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Humbert M, Morán M, de la Cruz-Ojeda P, Muntané J, Wiedmer T, Apostolova N, McKenna SL, Velasco G, Balduini W, Eckhart L, Janji B, Sampaio-Marques B, Ludovico P, Žerovnik E, Langer R, Perren A, Engedal N, Tschan MP. Assessing Autophagy in Archived Tissue or How to Capture Autophagic Flux from a Tissue Snapshot. BIOLOGY 2020; 9:E59. [PMID: 32245178 PMCID: PMC7150830 DOI: 10.3390/biology9030059] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 12/14/2022]
Abstract
Autophagy is a highly conserved degradation mechanism that is essential for maintaining cellular homeostasis. In human disease, autophagy pathways are frequently deregulated and there is immense interest in targeting autophagy for therapeutic approaches. Accordingly, there is a need to determine autophagic activity in human tissues, an endeavor that is hampered by the fact that autophagy is characterized by the flux of substrates whereas histology informs only about amounts and localization of substrates and regulators at a single timepoint. Despite this challenging task, considerable progress in establishing markers of autophagy has been made in recent years. The importance of establishing clear-cut autophagy markers that can be used for tissue analysis cannot be underestimated. In this review, we attempt to summarize known techniques to quantify autophagy in human tissue and their drawbacks. Furthermore, we provide some recommendations that should be taken into consideration to improve the reliability and the interpretation of autophagy biomarkers in human tissue samples.
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Grants
- none Bernese Cancer League
- none Stiftung für klinisch-experimentelle Tumorforschung
- none Werner and Hedy Berger-Janser Foundation for Cancer Research
- PI14/01085 and PI17/00093 FIS and FEDER funds from the EU
- CPII16/00023 ISCIII and FSE funds
- RTI2018-096748-B-100 the Spanish Minsitry of Science, Innovation and Universities
- none University Professor Training Fellowship, Ministry of Science, Innovation and University, Government of Spain
- PI18/00442 the State Plan for R & D + I2013-2016 and funded by the Instituto de Salud Carlos III
- none European Regional Development Fund
- C18/BM/12670304/COMBATIC Luxembourg National Research Fund
- NORTE-01-0145-FEDER-000013 Northern Portugal Regional Operational Programme (NORTE 2020), under the Portugal 2020 Partnership Agreement, by the European Regional Development Fund (FEDER), through the Competitiveness Factors Operational Programme (COMPETE)
- POCI-01-0145-FEDER-028159 and POCI-01-0145-FEDER-030782 FEDER, through the COMPETE
- none National funds, through the Foundation for Science and Technology (FCT
- none ARRS - the Slovenian research agency, programme P1-0140: Proteolysis and its regulation
- KFS-3360-02-2014 the Swiss Cancer Research
- KFS-3409-02-2014 the Swiss Cancer Research
- 31003A_173219 Swiss National Science Foundation
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Affiliation(s)
- Magali Humbert
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - María Morán
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Mitochondrial and Neuromuscular Diseases Laboratory, Instituto de Investigación Sanitaria Hospital ‘12 de Octubre’ (‘imas12’), 28041 Madrid, Spain
- Spanish Network for Biomedical Research in Rare Diseases (CIBERER), U723, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Patricia de la Cruz-Ojeda
- Institute of Biomedicine of Seville (IBiS), Hospital University “Virgen del Rocío”/CSIC/University of Seville, 41013 Seville, Spain;
- Department of Surgery, School of Medicine, University of Seville, 41009 Seville, Spain
| | - Jordi Muntané
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Biomedicine of Seville (IBiS), Hospital University “Virgen del Rocío”/CSIC/University of Seville, 41013 Seville, Spain;
- Department of Surgery, School of Medicine, University of Seville, 41009 Seville, Spain
- Spanish Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Tabea Wiedmer
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Nadezda Apostolova
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Spanish Network for Biomedical Research in Hepatic and Digestive Diseases (CIBERehd), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
- Department of Pharmacology, University of Valencia, 46010 Valencia, Spain
| | - Sharon L. McKenna
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Cancer Research at UCC, Western Gateway Building, University College Cork, T12 XF62 Cork, Ireland
| | - Guillermo Velasco
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biochemistry and Molecular Biology, School of Biology, Complutense University, and Instituto de Investigaciones Sanitarias San Carlos (IdISSC), 28040 Madrid, Spain
| | - Walter Balduini
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Leopold Eckhart
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Dermatology, Medical University of Vienna, Vienna 1090, Austria
| | - Bassam Janji
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Tumor Immunotherapy and Microenvironment (TIME) Group, Department of Oncology—Luxembourg Institute of Health, 1526 Luxembourg City, Luxembourg
| | - Belém Sampaio-Marques
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Paula Ludovico
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Eva Žerovnik
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Biochemistry and Molecular and Structural Biology, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
| | - Rupert Langer
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Aurel Perren
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
| | - Nikolai Engedal
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, 0424 Oslo, Norway
| | - Mario P. Tschan
- TRANSAUTOPHAGY: European Network for Multidisciplinary Research and Translation of Autophagy Knowledge, COST Action CA15138, 08193 Barcelona, Spain; (M.M.); (J.M.); (N.A.); (S.L.M.); (G.V.); (W.B.); (L.E.); (B.J.); (B.S.-M.); (P.L.); (E.Ž.); (N.E.)
- Institute of Pathology, University of Bern, Murtenstrasse 31, CH-3008 Bern, Switzerland; (T.W.); (R.L.); (A.P.)
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152
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Arias E, Cuervo AM. Pros and Cons of Chaperone-Mediated Autophagy in Cancer Biology. Trends Endocrinol Metab 2020; 31:53-66. [PMID: 31699565 PMCID: PMC7020649 DOI: 10.1016/j.tem.2019.09.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 09/16/2019] [Accepted: 09/17/2019] [Indexed: 11/18/2022]
Abstract
Autophagy contributes to cellular quality control and energetics through lysosomal breakdown and recycling of essential cellular components. Chaperone-mediated autophagy (CMA) adds to these autophagic functions the ability to timely and selectively degrade single tagged proteins to terminate their cellular function and, in this way, participate in the regulation of multiple cellular processes. Many cancer cells upregulate CMA for protumorigenic and prosurvival purposes. However, growing evidence supports a physiological role for CMA in limiting malignant transformation. Understanding the mechanisms behind this functional switch of CMA from antioncogenic to pro-oncogenic is fundamental for targeting CMA in cancer treatment. We summarize current understanding of CMA functions in cancer biology and discuss the basis for its context-dependent dual role in oncogenesis.
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Affiliation(s)
- Esperanza Arias
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Ana Maria Cuervo
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Development and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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153
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Dash S, Aydin Y, Moroz K. Chaperone-Mediated Autophagy in the Liver: Good or Bad? Cells 2019; 8:E1308. [PMID: 31652893 PMCID: PMC6912708 DOI: 10.3390/cells8111308] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/17/2019] [Accepted: 10/22/2019] [Indexed: 02/06/2023] Open
Abstract
Hepatitis C virus (HCV) infection triggers autophagy processes, which help clear out the dysfunctional viral and cellular components that would otherwise inhibit the virus replication. Increased cellular autophagy may kill the infected cell and terminate the infection without proper regulation. The mechanism of autophagy regulation during liver disease progression in HCV infection is unclear. The autophagy research has gained a lot of attention recently since autophagy impairment is associated with the development of hepatocellular carcinoma (HCC). Macroautophagy, microautophagy, and chaperone-mediated autophagy (CMA) are three autophagy processes involved in the lysosomal degradation and extracellular release of cytosolic cargoes under excessive stress. Autophagy processes compensate for each other during extreme endoplasmic reticulum (ER) stress to promote host and microbe survival as well as HCC development in the highly stressed microenvironment of the cirrhotic liver. This review describes the molecular details of how excessive cellular stress generated during HCV infection activates CMA to improve cell survival. The pathological implications of stress-related CMA activation resulting in the loss of hepatic innate immunity and tumor suppressors, which are most often observed among cirrhotic patients with HCC, are discussed. The oncogenic cell programming through autophagy regulation initiated by a cytoplasmic virus may facilitate our understanding of HCC mechanisms related to non-viral etiologies and metabolic conditions such as uncontrolled type II diabetes. We propose that a better understanding of how excessive cellular stress leads to cancer through autophagy modulation may allow therapeutic development and early detection of HCC.
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Affiliation(s)
- Srikanta Dash
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
- Southeast Louisiana Veterans Health Care System, 2400 Canal Street, New Orleans, LA 70119, USA.
| | - Yucel Aydin
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
| | - Krzysztof Moroz
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, 1430 Tulane Avenue, New Orleans, LA 70112, USA.
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