were exposed to different concentrations of METH, and the cell viability was assessed using the cell-counting kit-8. PC12 cells exposed to METH in the presence of the NOS inhibitor N-nitro-L-arginine (L-NNA) were examined for cell viability and S-nitrosylation of protein disulphide isomerase using the biotin-switch method, and the changes in cell morphology were examined with HE staining. RESULTS METH exposure obviously decreased the cell viability and increased S-nitrosylation of protein disulphide isomerase, and the effect of METH was obviously inhibited by L-NNA treatment. CONCLUSION METH can cause obvious neurotoxicity and promote S-nitrosylation of protein disulphide isomerase in PC12 cells.
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Affiliation(s)
- 小芳 吴
- 顺德职业技术学院医药卫生学院,广东 佛山 528000School of Medicine and Healthcare, Shunde Polytechnic, Foshan 528000, China
| | - 爱枫 王
- 南方医科大学法医学院,广东 广州 510515College of Forensic Science, Southern Medical University, Guangzhou 510515, China
| | - 平明 邱
- 南方医科大学法医学院,广东 广州 510515College of Forensic Science, Southern Medical University, Guangzhou 510515, China
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Hüls A, Krämer U, Herder C, Fehsel K, Luckhaus C, Stolz S, Vierkötter A, Schikowski T. Genetic susceptibility for air pollution-induced airway inflammation in the SALIA study. ENVIRONMENTAL RESEARCH 2017; 152:43-50. [PMID: 27741447 DOI: 10.1016/j.envres.2016.09.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 09/28/2016] [Accepted: 09/30/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Long-term air pollution exposure has been associated with chronic inflammation providing a link to the development of chronic health effects. Furthermore, there is evidence that pathways activated by endoplasmatic reticulum (ER) stress induce airway inflammation and thereby play an important role in the pathogenesis of inflammatory diseases. OBJECTIVE We investigated the role of genetic variation of the ER stress pathway on air pollution-induced inflammation. METHODS We used the follow-up examination of the German SALIA study (N=402, age 68-79 years). Biomarkers of inflammation were determined in induced sputum. We calculated biomarker-specific weighted genetic risk scores (GRS) out of eight ER stress related single nucleotide polymorphisms and tested their interaction with PM2.5, PM2.5 absorbance, PM10 and NO2 exposure on inflammation by adjusted linear regression. RESULTS Genetic variation of the ER stress pathway was associated with higher concentration of inflammation-related biomarkers (levels of leukotriene (LT)B4, tumor necrosis factor-α (TNF-α), the total number of cells and nitric oxide (NO) derivatives). Furthermore, we observed a significant interaction between air pollution exposure and the ER stress risk score on the concentration of inflammation-related biomarkers. The strongest gene-environment interaction was found for LTB4 (PM2.5: p-value=0.002, PM2.5 absorbance: p-value=0.002, PM10: p-value=0.001 and NO2: p-value=0.004). Women with a high GRS had a 38% (95%-CI: 16-64%) higher LTB4 level for an increase of 2.06μg/m³(IQR) in PM2.5 (no associations in women with a low GRS). CONCLUSION These results indicate that genetic variation in the ER stress pathway might play a role in air pollution induced inflammation in the lung.
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Affiliation(s)
- Anke Hüls
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany.
| | - Ursula Krämer
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Karin Fehsel
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Christian Luckhaus
- Department of Psychiatry and Psychotherapy, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Sabine Stolz
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Andrea Vierkötter
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tamara Schikowski
- IUF-Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
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