UBE3A and ASPM: Interactions in Microcephaly
Author Information
Author(s): Singhmar Pooja, Kumar Arun
Primary Institution: Indian Institute of Science, Bangalore, Karnataka, India
Hypothesis
The study investigates the interaction between the Angelman syndrome protein UBE3A and the primary microcephaly protein ASPM and its implications for chromosome segregation.
Conclusion
UBE3A is linked to chromosome segregation and its loss leads to abnormal cytokinesis and increased apoptosis, suggesting a role in microcephaly development.
Supporting Evidence
- UBE3A interacts with ASPM, which is crucial for proper chromosome segregation.
- Loss of UBE3A leads to increased apoptosis in cells.
- UBE3A is localized to centrosomes during mitosis, similar to ASPM.
Takeaway
This study shows that a protein called UBE3A helps another protein, ASPM, do its job during cell division, and when UBE3A doesn't work right, it can cause problems in brain development.
Methodology
The researchers used yeast two-hybrid analysis to identify interactions between UBE3A and ASPM, and conducted various assays including Western blotting and immunofluorescence to study their functions.
Limitations
The study was conducted in an embryonic kidney cell line, and further research is needed to confirm findings in neuronal progenitor cells.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website