Calumenin (20-315, His-Tag) Human Protein

OriGene Technologies, Inc. 9620 Medical Center Drive, Ste 200 Rockville, MD 20850, US Phone: +1-888-267-4436 [email protected] EU: [email protected] CN: [email protected] Product datasheet for AR09196PU-N Calumenin (20-315, His-tag) Human Protein Product data: Product Type: Recombinant Proteins Description: Calumenin (20-315, His-tag) human recombinant protein, 0.1 mg Species: Human Expression Host: E. coli Tag: His-tag Predicted MW: 37.2 kDa Concentration: lot specific Purity: >90% by SDS - PAGE Buffer: Presentation State: Purified State: Liquid purified protein Buffer System: 20 mM Tris-HCl buffer (pH 8.0) containing 10% glycerol Preparation: Liquid purified protein Protein Description: Recombinant human Calumenin protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography. Storage: Store undiluted at 2-8°C for up to two weeks or (in aliquots) at -20°C or -70°C for longer. Avoid repeated freezing and thawing. Stability: Shelf life: one year from despatch. RefSeq: NP_001124146 Locus ID: 813 UniProt ID: O43852, A0A024R755 Cytogenetics: 7q32.1 Summary: The product of this gene is a calcium-binding protein localized in the endoplasmic reticulum (ER) and it is involved in such ER functions as protein folding and sorting. This protein belongs to a family of multiple EF-hand proteins (CERC) that include reticulocalbin, ERC-55, and Cab45 and the product of this gene. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Oct 2008] Protein Families: Secreted Protein This product is to be used for laboratory only. Not for diagnostic or therapeutic use. View online » ©2021 OriGene Technologies, Inc., 9620 Medical Center Drive, Ste 200, Rockville, MD 20850, US 1 / 2 Calumenin (20-315, His-tag) Human Protein – AR09196PU-N Product images: This product is to be used for laboratory only. Not for diagnostic or therapeutic use. ©2021 OriGene Technologies, Inc., 9620 Medical Center Drive, Ste 200, Rockville, MD 20850, US 2 / 2.

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Calumenin-15 Facilitates Filopodia Formation by Promoting TGF-Β Superfamily Cytokine GDF-15 Transcription
Citation: Cell Death and Disease (2013) 4, e870; doi:10.1038/cddis.2013.403 OPEN & 2013 Macmillan Publishers Limited All rights reserved 2041-4889/13 www.nature.com/cddis Calumenin-15 facilitates filopodia formation by promoting TGF-b superfamily cytokine GDF-15 transcription H Feng1,3, L Chen1,3, Q Wang1,3, B Shen1, L Liu1, P Zheng1,SXu1, X Liu1, J Chen1,2 and J Teng*,1 Filopodia, which are actin-rich finger-like membrane protrusions, have an important role in cell migration and tumor metastasis. Here we identify 13 novel calumenin (Calu) isoforms (Calu 3–15) produced by alternative splicing, and find that Calu-15 promotes filopodia formation and cell migration. Calu-15 shuttles between the nucleus and cytoplasm through interacting with importin a, Ran GTPase, and Crm1. The phosphorylation of the threonine at position 73 (Thr-73) by casein kinase 2 (CK2) is essential for the nuclear import of Calu-15, and either Thr-73 mutation or inhibition of CK2 interrupts its nuclear localization. In the nucleus, Calu-15 increases the transcription of growth differentiation factor-15 (GDF-15), a member of the transforming growth factor-b (TGF-b) superfamily, via binding to its promoter region. Furthermore, Calu-15 induces filopodia formation mediated by GDF-15. Together, we identify that Calu-15, a novel isoform of Calu with phosphorylation-dependent nuclear localization, has a critical role in promoting filopodia formation and cell migration by upregulating the GDF-15 transcription. Cell Death and Disease (2013) 4, e870; doi:10.1038/cddis.2013.403; published
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