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Cited by 331

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

Cellular Localization and Trafficking of the Human ABCA1 Transporter

Open access
Neufeld, Edward B., Remaley, Alan T., Demosky, Stephen J., Stonik, John A., Cooney, Adele M., Comly, Marcy, Dwyer, Nancy K., Zhang, Mei, Blanchette-Mackie, Joan, Santamarina-Fojo, Silvia, Brewer, H. Bryan·2001·Journal of Biological Chemistry

Abstract

ABCA1, the ATP-binding cassette protein mutated in Tangier disease, mediates the efflux of excess cellular sterol to apoA-I and thereby the formation of high density lipoprotein. The intracellular localization and trafficking of ABCA1 was examined in stably and transiently transfected HeLa cells expressing a functional human ABCA1-green fluorescent protein (GFP) fusion protein. The fluorescent chimeric ABCA1 transporter was found to reside on the cell surface and on intracellular vesicles that include a novel subset of early endosomes, as well as late endosomes and lysosomes. Studies of the localization and trafficking of ABCA1-GFP in the presence of brefeldin A or monensin, agents known to block intracellular vesicular trafficking, as well as apoA-I-mediated cellular lipid efflux, showed that: (i) ABCA1 functions in lipid efflux at the cell surface, and (ii) delivery of ABCA1 to lysosomes for degradation may serve as a mechanism to modulate its surface expression. Time-lapse fluorescence microscopy revealed that ABCA1-GFP-containing early endosomes undergo fusion, fission, and tubulation and transiently interact with one another, late endocytic vesicles, and the cell surface. These studies establish a complex intracellular trafficking pathway for human ABCA1 that may play important roles in modulating ABCA1 transporter activity and cellular cholesterol homeostasis.

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Metadata

Authors
Neufeld, E. B., Remaley, A. T., Demosky, S. J., Stonik, J. A., Cooney, A. M., Comly, M., Dwyer, N. K., Zhang, M., Blanchette-Mackie, J., Santamarina-Fojo, S., & Brewer, H. B.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2001-07
Volume
276
Issue
29
Pages
27584-27590
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2159836929
Cited by
331
References
35
FWCI
26.08
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Cellular Localization and Trafficking of the Human ABCA1 Transporter. https://app.cochat.ai/papers/10.1074/jbc.m103264200
The paper
Neufeld, E. B., Remaley, A. T., Demosky, S. J., Stonik, J. A., Cooney, A. M., Comly, M., Dwyer, N. K., Zhang, M., Blanchette-Mackie, J., Santamarina-Fojo, S., & Brewer, H. B. (2001). Cellular Localization and Trafficking of the Human ABCA1 Transporter. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m103264200

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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