|Calculated MW||10212 Da|
|Other Names||C-C motif chemokine 4, G-26 T-lymphocyte-secreted protein, HC21, Lymphocyte activation gene 1 protein, LAG-1, MIP-1-beta(1-69), Macrophage inflammatory protein 1-beta, MIP-1-beta, PAT 744, Protein H400, SIS-gamma, Small-inducible cytokine A4, T-cell activation protein 2, ACT-2, MIP-1-beta(3-69), CCL4, LAG1, MIP1B, SCYA4|
|Target/Specificity||A synthetic peptide corresponding to residues in the C-terminus of human MIP-1 beta/CCL4 was used as an immunogen.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||MIP-1 beta/CCL4 Antibody (C-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||LAG1, MIP1B, SCYA4|
|Function||Monokine with inflammatory and chemokinetic properties. Binds to CCR5. One of the major HIV-suppressive factors produced by CD8+ T-cells. Recombinant MIP-1-beta induces a dose-dependent inhibition of different strains of HIV-1, HIV-2, and simian immunodeficiency virus (SIV). The processed form MIP-1-beta(3-69) retains the abilities to induce down-modulation of surface expression of the chemokine receptor CCR5 and to inhibit the CCR5- mediated entry of HIV-1 in T-cells. MIP-1-beta(3-69) is also a ligand for CCR1 and CCR2 isoform B.|
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Macrophage inflammatory protein-1 beta (MIP-1 beta/CCL4) belongs to the intercrine beta (chemokine CC) family (1). MIP-1 beta functions to promote accumulation of lymphocyte, marcorphages, monocytes, and NK cells during various inflammatory conditions through its chemotactic properties. MIP-1 beta is an essential inhibitor of cell infection by human immunodeficiency virus type 1 (HIV-1). MIP-1 beta inhibits HIV-1 by blocking or down-regulating the receptors CCR5, one of coreceptor for HIV-1 entry (2). In human, MIP-1 beta exhibits specific attractant activities to CD4+ T lymphocytes, with minor activities to T cells from naive (CD45RA) phenotype (3).
1. Jenne D, et al. EMBO J 4: 3153-3157, 1985.
2. Guan E, et al. J Biol Chem 277:32348-32352, 2002.
3. Schall TJ, et al. J Exp Med 177:1821-1826, 1993.
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