Product Name	MHC Class II
Chinese Name	组织相容性复合体蛋白2（HLA-DMB）抗体
Alias	HLA-DMB; HLA class II histocompatibility antigen, DM beta chain; HLA-DMβ; DMA; DMB; DP beta 1; DPB 1; DPB1; DRB; HLA class II histocompatibility antigen DM beta chain; HLA DMB; HLA DPB1; HLADM; HLADP1B; Major histocompatibility complex class II; Major histocompatibility complex class II DP beta 1; MHC class II antigen DMB; MHC DPB1; RING6; RING7; MHC2; DMB_HUMAN.
literatures	Specific References  (5)     |     SL8481R has been referenced in 5 publications. [IF=11.092] Fangyu Qiao. et al. Hybrid Cell Membrane-Functionalized Matrixes for Modulating Inflammatory Microenvironment and Improving Bone Defect Repair. ADV HEALTHC MATER. 2023 Apr;:2203047  WB ;  Rat.   PubMed:37059691 [IF=7.561] Pengfei Li. et al. Comparative Proteomic Analysis of Polarized Human THP-1 and Mouse RAW264.7 Macrophages. Front Immunol. 2021; 12: 700009  IF ;  Human, Mouse.   PubMed:34267761 [IF=7.376] Fenghong Wang. et al. Silica nanoparticles induce pyroptosis and cardiac hypertrophy via ROS/NLRP3/Caspase-1 pathway. Free Radical Bio Med. 2022 Mar;182:171  IHC,WB ;  Rat,Human.   PubMed:10.1016/j.freeradbiomed.2022.02.027 [IF=6.63] Yin, Lili. et al. Extracellular vesicles derived from M2-polarized tumor-associated macrophages promote immune escape in ovarian cancer through NEAT1/miR-101-3p/ZEB1/PD-L1 axis. CANCER IMMUNOL IMMUN. 2022 Nov;:1-16  IF ;  Human, Mouse.   PubMed:36319716 [IF=3.943] Xueli Bai. et al. Methionine enkephalin activates autophagy and stimulates tumour cell immunogenicity in human cutaneous squamous cell carcinoma. Int Immunopharmacol. 2021 Jul;96:107733  IF ;  Human.   PubMed:33965882
Research Area	Tumour  Cell biology  immunology  Neurobiology  Signal transduction  Cell differentiation
Immunogen Species	Rabbit
Clonality	Polyclonal
React Species	Human, Mouse,  (predicted: Rat, )
Applications	WB=1:500-2000 ELISA=1:5000-10000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （Paraffin sections need antigen repair） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
Theoretical molecular weight	27kDa
Cellular localization	cytoplasmic The cell membrane
Form	Liquid
Concentration	1mg/ml
immunogen	KLH conjugated synthetic peptide derived from human HLA class II histocompatibility antigen DM beta chain: 111-200/263
Lsotype	IgG
Purification	affinity purified by Protein A
Buffer Solution	0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
Storage	Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Attention	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed	PubMed
Product Detail	MHC Class II antigens are heterodimers consisting of one alpha chain (31-34kD) and one beta chain (26-29kD). The family of monoclonal antibodies (ER-TR 3, ER-TR 2, ER-TR 1) detect MHC class II antigens encoded by the murine Ia region of the H-2 complex, corresponding to the human HLA-DR region. MHC Class II antigens are a valuable tool for studying T helper cell interaction with class II positive antigen presenting cells (dendritic cells, B cells, macrophages) and offer new possibilities for studying the development of T helper cells since these antibodies also stain stromal cells in the thymus. MHC Class II antigens are also inducible on a number of other cells (endothelium and epithelial cells) by interferon gamma. Function: Binds peptides derived from antigens that access the endocytic route of antigen presenting cells (APC) and presents them on the cell surface for recognition by the CD4 T-cells. The peptide binding cleft accomodates peptides of 10-30 residues. The peptides presented by MHC class II molecules are generated mostly by degradation of proteins that access the endocytic route, where they are processed by lysosomal proteases and other hydrolases. Exogenous antigens that have been endocytosed by the APC are thus readily available for presentation via MHC II molecules, and for this reason this antigen presentation pathway is usually referred to as exogenous. As membrane proteins on their way to degradation in lysosomes as part of their normal turn-over are also contained in the endosomal/lysosomal compartments, exogenous antigens must compete with those derived from endogenous components. Autophagy is also a source of endogenous peptides, autophagosomes constitutively fuse with MHC class II loading compartments. In addition to APCs, other cells of the gastrointestinal tract, such as epithelial cells, express MHC class II molecules and CD74 and act as APCs, which is an unusual trait of the GI tract. To produce a MHC class II molecule that presents an antigen, three MHC class II molecules (heterodimers of an alpha and a beta chain) associate with a CD74 trimer in the ER to form an heterononamer. Soon after the entry of this complex into the endosomal/lysosomal system where antigen processing occurs, CD74 undergoes a sequential degradation by various proteases, including CTSS and CTSL, leaving a small fragment termed CLIP (class-II-associated invariant chain peptide). The removal of CLIP is facilitated by HLA-DM via direct binding to the alpha-beta-CLIP complex so that CLIP is released. HLA-DM stabilizes MHC class II molecules until primary high affinity antigenic peptides are bound. The MHC II molecule bound to a peptide is then transported to the cell membrane surface. In B cells, the interaction between HLA-DM and MHC class II molecules is regulated by HLA-DO. Primary dendritic cells (DCs) also to express HLA-DO. Lysosomal miroenvironment has been implicated in the regulation of antigen loading into MHC II molecules, increased acidification produces increased proteolysis and efficient peptide loading. Subunit: Heterodimer of an alpha chain (DMA) and a beta chain (DMB). Subcellular Location: Cell membrane. Endoplasmic reticulum membrane. Golgi apparatus > trans-Golgi network membrane. Endosome membrane. Lysosome membrane. The MHC class II complex transits through a number of intracellular compartments in the endocytic pathway until it reaches the cell membrane for antigen presentation. Similarity: Belongs to the MHC class II family. Contains 1 Ig-like C1-type (immunoglobulin-like) domain. SWISS: P28068 Gene ID: 3109 Database links: Entrez Gene: 3109 Human SwissProt: P28068 Human
Product Picture	Protein: mouse lung lysates at 30ug; Primary: Anti-MHC Class II (SL8481R) at 1:200; Secondary: HRP conjugated Goat Anti-Rabbit IgG(SL0295G-HRP) at 1: 3000; ECL excitated the fluorescence; Predicted band size : 27kD Observed band size : 30kD Sample: Lane 1: Lung (Mouse) Lysate at 40 ug Lane 2: Cerebrum (Mouse) Lysate at 40 ug Lane 3: Lymph node (Mouse) Lysate at 40 ug Lane 4: Spleen (Mouse) Lysate at 40 ug Primary: Anti-MHC Class II (SL8481R) at 1/1000 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 29/50 kD Observed band size: 50 kD Tissue/cell: human lung carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded; Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min; Incubation: Anti-MHC Class II Polyclonal Antibody, Unconjugated(SL8481R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining

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