6rpx

Cytokine receptor-like factor 3 C-terminus residues 174-442: native

spinqualitylabelsall models 6rpx, resolution 1.61Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6rpx is a 1 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.61Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function CRLF3_MOUSE May play a role in the negative regulation of cell cycle progression. Publication Abstract from PubMed The process of platelet production has so far been understood to be a 2-stage process: megakaryocyte maturation from hematopoietic stem cells followed by proplatelet formation, with each phase regulating the peripheral blood platelet count. Proplatelet formation releases into the bloodstream beads-on-a-string preplatelets, which undergo fission into mature platelets. For the first time, we show that preplatelet maturation is a third, tightly regulated, critical process akin to cytokinesis that regulates platelet count. We show that deficiency in cytokine receptor-like factor 3 (CRLF3) in mice leads to an isolated and sustained 25% to 48% reduction in the platelet count without any effect on other blood cell lineages. We show that Crlf3-/- preplatelets have increased microtubule stability, possibly because of increased microtubule glutamylation via the interaction of CRLF3 with key members of the Hippo pathway. Using a mouse model of JAK2 V617F essential thrombocythemia, we show that a lack of CRLF3 leads to long-term lineage-specific normalization of the platelet count. We thereby postulate that targeting CRLF3 has therapeutic potential for treatment of thrombocythemia. CRLF3 plays a key role in the final stage of platelet genesis and is a potential therapeutic target for thrombocythemia.,Bennett C, Lawrence M, Guerrero JA, Stritt S, Waller AK, Yan Y, Mifsud RW, Ballester-Beltran J, Baig A, Mueller A, Mayer L, Warland J, Penkett CJ, Akbari P, Moreau T, Evans AL, Mookerjee S, Hoffman GJ, Saeb-Parsy K, Adams DJ, Couzens AL, Bender M, Erber WN, Nieswandt B, Read RJ, Ghevaert C Blood. 2022 Apr 7;139(14):2227-2239. doi: 10.1182/blood.2021013113. PMID:35051265 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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