Protective mitochondrial transfer from bone marrow stromal cells to acute myeloid leukemic cells during chemotherapy

Author:

Moschoi Ruxanda12,Imbert Véronique12,Nebout Marielle12,Chiche Johanna23,Mary Didier12,Prebet Thomas4,Saland Estelle5,Castellano Rémy678,Pouyet Laurent678,Collette Yves678,Vey Norbert4,Chabannon Christian4,Recher Christian5,Sarry Jean-Emmanuel5,Alcor Damien29,Peyron Jean-François12,Griessinger Emmanuel12ORCID

Affiliation:

1. INSERM U1065, Mediterranean Centre for Molecular Medicine (C3M), Team 4 Inflammation, Cancer, Cancer Stem Cells, Nice, France;

2. Faculté de Médecine, Université de Nice Sophia Antipolis, Nice, France;

3. INSERM U1065, C3M, Team 3, Regulation of caspase-dependent and -independent cell deaths, Nice, France;

4. Département d’Onco-Hématologie, Institut Paoli-Calmette, Marseille, France;

5. Team RESIST@ML–Chemoresistance, Stem Cells & Metabolism in AML, Cancer Research Center of Toulouse, Unité Mixte de Recherche Médicale (UMR) 1037, Toulouse, France;

6. Institut Paoli-Calmettes, Aix-Marseille Université, Marseille, France;

7. Centre National de la Recherche Scientifique, UMR725, Marseille, France;

8. Centre de Recherche en Cancérologie de Marseille, TrGET Platform, INSERM, U1068, Marseille, France; and

9. INSERM U1065, C3M, Microscopy Core Facility, Nice, France

Abstract

Key Points Bone marrow mesenchymal stromal cells transfer functional mitochondria to AML cells in vitro and in vivo through endocytic pathways. This mitochondria transfer is enhanced by some chemotherapies and confers a survival advantage to leukemic blasts and leukemia initiating cells.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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