The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
CGI-58 Interacts with Perilipin and Is Localized to Lipid Droplets
Open accessAbstract
Lipid droplets (LDs) are a class of ubiquitous cellular organelles that are involved in lipid storage and metabolism. Although the mechanisms of the biogenesis of LDs are still unclear, a set of proteins called the PAT domain family have been characterized as factors associating with LDs. Perilipin, a member of this family, is expressed exclusively in the adipose tissue and regulates the breakdown of triacylglycerol in LDs via its phosphorylation. In this study, we used a yeast two-hybrid system to examine the potential function of perilipin. We found direct interaction between perilipin and CGI-58, a deficiency of which correlated with the pathogenesis of Chanarin-Dorfman syndrome (CDS). Endogenous CGI-58 was distributed predominantly on the surface of LDs in differentiated 3T3-L1 cells, and its expression increased during adipocyte differentiation. Overexpressed CGI-58 tagged with GFP gathered at the surface of LDs and colocalized with perilipin. This interaction seems physiologically important because CGI-58 mutants carrying an amino acid substitution identical to that found in CDS lost the ability to be recruited to LDs. These mutations significantly weakened the binding of CGI-58 with perilipin, indicating that the loss of this interaction is involved in the etiology of CDS. Furthermore, we identified CGI-58 as a binding partner of ADRP, another PAT domain protein expressed ubiquitously, by yeast two-hybrid assay. GFP-CGI-58 expressed in non-differentiated 3T3-L1 or CHO-K1 cells was colocalized with ADRP, and the CGI-58 mutants were not recruited to LDs carrying ADRP, indicating that CGI-58 may also cooperate with ADRP.
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Cites
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The Surface of Lipid Droplets Is a Phospholipid Monolayer with a Unique Fatty Acid Composition
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Tansey, J. T., Sztalryd, C., Gruia-Gray, J., Roush, D. L., Zee, J. V., Gavrilova, O., Reitman, M. L., Deng, C.-X., Li, C., Kimmel, A. R., et al. (2001) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.101042998 · Cited by 734
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Absence of perilipin results in leanness and reverses obesity in Leprdb/db mice
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Cited by
Regulation of Lipolysis in Adipocytes
Duncan, R. E., Ahmadian, M., Jaworski, K., Sarkadi-Nagy, E., & Sul, H. S. (2007) · Annual Review of Nutrition · doi:10.1146/annurev.nutr.27.061406.093734 · Cited by 1,021
Brasaemle, D. L. (2007) · Journal of Lipid Research · doi:10.1194/jlr.r700014-jlr200 · Cited by 992
Perry, R. J., Camporez, J.-P. G., Kursawe, R., Titchenell, P. M., Zhang, D., Perry, C. J., Jurczak, M. J., Abudukadier, A., Han, M. S., Zhang, X.-M., et al. (2015) · Cell · doi:10.1016/j.cell.2015.01.012 · Cited by 719
Adipose triglyceride lipase and the lipolytic catabolism of cellular fat stores.
Zechner, R., Kienesberger, P. C., Haemmerle, G., Zimmermann, R., & Lass, A. (2009) · Journal of Lipid Research · doi:10.1194/jlr.r800031-jlr200 · Cited by 576
Granneman, J. G., Moore, H.-P. H., Krishnamoorthy, R., & Rathod, M. (2009) · Journal of Biological Chemistry · doi:10.1074/jbc.m109.068478 · Cited by 386
Metadata
- Authors
- Yamaguchi, T., Omatsu, N., Matsushita, S., & Osumi, T.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2004-07
- Volume
- 279
- Issue
- 29
- Pages
- 30490-30497
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W1978921042
- Cited by
- 258
- References
- 48
- FWCI
- 4.77
- Type
- journal article
- Language
- en
- Open access
- hybrid
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