MHC

Major Histocompatibility Complex; MHC

MHC is a group of genes encoding proteins which are transferred to the cell surfaces to present the intracellular or extracellular, self or non-self antigens to the cells of the immune system, thereby helping T cells in differentiating self from non-self proteins, and initiating adaptive immune responses. MHC can be divided into 3 subtypes, MHC I, MHC II and MHC III, in which MHC I presents endogenous antigens (such as antigens produced by virus-infected cells or tumor cells) to activate cytotoxic T cells (CD8+ T cells); MHC II presents exogenous antigens (such as bacteria or parasites) to activate helper T cells (CD4+ T cells); MHC III does not directly participate in antigen presentation, but involves in immune regulation, inflammatory response and cell signaling. MHC is crucial for stem cell transplant (SCT), and could lead to graft-versus-host disease (GVHD)^[1]^[2].

References:

[1]. Deakin JE, et al., Evolution and comparative analysis of the MHC Class III inflammatory region. BMC Genomics. 2006 Nov 2;7:281. [Content Brief]

[2]. Sharma S K. Major Histocompatibility Complex[M]//Basics of Hematopoietic Stem Cell Transplant. Singapore: Springer Nature Singapore, 2023: 903-913.

MHC Related Products (31):

By Effects:	Ligand (1) Inhibitors (6) Modulator (1)

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-P1489

OVA Peptide(257-264)		99.68%
OVA Peptide(257-264) is a class I (Kb)-restricted peptide epitope of OVA, an octameric peptide can be from ovalbumin presented by the class I MHC molecule, H-2Kb.

HY-P1489A

OVA Peptide(257-264) TFA		99.80%
OVA Peptide(257-264) TFA is a class I (Kb)-restricted peptide epitope of OVA, an octameric peptide can be from ovalbumin presented by the class I MHC molecule, H-2Kb.

HY-P1587

IRBP (1-20), human		99.65%
IRBP (1-20), human contains a major epitope for the H-2^b haplotype. IRBP (1-20), human induces experimental autoimmune uveoretinitis (EAU) in H-2^b mice.

HY-P5411

OVA-T4 Peptide		99.59%
OVA-T4 Peptide (SIITFEKL, OVA (257-264) Variant) is a biological active peptide. (T4 peptide (SIITFEKL) is a variant of the agonist ovalbumin (OVA) peptide (257-264), SIINFEKL. OVA Peptide is a class I (Kb)-restricted peptide epitope of ovalbumin presented by the class I MHC (major histocompatibility complex) molecule, H-2Kb (class I genes of the mouse MHC).)

HY-P3333

KSPWFTTL		99.13%
KSPWFTTL is an immunodominant Kb-restricted epitope from the p15E transmembrane protein. KSPWFTTL can restore susceptibility of a tumor line to anti-AKR/Gross MuLV cytotoxic T lymphocytes.

HY-P10840

Tkip	Inhibitor
Tkip is a JAK2 specific inhibitor. Tkip can bind the JAK2 autophosphorylation site, inhibit the JAK2 autophosphorylation and the phosphorylation of the IFN-γ receptor subunit IFNGR-1. Tkip inhibits the antiviral activity of IFN-γ and the expression of MHC Class I molecules. Tkip can be used to study the IFN-γ signaling pathway.

HY-P1585

Gp100 (25-33), human		99.28%
Gp100 (25-33), human (Hgp100 (25-33)) is the amino acids 25-33 fragment of the human melanoma antigen. It is a 9-amino acid (AA) epitope restricted by H-2D^b and recognized by the T cells.

HY-P3715

OVA peptide		99.38%
OVA peptide mainly exists in egg white, it is a class I (Kb)-restricted peptide epitope of ovalbumin presented by the class I MHC (major histocompatibility complex) molecule, H-2Kb (class I genes of the mouse MHC). OVA peptide has been widely studied in allergy research.

HY-P2459

MOG (35-55), human		98.93%
MOG (35-55), human is a component of CNS myelin. MOG (35-55), human is different from mMOG (35-55) by a proline for serine substitution at position 42. MOG (35-55), human is also immunogenic via bind to H-2b class II MHC and recognized by T cells, but not encephalitogenic, and is only partially cross-reactive with mMOG35–55. MOG (35-55), human induces minimal clinical signs of EAE relative to the rodent peptide.

HY-P990189

Anti-Monkey/Human MHC class II (HLA-DR) Antibody (L243)	Inhibitor
Anti-Monkey/Human MHC class II (HLA-DR) Antibody (L243) is a mouse-derived IgG2a, κ type antibody inhibitor, targeting to monkey/human MHC class II.

HY-P3333A

KSPWFTTL TFA		99.07%
KSPWFTTL TFA is an immunodominant Kb-restricted epitope from the p15E transmembrane protein. KSPWFTTL TFA can restore susceptibility of a tumor line to anti-AKR/Gross MuLV cytotoxic T lymphocytes.

HY-P5410

OVA-Q4 Peptide		99.78%
OVA-Q4 Peptide is a biological active peptide. (Q4 Peptide (SIIQFEKL) is a variant of the agonist ovalbumin (OVA) peptide (257-264), SIINFEKL. OVA Peptide is a class I (Kb)-restricted peptide epitope of ovalbumin presented by the class I MHC (major histocompatibility complex) molecule, H-2Kb (class I genes of the mouse MHC).)

HY-P1899

Smcy HY Peptide (738-746)		99.89%
Smcy HY Peptide (738-746) is a H2-D^b-restricted peptide corresponding to amino acids 738-746 of Smcy protein.

HY-W168754

DB28	Inhibitor	99.92%
DB28 is a novel MR1 ligand. DB28 decreases cell surface expression of MR1 and competitively inhibits activation of MAIT cells by agonist ligands.

HY-P10582A

SIYNFEKL TFA		99.92%
SIYNFEKL TFA is a variant of major MHC class I-restricted epitope SIINFEKL. SIYNFEKL TFA is an antigenic peptide, that can stimulate specific T cells in experimental settings to study the competitive interaction between T cell. SIYNFEKL TFA exhibits low affinity for the OT-I T cell receptor (TCR), and can be used for detection of CD8+ T cells.

HY-P10581A

SIIVFEKL TFA		99.85%
SIIVFEKL TFA is a variant of the major MHC class I-restricted epitope SIINFEKL. SIIVFEKL TFA is an antigenic peptide, that can stimulate specific T cells in experimental settings to study the competitive interaction between T cells. SIIVFEKL TFA exhibits low affinity for the OT-I T cell receptor (TCR), and can be used for detection of CD8+ T cells.

HY-P2461

MOG (89-113), human
MOG (89-113), human is a peptide fragment of human myelin oligodendrocyte glycoprotein.

HY-P2525

GAD65 (206-220)
GAD65 (206-220) is glutamic acid decarboxylase (GAD) 65-derived peptide, corresponding to residues 180-188. GAD65 is presented to T cells in association with I-Ag7 MHC class II molecules and a major pancreatic antigens targeted by self-reactive T cells in type I diabetes mellitus.

HY-P990185

Anti-Mouse/Rat MHC Class II (I-Ek/RT1-D) Antibody (14-4-4S)	Inhibitor
Anti-Mouse/Rat MHC Class II (I-Ek/RT1-D) Antibody (14-4-4S) is a mouse-derived IgG2a, κ type antibody inhibitor, targeting to mouse/rat MHC Class II.

HY-P1489B

OVA Peptide(257-264) acetate salt
OVA Peptide(257-264) acetate salt is a class I (Kb)-restricted peptide epitope of OVA, an octameric peptide can be from ovalbumin presented by the class I MHC molecule, H-2Kb.

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