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Pam3Cys-Ser-(Lys)4

Cat no: 045126

Pam3Cys-Ser-(Lys)4

Selective agonist of TLR1/TLR2 complex. Cell permeable, water soluble synthetic cationic lipohexapeptide analog of the immunologically active N-terminal portion of bacterial lipoprotein that potently activates monocytes and macrophages. Potent and effective immune adjuvant. Exerts strong local response, enhances IgG2a and IgG1 titers and upregulates proinflammatory and Th1 cytokine genes. Potent activator of the proinflammatory transcription factor NF-kappaB. Activates/represses at least 140 genes involved in signal transduction and regulation of the immune response.\n\nStorage and Stability:\nShort-term Storage: +4 degrees C\nLong-term Storage: -20 degrees C\nStable for at least 2 years after receipt when stored at -20 degrees C.

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SPECIFICATIONS

Catalog Number

045126

Size

2mg

Purity

Absence of detectable protein or DNA contaminants with agonistic TLR activity.

References

Product Reference: ?Lipopeptide derivatives of bacterial lipoprotein constitute potent immune adjuvants combined with or covalently coupled to antigen or hapten: A. Reitermann, et al.; Biol. Chem. Hoppe Seyler 370, 343 (1989) \n?Induction of tumor cytotoxicity in murine bone marrow-derived macrophages by two synthetic lipopeptide analogues: P. Hoffmann, et al.; Biol. Chem. Hoppe Seyler 370, 575 (1989)?Activation of superoxide formation and lysozyme release in human neutrophils by the synthetic lipopeptide Pam3Cys-Ser-(Lys)4. Involvement of guanine-nucleotide-binding proteins and synergism with chemotactic peptides: R. Seifert, et al.; Biochem. J. 267, 795 (1990)?Synthesis of novel immunologically active tripalmitoyl-S-glycerylcysteinyl lipopeptides as useful intermediates for immunogen preparations: J. Metzger, et al.; Int. J. Pept. Prot. Res. 37, 46 (1991)?The influence of various adjuvants on antibody synthesis following immunization with an hapten: J. Kellner, et al.; Biol. Chem. Hoppe Seyler 373, 51 (1992)?Lipopeptides are effective stimulators of tyrosine phosphorylation in human myeloid cells: S. Offermanns, et al.; Biochem. J. 282, 551 (1992)?Evidence for common mechanisms in the transcriptional control of type II nitric oxide synthase in isolated hepatocytes. Requirement of NF-kappaB activation after stimulation with bacterial cell wall products and phorbol esters: M.J. Diaz-Guerra, et al.; J. Biol. Chem. 271, 30114 (1996)?Comparison of adjuvant formulations for cytotoxic T cell induction using synthetic peptides: C.E. Hioe, et al.; Vaccine 14, 412 (1996)?Cell Activation and Apoptosis by Bacterial Lipoproteins Through Toll-like Receptor-2: A.O. Aliprantis, et al.; Science 285, 736 (1999)?Adjuvant effects of various lipopeptides and interferon-gamma on the humoral immune response of chickens: M.H. Erhard, et al.; Poult. Sci. 79, 1264 (2000)?Immunostimulation by the synthetic lipopeptide P3CSK4: TLR4-independent activation of the ERK1/2 signal transduction pathway in macrophages: M.R. Muller, et al.; Immunology 103, 49 (2001)?TLR4, but not TLR2, mediates IFN-beta-induced STAT1alpha/beta-dependent gene expression in macrophages: V. Toshchakov, et al.; Nat. Immunol. 3, 392 (2002)\nLipopeptide structure determines TLR2 dependent cell activation level: U. Buwitt-Beckmann, et al.; FEBS J. 272, 6354 (2005)?TLR1- and TLR6-independent recognition of bacterial lipopeptides: U. Buwitt-Beckmann, et al.; J. Biol. Chem. 281, 9049 (2006)?Human Langerhans cells selectively activated via Toll-like receptor 2 agonists acquire migratory and CD4+T cell stimulatory capacity: M. Peiser, et al.; J. Leukoc. Biol. 83, 1118 (2008)

Alternative Names

Pam3CSK4, Pam3Cys-SKKKK, (S)-[2,3-Bis(palmitoyloxy)-(2-RS)-propyl]-N-palmitoyl-(R)-Cys-(S)-Ser-(S)-Lys4-OH

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