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Oka T, Matsuzawa Y, Tsuneyoshi M, Nakamura Y, Aoshima K, Tsugawa H. Multiomics analysis to explore blood metabolite biomarkers in an Alzheimer's Disease Neuroimaging Initiative cohort. Sci Rep 2024; 14:6797. [PMID: 38565541 PMCID: PMC10987653 DOI: 10.1038/s41598-024-56837-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 03/12/2024] [Indexed: 04/04/2024] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that commonly causes dementia. Identifying biomarkers for the early detection of AD is an emerging need, as brain dysfunction begins two decades before the onset of clinical symptoms. To this end, we reanalyzed untargeted metabolomic mass spectrometry data from 905 patients enrolled in the AD Neuroimaging Initiative (ADNI) cohort using MS-DIAL, with 1,304,633 spectra of 39,108 unique biomolecules. Metabolic profiles of 93 hydrophilic metabolites were determined. Additionally, we integrated targeted lipidomic data (4873 samples from 1524 patients) to explore candidate biomarkers for predicting progressive mild cognitive impairment (pMCI) in patients diagnosed with AD within two years using the baseline metabolome. Patients with lower ergothioneine levels had a 12% higher rate of AD progression with the significance of P = 0.012 (Wald test). Furthermore, an increase in ganglioside (GM3) and decrease in plasmalogen lipids, many of which are associated with apolipoprotein E polymorphism, were confirmed in AD patients, and the higher levels of lysophosphatidylcholine (18:1) and GM3 d18:1/20:0 showed 19% and 17% higher rates of AD progression, respectively (Wald test: P = 3.9 × 10-8 and 4.3 × 10-7). Palmitoleamide, oleamide, diacylglycerols, and ether lipids were also identified as significantly altered metabolites at baseline in patients with pMCI. The integrated analysis of metabolites and genomics data showed that combining information on metabolites and genotypes enhances the predictive performance of AD progression, suggesting that metabolomics is essential to complement genomic data. In conclusion, the reanalysis of multiomics data provides new insights to detect early development of AD pathology and to partially understand metabolic changes in age-related onset of AD.
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Affiliation(s)
- Takaki Oka
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yuki Matsuzawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Momoka Tsuneyoshi
- Human Biology Integration Foundation, Eisai Co., Ltd., Ibaraki, Japan
| | | | - Ken Aoshima
- Microbes & Host Defense Domain, Eisai Co., Ltd., Ibaraki, Japan
- School of Integrative and Global Majors, University of Tsukuba, Ibaraki, Japan
| | - Hiroshi Tsugawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, Tokyo, Japan.
- RIKEN Center for Sustainable Resource Science, Yokohama, Japan.
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
- Graduate School of Medical Life Science, Yokohama City University, Yokohama, Japan.
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Ishii H, Otomo K, Chang CP, Yamasaki M, Watanabe M, Yokoyama H, Nemoto T. All-synchronized picosecond pulses and time-gated detection improve the spatial resolution of two-photon STED microscopy in brain tissue imaging. PLoS One 2023; 18:e0290550. [PMID: 37616194 PMCID: PMC10449175 DOI: 10.1371/journal.pone.0290550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023] Open
Abstract
Super-resolution in two-photon excitation (2PE) microscopy offers new approaches for visualizing the deep inside the brain functions at the nanoscale. In this study, we developed a novel 2PE stimulated-emission-depletion (STED) microscope with all-synchronized picosecond pulse light sources and time-gated fluorescence detection, namely, all-pulsed 2PE-gSTED microscopy. The implementation of time-gating is critical to excluding undesirable signals derived from brain tissues. Even in a case using subnanosecond pulses for STED, the impact of time-gating was not negligible; the spatial resolution in the image of the brain tissue was improved by approximately 1.4 times compared with non time-gated image. This finding demonstrates that time-gating is more useful than previously thought for improving spatial resolution in brain tissue imaging. This microscopy will facilitate deeper super-resolution observation of the fine structure of neuronal dendritic spines and the intracellular dynamics in brain tissue.
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Affiliation(s)
- Hirokazu Ishii
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki, Japan
- School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan
| | - Kohei Otomo
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki, Japan
- Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Ching-Pu Chang
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki, Japan
- Faculty of Medicine, Hokkaido University, Sapporo, Japan
| | | | | | - Hiroyuki Yokoyama
- New Industry Creation Hatchery Center (NICHe), Tohoku University, Sendai, Japan
| | - Tomomi Nemoto
- Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, Okazaki, Japan
- National Institute for Physiological Sciences (NIPS), National Institutes of Natural Sciences, Okazaki, Japan
- School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Japan
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Dilsizoglu Senol A, Samarani M, Syan S, Guardia CM, Nonaka T, Liv N, Latour-Lambert P, Hasegawa M, Klumperman J, Bonifacino JS, Zurzolo C. α-Synuclein fibrils subvert lysosome structure and function for the propagation of protein misfolding between cells through tunneling nanotubes. PLoS Biol 2021; 19:e3001287. [PMID: 34283825 PMCID: PMC8291706 DOI: 10.1371/journal.pbio.3001287] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 05/13/2021] [Indexed: 01/06/2023] Open
Abstract
The accumulation of α-synuclein (α-syn) aggregates in specific brain regions is a hallmark of synucleinopathies including Parkinson disease (PD). α-Syn aggregates propagate in a "prion-like" manner and can be transferred inside lysosomes to recipient cells through tunneling nanotubes (TNTs). However, how lysosomes participate in the spreading of α-syn aggregates is unclear. Here, by using super-resolution (SR) and electron microscopy (EM), we find that α-syn fibrils affect the morphology of lysosomes and impair their function in neuronal cells. In addition, we demonstrate that α-syn fibrils induce peripheral redistribution of lysosomes, likely mediated by transcription factor EB (TFEB), increasing the efficiency of α-syn fibrils' transfer to neighboring cells. We also show that lysosomal membrane permeabilization (LMP) allows the seeding of soluble α-syn in cells that have taken up α-syn fibrils from the culture medium, and, more importantly, in healthy cells in coculture, following lysosome-mediated transfer of the fibrils. Moreover, we demonstrate that seeding occurs mainly at lysosomes in both donor and acceptor cells, after uptake of α-syn fibrils from the medium and following their transfer, respectively. Finally, by using a heterotypic coculture system, we determine the origin and nature of the lysosomes transferred between cells, and we show that donor cells bearing α-syn fibrils transfer damaged lysosomes to acceptor cells, while also receiving healthy lysosomes from them. These findings thus contribute to the elucidation of the mechanism by which α-syn fibrils spread through TNTs, while also revealing the crucial role of lysosomes, working as a Trojan horse for both seeding and propagation of disease pathology.
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Affiliation(s)
- Aysegul Dilsizoglu Senol
- Unité de Trafic Membranaire et Pathogénèse, Département de Biologie Cellulaire et de l’Infection, Institut Pasteur, Paris, France
| | - Maura Samarani
- Unité de Trafic Membranaire et Pathogénèse, Département de Biologie Cellulaire et de l’Infection, Institut Pasteur, Paris, France
| | - Sylvie Syan
- Unité de Trafic Membranaire et Pathogénèse, Département de Biologie Cellulaire et de l’Infection, Institut Pasteur, Paris, France
| | - Carlos M. Guardia
- Neurosciences and Cellular and Structural Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Takashi Nonaka
- Dementia Research Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Nalan Liv
- Section Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Patricia Latour-Lambert
- Dynamique des Interaction Hôte–Pathogène, Département de Biologie Cellulaire et de l’Infection, Institut Pasteur, Paris, France
| | - Masato Hasegawa
- Dementia Research Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Judith Klumperman
- Section Cell Biology, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Juan S. Bonifacino
- Neurosciences and Cellular and Structural Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Chiara Zurzolo
- Unité de Trafic Membranaire et Pathogénèse, Département de Biologie Cellulaire et de l’Infection, Institut Pasteur, Paris, France
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