Cited by 410Cancer, Hypoxia, and MetabolismCancer Cells and MetastasisHematopoietic Stem Cell Transplantation

Targeting HIF1α Eliminates Cancer Stem Cells in Hematological Malignancies

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Wang, Yin, Liu, Yan, Malek, Sami N., Zheng, Pan, Liu, Yang·2011·Cell stem cell

Abstract

Molecular targeting of cancer stem cells (CSCs) has therapeutic potential for efficient treatment of cancer, although relatively few specific targets have been identified so far. Hypoxia-inducible factor (HIF) was recently shown to regulate the tumorigenic capacity of glioma stem cells under hypoxic conditions. Surprisingly, we found that, under normoxia, HIF1α signaling was selectively activated in the stem cells of mouse lymphoma and human acute myeloid leukemia (AML). HIF1a shRNA and HIF inhibitors abrogated the colony-forming unit (cfu) activity of mouse lymphoma and human AML CSCs. Importantly, the HIF-inhibitor echinomycin efficiently eradicated mouse lymphoma and serially transplantable human AML in xenogeneic models by preferential elimination of CSCs. Hif1α maintains mouse lymphoma CSCs by repressing a negative feedback loop in the Notch pathway. Taken together, our results demonstrate an essential function of Hif1α-Notch interaction in maintaining CSCs and provide an effective approach to target CSCs for therapy of hematological malignancies.

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Crossref · 10.1016/j.stem.2011.02.006

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  • Echinomycin dissolved in DMSO is active against leukemia in mice.

    “We have demonstrated that echinomycin, dissolved in dimethyl sulfoxide (DMSO) is active against leukemia in mice24, 25.”

    From Liposomal Formulation of HIF-1α Inhibitor Echinomycin Eliminates Established Metastases of Triple-negative Breast Cancer (2020) · cites this paper as [25]

    The Results section, “Therapeutic elimination of leukemia stem cells (LSC) for AML,” reports that echinomycin eliminated or substantially reduced human leukemia in mice. The Experimental Procedures describe echinomycin injections but do not identify DMSO as the solvent; a search for DMSO found no supporting passage. Thus the activity in mice is supported, but the formulation is not. (LLM, conf=0.87)

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  1. Kong, 2005, Echinomycin, a small-molecule inhibitor of hypoxia-inducible factor-1 DNA-binding activity, Cancer Res., 65, 9047, 10.1158/0008-5472.CAN-05-1235 · DOI · Paper page

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Authors
Wang, Y., Liu, Y., Malek, S. N., Zheng, P., & Liu, Y.
Affiliations
University of Michigan (US)
Corresponding author
  • Zheng, Pan
  • Liu, Yang
Venue
Cell stem cell
Publisher
Elsevier BV
Published
2011-04
Volume
8
Issue
4
Pages
399-411
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W2165805414
Cited by
410
References
53
Citations by year
2026: 6 · 2025: 16 · 2024: 16 · 2023: 19 · 2022: 29 · 2021: 38 · 2020: 21 · 2019: 32 · 2018: 30 · 2017: 22 · 2016: 34 · 2015: 34 · 2014: 40 · 2013: 33 · 2012: 28
FWCI
12.30
Type
journal article
Language
en
Open access
Locations
  • Cell stem cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5r01ai064350-15)
  • National Institute on Aging (R01AG036690)
  • National Cancer Institute (R01CA058033)
  • National Institute of General Medical Sciences (RC1GM091648)
  • National Institute of Allergy and Infectious Diseases (R01-AI064350)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
Keywords
HIF-1α, cancer stem cells, hematologic malignancies, acute myeloid leukemia, mouse lymphoma, Notch signaling, echinomycin, HIF inhibitors, hypoxia, normoxic conditions, colony-forming units, xenograft models
MeSH terms
Animals, Humans, Lymphoma, Neoplasms, Experimental, Protein Binding, Transplantation, Heterologous, Neoplastic Stem Cells, Leukemia, Myeloid, Acute, Hematologic Neoplasms, Mice, Hypoxia-Inducible Factor 1, alpha Subunit, Receptors, Notch

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