Caveolae: From a morphological point of view

Toyoshi Fujimoto, Haruo Hagiwara, Takeo Aoki, Hiroshi Kogo, Ryuji Nomura

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


Caveolae in the plasma membrane have been a focus of intensive research during the past several years. There has been confusion concerning caveolae and caveola-like membrane domains, but it is now generally thought that the latter is a region distinct from caveolae. However, due to similar buoyancy of caveolae and caveola-like membranes, whether caveolae in situ are enriched with a given molecule is often difficult to be concluded by biochemical techniques alone. Furthermore, relatively shallow caveolae may be detected by some techniques, but not by others. Thus whether a molecule is enriched in caveolae should be confirmed by methods based on different principles. Among many putative caveolar molecules, those related to Ca2+ influx and extrusion were shown to be concentrated in caveolae by both immunocytochemical and biochemical techniques. In conjunction with other characteristics, the result implies that caveolae may function as a mobile compartment for Ca2+ signalling.

Original languageEnglish
Pages (from-to)451-460
Number of pages10
JournalJournal of Electron Microscopy
Issue number5
Publication statusPublished - 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Instrumentation


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