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Cereghetti G, Kissling VM, Koch LM, Arm A, Schmidt CC, Thüringer Y, Zamboni N, Afanasyev P, Linsenmeier M, Eichmann C, Kroschwald S, Zhou J, Cao Y, Pfizenmaier DM, Wiegand T, Cadalbert R, Gupta G, Boehringer D, Knowles TPJ, Mezzenga R, Arosio P, Riek R, Peter M. An evolutionarily conserved mechanism controls reversible amyloids of pyruvate kinase via pH-sensing regions. Dev Cell 2024; 59:1876-1891.e7. [PMID: 38788715 DOI: 10.1016/j.devcel.2024.04.018] [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: 06/01/2022] [Revised: 10/15/2023] [Accepted: 04/26/2024] [Indexed: 05/26/2024]
Abstract
Amyloids are known as irreversible aggregates associated with neurodegenerative diseases. However, recent evidence shows that a subset of amyloids can form reversibly and fulfill essential cellular functions. Yet, the molecular mechanisms regulating functional amyloids and distinguishing them from pathological aggregates remain unclear. Here, we investigate the conserved principles of amyloid reversibility by studying the essential metabolic enzyme pyruvate kinase (PK) in yeast and human cells. We demonstrate that yeast PK (Cdc19) and human PK (PKM2) form reversible amyloids through a pH-sensitive amyloid core. Stress-induced cytosolic acidification promotes aggregation via protonation of specific glutamate (yeast) or histidine (human) residues within the amyloid core. Mutations mimicking protonation cause constitutive PK aggregation, while non-protonatable PK mutants remain soluble even upon stress. Physiological PK aggregation is coupled to metabolic rewiring and glycolysis arrest, causing severe growth defects when misregulated. Our work thus identifies an evolutionarily conserved, potentially widespread mechanism regulating functional amyloids during stress.
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Affiliation(s)
- Gea Cereghetti
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland; Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, CB2 1EW Cambridge, UK.
| | - Vera M Kissling
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland; Particles-Biology Interactions Laboratory, Department of Materials Meet Life, Empa, 9014 St. Gallen, Switzerland
| | - Lisa M Koch
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Alexandra Arm
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Claudia C Schmidt
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Yannik Thüringer
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Nicola Zamboni
- Institute of Molecular Systems Biology, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Pavel Afanasyev
- Cryo-EM Knowledge Hub (CEMK), ETH Zurich, 8093 Zürich, Switzerland
| | - Miriam Linsenmeier
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Cédric Eichmann
- Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Sonja Kroschwald
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Jiangtao Zhou
- Department of Health Sciences & Technology, ETH Zürich, 8092 Zürich, Switzerland
| | - Yiping Cao
- Department of Health Sciences & Technology, ETH Zürich, 8092 Zürich, Switzerland
| | - Dorota M Pfizenmaier
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland
| | - Thomas Wiegand
- Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland; Max Planck Institute for Chemical Energy Conversion, 45470 Mülheim an der Ruhr, Germany; Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Riccardo Cadalbert
- Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Govind Gupta
- Particles-Biology Interactions Laboratory, Department of Materials Meet Life, Empa, 9014 St. Gallen, Switzerland
| | | | - Tuomas P J Knowles
- Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, CB2 1EW Cambridge, UK
| | - Raffaele Mezzenga
- Department of Health Sciences & Technology, ETH Zürich, 8092 Zürich, Switzerland
| | - Paolo Arosio
- Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Roland Riek
- Laboratory of Physical Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Matthias Peter
- Institute of Biochemistry, Department of Biology, ETH Zürich, 8093 Zürich, Switzerland.
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Monteiro C, Gomes MC, Bharmoria P, Freire MG, Coutinho JA, Custódio CA, Mano JF. Human Platelet Lysate-Derived Nanofibrils as Building Blocks to Produce Free-Standing Membranes for Cell Self-Aggregation. ACS NANO 2024; 18:15815-15830. [PMID: 38833572 PMCID: PMC11191744 DOI: 10.1021/acsnano.4c02790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/12/2024] [Accepted: 05/22/2024] [Indexed: 06/06/2024]
Abstract
Amyloid-like fibrils are garnering keen interest in biotechnology as supramolecular nanofunctional units to be used as biomimetic platforms to control cell behavior. Recent insights into fibril functionality have highlighted their importance in tissue structure, mechanical properties, and improved cell adhesion, emphasizing the need for scalable and high-kinetics fibril synthesis. In this study, we present the instantaneous and bulk formation of amyloid-like nanofibrils from human platelet lysate (PL) using the ionic liquid cholinium tosylate as a fibrillating agent. The instant fibrillation of PL proteins upon supramolecular protein-ionic liquid interactions was confirmed from the protein conformational transition toward cross-β-sheet-rich structures. These nanofibrils were utilized as building blocks for the formation of thin and flexible free-standing membranes via solvent casting to support cell self-aggregation. These PL-derived fibril membranes reveal a nanotopographically rough surface and high stability over 14 days under cell culture conditions. The culture of mesenchymal stem cells or tumor cells on the top of the membrane demonstrated that cells are able to adhere and self-organize in a three-dimensional (3D) spheroid-like microtissue while tightly folding the fibril membrane. Results suggest that nanofibril membrane incorporation in cell aggregates can improve cell viability and metabolic activity, recreating native tissues' organization. Altogether, these PL-derived nanofibril membranes are suitable bioactive platforms to generate 3D cell-guided microtissues, which can be explored as bottom-up strategies to faithfully emulate native tissues in a fully human microenvironment.
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Affiliation(s)
- Cátia
F. Monteiro
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | - Maria C. Gomes
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | | | - Mara G. Freire
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | - João A.
P. Coutinho
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | - Catarina A. Custódio
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
| | - João F. Mano
- CICECO − Aveiro Institute
of Materials, Department of Chemistry, University
of Aveiro, Campus Universitário de Santiago, Aveiro 3810-193, Portugal
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Mirza Agha M, Tavili E, Dabirmanesh B. Functional amyloids. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2024; 206:389-434. [PMID: 38811086 DOI: 10.1016/bs.pmbts.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
While amyloid has traditionally been viewed as a harmful formation, emerging evidence suggests that amyloids may also play a functional role in cell biology, contributing to normal physiological processes that have been conserved throughout evolution. Functional amyloids have been discovered in several creatures, spanning from bacteria to mammals. These amyloids serve a multitude of purposes, including but not limited to, forming biofilms, melanin synthesis, storage, information transfer, and memory. The functional role of amyloids has been consistently validated by the discovery of more functional amyloids, indicating a conceptual convergence. The biology of amyloids is well-represented by non-pathogenic amyloids, given the numerous ones already identified and the ongoing rate of new discoveries. In this chapter, functional amyloids in microorganisms, animals, and plants are described.
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Affiliation(s)
- Mansoureh Mirza Agha
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Elaheh Tavili
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Bahareh Dabirmanesh
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
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Peng K, Lozach PY. Rift Valley fever virus: a new avenue of research on the biological functions of amyloids? Future Virol 2021. [DOI: 10.2217/fvl-2021-0094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rift Valley fever is a mosquito-borne viral zoonosis that was first discovered in the Great Rift Valley, Kenya, in 1930. Rift Valley fever virus (RVFV) primarily infects domestic animals and humans, with clinical outcomes ranging from self-limiting febrile illness to acute hepatitis and encephalitis. The virus left Africa a few decades ago, and there is a risk of introduction into southern Europe and Asia. From this perspective, we introduce RVFV and focus on the capacity of its virulence factor, the nonstructural protein NSs, to form amyloid-like fibrils. Here, we discuss the implications for the NSs biological function, the ability of RVFV to evade innate immunity, and RVFV virulence and neurotoxicity.
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Affiliation(s)
- Ke Peng
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, Hubei, 430071, PR China
- University of the Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Pierre-Yves Lozach
- Cell Networks, CIID (Cluster of Excellence & Center for Integrative Infectious Disease Research), Virology, University Hospital Heidelberg, 69120, Heidelberg, Germany
- University of Lyon, INRAE, EPHE, IVPC (Infections Virales et Pathologie Comparée), 69007, Lyon, France
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