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Invitrogen
CD18 Polyclonal Antibody
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FIGURE: 1 / 7
CD18 Antibody (PA5-82368) in IHC (P)
Immunohistochemistry analysis of CD18 in human gastrointestinal, lymph node, skeletal muscle and tonsil. Samples were incubated with CD18 polyclonal antibody (Product # PA5-82368). Shows similar protein distribution across tissues to independent CD18 antibody (Product # PA5-82563) (B).
Product Details
PA5-82368
Applications
Tested Dilution
Publications
Product Specifications
Species Reactivity
Human
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
Recombinant protein corresponding to Human ITGB2. Recombinant protein control fragment (Product #RP-88640).
Conjugate
Form
Liquid
Concentration
0.1 mg/mL
Purification
Antigen affinity chromatography
Storage buffer
PBS, pH 7.2, with 40% glycerol
Contains
0.02% sodium azide
Storage conditions
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Product Specific Information
Immunogen sequence: CTKFKVSSCR ECIESGPGCT WCQKLNFTGP GDPDSIRCDT RPQLLMRGCA ADDIMDPTSL AETQEDHNGG QKQLSPQKVT LYLRPGQAAA FNVTFRRAKG YPIDLYYLMD LSYSML
Highest antigen sequence indentity to the following orthologs: Rat - 78%, Mouse - 83%.
Target Information
CD18, also known as the integrin beta 2 subunit, is a 90-95 kDa type I transmembrane protein expressed on all leukocytes. It heterodimerizes with the alpha chains of CD11a, CD11b, CD11c, and CD11d to form various leukocyte (beta2) integrins, which are crucial for cellular adhesion and signaling. The CD18/CD11a complex, known as lymphocyte function-associated antigen-1 (LFA-1), plays a significant role in cellular adhesion and inflammatory reactions. CD18 also forms heterodimers with CD11b (Mac-1, CR3), CD11c, and CD11d, contributing to the processes of cell adhesion and cell-surface mediated signaling. These integrins are essential for proper leukocyte migration and mediating intercellular contacts. The absence of CD18 leads to leukocyte adhesion deficiency type I (LAD1), a condition characterized by impaired leukocyte migration. Severe reduction in CD18 expression can result in the development of a psoriasiform skin disease. CD18 is also a target of Mannheimia (Pasteurella) haemolytica leukotoxin, which can mediate leukotoxin-induced cytolysis. Defects in the CD18 gene are the cause of LAD1, and two transcript variants encoding the CD18 protein have been identified. The integrin-mediated responses are often a composite of the functions of its individual subunits, highlighting the importance of CD18 in immune function and disease.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: CD18; cell surface adhesion glycoprotein (LFA-1/CR3/P150,959 beta subunit precursor); Cell surface adhesion glycoproteins LFA-1/CR3/p150,95 subunit beta; complement component 3 receptor 3 and 4 subunit; complement receptor C3 beta-subunit; Complement receptor C3 subunit beta; integrin beta chain, beta 2; Integrin beta-2; integrin, beta 2 (complement component 3 receptor 3 and 4 subunit); leukocyte cell adhesion molecule CD18; leukocyte-associated antigens CD18/11A, CD18/11B, CD18/11C
Gene Aliases: CD18; ITGB2; LAD; LCAMB; LFA-1; MAC-1; MF17; MFI7
UniProt ID: (Human) P05107
Entrez Gene ID: (Human) 3689
leukocyte migration involved in inflammatory response
phagocytosis
apoptotic process
inflammatory response
cell adhesion
leukocyte cell-cell adhesion
cell-matrix adhesion
integrin-mediated signaling pathway
cell-cell signaling
aging
regulation of cell shape
natural killer cell activation
extracellular matrix organization
neutrophil chemotaxis
receptor internalization
heterotypic cell-cell adhesion
toll-like receptor 4 signaling pathway
endodermal cell differentiation
receptor clustering
endothelial cell migration
cellular extravasation
positive regulation of nitric oxide biosynthetic process
positive regulation of angiogenesis
regulation of peptidyl-tyrosine phosphorylation
regulation of immune response
leukocyte migration
positive regulation of NF-kappaB transcription factor activity
cellular response to low-density lipoprotein particle stimulus
Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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