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Updated: May 26, 2026
12:06
Surface Spreading and Immunostaining of Yeast Chromosomes
Published on: August 9, 2015
Overexpressed Spindlin1 relocalizes to the nucleoli during fixation
Falk Ike Fischer1, Antigona Pervetica1, Marie Moeser1
1Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany.
Biochemistry and Biophysics Reports
|May 25, 2026
Summary
Spindlin1
Area of Science:
- Cell Biology
- Molecular Biology
- Cancer Research
Background:
- Spindlin1 is a histone reader protein implicated in tumorigenesis.
- Its functions and interactions are under extensive investigation.
- Reported variations in Spindlin1's subcellular localization lack clear explanations.
Purpose of the Study:
- To investigate the origins of varying subcellular distributions of Spindlin1.
- To determine the impact of fixation methods on Spindlin1 localization studies.
- To address discrepancies in the literature regarding Spindlin1 localization.
Main Methods:
- Utilized mCherry-tagged Spindlin1 for live-cell imaging.
- Investigated the effect of formaldehyde fixation on Spindlin1 localization.
- Examined antibody-dependent detection of Spindlin1 in nucleoli.
Main Results:
- Formaldehyde fixation induces nucleolar enrichment of mCherry-tagged Spindlin1.
- Nucleolar detection of Spindlin1 is epitope-dependent.
- Methodological artifacts contribute to reported discrepancies in Spindlin1 localization.
Conclusions:
- Fixation-based methods can artifactually alter Spindlin1's perceived subcellular distribution.
- Epitope selection is critical for accurate Spindlin1 detection.
- Complementary, non-fixation-based approaches are necessary for reliable Spindlin1 research.
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