HLA G Antibody (01G) [mFluor Violet 610 SE]

Novus Biologicals, part of Bio-Techne | Catalog # NBP1-44926MFV610

Novus Biologicals, part of Bio-Techne
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NBP1-44926
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Key Product Details

Species Reactivity

Validated:

Human, Mouse (Negative), Rat (Negative)

Applications

CyTOF-ready, ELISA, Flow Cytometry, Immunocytochemistry/ Immunofluorescence, Immunohistochemistry, Immunohistochemistry-Frozen, Immunoprecipitation

Label

mFluor Violet 610 SE (Excitation = 421 nm, Emission = 613 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 01G

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all HLA-G Antibodies »

Product Summary for HLA G Antibody (01G) [mFluor Violet 610 SE]

Immunogen

HLA-B27 transgenic mice were imunized with H-2 identical murine cells transfected with and expressing genes encoding HLA G Antibody (01G) and human beta2-microglobulin.

Specificity

The antibody 01G recognizes membrane-bound form of HLA-G (full-length HLA-G1), but not soluble forms. HLA-G belongs to the MHC Class I molecules (MHC Class Ib; nonclassical) and it is expressed on the surface of trophoblast cells.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for HLA G Antibody (01G) [mFluor Violet 610 SE]

HLA G Antibody (01G) [mFluor Violet 610 SE]

HLA G Antibody (01G) [mFluor Violet 610 SE] [NBP1-44926MFV610] -

HLA G Antibody (01G) [mFluor Violet 610 SE] [NBP1-44926MFV610] - Vial of mFluor Violet 610 conjugated antibody. mFluor Violet 610 is optimally excited at 421 nm by the Violet laser (405 nm) and has an emission maximum of 613 nm.

Applications for HLA G Antibody (01G) [mFluor Violet 610 SE]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunocytochemistry/ Immunofluorescence

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Frozen

Optimal dilutions of this antibody should be experimentally determined.

Immunoprecipitation

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: HLA-G

Human leukocyte antigen (HLA)-G is a non-classical major histocompatibility complex (MHC) class I gene belonging to the HLA class I family. The HLA class I family is subdivided into the classical (HLA-Ia) antigens comprised of HLA-A, -B, and -C molecules and the nonclassical (HLA-Ib) group including the HLA-E, -F, and -G molecules. Seven different splice variants of HLA-G have been observed including four membrane isoforms (HLA-G1, HLA-G2, HLA-G3, and HLA-G4) and three soluble isoforms (HLA-G5, HLA-G6 and HLA-G7). Proteolytic processing of HLA-G1 by metalloproteinases (MMPs) such as MMP-2 produces the soluble isoform, shedding HLA-G1. The HLA-G1 and HLA-G5 isoforms share a similar confirmation to the classical MHC class I protein, consisting of three extracellular domains including alpha1, alpha2, and alpha3 associated with Beta-2-microglobulin (B2M). Other HLA-G variants are shorter, missing one or two of the globular domains and are not bound to B2M. HLA-G receptors include KIR2DL4 (CD158d), with the highest affinity for ILT2 (LILRB1, CD85j) and ILT4 (LILRB2, CD85d) (1,2).

Discovered in cytotrophoblasts, HLA-G is involved in fetal maternal immune tolerance and some studies have linked its downregulation with severe preeclampsia (3). HLA-G mediated immune suppression works by impeding cell proliferation, differentiation, cytotoxicity, cytokine secretion and chemotaxis; and activation of regulatory cells and MDSCs or M2 type macrophage. HLA-G is constitutively expressed in immune-privileged sites such as pancreatic islets, mesenchymal stem cells (MSCs) and the cornea. Upregulation of HLA-G occurs in pathological states including cancer, allo-transplantations, viral infections, autoimmune and inflammatory diseases (4). In cancer, HLA-G expression is induced by hypoxia and has been correlated with advanced tumor stage, tumor metastasis, and poor therapeutic response and survival. HLA-G is an attractive tumor associated-antigen (TAA) for immunotherapy and is considered a major immune checkpoint (ICP).

References

1. Loustau, M., Anna, F., Drean, R., Lecomte, M., Langlade-Demoyen, P., & Caumartin, J. (2020). HLA-G Neo-Expression on Tumors. Front Immunol, 11:1685. PMID: 32922387

2. Lin A, Yan WH. (2018) Heterogeneity of HLA-G Expression in Cancers: Facing the Challenges. Front Immunol. 9:2164. PMID: 30319626

3. Djurisic S, Hviid TV. (2014) HLA Class Ib Molecules and Immune Cells in Pregnancy and Preeclampsia. Front Immunol. 5:652. PMID: 25566263

4. Lila N, Rouas-Freiss N, Dausset J, Carpentier A, Carosella ED. (2001) Soluble HLA-G protein secreted by allo-specific CD4+ T cells suppresses the allo-proliferative response: a CD4+ T cell regulatory mechanism. Proc Natl Acad Sci U S A. 98(21):12150-12155. PMID: 11572934

Long Name

Major Histocompatibility Complex, Class I, G

Alternate Names

HLA G, HLA-6.0, HLAG, MHC Class I Antigen G, MHC-G

Gene Symbol

HLA-G

Additional HLA-G Products

Product Documents for HLA G Antibody (01G) [mFluor Violet 610 SE]

Product Datasheets

Certificate of Analysis

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Product Specific Notices for HLA G Antibody (01G) [mFluor Violet 610 SE]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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