Exalpha Biologicals, Inc.

Accelerating the Pace of Discovery

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FIX&PERM Cell Fixation and Permeabilization Kit

Flow cytometric analyses with monoclonal antibodies were so far mainly restricted to cell surface molecules. Intracellular structures such as cytoplasmic or nuclear enzymes, oncoproteins, cytokines, immunoglobulins etc. were largely excluded from such studies. Also excluded from flow cytometric studies were cytoplasmic localizations of well-established membrane molecules like CD3 and CD22, which, in their cytoplasmic form, are the most reliable lineage markers in undifferentiated leukemia. With the FIX&PERM® Kit flow cytometric analysis of intracellular antigens has become as easy as surface antigen studies. The only prerequisite is the availability of suitable antibody conjugates. Most of the available monoclonal antibody conjugates can be used with the FIX&PERM® Kit, some determinants are sensitive, however, to the fixation step involved. This and the optimal fixation time have to be tested for each reagent.


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Exalpha Biologicals, Inc.


  • Product Code: 0544
  • Size: 100 Tests
  • Availability: In Stock In Stock
  • Price (USD): $191

Cat #

0544		 Quantity:      

Data Sheet

Product Name










Product Type

Single-Color Reagent




Flow Cytometry


Protein A/G Chromatography


100 Tests

Price (USD)



CD54, M.W. 90,000, antigen is the Intercellular Adhesion Molecule-1 (ICAM-1) and is the ligand for LFA-1 mediated adhesion. CD54 is weakly expressed on peripheral blood leukocytes. Upon activation the antigen is expressed strongly on B cells, T cells, macrophages and granulocytes. ICAM-1 is also inducible on endothelial cells, epithelial cells and fibroblasts.


CD54=Derived from the hybridization of mouse NS-1 myeloma cells with spleen cells from BALB/c mice immunized with the major histocompatibility complex (MHC) class II-negative human b-lymphoblastoid cell line 6.16c13


Provided as sterile filtered solution in phosphate buffered saline with 0.08% sodium azide and 0.2% carrier protein

Customer Storage

Product should be stored at 4-8°C. DO NOT FREEZE

Product Image

Image Legend

Peripheral blood lymphocytes stained with Exalpha?s CD54 PE Conjugated Antibody (Cat. No. 0544).

Database Links:



1. ICAM-1 a ligand for LFA-1 dependent adhesion of B,T and myeloid cells. Makgoba, M.W., Sanders, M.E., Ginther, Luce, G.E., Dustin, M.L., Springer,T.A., Clark, E.A., Mannoni, P., Shaw, S., Nature, 1988:331:86.

2. Supergene families meet in the immune system. Dustin, M.L., Staunton, D.E., and Springer, T.A., Immunol. Today. 1988:9:213.

3. Functional cloning of ICAM-2, a cell adhesion ligand for LFA-1 homologous to ICAM-1. Staunto, D.E., Dustin, M.L., and Springer, T.A., Nature. 1989:339:61.

4. Leukocytes adhesion to cells. Molecular basis, Physiological Relevance and Abnormalities. Patarroyo, M., and Makgoba, M.W., Scand. J. Immunol. 1989;30:129.

5. A soluble form of intercellular adhesion molecule-1 inhibits rhinovirus infection. Marlin SD, Staunton DE, Springer TA, Stratowa C, Sommergruber, W., and Merluzzi, V.J., Nature. 1990;44:70.

Product Specific References

This product has been used in:

1. Arpinati, M., et al, 'Use of anti-BDCA-2 antibody for detection of dendritic cells type-2 (DC2) in allogeneic hematopoietic stem cell transplantation' Bone Marrow Transplantation 2002, 29, , 887-891