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AB223841

Anti-GITR antibody [EPR20566]

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(4 Publications)

Rabbit Recombinant Monoclonal GITR antibody. Suitable for WB, ICC/IF, IHC-P and reacts with Human samples. Cited in 4 publications.

View Alternative Names

CD357, AITR, GITR, UNQ319/PRO364, TNFRSF18, Tumor necrosis factor receptor superfamily member 18, Activation-inducible TNFR family receptor, Glucocorticoid-induced TNFR-related protein

5 Images
Immunocytochemistry/ Immunofluorescence - Anti-GITR antibody [EPR20566] (AB223841)
  • ICC/IF

Supplier Data

Immunocytochemistry/ Immunofluorescence - Anti-GITR antibody [EPR20566] (AB223841)

Immunofluorescent analysis of 4% paraformaldehyde-fixed 0.1% Triton X-100 permeabilized HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) cells, transfected with GFP only or with GFP-tagged GITR expression vector, labeling GITR with ab223841 at 1/500 dilution followed by by Goat Anti-Rabbit IgG H&L (Alexa Fluor® 647) (ab150079) secondary antibody (white) at 1/500 dilution. Confocal image showing cytoplasmic staining in HEK-293T cells transfected with GFP-tagged GITR expression vector.

The nuclear counter stain is DAPI (blue). Tubulin is detected with Anti-alpha Tubulin antibody [DM1A] - Microtubule Marker (Alexa Fluor® 594) (ab195889) (red) at 1/200 dilution.

Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (Alexa Fluor® 647) (ab150079) secondary antibody at 1/500 dilution.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)

Immunohistochemical analysis of paraffin-embedded human tonsil tissue labeling GITR using ab223841 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) Ready to use. Cytoplasmic staining in sporadic cells (arrows) in human tonsil (PMID : 25787078; PMID : 23785514). Counter stained with hematoxylin.

Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) Ready to use.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)

Immunohistochemical analysis of paraffin-embedded human Hodgkin's lymphoma tissue labeling GITR with ab223841 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) Ready to use. Cytoplasmic staining in sporadic cells (arrows) in human Hodgkin's lymphoma (PMID : 25787078; PMID : 23785514). Counter stained with hematoxylin.

Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) Ready to use.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-GITR antibody [EPR20566] (AB223841)

Immunohistochemical analysis of paraffin-embedded human colon tissue labeling GITR with ab223841 at 1/1000 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) Ready to use. Cytoplasmic staining in stromal cells (arrows) in human colon (PMID : 25787078; PMID : 23785514). Counter stained with hematoxylin.

Secondary antibody only control : Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) Ready to use.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Western blot - Anti-GITR antibody [EPR20566] (AB223841)
  • WB

Supplier Data

Western blot - Anti-GITR antibody [EPR20566] (AB223841)

Blocking/Dilution buffer : 5% NFDM/TBST.

All lanes:

Western blot - Anti-GITR antibody [EPR20566] (ab223841) at 1/1000 dilution

Lane 1:

HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) transfected with an empty vector (vector control) containing a Myc-GFP-tag whole cell lysate at 10 µg

Lane 2:

HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) transfected with human GITR, containing a Myc-GFP-tag, whole cell lysate at 10 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

Predicted band size: 26 kDa

Observed band size: 52 kDa

true

Exposure time: 1s

  • Carrier free

    Anti-GITR antibody [EPR20566] - BSA and Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR20566

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

ICC/IF, WB, IHC-P

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Specificity

We found ab223841 worked well in WB with recombinant protein only. The glycosylation of the endogenous target resulted in different molecular masses on the blot.

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1/1000", "WB-species-notes": "<p></p>", "ICCIF-species-checked": "testedAndGuaranteed", "ICCIF-species-dilution-info": "1/500", "ICCIF-species-notes": "<p></p>", "IHCP-species-checked": "testedAndGuaranteed", "IHCP-species-dilution-info": "1/1000", "IHCP-species-notes": "<p></p>" } } }
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Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.01% Sodium azide Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

GITR also known as TNFRSF18 is a 241 amino acid protein with a mass of approximately 27 kDa. It belongs to the tumor necrosis factor receptor superfamily. GITR is highly expressed on activated T cells and regulatory T cells (Tregs). The gene encoding GITR is located on chromosome 1 in humans. High surface expression is also observed in immune tissues such as the thymus spleen and lymph nodes playing an important role in immune responses.
Biological function summary

GITR acts as a costimulatory molecule that enhances T cell activation and proliferation. It does not function as part of a complex but interacts directly with ligand GITRL triggering downstream signaling cascades. This interaction is key in the modulation of immune responses notably in enhancing the activity of effector T cells and regulating Treg functions. Activation of GITR can reduce Treg-mediated suppression leading to enhanced immune responses.

Pathways

The mechanistic role of GITR involves NF-kB and MAPK signaling pathways. Through these GITR impacts immune responses by stimulating the production of cytokines and promoting cell survival and proliferation. GITR signaling intersects with pathways involving proteins such as NF-kB further integrating with the immune system's regulation crescendo.

GITR appears to play a role in autoimmune conditions like rheumatoid arthritis and potential cancer immunotherapy. In autoimmune diseases GITR modulates immune activity influencing the balance between inhibition and activation of T cells. In oncology GITR targeting aims to enhance immune responses against tumors. Through these conditions GITR shows connections to proteins such as CTLA-4 which also contributes to immune regulatory processes.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Receptor for TNFSF18. Seems to be involved in interactions between activated T-lymphocytes and endothelial cells and in the regulation of T-cell receptor-mediated cell death. Mediated NF-kappa-B activation via the TRAF2/NIK pathway.
See full target information TNFRSF18
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Publications (4)

Recent publications for all applications. Explore the full list and refine your search

Endocrine-related cancer 32: PubMed40525887

2025

Plasma metabolomics for the preoperative diagnosis of parathyroid carcinoma.

Applications

Unspecified application

Species

Unspecified reactive species

Jinheng Xiao,Ming Cui,Qingyuan Zheng,Sen Yang,Tianqi Chen,Ya Hu

Translational andrology and urology 11:1691-1705 PubMed36632155

2023

A lncRNA-immune checkpoint-related gene signature predicts metastasis-free survival in prostate adenocarcinoma.

Applications

Unspecified application

Species

Unspecified reactive species

Chen Ye,Shengfei Qin,Shuang Qiu,Lin Zhao,Jiaying Miao,Yuangui Chen,Tie Zhou

iScience 25:105529 PubMed36419848

2022

High-level of intratumoral GITR+ CD4 T cells associate with poor prognosis in gastric cancer.

Applications

Unspecified application

Species

Unspecified reactive species

Shouyu Ke,Feng Xie,Yixian Guo,Jieqiong Chen,Zeyu Wang,Yimeng Yu,Haigang Geng,Danhua Xu,Xu Liu,Xiang Xia,Fengrong Yu,Chunchao Zhu,Zizhen Zhang,Gang Zhao,Bin Li,Wenyi Zhao

Nature cancer 3:337-354 PubMed35256819

2022

An anti-PD-1-GITR-L bispecific agonist induces GITR clustering-mediated T cell activation for cancer immunotherapy.

Applications

Unspecified application

Species

Unspecified reactive species

Sarah Chan,Nicole Belmar,Sun Ho,Bryan Rogers,Marcia Stickler,Michelle Graham,Eileen Lee,Ninian Tran,Dong Zhang,Priyanka Gupta,Mien Sho,Tracy MacDonough,Andrew Woolley,Han Kim,Hong Zhang,Wei Liu,Pingping Zheng,Zoltan Dezso,Kyle Halliwill,Michele Ceccarelli,Susan Rhodes,Archana Thakur,Charles M Forsyth,Mengli Xiong,Siu Sze Tan,Ramesh Iyer,Marc Lake,Enrico Digiammarino,Li Zhou,Lance Bigelow,Kenton Longenecker,Russell A Judge,Cassie Liu,Max Trumble,Jonathan P Remis,Melvin Fox,Belinda Cairns,Yoshiko Akamatsu,Diane Hollenbaugh,Fiona Harding,Hamsell M Alvarez
View all publications
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Product promise

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