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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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CD44 antigen (CD44) is a transmembrane glycoprotein of the CD44 family that functions as a receptor for hyaluronic acid and mediates cell adhesion, migration, and extracellular matrix interactions. It is broadly expressed on hematopoietic cells, including leukocyte populations, where it plays a central role in cell adhesion and interaction with the extracellular environment. CD44 Antibody for FACS HL60 / Leukocyte Marker Antibody is designed to detect CD44 expression in flow cytometry applications, enabling quantitative analysis of cell surface localization and identification of CD44-positive leukocyte populations.
CD44 antibody, also referred to as CD44 antigen antibody or Hermes antigen antibody, recognizes a cell surface glycoprotein involved in leukocyte adhesion, migration, and tissue homing. HL60 cells, a human promyelocytic leukemia cell line, are widely used as a model for hematopoietic differentiation and leukocyte biology. Detection of CD44 in HL60 cells provides a robust system for evaluating cell surface expression and receptor accessibility in flow cytometry-based assays, particularly in studies of differentiation and lineage-associated changes in surface marker expression.
Functionally, CD44 mediates binding to hyaluronic acid and other extracellular matrix components, supporting leukocyte adhesion, migration, and interaction with endothelial and stromal environments. These processes are critical for immune cell trafficking and localization within tissues. In flow cytometry applications, CD44 staining typically produces a clearly defined right-shifted fluorescence population compared to negative controls, indicating strong cell surface expression. This CD44 Antibody for FACS HL60 is particularly suited for identifying, gating, and quantifying CD44-expressing leukocyte populations and for analyzing expression changes associated with differentiation, activation, or experimental manipulation.
CD44 expression in HL60 cells provides a useful model for studying leukocyte surface marker dynamics within hematopoietic systems. Detection of CD44 in this context supports research into immune cell biology, differentiation pathways, and adhesion-related processes. The use of a rabbit polyclonal antibody enables sensitive detection of CD44 across heterogeneous leukocyte populations in flow cytometry assays.
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 leukocyte surface markers in flow cytometry and related research applications.
This CD44 antibody is part of a broader CD44 antibody panel offered by NSJ Bioreagents.
The stated application concentrations are suggested starting amounts. Titration of the CD44 Antibody for FACS HL60 / Leukocyte Marker Antibody may be required due to differences in protocols and secondary/substrate sensitivity.
An amino acid sequence from the C-terminus of human CD44 (DETRNLQNVDMKIGV) was used as the immunogen for this CD44 antibody.
After reconstitution, the CD44 antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
CD44 antibody, CD44 FACS antibody, CD44 leukocyte marker antibody, CD44 antigen antibody, Hermes antigen antibody
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