MHC

Major histocompatibility complex (MHC) research products include peptide antigens that MHC molecules present to T cells. Class I molecules display peptides from cytosolic proteins to cytotoxic T cells, whereas class II molecules present to helper T cells. In 1974 virus-specific T cell killing was shown to require a shared MHC haplotype, known as MHC restriction. The 1987 crystal structure of human leukocyte antigen A2 (HLA-A2) revealed a peptide-binding groove between two α-helices. The chicken ovalbumin (OVA) epitope SIINFEKL is offered as OVA Peptide(257-264) TFA, a trifluoroacetate salt. It binds the mouse class I molecule H-2Kb and is used to stimulate ovalbumin-specific cytotoxic T cells. OVA (55-62) is a second ovalbumin peptide presented by H-2Kb in mouse T cell studies.

4 Items

  • Pam2Cys
    Cat. No.
    A35341

    Pam2Cys

    Synonyms: Dipalmitoyl-S-glyceryl-cysteine; S-[2,3-Bis(palmitoyloxy)propyl]cysteine

    Pam2Cys is a TLR2 agonist that acts as an immunostimulant by binding to TLR2, activating dendritic cells, and initiating the TLR2-dependent NF-κB signaling pathway. This compound promotes dendritic cell maturation through the upregulation of MHC II molecules, enhances innate immune signaling, and drives pro-inflammatory responses, including the release of IL-12 and other cytokines. Additionally, Pam2Cys serves as a lipid moiety in synthetic lipopeptide vaccines, boosting immunogenicity, while selectively inducing pro-inflammatory macrophage activation. Research applications include studies on tuberculosis and influenza A virus infections, as it effectively recruits immune cells and mitigates infection-related symptoms without compromising adaptive immunity.

    5 mg
    $320.00
    10 mg
    $525.00
    All 5 sizes
  • Cholic acid 7-sulfate
    Cat. No.
    A60388

    Cholic acid 7-sulfate

    Synonyms: 7-Sulfocholic acid

    Cholic acid 7-sulfate is a selective agonist for the TGR5 receptor with an EC50 of 0.17 μM. This compound enhances GLP-1 secretion in enteroendocrine L cells, leading to improved glucose tolerance through TGR5 activation. Additionally, as an endogenous ligand for MHC class I-related protein (MR1), it supports the survival of mucosal-associated invariant T (MAIT) cells and influences their development and function by modulating homeostatic gene expression. Cholic acid 7-sulfate is valuable in studies related to diabetes and MAIT cell-mediated immune regulation.

    0.5 mg
    $105.00
    1 mg
    $200.00
    All 7 sizes
  • DMHCA
    Cat. No.
    A76520

    DMHCA

    DMHCA is a potent and selective liver X receptor (LXR) agonist that specifically activates the cholesterol efflux pathway while avoiding the stimulation of triglyceride synthesis. This compound exhibits anti-inflammatory properties, making it a valuable tool for research in cholesterol homeostasis and diabetes. DMHCA's selective mechanism provides insight into the role of LXR modulation in metabolic disorders.

    1 mg
    $25.00
    5 mg
    $50.00
    All 5 sizes
  • Glatiramer acetate
    Cat. No.
    B18104

    Glatiramer acetate

    Glatiramer acetate is a synthetic analogue of myelin basic protein that functions primarily as an immune modulator for the treatment of multiple sclerosis. Its mechanism involves inhibiting experimental autoimmune encephalomyelitis (EAE) by competing with myelin antigens for binding to MHC molecules, which subsequently modulates T cell response. Additionally, glatiramer acetate promotes the induction of T helper 2 (Th2) cells, which migrate to the central nervous system and facilitate localized immunosuppression. This compound serves as a valuable tool for research into autoimmune disorders and therapeutics for multiple sclerosis.

    2 mg
    $30.00
    5 mg
    $50.00
    All 6 sizes

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