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- Title
Immunolabeling artifacts and the need for live-cell imaging.
- Authors
Schnell, Ulrike; Dijk, Freark; Sjollema, Klaas A; Giepmans, Ben N G
- Abstract
Fluorescent fusion proteins have revolutionized examination of proteins in living cells. Still, studies using these proteins are met with criticism because proteins are modified and ectopically expressed, in contrast to immunofluorescence studies. However, introducing immunoreagents inside cells can cause protein extraction or relocalization, not reflecting the in vivo situation. Here we discuss pitfalls of immunofluorescence labeling that often receive little attention and argue that immunostaining experiments in dead, permeabilized cells should be complemented with live-cell imaging when scrutinizing protein localization.
- Subjects
SINGLE cell proteins; PROTEIN analysis; IMMUNOGLOBULINS; IMMUNOFLUORESCENCE; IMMUNOLOGY technique
- Publication
Nature Methods, 2012, Vol 9, Issue 2, p152
- ISSN
1548-7091
- Publication type
Article
- DOI
10.1038/nmeth.1855