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Exbio
—
Research products
—
Antibodies
—
MHC antigens
—
Anti-HLA-G Purified
Anti-HLA-G Purified
Regulatory status
RUO
Antigen
HLA-G
Clone
G233
Format
Purified
Reactivity
Human
Application
ELISA, IP, FC (QC tested), IHC-F
Variant
0.1 mg
11-494-C100
In stock
209.00 USD
0.025 mg
11-494-C025
Delivery 1 week
104.50 USD
Variant
0.1 mg
11-494-C100
In stock
209.00 USD
0.025 mg
11-494-C025
Delivery 1 week
104.50 USD
Contact distributor
Product details
Description
Images
References
SDS download
Isotype
Mouse IgG2a
Specificity
The mouse monoclonal antibody G233 recognizes an extracellular epitope on several isoforms of HLA-G expressed in all populations of extravillous trophoblast (cell columns, interstitial trophoblast, endovascular trophoblast, placental bed giant cells). HLA-G belongs to the nonclassical MHC Class I molecules (MHC Class Ib). The antibody G233 has been found not to cross-react with any other MHC Class I antigens (HLA-A, -B, -C, -E, -F).
Application
ELISA, IP, FC (QC tested), IHC-F
Application details
Flow cytometry: Extracellular and intracellular staining; recommended dilution: 1-4 μg/ml.
Reactivity
Human
Immunogen
HLA-A2.1/human beta2-microglobulin double transgenic mice were immunized with murine L cells transfected with both human beta2-microglobulin and HLA-G.
Concentration
1 mg/ml
Preparation
Purified by protein-A affinity chromatography.
Formulation
Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide
Storage and handling
Store at 2-8°C. Do not freeze.
Exbio licence note
The product is intended For Research Use Only. Diagnostic or therapeutic applications are strictly forbidden. Products shall not be used for resale or transfer to third parties either as a stand-alone product or as a manufacture component of another product without written consent of EXBIO Praha, a.s. EXBIO Praha, a.s. will not be held responsible for patent infringement or any other violations of intellectual property rights that may occur with the use of the products. Orders for all products are accepted subject to the Term and Conditions available at www.exbio.cz. EXBIO, EXBIO Logo, and all other trademarks are property of EXBIO Praha, a.s.
Antigen description
Human leukocyte antigen G (HLA-G), belonging to MHC class I glycoproteins, plays important roles in both physiological and pathological immunotolerance. It gives an inhibitory signal to cytotoxic T cells, NK cells, monocytes, and some other immune cells. It also induces regulatory T cells and anti-inflammatory macrophages. HLA-G is important e.g. for maternal tolerance to the fetus, and for immunomodulation in particular adult tissues, such as in cornea, pancreatic islets, thymus and other. On the other hand, it is expressed in many solid and hematologic malignancies, where it contributes to evasion of the immune surveillance. HLA-G expression pattern in cancer is an important prognostic factor regarding a poor clinical outcome. Unlike most other MHC glycoproteins, HLA-G acts as an immune checkpoint molecule rather than as an antigen presenting molecule. It concerns both transmembrane and soluble HLA-G isoforms. Among other, HLA-G can promote Th2 immunological response and downregulate Th1 immunological response. For its benefits regarding allograft tolerance, including embryo implantation, soluble HLA-G (sHLA-G) can be used as a marker of developmental potential of embryos during the process of in vitro fertilization. Similarly, sHLA-G concentrations in maternal serum are decreased in preeclampsia. Transplanted patients with increased sHLA-G serum levels have improved allograft acceptance. On the other hand, increased sHLA-G can also indicate presence of malignant (sometimes also of benign) tumor cells. Another important topic is induction of HLA-G expression (sometimes associated with shedding of HLA-G from the cell surface) by some anti-cancer or anti-viral therapies, which can weaken the therapy effect. Monitoring of HLA-G in patients thus has a wide usage.
Entrez Gene ID
3135
UniProt ID
P17693
Flow cytometry analysis (surface staining) of HLA-G in HLA-G transfectants using anti-HLA-G (G233) purified / GAM-APC.
General references:
Creput C, Durrbach A, Menier C, Guettier C, Samuel D, Dausset J, Charpentier B, Carosella ED, Rouas-Freiss N. Human leukocyte antigen-G (HLA-G) expression in biliary epithelial cells is associated with allograft acceptance in liver-kidney transplantation. J Hepatol. 2003 39(4):587-94.
PubMed
Menier C, Saez B, Horejsi V, Martinozzi S, Krawice-Radanne I, Bruel S, LeDanff C, Reboul M, Hilgert I, Rabreau M, Larrad ML, Pla M, Carosella ED, Rouas-Freiss N: Characterization of monoclonal antibodies recognizing HLA-G or HLA-E: new tools to analyze the expression of nonclassical HLA class I molecules. Hum Immunol. 2003 64(3):315-26.
PubMed
Lin A, Yan WH: Heterogeneity of HLA-G expression in cancers: Facing the challenges. Front Immunol. 2018 Sep 27;9:2164.
PubMed
Hunt JS, Langat DK, McIntire RH, Morales PJ: The role of HLA-G in human pregnancy. Reprod Biol Endocrinol. 2006;4 Suppl 1(Suppl 1):S10.
PubMed
Xu HH, Yan WH, Lin A: The role of HLA-G in human papillomavirus infections and cervical carcinogenesis. Front Immunol. 2020 Jun 25;11:1349.
PubMed
Castelli EC, de Almeida BS, Muniz YC, Silva NS, Passos MR, Souza AS, Page AE, Dyble M, Smith D, Aguileta G, Bertranpetit J, Migliano AB, Duarte YA, Scliar MO, Wang J, Passos-Bueno MR, Naslavsky MS, Zatz M, Mendes CT, Donadi EA: HLA-G genetic diversity and evolutive aspects in worldwide populations. Sci Rep. 2021 Nov 29;11(1):23070.
PubMed
Curigliano G, Criscitiello C, Gelao L, Goldhirsch A: Molecular pathways: Human leukocyte antigen G (HLA-G). Clin Cancer Res. 2013 Oct 15;19(20):5564-71.
PubMed
Product specific references:
Gonzalez A, Alegre E, Arroyo A, LeMaoult J, Echeveste JI: Identification of circulating nonclassic human leukocyte antigen G (HLA-G)-like molecules in exudates. Clin Chem. 2011 Jul;57(7):1013-22.
PubMed
Van Lierop MJ, Wijnands F, Loke YW, Emmer PM, Lukassen HG, Braat DD, van der Meer A, Mosselman S, Joosten I: Detection of HLA-G by a specific sandwich ELISA using monoclonal antibodies G233 and 56B. Mol Hum Reprod. 2002 Aug;8(8):776-84.
PubMed
Bulmer JN, Cioni R, Bussani C, Cirigliano V, Sole F, Costa C, Garcia P, Adinolfi M: HLA-G positive trophoblastic cells in transcervical samples and their isolation and analysis by laser microdissection and QF-PCR. Prenat Diagn. 2003 Jan;23(1):34-9.
PubMed
Loke YW, King A, Burrows T, Gardner L, Bowen M, Hiby S, Howlett S, Holmes N, Jacobs D: Evaluation of trophoblast HLA-G antigen with a specific monoclonal antibody. Tissue Antigens. 1997 Aug;50(2):135-46.
PubMed
Mandelboim O, Pazmany L, Davis DM, Vales-Gomez M, Reyburn HT, Rybalov B, Strominger JL: Multiple receptors for HLA-G on human natural killer cells. Proc Natl Acad Sci U S A. 1997 Dec 23;94(26):14666-70.
PubMed
Rajagopalan S, Long EO: A human histocompatibility leukocyte antigen (HLA)-G-specific receptor expressed on all natural killer cells. J Exp Med. 1999 Apr 5;189(7):1093-100.
PubMed
Blaschitz A, Hutter H, Dohr G: HLA Class I protein expression in the human placenta. Early Pregnancy. 2001 Jan;5(1):67-9.
PubMed
Imudia AN, Suzuki Y, Kilburn BA, Yelian FD, Diamond MP, Romero R, Armant DR: Retrieval of trophoblast cells from the cervical canal for prediction of abnormal pregnancy: a pilot study. Hum Reprod. 2009 Sep;24(9):2086-92.
PubMed
Frumento G, Franchello S, Palmisano GL, Nicotra MR, Giacomini P, Loke YW, Geraghty DE, Maio M, Manzo C, Natali PG, Ferrara GB. Melanomas and melanoma cell lines do not express HLA-G, and the expression cannot be induced by gammaIFN treatment. Tissue Antigens. 2000 Jul;56(1):30-7.
PubMed
Further SDS language mutations available for download below. Please contact us with request for additional languages on info@exbio.cz
MPAbNaN3_SDS_v1_AU.pdf
MPAbNaN3_SDS_v1_GB.pdf
MPAbNaN3_SDS_v1_TR.pdf
MPAbNaN3_SDS_v6_AT.pdf
MPAbNaN3_SDS_v6_CH.pdf
MPAbNaN3_SDS_v6_CS.pdf
MPAbNaN3_SDS_v6_EN.pdf
MPAbNaN3_SDS_v6_ES.pdf
MPAbNaN3_SDS_v6_FR.pdf
MPAbNaN3_SDS_v6_IT.pdf
MPAbNaN3_SDS_v6_NO.pdf
MPAbNaN3_SDS_v6_PL.pdf
MPAbNaN3_SDS_v6_PT.pdf
MPAbNaN3_SDS_v6_SE.pdf
MPAbNaN3_SDS_v6_SK.pdf
MPAbNaN3_SDS_v6_SL.pdf
MPAbNaN3_SDS_v7_DE.pdf
Variant
0.1 mg
11-494-C100
In stock
209.00 USD
0.025 mg
11-494-C025
Delivery 1 week
104.50 USD
Variant
0.1 mg
11-494-C100
In stock
209.00 USD
0.025 mg
11-494-C025
Delivery 1 week
104.50 USD
Contact distributor
Datasheet download
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