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Invitrogen
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Description: This MHN1-519 monoclonal antibody reacts with human Notch1, one of four members of the Notch family of receptors. Notch receptors are 300-kDa single-pass transmembrane proteins. While the extracellular domain contains numerous epidermal growth factor-like repeats for ligand binding, the intracellular domain is involved in cell signaling. Upon binding its membrane-bound ligand (either Delta or Jagged), the Notch receptor undergoes proteolytic cleavage, first by ADAM-family metalloproteases and then by gamma-secretase. The second cleavage event releases the Notch intracellular domain (NICD), which subsequently translocates into the nucleus, heterodimerizes with the DNA-binding protein RBP-J, recruits co-activator molecules, and ultimately activates transcription.
Notch 1 is expressed on thymocytes, bone marrow hematopoietic stem cells, T and NK cells. Lower Notch1 expression levels can be found on B cells and monocytes. Studies show that some subsets of T-cell acute lymphoblastic leukemia (T-ALL) arise due to Notch1 chromosomal translocation with the TCRbeta gene, which results in the expression of constitutively active Notch1. This cell surface receptor is involved in T cell lineage commitment, thymocyte development, and Th2 differentiation.
The MHN1-519 monoclonal antibody recognizes the extracellular domain of Notch1, and has also been reported to block Notch1 binding to Delta-like 4.
Applications Reported: This MHN1-519 antibody has been reported for use in flow cytometric analysis.
Applications Tested: This MHN1-519 antibody has been pre-titrated and tested by flow cytometric analysis of normal peripheral blood cells. This can be used at 5 µL (0.25 µg) per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.
Excitation: 633-647 nm; Emission: 660 nm; Laser: Red Laser.
Filtration: 0.2 µm post-manufacturing filtered.
The notch gene belongs to a family of epidermal growth factor (EGF) like homeotic genes, which encode transmembrane proteins with a variable number of cysteine-rich EGF-like repeats in the extracellular region. Four notch genes have been described in mammals: Notch1, Notch2, Notch3 and Notch4(Int-3), which have been implicated in the differentiation of the nervous system and other structures. The EGF-like proteins Delta and Serrate have been identified as ligands of Notch1. Mature Notch proteins are heterodimeric receptors derived from the cleavage of Notch pre-proteins into an extracellular subunit (NEC) containing multiple EGF-like repeats and a transmembrane subunit including intracellular region (Ntm).
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Neurogenic locus notch homolog protein 1; Notch 1; Notch homolog 1, translocation-associated; RP23-306D20.12; RP23-306D20.12-001; Translocation-associated notch protein TAN-1
Gene Aliases: AOS5; AOVD1; hN1; NOTCH1; TAN1
UniProt ID: (Human) P46531
Entrez Gene ID: (Human) 4851
Molecular Function: cell adhesion molecule
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