The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Degradation of lipid droplet-associated proteins by chaperone-mediated autophagy facilitates lipolysis
Open accessAbstract
Chaperone-mediated autophagy (CMA) selectively degrades a subset of cytosolic proteins in lysosomes. A potent physiological activator of CMA is nutrient deprivation, a condition in which intracellular triglyceride stores or lipid droplets (LDs) also undergo hydrolysis (lipolysis) to generate free fatty acids for energetic purposes. Here we report that the LD-associated proteins perilipin 2 (PLIN2) and perilipin 3 (PLIN3) are CMA substrates and their degradation through CMA precedes lipolysis. In vivo studies revealed that CMA degradation of PLIN2 and PLIN3 was enhanced during starvation, concurrent with elevated levels of cytosolic adipose triglyceride lipase (ATGL) and macroautophagy proteins on LDs. CMA blockage both in cultured cells and mouse liver or expression of CMA-resistant PLINs leads to reduced association of ATGL and macrolipophagy-related proteins with LDs and the subsequent decrease in lipid oxidation and accumulation of LDs. We propose a role for CMA in LD biology and in the maintenance of lipid homeostasis.
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Cites
Autophagy regulates lipid metabolism
Singh, R., Kaushik, S., Wang, Y., Xiang, Y., Novak, I., Komatsu, M., Tanaka, K., Cuervo, A. M., & Czaja, M. J. (2009) · Nature · doi:10.1038/nature07976 · Cited by 3,975
Self-citationAutophagy Regulates Cholesterol Efflux from Macrophage Foam Cells via Lysosomal Acid Lipase
Ouimet, M., Franklin, V., Mak, E., Liao, X., Tabas, I., & Marcel, Y. L. (2011) · Cell Metabolism · doi:10.1016/j.cmet.2011.03.023 · Cited by 774
Consequences of the selective blockage of chaperone-mediated autophagy
Massey, A. C., Kaushik, S., Sovak, G., Kiffin, R., & Cuervo, A. M. (2006) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0507436103 · Cited by 529
Self-citationAltered dynamics of the lysosomal receptor for chaperone-mediated autophagy with age
Kiffin, R., Kaushik, S., Zeng, M., Bandyopadhyay, U., Zhang, C., Massey, A. C., Martinez-Vicente, M., & Cuervo, A. M. (2007) · Journal of Cell Science · doi:10.1242/jcs.001073 · Cited by 213
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Dynamics and functions of lipid droplets
Olzmann, J. A., & Carvalho, P. (2019) · Nature Reviews Molecular Cell Biology · doi:10.1038/s41580-018-0085-z · Cited by 2,740
Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition) 1
Klionsky, D. J., Abdel-Aziz, A. K., Abdelfatah, S., Abdellatif, M., Abdoli, A., Abel, S., Abeliovich, H., Abildgaard, M. H., Abudu, Y. P., Acevedo-Arozena, A., et al. (2021) · Autophagy · doi:10.1080/15548627.2020.1797280 · Cited by 2,897
Self-citationMolecular definitions of autophagy and related processes
Galluzzi, L., Baehrecke, E. H., Ballabio, A., Boya, P., Bravo‐San Pedro, J. M., Cecconi, F., Choi, A. M., Chu, C. T., Codogno, P., Colombo, M. I., et al. (2017) · The EMBO Journal · doi:10.15252/embj.201796697 · Cited by 1,646
Self-citationAutophagy in major human diseases
Klionsky, D. J., Petroni, G., Amaravadi, R. K., Baehrecke, E. H., Ballabio, A., Boya, P., Bravo‐San Pedro, J. M., Cadwell, K., Cecconi, F., Choi, A. M. K., et al. (2021) · The EMBO Journal · doi:10.15252/embj.2021108863 · Cited by 1,585
Self-citationThe coming of age of chaperone-mediated autophagy
Kaushik, S., & Cuervo, A. M. (2018) · Nature Reviews Molecular Cell Biology · doi:10.1038/s41580-018-0001-6 · Cited by 1,407
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Metadata
- Authors
- Kaushik, S., & Cuervo, A. M.
- Venue
- Nature Cell Biology
- Published
- 2015-05-11
- Volume
- 17
- Issue
- 6
- Pages
- 759-770
- ISSN
- 1465-7392 (ISSN-L)
- 1476-4679
- OpenAlex
- W1706150252
- Cited by
- 714
- References
- 4
- FWCI
- 34.17
- Type
- journal article
- Language
- en
- Open access
- green
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