RelB-Dependent Stromal Cells Promote T-Cell Leukemogenesis
2008

RelB-Dependent Stromal Cells Promote T-Cell Leukemogenesis

publication 10 minutes Evidence: moderate

Author Information

Author(s): dos Santos Nuno R., Williame Maryvonne, Gachet Stéphanie, Cormier Françoise, Janin Anne, Weih Debra, Weih Falk, Ghysdael Jacques

Primary Institution: Institut Curie, Centre de Recherche, Orsay, France

Hypothesis

RelB plays a role in stromal cells that promote T-cell leukemogenesis.

Conclusion

RelB in non-hematopoietic stromal cells facilitates T-cell leukemogenesis induced by the TEL-JAK2 oncoprotein.

Supporting Evidence

  • RelB deficiency delayed leukemia onset in a mouse model of T-cell leukemia.
  • RelB is not required in the hematopoietic compartment but plays a role in stromal cells.
  • RelB-deficient mice showed reduced tumor load in thymus and lymph nodes.

Takeaway

This study found that a protein called RelB helps certain cells in the body support the growth of leukemia, a type of cancer that affects blood cells.

Methodology

The study used transgenic mouse models and bone marrow chimeric experiments to assess the role of RelB in T-cell leukemia.

Limitations

The study does not distinguish whether RelB function is required intrinsically in hematopoietic cells or in non-leukemic cells from the tumor microenvironment.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0002555

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