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C1805

Sigma-Aldrich

Anti-CD4 antibody, Mouse monoclonal

clone Q4120, purified from hybridoma cell culture

Synonyme(s) :

Anti-CD4 antibody, Mouse monoclonal

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About This Item

Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

mouse

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

purified from hybridoma cell culture

Type de produit anticorps

primary antibodies

Clone

Q4120, monoclonal

Forme

buffered aqueous solution

Poids mol.

59 kDa

Espèces réactives

human

Technique(s)

flow cytometry: 5 μL using 1 × 106 cells

Isotype

IgG1

Numéro d'accès UniProt

Conditions d'expédition

wet ice

Température de stockage

2-8°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... CD4(920)

Description générale

Monoclonal Anti-Human CD4 (mouse IgG1 isotype) is derived from the hybridoma produced by the fusion of mouse myeloma cell line NS-1 and splenocytes from Balb/c mice immunized with CD4-Transfected mouse T-cell hybridoma, 3DT, followed by CD4+ human T-cell CEM cells. Cluster of differentiation 4 (CD4) human cell surface glycoprotein (59kDa) belongs to the immunoglobulin superfamily. It is expressed on the helper/inducer T cell subset, which is found on the majority of peripheral blood neutrophils, most cortical and mature medullary thymocytes, microglial cells, dendritic cells and on some malignancies of T cell origin.

Spécificité

Recognizes the CD4. The epitope recognized by the Q4120 clone is located on 1-183 aa and is sensitive to formalin fixation and paraffin embedding. 5th Workshop: code no. CD04.11

Immunogène

CD4-transfected mouse T-cell hybridoma, 3DT, followed by CD4+ human T-cell CEM cells.

Application

Monoclonal Anti-CD4 antibody produced in mouse has been used in indirect immunofluorescent staining.

Actions biochimiques/physiologiques

Cluster of differentiation 4 (CD4) molecule binds to the major histocompatibility complex (MHC) class II molecules during the interaction of CD4+ T cells with antigen presenting cells or with target cells. It also serves as a high affinity cellular receptor for the GP 120 envelope glycoprotein of the human immunodeficiency virus (HIV-1, HIV-2). The CD4 molecule is involved in the adhesion of T-lymphocytes to target cells, thymic development, transmission of intracellular signals during T cell activation, and binding to polyclonal immunoglobulins. Lower levels of CD4 have been detected in monocytes, macrophages and granulocytes.

Description de la cible

CD4 is a single chain transmembraneous glycoprotein from the immunoglobulin superfamily. It is expressed on the helper/inducer T subset, on most medullary thymocytes, on microglial, dendritic and on some malignancies of T cell origin. The antigen binds to MHC class II molecules and is associated with p56lck protein tyrosine kinase.

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 1% bovine serum albumin and 15 mM sodium azide.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Consulter la Bibliothèque de documents

Jason A LaBonte et al.
The Journal of experimental medicine, 196(4), 431-445 (2002-08-21)
HIV-1 naturally infects chimpanzees and humans, but does not infect Old World monkeys because of replication blocks that occur after virus entry into the cell. To understand the species-specific restrictions operating on HIV-1 infection, the ability of HIV-1 to infect
Elisabeth Mbemba et al.
FEBS letters, 514(2-3), 209-213 (2002-04-12)
CXCR4 is a coreceptor, along with CD4, for human immunodeficiency virus type 1 (HIV-1). Trimolecular complexes between HIV-1 glycoprotein (gp)120, CD4 and CXCR4 constitute a prerequisite for HIV entry. We studied whether CD4 is associated with CXCR4 on CD4+ CXCR4+
Functional epitope analysis of the human CD4 molecule: antibodies that inhibit human immunodeficiency virus type 1 gene expression bind to the immunoglobulin CDR3-like region of CD4.
Benkirane M, et al.
Journal of virology, 69(11), 6898-6903 (1995)
Down regulation of CD4 expression following isolation and culture of human monocytes
Graziani-Bowering GM and Filion LG
Clinical and Diagnostic Laboratory Immunology, 7(2), 182-191 (2000)
Wen-Yi Tseng et al.
PloS one, 8(5), e63963-e63963 (2013-05-24)
Higher soluble CD4 (sCD4) levels in serum have been detected in patients of infectious and chronic inflammatory diseases. However, how and why sCD4 is produced remains poorly understood. We establish sensitive ELISA and WB assays for sCD4 detection in conditioned

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