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Engineering Artificial Factors to Specifically Manipulate Alternative Splicing in Human Cells
Published on: April 26, 2017
ZNF265--a novel spliceosomal protein able to induce alternative splicing
D J Adams1, L van der Weyden, A Mayeda
1The University of Sydney, Basic & Clinical Genomics Laboratory, Department of Physiology and Institute for Biomedical Research, Sydney, NSW 2006, Australia.
The Journal of Cell Biology
|July 13, 2001
Summary
ZNF265 is identified as a novel protein involved in messenger RNA (mRNA) processing. This zinc finger protein interacts with key splicing factors and influences mRNA splicing patterns.
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- Spliceosome assembly and function rely on serine/arginine-rich (SR) proteins.
- ZNF265 is a zinc finger protein containing an arginine/serine-rich (RS) domain, suggesting a role in splicing.
Purpose of the Study:
- To investigate the function of ZNF265 in mRNA processing.
- To identify interacting partners and cellular localization of ZNF265.
Main Methods:
- Immunoprecipitation assays to detect ZNF265-mRNA association.
- Yeast two-hybrid analysis to identify protein interactions.
- Confocal microscopy to determine cellular localization.
- Transfection experiments with ZNF265-EGFP fusion constructs.
Main Results:
- ZNF265 immunoprecipitates with mRNA and alters splicing patterns.
- ZNF265 interacts with essential splicing factors U1-70K and U2AF(35).
- ZNF265 colocalizes with splicing machinery components like SMN, U1-70K, SC35, p300, and YY1.
- Nuclear localization of ZNF265 depends on its RS domain.
Conclusions:
- ZNF265 is a novel component of the mRNA processing machinery.
- The RS domain of ZNF265 is crucial for its nuclear localization and function in splicing.
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