Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition)

Klionsky DJ et al. 2021. Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition). Autophagy. 17(1), 1–382.


Journal Article | Published | English

Scopus indexed
Author
Klionsky, Daniel J.; Abdel-Aziz, Amal Kamal; Abdelfatah, Sara; Abdellatif, Mahmoud; Abdoli, Asghar; Abel, Steffen; Abeliovich, Hagai; Abildgaard, Marie H.; Abudu, Yakubu Princely; Acevedo-Arozena, Abraham; Adamopoulos, Iannis E.; Adeli, Khosrow
All
Abstract
In 2008, we published the first set of guidelines for standardizing research in autophagy. Since then, this topic has received increasing attention, and many scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Thus, it is important to formulate on a regular basis updated guidelines for monitoring autophagy in different organisms. Despite numerous reviews, there continues to be confusion regarding acceptable methods to evaluate autophagy, especially in multicellular eukaryotes. Here, we present a set of guidelines for investigators to select and interpret methods to examine autophagy and related processes, and for reviewers to provide realistic and reasonable critiques of reports that are focused on these processes. These guidelines are not meant to be a dogmatic set of rules, because the appropriateness of any assay largely depends on the question being asked and the system being used. Moreover, no individual assay is perfect for every situation, calling for the use of multiple techniques to properly monitor autophagy in each experimental setting. Finally, several core components of the autophagy machinery have been implicated in distinct autophagic processes (canonical and noncanonical autophagy), implying that genetic approaches to block autophagy should rely on targeting two or more autophagy-related genes that ideally participate in distinct steps of the pathway. Along similar lines, because multiple proteins involved in autophagy also regulate other cellular pathways including apoptosis, not all of them can be used as a specific marker for bona fide autophagic responses. Here, we critically discuss current methods of assessing autophagy and the information they can, or cannot, provide. Our ultimate goal is to encourage intellectual and technical innovation in the field.
Publishing Year
Date Published
2021-02-08
Journal Title
Autophagy
Acknowledgement
This work was supported by the National Institute of General Medical Sciences [GM131919]. Due to space and other limitations, it is not possible to include all other sources of financial support.
Volume
17
Issue
1
Page
1-382
ISSN
eISSN
IST-REx-ID

Cite this

Klionsky DJ, Abdel-Aziz AK, Abdelfatah S, et al. Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition). Autophagy. 2021;17(1):1-382. doi:10.1080/15548627.2020.1797280
Klionsky, D. J., Abdel-Aziz, A. K., Abdelfatah, S., Abdellatif, M., Abdoli, A., Abel, S., … Tong, C. K. (2021). Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition). Autophagy. Bellwether Publishing. https://doi.org/10.1080/15548627.2020.1797280
Klionsky, Daniel J., Amal Kamal Abdel-Aziz, Sara Abdelfatah, Mahmoud Abdellatif, Asghar Abdoli, Steffen Abel, Hagai Abeliovich, et al. “Guidelines for the Use and Interpretation of Assays for Monitoring Autophagy (4th Edition).” Autophagy. Bellwether Publishing, 2021. https://doi.org/10.1080/15548627.2020.1797280.
D. J. Klionsky et al., “Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition),” Autophagy, vol. 17, no. 1. Bellwether Publishing, pp. 1–382, 2021.
Klionsky DJ et al. 2021. Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition). Autophagy. 17(1), 1–382.
Klionsky, Daniel J., et al. “Guidelines for the Use and Interpretation of Assays for Monitoring Autophagy (4th Edition).” Autophagy, vol. 17, no. 1, Bellwether Publishing, 2021, pp. 1–382, doi:10.1080/15548627.2020.1797280.
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