Pak2 restrains endomitosis during megakaryopoiesis and alters cytoskeleton organization

Author:

Kosoff Rachelle E.12,Aslan Joseph E.3ORCID,Kostyak John C.4,Dulaimi Essel5,Chow Hoi Yee1,Prudnikova Tatiana Y.1,Radu Maria1,Kunapuli Satya P.4,McCarty Owen J. T.3ORCID,Chernoff Jonathan1ORCID

Affiliation:

1. Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, PA;

2. Cell and Molecular Biology, University of Pennsylvania School of Medicine, Philadelphia, PA;

3. Department of Biomedical Engineering, Oregon Health and Science University, Portland, OR;

4. Sol Sherry Thrombosis Research Center, Department of Pharmacology, Temple University School of Medicine, Philadelphia, PA; and

5. Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA

Abstract

Key Points Bone marrow-specific deletion of Pak2 is associated with macrothrombocytopenia and abnormal megakaryocyte morphology and function. Pak2 deletion is associated with defects in megakaryocyte endomitosis and the activation of Aurora-A and LIM kinase.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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