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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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CD44 antigen (CD44), also known as homing cell adhesion molecule (HCAM), is a transmembrane glycoprotein that functions as a receptor for hyaluronic acid and mediates cell adhesion, migration, and extracellular matrix interactions. It is widely expressed on immune cells, including T lymphocytes, B lymphocytes, monocytes, and other leukocyte populations, where it plays a central role in cell trafficking, adhesion, and interaction with the extracellular environment. CD44 Antibody Clone Hermes-3 / Leukocyte Marker Antibody is designed to detect CD44 expression in formalin-fixed, paraffin-embedded tissues and other research samples, enabling immunohistochemistry-based evaluation of immune cell distribution, cell surface localization, and lymphoid tissue organization.
CD44 antibody, also referred to as HCAM antibody or Hermes antigen antibody, recognizes a cell surface glycoprotein involved in leukocyte adhesion and migration. Clone Hermes-3 is a mouse monoclonal antibody that has been historically associated with studies of immune cell biology, particularly in the context of lymphocyte activation, trafficking, and homing. Its established use in these areas supports its role as a well-characterized reagent for detecting CD44 expression in immune cell populations and for examining lymphoid tissue architecture.
Functionally, CD44 mediates binding to hyaluronic acid and other extracellular matrix components, facilitating leukocyte adhesion to endothelial surfaces, migration through tissues, and localization within sites of immune activity. These interactions are critical for immune surveillance and coordinated movement of immune cells between circulation and tissues. In immunohistochemistry applications, staining typically presents as strong membranous HRP-DAB signal on lymphoid cells, outlining individual cell borders and highlighting dense immune cell populations within tissue. This CD44 Antibody Clone Hermes-3 is particularly suited for examining immune cell distribution, lymphoid tissue organization, and cell surface interactions within immune microenvironments.
CD44 expression is prominently observed in lymphoid tissues such as tonsil, lymph node, and spleen, where it marks dense populations of leukocytes and supports evaluation of tissue architecture and immune cell localization. Staining patterns often reflect compartmental organization within lymphoid structures, including regions enriched for lymphocytes and antigen-presenting cells. Detection of CD44 in these contexts provides insight into immune cell positioning, activation states, and interaction with surrounding stromal components. The historical use of clone Hermes-3 in immune-focused studies further supports its application in research involving leukocyte biology and lymphoid tissue analysis.
Structurally, CD44 is encoded on chromosome 11p13 and consists of an extracellular ligand-binding domain, a transmembrane segment, and a cytoplasmic tail involved in intracellular signaling and cytoskeletal interactions. Alternative splicing generates multiple CD44 isoforms that retain core functional properties while contributing to biological diversity. An antibody targeting CD44 is suitable for detecting membrane-associated expression and studying immune cell adhesion, trafficking, and tissue organization in a wide range of research applications.
This CD44 antibody is part of a broader CD44 antibody panel offered by NSJ Bioreagents.
Titration of the CD44 Antibody Clone Hermes-3 / Leukocyte Marker Antibody may be required due to differences in protocols and secondary/substrate sensitivity.
This CD44 antibody was produced from a mouse immunized with recombinant protein.
Aliquot the CD44 antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
HCAM antibody, CD44 antibody, Hermes-3 antibody, CD44 leukocyte marker antibody, CD44 antigen antibody
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