Cited by 180Platelet Disorders and TreatmentsMyeloproliferative Neoplasms: Diagnosis and TreatmentAcute Myeloid Leukemia Research

Suppressor screen in Mpl -/- mice: c-Myb mutation causes supraphysiological production of platelets in the absence of thrombopoietin signaling

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Carpinelli, Marina R., Hilton, Douglas J., Metcalf, Donald, Antonchuk, Jennifer L., Hyland, Craig D., Mifsud, Sandra L., Di Rago, Ladina, Hilton, Adrienne A. +5 more·2004·Proceedings of the National Academy of Sciences

Abstract

Genetic screens in lower organisms, particularly those that identify modifiers of preexisting genetic defects, have been used successfully to order components of complex signaling pathways. To date, similar suppressor screens have not been used in vertebrates. To define the molecular pathways regulating platelet production, we have executed a large-scale modifier screen with genetically thrombocytopenic Mpl - / - mice by using N -ethyl- N -nitrosourea mutagenesis. Here we show that mutations in the c-Myb gene cause a myeloproliferative syndrome and supraphysiological expansion of megakaryocyte and platelet production in the absence of thrombopoietin signaling. This screen demonstrates the utility of large-scale N -ethyl- N -nitrosourea mutagenesis suppressor screens in mice for the simultaneous discovery and in vivo validation of targets for therapeutic discovery in diseases for which mouse models are available.

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Crossref · 10.1073/pnas.0401496101

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  • Genetic modifier screens are commonly applied to identify genes that act in developmental or biochemical pathways in fruit flies, worms, and bacteria, but this approach is rare in the mouse.

    “Genetic modifier screens are commonly applied to identify genes that act in developmental or biochemical pathways in fruit flies, worms, and bacteria10; however, this approach is rare in the mouse11,12.”

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Research works printed but not linked: 3

  1. [1]Hitotsumachi, S., Carpenter, D. A. & Russell, W. L. (1985) Proc. Natl. Acad. Sci. USA 82, 6619-6621.
  2. [20]Ihara, K., Ishii, E., Eguchi, M., Takada, H., Suminoe, A., Good, R. A. & Hara, T. (1999) Proc. Natl. Acad. Sci. USA 96, 3132-3136.
  3. [21]Kimura, S., Roberts, A. W., Metcald, D. & Alexander, W. S. (1998) Proc. Natl. Acad. Sci. USA 95, 1195-1200.

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Authors
Carpinelli, M. R., Hilton, D. J., Metcalf, D., Antonchuk, J. L., Hyland, C. D., Mifsud, S. L., Di Rago, L., Hilton, A. A., Willson, T. A., Roberts, A. W., Ramsay, R. G., Nicola, N. A., & Alexander, W. S.
Affiliations
  • Walter and Eliza Hall Institute of Medical Research (AU)
  • The Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville VIC 3052, Australia; and The Peter MacCallum Cancer Centre, St. Andrews Place, East Melbourne VIC 3002, Australia
Venue
Proceedings of the National Academy of Sciences
Published
2004-04-07
Volume
101
Issue
17
Pages
6553-6558
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2104427970
Cited by
179
References
34
Citations by year
2026: 2 · 2025: 1 · 2024: 3 · 2022: 1 · 2021: 5 · 2020: 3 · 2019: 6 · 2018: 8 · 2017: 8 · 2016: 9 · 2015: 6 · 2014: 6 · 2013: 6 · 2012: 6
FWCI
10.87
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
  • Health Sciences › Medicine › Genetics › Myeloproliferative Neoplasms: Diagnosis and Treatment
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
Keywords
MYB, thrombopoietin signaling, megakaryopoiesis, megakaryocytes, myeloproliferative syndromes, thrombocytopenia, suppressor screen, N-ethyl-N-nitrosourea mutagenesis
MeSH terms
Animals, Blood Platelets, Female, Flow Cytometry, Homozygote, Male, Mice, Inbred C57BL, Mutation, Neoplasm Proteins, Phenotype, Proto-Oncogene Proteins, Thrombopoietin, Signal Transduction, Genes, Suppressor, Receptors, Cytokine, Mice, Knockout, Cell Lineage, Genes, myb, Mice, Receptors, Thrombopoietin

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