PLCG1 is required for AML1-ETO leukemia stem cell self-renewal
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PLCG1 is required for AML1-ETO leukemia stem cell self-renewal. / Schnoeder, Tina M; Schwarzer, Adrian; Jayavelu, Ashok Kumar; Hsu, Chen-Jen; Kirkpatrick, Joanna; Döhner, Konstanze; Perner, Florian; Eifert, Theresa; Huber, Nicolas; Arreba-Tutusaus, Patricia; Dolnik, Anna; Assi, Salam A; Nafria, Monica; Jiang, Lu; Dai, Yu-Ting; Chen, Zhu; Chen, Sai-Juan; Kellaway, Sophie G; Ptasinska, Anetta; Ng, Elizabeth S; Stanley, Edouard G; Elefanty, Andrew G; Buschbeck, Marcus; Bierhoff, Holger; Brodt, Steffen; Matziolis, Georg; Fischer, Klaus-Dieter; Hochhaus, Andreas; Chen, Chun-Wei; Heidenreich, Olaf; Mann, Matthias; Lane, Steven W; Bullinger, Lars; Ori, Alessandro; von Eyss, Björn; Bonifer, Constanze; Heidel, Florian H.
In: Blood, Vol. 139, No. 7, 2022, p. 1080-1097.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - PLCG1 is required for AML1-ETO leukemia stem cell self-renewal
AU - Schnoeder, Tina M
AU - Schwarzer, Adrian
AU - Jayavelu, Ashok Kumar
AU - Hsu, Chen-Jen
AU - Kirkpatrick, Joanna
AU - Döhner, Konstanze
AU - Perner, Florian
AU - Eifert, Theresa
AU - Huber, Nicolas
AU - Arreba-Tutusaus, Patricia
AU - Dolnik, Anna
AU - Assi, Salam A
AU - Nafria, Monica
AU - Jiang, Lu
AU - Dai, Yu-Ting
AU - Chen, Zhu
AU - Chen, Sai-Juan
AU - Kellaway, Sophie G
AU - Ptasinska, Anetta
AU - Ng, Elizabeth S
AU - Stanley, Edouard G
AU - Elefanty, Andrew G
AU - Buschbeck, Marcus
AU - Bierhoff, Holger
AU - Brodt, Steffen
AU - Matziolis, Georg
AU - Fischer, Klaus-Dieter
AU - Hochhaus, Andreas
AU - Chen, Chun-Wei
AU - Heidenreich, Olaf
AU - Mann, Matthias
AU - Lane, Steven W
AU - Bullinger, Lars
AU - Ori, Alessandro
AU - von Eyss, Björn
AU - Bonifer, Constanze
AU - Heidel, Florian H
N1 - © 2022 by The American Society of Hematology.
PY - 2022
Y1 - 2022
N2 - In an effort to identify novel drugs targeting fusion-oncogene-induced acute myeloid leukemia (AML), we performed high-resolution proteomic analysis. In AML1-ETO (AE)-driven AML, we uncovered a deregulation of phospholipase C (PLC) signaling. We identified PLCgamma 1 (PLCG1) as a specific target of the AE fusion protein that is induced after AE binding to intergenic regulatory DNA elements. Genetic inactivation of PLCG1 in murine and human AML inhibited AML1-ETO dependent self-renewal programs, leukemic proliferation, and leukemia maintenance in vivo. In contrast, PLCG1 was dispensable for normal hematopoietic stem and progenitor cell function. These findings are extended to and confirmed by pharmacologic perturbation of Ca++-signaling in AML1-ETO AML cells, indicating that the PLCG1 pathway poses an important therapeutic target for AML1-ETO+ leukemic stem cells.
AB - In an effort to identify novel drugs targeting fusion-oncogene-induced acute myeloid leukemia (AML), we performed high-resolution proteomic analysis. In AML1-ETO (AE)-driven AML, we uncovered a deregulation of phospholipase C (PLC) signaling. We identified PLCgamma 1 (PLCG1) as a specific target of the AE fusion protein that is induced after AE binding to intergenic regulatory DNA elements. Genetic inactivation of PLCG1 in murine and human AML inhibited AML1-ETO dependent self-renewal programs, leukemic proliferation, and leukemia maintenance in vivo. In contrast, PLCG1 was dispensable for normal hematopoietic stem and progenitor cell function. These findings are extended to and confirmed by pharmacologic perturbation of Ca++-signaling in AML1-ETO AML cells, indicating that the PLCG1 pathway poses an important therapeutic target for AML1-ETO+ leukemic stem cells.
KW - Animals
KW - Cell Self Renewal
KW - Core Binding Factor Alpha 2 Subunit/genetics
KW - Gene Expression Regulation, Leukemic
KW - Hematopoietic Stem Cells/metabolism
KW - Humans
KW - Leukemia, Myeloid, Acute/genetics
KW - Mice
KW - Neoplastic Stem Cells/metabolism
KW - Oncogene Proteins, Fusion/genetics
KW - Phospholipase C gamma/genetics
KW - Proteome
KW - RUNX1 Translocation Partner 1 Protein/genetics
KW - Transcriptome
KW - Translocation, Genetic
U2 - 10.1182/blood.2021012778
DO - 10.1182/blood.2021012778
M3 - Journal article
C2 - 34695195
VL - 139
SP - 1080
EP - 1097
JO - Blood
JF - Blood
SN - 0006-4971
IS - 7
ER -
ID: 301825665