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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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MHC class I polypeptide-related sequence A (MICA) is a stress-inducible glycoprotein belonging to the non-classical MHC class I family that functions as a ligand for the activating receptor NKG2D. MICA is primarily expressed on epithelial cells and is upregulated in response to cellular stress, infection, and malignant transformation, where it serves as a key mediator of immune recognition. The MICA Antibody / Human Tissue-Enriched Detection Antibody is designed to detect this clinically relevant protein with strong performance in human tissue, supporting studies focused on human-specific biology and disease mechanisms.
MICA antibody, also referred to as MHC class I-related protein A antibody in the literature, recognizes a glycosylated cell surface protein that functions as a stress signal for immune activation. Western blot analysis demonstrates clear detection of MICA in human lung tissue lysate, while minimal or no detectable signal is observed in non-human species under comparable conditions. This pattern supports preferential detection in human tissue and provides a meaningful differentiation for applications centered on human samples, where consistent signal in human lysates is prioritized over cross-species compatibility.
Structurally, MICA contains extracellular alpha domains similar to classical MHC class I molecules, a transmembrane region, and a short cytoplasmic tail, but does not bind beta-2 microglobulin. The protein undergoes extensive glycosylation, resulting in an apparent molecular weight that is higher than predicted and often observed as a band in the 50â70 kDa range on SDS-PAGE. Variability in band intensity and migration reflects differences in glycosylation state and cellular context, which are particularly relevant in human tissue where MICA expression is tightly regulated by stress signaling pathways.
Functionally, MICA plays a central role in immune surveillance by activating NKG2D-expressing natural killer cells and cytotoxic T lymphocytes. Its expression is frequently altered in cancer, where tumor cells may shed soluble MICA or modulate surface expression to evade immune detection. Because these processes are highly relevant to human disease, reliable detection of MICA in human tissue is essential for studies of tumor immunology, immune evasion, and therapeutic targeting.
The preferential detection of MICA in human tissue lysates provides a focused advantage for research centered on human biology, including cancer progression, epithelial stress responses, and immune signaling. Clone MICA/4443 is designed to recognize epitopes that enable strong detection in human samples, supporting applications where human tissue analysis is the primary objective. This positioning distinguishes the antibody from cross-species reagents and makes it particularly well suited for studies that emphasize human-specific expression patterns and clinical relevance.
This antibody is part of a broader antibody panel offered by NSJ Bioreagents.
Optimal dilution of the MICA Antibody / Human Tissue-Enriched Detection Antibody should be determined by the researcher.
A portion of amino acids 1-200 was used as the immunogen for the MICA antibody.
Aliquot the MICA antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
MICA antibody, MHC class I-related protein A antibody, MICA human antibody, MICA WB antibody, MICA tissue detection antibody
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