Opposing Mcl-1, the GALIG proapoptotic gene is upregulated as neutrophils die and underexpressed in Acute Myeloid Leukemia cells.

Abstract : GALIG gene expression induces apoptosis in cultured cells through a pathway still under investigation. It is highly expressed in leukocytes but weakly detectable in bone marrow, suggesting a role in the myeloid lineage homeostasis. We show here that GALIG-induced cell death is counteracted by the overexpression of MCL-1, a pro-survival member of the Bcl2 family. Moreover, during spontaneous neutrophil apoptosis, a substantial increase in GALIG gene expression is observed: GALIG still opposes MCL-1. Finally, in bone marrow and peripheral blood cells from patients with Acute Myeloid Leukemia type 2, the level of GALIG transcripts is massively down-regulated when compared to their normal counterparts, while MCL-1 is expressed to the same extent. These data suggest that GALIG could be a key player in the cell death pathway involved in leukocytes homeostasis and myeloid malignancies.
Document type :
Journal articles
Complete list of metadatas

https://hal.archives-ouvertes.fr/hal-00840170
Contributor : Isabelle Frapart <>
Submitted on : Monday, July 1, 2013 - 5:06:44 PM
Last modification on : Thursday, June 20, 2019 - 7:50:03 AM

Identifiers

Citation

Lucile Mollet, Pauline Robinet, Martine Dubois, Axel Aurouet, Thierry Normand, et al.. Opposing Mcl-1, the GALIG proapoptotic gene is upregulated as neutrophils die and underexpressed in Acute Myeloid Leukemia cells.. Molecular Immunology, Elsevier, 2013, 56 (1-2), pp.123-8. ⟨10.1016/j.molimm.2013.04.012⟩. ⟨hal-00840170⟩

Share

Metrics

Record views

178