SOX11 Expression in Lymphoid Neoplasms and Its Regulation by Histone Modifications
Author Information
Author(s): Vegliante Maria Carmela, Royo Cristina, Palomero Jara, Salaverria Itziar, Balint Balazs, Martín-Guerrero Idoia, Agirre Xabier, Lujambio Amaia, Richter Julia, Xargay-Torrent Silvia, Bea Silvia, Hernandez Luis, Enjuanes Anna, Calasanz María José, Rosenwald Andreas, Ott German, Roman-Gomez José, Prosper Felipe, Esteller Manel, Jares Pedro, Siebert Reiner, Campo Elias, Martín-Subero José I., Amador Virginia
Primary Institution: Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona
Hypothesis
What are the molecular mechanisms leading to the deregulation of SOX11 expression in lymphoid neoplasms?
Conclusion
The study found that SOX11 expression is associated with activating histone marks and is silenced by inactivating marks, with DNA methylation being functionally inert in this context.
Supporting Evidence
- SOX11 expression is high in aggressive B-cell neoplasms like mantle cell lymphoma and acute lymphoblastic leukemia.
- Histone modifications, rather than DNA methylation, are the main regulators of SOX11 expression.
- SOX11 is silenced in normal hematopoietic cells but expressed in some lymphoid malignancies.
Takeaway
The study shows that a gene called SOX11 is turned on in some blood cancers because of changes in how the DNA is packaged, rather than changes to the DNA itself.
Methodology
The study involved gene expression analysis, DNA methylation profiling, and histone modification assessments in various lymphoid neoplasms and normal cells.
Limitations
The study primarily focuses on SOX11 and may not account for other factors influencing lymphoid neoplasms.
Participant Demographics
The study included 173 primary tumors from various lymphoid neoplasms and 27 cell lines.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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