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Small ubiquitin-like modifier (SUMO) modification of transcription factors is generally associated with repression. Reverse genetic analysis of SUMO-1, and -2 conserved residues emphasized the importance of dual charge reversals in abrogating the critical role of SUMO-2 K33, K35, and K42 in repression. GST-SUMO-2-affinity chromatography followed by liquid(More)
Splenic enlargement (splenomegaly) develops in numerous disease states, although a specific pathogenic role for the spleen has rarely been described. In polycythemia vera (PV), an activating mutation in Janus kinase 2 (JAK2(V617)) induces splenomegaly and an increase in hematocrit. Splenectomy is sparingly performed in patients with PV, however, due to(More)
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