Conservation of CD44 exon v3 in mammals
Author Information
Author(s): Vela Elena, Hilari Josep M, Delclaux María, Fernández-Bellon Hugo, Isamat Marcos
Primary Institution: Laboratorio Dr. Echevarne, Barcelona, Spain
Hypothesis
The study investigates the conservation of CD44 exon v3 and its functional elements across different mammalian species.
Conclusion
CD44v3 sequences in mammals maintain all functional splicing regulatory elements and the GAG binding site, indicating it may be an exclusive mammalian gene trait.
Supporting Evidence
- The study analyzed CD44v3 in 95 mammalian species to assess conservation levels.
- High conservation levels were found for splicing regulatory elements and the GAG binding site.
- Functional expression of CD44v3 isoforms was confirmed in peripheral blood cells of various mammals.
Takeaway
Scientists looked at a part of a gene called CD44v3 in 95 different mammals and found that it works the same way in all of them, showing it's special to mammals.
Methodology
The study involved analyzing CD44v3 sequences from blood samples of 95 mammalian species using PCR and sequencing techniques.
Limitations
The study did not include non-mammalian species such as birds, fish, or reptiles, limiting the scope of the findings.
Participant Demographics
The study included 95 mammalian species from 29 families.
Digital Object Identifier (DOI)
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