MICA (MHC class I chain-related gene A) is a transmembrane glycoprotein that functions as a ligand for human NKG2D. A closely related protein, MICB, shares 85% amino acid identity with MICA. These proteins are distantly related to the MHC class I proteins. They possess three extracellular Ig-like domains, but they have no capacity to bind peptide or interact with beta 2-microglobulin. The genes encoding these proteins are found within the Major Histocompatibility Complex on human chromosome 6. The MICA locus is highly polymorphic with more than 50 recognized human alleles. MICA is absent from most cells but is frequently expressed in epithelial tumors and can be induced by bacterial and viral infections. MICA is a ligand for human NKG2D, an activating receptor expressed on NK cells, NKT cells, gamma delta T cells, and CD8+ alpha beta T cells. Recognition of MICA by NKG2D results in the activation of cytolytic activity and/or cytokine production by these effector cells. MICA recognition is involved in tumor surveillance, viral infections, and autoimmune diseases.
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Key Product Details
Species Reactivity
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Ala23-Gln308
Accession # NP_001170990
Specificity
Clonality
Host
Isotype
Endotoxin Level
Scientific Data Images for Human MICA Antibody
MICA in Human Breast Cancer Tissue.
MICA was detected in immersion fixed paraffin-embedded sections of human breast cancer tissue using Goat Anti-Human MICA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1300) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of immersion fixed paraffin-embedded Tissue Sections.
Applications for Human MICA Antibody
Blockade of Receptor-ligand Interaction
In a functional ELISA, 0.4-1.2 µg/mL of this antibody will block 50% of the binding of 50 ng/mL of biotinylated Recombinant Human MICA Fc Chimera to immobilized Recombinant Human NKG2D Fc Chimera (Catalog # 1299‑NK) coated at 2 µg/mL (100 µL/well). At 5 μg/mL, this antibody will block >90% of the binding.
Immunohistochemistry
Sample: Immersion fixed paraffin-embedded sections of human breast cancer tissue
Western Blot
Sample: Recombinant Human MICA Fc Chimera (Catalog # 1300-MA)
Reviewed Applications
Read 1 review rated 4 using AF1300 in the following applications:
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 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.
Calculators
Background: MICA
References
- Groh, V. et al. (2001) Nature Immunol. 2:255.
- Stephens, H. (2001) Trends Immunol. 22:378.
- Bauer, S. et al. (1999) Science 285:727.
- Groh, V. et al. (2002) Nature 419:734.
- Steinle, A. et al. (2001) Immunogenetics 53:279.
- Pende, D. et al. (2002) Cancer Res. 62:6178.
- NKG2D and its Ligands (2002) http://www.RnDSystems.com
Long Name
Alternate Names
Entrez Gene IDs
Gene Symbol
UniProt
Additional MICA Products
Product Documents for Human MICA Antibody
Certificate of Analysis
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Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human MICA Antibody
For research use only
Related Research Areas
Citations for Human MICA Antibody
Customer Reviews for Human MICA Antibody (1)
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Application: Western BlotSample Tested: See PMID 23772752Species: HumanVerified Customer | Posted 01/05/2015
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Antigen Retrieval Protocol (PIER)
- Antigen Retrieval for Frozen Sections Protocol
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- Chromogenic IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Chromogenic Immunohistochemistry Staining of Frozen Tissue
- ClariTSA™ Fluorophore Kits
- Detection & Visualization of Antibody Binding
- Fluorescent IHC Staining of Frozen Tissue Protocol
- Graphic Protocol for Heat-induced Epitope Retrieval
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Graphic Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- IHC Sample Preparation (Frozen sections vs Paraffin)
- Immunofluorescent IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Immunohistochemistry Frozen Troubleshooting
- Immunohistochemistry Paraffin Troubleshooting
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Protocol for Heat-Induced Epitope Retrieval (HIER)
- Protocol for Making a 4% Formaldehyde Solution in PBS
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Preparation & Fixation of Cells on Coverslips
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections - Graphic
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections - Graphic
- Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- R&D Systems Quality Control Western Blot Protocol
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Immunohistochemistry
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars