HLA-G monoclonal antibody, clone 87G
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Specification
Product Description
Mouse monoclonal antibody raised against HLA-G and B2M.
Immunogen
HLA-B27 transgenic mice were imunized with H-2 identical murine cells transfected with and expressing genes encoding HLA-G and human beta2-microglobulin.
Host
Mouse
Reactivity
Human
Specificity
This antibody recognizes both membrane-bound and soluble forms of HLA-G (HLA-G1and HLA-G5). HLA-G belongs to the MHC Class I molecules (MHC Class Ib; nonclassical) and it is expressed on the surface of trophoblast cells. This antibody blocks interaction of HLA-G with inhibitory receptors.
Form
Liquid
Purification
Protein-A affinity chromatography
Purity
> 95% by SDS-PAGE
Endotoxin Level
< 0.01 EU/ug
Isotype
IgG2a
Recommend Usage
ELISA (1 ug/mL)
Flow Cytometry (2 ug/ml)
Immunohistochemistry (Frozen sections) (10 ug/mL)
The optimal working dilution should be determined by the end user.Storage Buffer
In PBS, pH 7.4
Storage Instruction
Store at 4°C. Do not freeze.
Aliquot to avoid repeated freezing and thawing. -
Applications
Immunohistochemistry (Frozen sections)
Enzyme-linked Immunoabsorbent Assay
Functional Study
Analysis of cytolytical activity of human polyclonal NK cells on target melanoma cells. Blocking of HLA-G1 on transfectants with anti-human HLA-G (87G) restored specific lysis.
Target cells : M8 cell line transfected with empty vector (column 1) and with HLA-G1 cDNA (columns 2-6).
Blocking antibodies :
Column 1-2 : none.
Column 3 : Isotype mouse IgG2a control.
Column 4 : HLA-G monoclonal antibody, clone 87G (Cat # MAB11223).
Column 5 : HLA-G (Fab) monoclonal antibody, clone 87G.
Column 6 : HLA-G monoclonal antibody, clone MEM-G/9 (Cat # MAB3855).Flow Cytometry
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Gene Info — HLA-G
Entrez GeneID
3135Gene Name
HLA-G
Gene Alias
MHC-G
Gene Description
major histocompatibility complex, class I, G
Gene Ontology
HyperlinkGene Summary
HLA-G belongs to the HLA class I heavy chain paralogues. This class I molecule is a heterodimer consisting of a heavy chain and a light chain (beta-2 microglobulin). The heavy chain is anchored in the membrane. HLA-G is expressed on fetal derived placental cells. The heavy chain is approximately 45 kDa and its gene contains 8 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the alpha1 and alpha2 domain, which both bind the peptide, exon 4 encodes the alpha3 domain, exon 5 encodes the transmembrane region, and exon 6 encodes the cytoplasmic tail. [provided by RefSeq
Other Designations
HLA class I molecule|HLA-G histocompatibility antigen, class I, G|MHC class I antigen|OTTHUMP00000039485|b2 microglobulin
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Interactome
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Pathway
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Disease
- Abortion
- Anemia
- Arthritis
- Asthma
- Autoimmune Diseases
- Behcet Syndrome
- Birth Weight
- Bronchial Hyperreactivity
- Carcinoma
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Publication Reference
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IDO-1 impairs antitumor immunity of natural killer cells in triple-negative breast cancer via up-regulation of HLA-G.
Rui Jing, Shukun Bai, Peipei Zhang, Hao Ren, Lintao Jia, Weimiao Li, Guoxu Zheng.
Breast Cancer 2023 Nov; [Epub]:0.
Application:Blocking, Human, Triple-negative breast cancer (TNBC) cells.
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Interaction between HLA-G and NK cell receptor KIR2DL4 orchestrates HER2-positive breast cancer resistance to trastuzumab.
Guoxu Zheng, Zhangyan Guo, Weimiao Li, Wenjin Xi, Baile Zuo, Rui Zhang, Weihong Wen, An-Gang Yang, Lintao Jia.
Signal Transduction and Targeted Therapy 2021 Jun; 6(1):236.
Application:Blocking, Flow Cyt, Func, Human, BT-474 cells, Human nature killer cells, SK-BR-3 cells.
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IDO-1 impairs antitumor immunity of natural killer cells in triple-negative breast cancer via up-regulation of HLA-G.
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