Molecular Characterization of the Region 7q22.1 in Splenic Marginal Zone Lymphomas
2011

Genomic Changes in Splenic Marginal Zone Lymphomas

Sample size: 73 publication Evidence: moderate

Author Information

Author(s): Robledo Cristina, García Juan L., Benito Rocío, Flores Teresa, Mollejo Manuela, Martínez-Climent José Ángel, García Eva, Gutiérrez Norma C., Piris Miguel A., Hernández Jesús M.

Primary Institution: Unidad de Diagnóstico Molecular y Celular del Cáncer, IBMCC, Centro de Investigación del Cáncer, Universidad de Salamanca-CSIC, Salamanca, Spain

Hypothesis

To characterize the genomic imbalances in splenic marginal zone lymphomas (SMZL).

Conclusion

The study identified a new region of loss on chromosome 7 (7q22.1) in splenic marginal zone lymphomas, confirming it as a common molecular abnormality.

Supporting Evidence

  • 84% of patients showed genomic changes.
  • 49% of patients had a deletion in the 7q22.1 region.
  • The study confirmed the presence of a new region of loss on chromosome 7 in these lymphomas.

Takeaway

Researchers looked at DNA changes in a type of lymphoma and found a specific area on chromosome 7 that is often missing in patients.

Methodology

The study used comparative genomic hybridization (CGH) arrays and tiling arrays to analyze genomic changes in patients with SMZL.

Limitations

The study may not cover all genetic variations present in SMZL due to the focus on specific regions.

Participant Demographics

The study included 73 patients, with 52% being women and ages ranging from 44 to 86 years.

Digital Object Identifier (DOI)

10.1371/journal.pone.0024939

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