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  • mProX™ Human MS4A1 Stable Cell Line

    [CAT#: S01YF-1023-PY188]
    Product Category:
    Membrane Protein Stable Cell Lines
    Subcategory:
    Immune Checkpoint Cell Lines

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    Product Information

    Target Family
    Immune Checkpoint
    Target Protein Species
    Human
    Host Cell Type
    HEK293;CHO-K1;Ramos
    Target Classification
    Immune Checkpoint Cell Lines
    Target Research Area
    Immunology Research
    Related Diseases
    Immunodeficiency, Common Variable, 5; Common Variable Immunodeficiency
    Gene ID
    Human:931
    UniProt ID
    Human:P11836

    Product Properties

    Biosafety Level
    Level 1
    Activity
    Yes
    Quantity
    10⁶ cells per vial
    Applications
    MS4A1, also known as CD20, is a 4-transmembrane protein that functions as a mammalian odorant receptor in a subset of olfactory sensory neurons. It mediates innate avoidance of predators by recognizing compounds produced by mouse predators. CD20 is expressed in a previously uncharacterized subpopulation of olfactory sensory neurons in the murine nasal cavity. Wild-type mice avoid predator odorants, but mice genetically deleted of CD20 do not appropriately respond. This work reveals a novel CD20-mediated odor-sensing mechanism in the mammalian olfactory system that triggers innate behaviors critical for organismal survival. In addition to its role in olfaction, CD20 has also been implicated in lung adenocarcinoma and breast cancer. In lung adenocarcinoma, CD20 is identified as one of the immune-related genes associated with the response to immunotherapy. In breast cancer, CD20 is among the immune-related genes that exhibit associations with the pathologic response to neoadjuvant chemotherapy. Furthermore, CD20 is part of an immune-related gene signature that can predict the prognosis and drug response in lung adenocarcinoma. Overall, CD20 has diverse applications in different fields, including olfaction, cancer immunotherapy, and predicting treatment outcomes in breast and lung cancer.

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    FAQ

    chat Skyler Johnson (Verified Customer)

    How does MS4A1 expression influence prognosis in melanoma? Sep 26 2023

    chat Patrick Liam (Creative Biolabs Scientific Support)

    KIT mutation with low MS4A1/CD20 expression is associated with poor prognosis in melanoma, indicating its potential as a prognostic marker. Sep 26 2023

    chat Peyton Williams (Verified Customer)

    What is the role of MS4A1 in the immune microenvironment of hepatocellular carcinoma? Oct 14 2021

    chat Patrick Liam (Creative Biolabs Scientific Support)

    Tumor-infiltrating B cells expressing MS4A1 may play a negative role in antitumor immunity in hepatocellular carcinoma, suggesting their potential as targets for immunotherapy. Oct 14 2021

    Published Data

    Fig.1 The suppression of MS4A1/CD20 mediates the induction of apoptosis in Ramos cells by TGF-β.

    Lentiviruses carrying GFP cDNA (Ramos-GFP) and FLAG-tagged MS4A1/CD20 cDNA (Ramos-MS4A1) were used to infect Ramos cells. Subsequently, stimulation with TGF-β3 (1 ng/ml) was administered for 72 h. The counting of percentages of TUNEL-positive cells among total cells in independent fields was carried out, and the data were presented as the mean±s.d.

    Ref: Kawabata, K. C., et al. "TGF-β-induced apoptosis of B-cell lymphoma Ramos cells through reduction of MS4A1/CD20." Oncogene 32.16 (2013): 2096-2106.

    Pubmed: 22665052

    DOI: 10.1038/onc.2012.219

    Research Highlights

    Jiang, Hao-Ching. et al. "CD20 is a mammalian odorant receptor expressed in a subset of olfactory sensory neurons that mediates innate avoidance of predators." Research square, 2023.
    The mammalian olfactory system has the ability to detect and distinguish between numerous odorants in order to produce suitable behavioral responses. Although there is extensive knowledge about how olfactory sensory neurons detect and communicate the presence of these odors, the underlying mechanism of how specific, innate behaviors are initiated in response to ethologically relevant odors is still not fully understood. In this study, it is demonstrated that the 4-transmembrane protein CD20, also known as MS4A1, is expressed in a previously unidentified group of olfactory sensory neurons in the main olfactory epithelium of the mouse nasal cavity. CD20 acts as a mammalian odorant receptor, detecting compounds produced by predators of mice. It was observed that while wild-type mice use this mechanism to avoid predator odorants, mice lacking CD20 do not display the appropriate response. These findings provide new insights into the role of CD20 in odorant sensing in the mammalian olfactory system, and its crucial role in triggering innate behaviors essential for the survival of organisms.
    Jiang, Hao-Ching. et al. "CD20 is a mammalian odorant receptor expressed in a subset of olfactory sensory neurons that mediates innate avoidance of predators." Research square, 2023.
    Pubmed: 37790559   DOI: 10.21203/rs.3.rs-3290152/v1

    Huang, Ling. et al. "Ferroptosis and WDFY4 as novel targets for immunotherapy of lung adenocarcinoma." Aging, 2023.
    In the field of oncology, lung cancer has the highest mortality rate compared to other malignant cancers worldwide. This presents a major global challenge in reducing patient mortality. As a novel therapeutic approach, targeted immunotherapy has gained traction for the treatment of lung cancer. This study aims to identify potential targets for immunotherapy in lung adenocarcinoma (LUAD) using Ferroptosis Index (FPI) and Single Cell RNA-Sequencing (scRNA-seq) data analysis. The results of this research have the potential to improve LUAD immunotherapy strategies and inform clinical decision-making.
    Huang, Ling. et al. "Ferroptosis and WDFY4 as novel targets for immunotherapy of lung adenocarcinoma." Aging, 2023.
    Pubmed: 37728413   DOI: 10.18632/aging.205042

    Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR CLINICAL PROCEDURES" For licensing inquiries, please contact
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