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Published 27 May 2003. doi:10.1083/jcb.200302028
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© The Rockefeller University Press, 0021-9525/2003/5/673 $5.00
The Journal of Cell Biology, Volume 161, Number 4, 673-677


Mini-Review

Caveolae/raft-dependent endocytosis



Ivan R. Nabi and Phuong U. Le

Département de Pathologie et Biologie Cellulaire, Université de Montréal, Montreal, Quebec, Canada H3C 3J7

Address correspondence to Dr. Ivan R. Nabi, Département de Pathologie et Biologie Cellulaire, Université de Montréal, C.P. 6128, Succursale A, Montréal, Québec, Canada H3C 3J7. Tel.: (514) 343-6291. Fax: (514) 343-2459. E-mail: ivan.robert.nabi{at}umontreal.ca

Although caveolae are well-characterized subdomains of glycolipid rafts, their distinctive morphology and association with caveolins has led to their internalization being considered different from that of rafts. In this review, we propose that caveolae and rafts are internalized via a common pathway, caveolae/raft-dependent endocytosis, defined by its clathrin independence, dynamin dependence, and sensitivity to cholesterol depletion. The regulatory role of caveolin-1 and ligand sorting in this complex endocytic pathway are specifically addressed.

Key Words: endocytosis; caveolae; glycolipid rafts; caveolin; dynamin


* Abbreviations used in this paper: AMF, autocrine motility factor; CTX, cholera toxin; dynK44A, dynamin K44A mutant.


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