Human TMIGD2/CD28H Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB83162

R&D Systems, part of Bio-Techne

Key Product Details

Species Reactivity

Human

Applications

Blockade of Receptor-ligand Interaction, CyTOF-ready, Flow Cytometry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2A Clone # 953743

View all TMIGD2/CD28H Antibodies »

Product Specifications

Immunogen

Human embryonic kidney cell line HEK-293-derived human TMIGD2/CD28H
Met1-Gly150
Accession # Q96BF3

Specificity

Detects human TMIGD2/CD28H in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Scientific Data Images for Human TMIGD2/CD28H Antibody

Detection of TMIGD2/CD28H antibody in HEK293 Human Cell Line Transfected with Human TMIGD2/CD28H and eGFP antibody by Flow Cytometry.

Detection of TMIGD2/CD28H in HEK293 Human Cell Line Transfected with Human TMIGD2/CD28H and eGFP by Flow Cytometry.

HEK293 human embryonic kidney cell line transfected with human TMIGD2/CD28H and eGFP was stained with and either (A) Mouse Anti-Human TMIGD2/CD28H Monoclonal Antibody (Catalog # MAB83162) or (B) Mouse IgG2AIsotype Control (MAB003) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (F0101B). View our protocol for Staining Membrane-associated Proteins.
B7-H7 binding to TMIGD2/CD28H-transfected HEK293 Human Cell Line is Blocked by Human TMIGD2/CD28H Antibody.

B7-H7 binding to TMIGD2/CD28H-transfected HEK293 Human Cell Line is Blocked by Human TMIGD2/CD28H Antibody.

In a functional flow cytometry test, Recombinant Human B7-H7 Fc Chimera (8084-B7, 500 ng/mL) binds to HEK293 human embryonic kidney cell line transfected with recombinant human TMIGD2/CD28H (black dotted line). Binding is completely blocked (orange histogram) by 50 µg/mL of Mouse Anti-Human TMIGD2/CD28H Monoclonal Antibody (Catalog # MAB83162). Mouse IgG2AIsotype Control (MAB003) at 50 µg/mL was used as a control (blue line). Cells were stained with Mouse Anti-Human IgG1Fc APC-conjugated Monoclonal Antibody (FAB110A).
Detection of TMIGD2/CD28H antibody in Human PBMC antibody by Flow Cytometry.

Detection of TMIGD2/CD28H in Human PBMC by Flow Cytometry.

Human PBMC were stained with either (A) Mouse Anti-Human TMIGD2/CD28H Monoclonal Antibody (Catalog # MAB83162) or (B) Mouse IgG2A Isotype Control (MAB003) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (F0101B) and Mouse Anti-Human CD3 PE-conjugated Monoclonal Antibody (FAB100P). View our protocol for Staining Membrane-associated Proteins.
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Applications for Human TMIGD2/CD28H Antibody

Application
Recommended Usage

Blockade of Receptor-ligand Interaction

In a functional flow cytometry test, 50 μg/mL of Mouse Anti-Human TMIGD2/CD28H Antibody (Catalog # MAB83162) will block the binding of 500 ng/mL Recombinant Human B7-H7 Fc Chimera (Catalog # 8084-B7) to HEK293 human embryonic kidney cell line transfected with recombinant human TMIGD2/CD28H.

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Flow Cytometry

0.25 µg/106 cells
Sample: HEK293 human embryonic kidney cell line transfected with human CD28H/IGPR-1 and eGFP, and Human PBMC

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: TMIGD2/CD28H

CD28 homolog (CD28H), also called TMIG2 and IGPR-1, is a 55 kDa glycosylated transmembrane protein that shares approximately 10% amino acid (aa) sequence identity with CD28, CTLA-4, ICOS, and PD-1. CD28H is composed of a single extracellular immunoglobulin variable-like domain (IgV) (aa 23-109), a transmembrane domain (aa 151-171), and a long cytoplasmic domain (aa172-282). CD28H is constitutively expressed on naive T and NK cells. Similar to the interaction of B7 with CD28, the interaction of CD28H with B7-H7 activates the Akt-dependent signaling cascade and promotes the proliferation and activation of newly generated peripheral effector and memory T cells (1, 2). CD28H is additionally expressed in the skin and epithelium lining the lung, airway, mammary gland, and gastrointestinal tract (3). It regulates cellular morphology, focal adhesion contact formation, and cell migration (3, 4). CD28H also participates in angiogenesis in vitro (3). CD28H interacts with multiple cytoskeletal proteins including Actin, Paxillin, SPIN90, CACNB2, and BPAG1. Interactions between the cytoplasmic proline-rich domain of CD28H and SPIN90 modulate the activity of CD28H in both angiogenesis and cell adhesion (3, 5).

References

  1. Zhu, Y. et al. (2013) Nat. Commun. 4:2043.
  2. Parry, R.V. et al. (2003) J.Immunol. 171:166.
  3. Rahimi, N. et al. (2012) Mol. Biol. Cell. 23:1646.
  4. Huang, C. et al. (2003) Nature 424:219.
  5. Kaneko, T. et al. (2008) Front. Biosci. 13:4938.

Long Name

Transmembrane And Immunoglobulin Domain Containing 2

Alternate Names

CD28H, IGPR-1, IGPR1

Entrez Gene IDs

126259 (Human)

Gene Symbol

TMIGD2

UniProt

Q96BF3

Additional TMIGD2/CD28H Products

Product Documents for Human TMIGD2/CD28H Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human TMIGD2/CD28H Antibody

For research use only

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