Recombinant Human MS4A1 protein(204-291 aa), GST-tagged

Cat.No. : MS4A1-20H
Product Overview : Recombinant Human MS4A1 protein(204-291 aa), fused with N-terminal GST tag, was expressed in E. coli.
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Source : E. coli
Species : Human
Tag : GST
Protein length : 204-291 aa
Form : The purified protein was Lyophilized from sterile PBS (58mM Na2HPO4,17mM NaH2PO4, 68mM NaCl, pH7.4). 5 % trehalose and 5 % mannitol are added as protectant before lyophilization. The elution buffer contain 100mM GSH.
AASequence : GIVENEWKRMCTRSKSNVVLLSAGE KNEQTIKMKEEIIELSGVSSQPKNE EEIEIIPVQEEEEEEAEINFPAPPQ EQESLPVENEIAP
Purity : 85%, by SDS-PAGE with Coomassie Brilliant Blue staining.
Storage : Short-term storage: Store at 2-8°C for (1-2 weeks).
Long-term storage: Aliquot and store at -20°C to -80°C for up to 3 months, reconstitution with sterile water and addition of an equal volume of glycerol. Avoid repeat freeze-thaw cycles.
Reconstitution : Reconstitute at 0.25 μg/μl in 200 μl sterile water for short-term storage. After reconstitution with sterile water, if glycerol has no effect on subsequent experiments, it is recommended to add an equal volume of glycerol for long-term storage.
Gene Name : MS4A1 membrane-spanning 4-domains, subfamily A, member 1 [ Homo sapiens ]
Official Symbol : MS4A1
Synonyms : MS4A1; membrane-spanning 4-domains, subfamily A, member 1; CD20; B-lymphocyte antigen CD20; B1; Bp35; MS4A2; CD20 antigen; CD20 receptor; leukocyte surface antigen Leu-16; B-lymphocyte cell-surface antigen B1; S7; CVID5; LEU-16; MGC3969;
Gene ID : 931
mRNA Refseq : NM_021950
Protein Refseq : NP_068769
MIM : 112210
UniProt ID : P11836

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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Reviews
11/02/2019

    Its strong affinity allows for robust binding to target proteins, thereby enhancing the accuracy of analysis.

    04/05/2017

      Surpassing expectations, it significantly amplifies the results of my research.

      02/07/2017

        The operational guidelines for this reagent are readily comprehensible and accessible, facilitating seamless implementation of experiments, even for individuals lacking prior expertise.

        Q&As (7)

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        How is the expression of MS4A1 regulated during B-cell development and differentiation? 09/06/2022

         MS4A1 expression is tightly regulated during different stages of B-cell development. It is absent in early B-cell progenitors and gradually increases during maturation. MS4A1 expression is upregulated upon B-cell activation and can be influenced by various cytokines and signaling pathways. This tightly controlled expression pattern ensures proper B-cell development, while aberrant regulation may contribute to B-cell disorders or malignancies.

        Can MS4A1 be used as a diagnostic or prognostic marker in B-cell disorders? 08/08/2022

        MS4A1 expression levels have been explored as potential diagnostic or prognostic markers for certain B-cell disorders. Quantification of CD20 expression by immunohistochemistry or flow cytometry can aid in the diagnosis and classification of B-cell malignancies. Additionally, low CD20 expression levels have been associated with resistance to CD20-targeted therapies, serving as a prognostic indicator in B-cell lymphomas.

        Are there any therapeutic strategies targeting MS4A1 beyond CD20-directed antibodies? 12/19/2020

        While CD20-targeted antibodies have revolutionized the treatment of B-cell malignancies, further therapeutic strategies are being explored. These include enhancing CD20 internalization, using antibody-drug conjugates, and developing novel targeted therapies based on the signaling pathways associated with MS4A1. Investigating these approaches may provide alternative treatments and improve outcomes for patients with B-cell disorders.

        How does MS4A1 contribute to the regulation of immune tolerance and autoimmunity? 09/30/2019

         MS4A1 helps maintain immune tolerance by preventing the production of autoreactive B cells. It contributes to the elimination of self-reactive B cell clones through mechanisms such as antibody-dependent cellular cytotoxicity and antibody-mediated phagocytosis. MS4A1 dysregulation, however, can lead to the production of autoantibodies and the development of autoimmune diseases. Understanding the fine-tuned regulation of MS4A1's functions is essential for maintaining immune homeostasis and preventing autoimmunity.

        What are the interacting partners and downstream signaling pathways of MS4A1? 11/16/2017

        MS4A1 interacts with multiple proteins, such as tetraspanins, Src-family kinases, and lipid rafts, which form a complex network involved in B-cell signaling. Upon ligand binding, MS4A1 activates intracellular signaling pathways, including PI3K/Akt and MAPK/ERK, which regulate B-cell survival, proliferation, and differentiation. Understanding these pathways and their crosstalk with MS4A1 can provide insights into B-cell activation and potential therapeutic targets.

        What is the structure and function of the MS4A1 protein in immune cells? 11/06/2017

        The MS4A1 protein, also known as CD20, is a tetraspanin membrane protein found predominantly in B cells. It plays a crucial role in B-cell development, activation, and antibody production. Structurally, CD20 consists of four transmembrane domains and a large extracellular loop. Functionally, it regulates B-cell signaling by promoting calcium influx upon B-cell receptor activation, modulating cell cycle progression, and facilitating antibody-mediated cytotoxicity.

        How does MS4A1 contribute to the pathogenesis of B-cell malignancies? 09/14/2017

        MS4A1 dysregulation has been implicated in B-cell malignancies, including non-Hodgkin lymphomas and leukemia. Increased expression or altered signaling of MS4A1 may promote survival and proliferation of malignant B cells. CD20-targeted therapies, such as monoclonal antibodies, have been successfully employed in treating B-cell malignancies, highlighting the significance of MS4A1 as a therapeutic target in these diseases.

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