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Imaging Cleared Embryonic and Postnatal Hearts at Single-cell Resolution
Published on: October 7, 2016
Elfin is expressed during early heart development
M Kotaka1, Y M Lau, K K Cheung
1Department of Biochemistry, The Chinese University of Hong Kong, Hong Kong.
Journal of Cellular Biochemistry
|October 12, 2001
Summary
Elfin, a protein in the Enigma family, is abundant in the heart and localizes to actin stress fibers. Its early expression during mouse development suggests a role in myofibrillogenesis and heart formation.
Area of Science:
- Molecular and Cellular Biology
- Developmental Biology
- Cardiovascular Research
Background:
- Elfin (CLIM1) is an Enigma family protein with PDZ and LIM domains, facilitating protein-protein interactions.
- Enigma proteins are hypothesized to link kinases with the cytoskeleton.
- Previous studies identified Elfin's high expression in the heart, co-localizing with alpha-actinin 2 at myocardial Z-disks.
Purpose of the Study:
- To investigate the subcellular localization and developmental expression of Elfin.
- To explore Elfin's potential role in myofibrillogenesis and heart development.
Main Methods:
- Green fluorescent protein (GFP) tagging to visualize Elfin localization in myoblasts.
- In situ hybridization and immunostaining to determine Elfin expression patterns during mouse development.
Main Results:
- Elfin was observed to localize at actin stress fibers in myoblasts.
- Elfin expression initiates early in mouse development and is sustained throughout heart development.
Conclusions:
- Elfin's localization to actin stress fibers and its developmental expression pattern support its involvement in myofibrillogenesis.
- The findings suggest Elfin plays a significant role in the development of the heart.
