WB, IF-IC, FC-FP
H
Endogenous
45-55
Rabbit IgG
#Q9NNX6
30835
Product Information
Product Usage Information
This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.
Formulation
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human DC-SIGN protein.
Background
DC-SIGN (CD209, CLEC4L) is a C-type lectin receptor expressed by dendritic cells (DCs) (1,2). The DC-SIGN transcript can undergo several splicing events to generate at least thirteen different transmembrane and soluble isoforms (3). DC-SIGN responds to a broad range of pathogens due to its ability to recognize both mannose and fructose carbohydrates, and is well studied for its role in HIV infection. Recognition of the HIV envelope glycoprotein gp120 by DC-SIGN leads to internalization of HIV by DCs and facilitates transmission of the virus to CD4+ T cells (2,4). DC-SIGN also mediates adhesion to T cells through interaction with ICAM-3, as well as transmigration across the endothelium by binding to ICAM-2 (1,5). The DC-SIGN receptor can modulate TLR signaling by activating the kinase Raf-1 (6,7). The closely related molecule DC-SIGNR (L-SIGN, CLEC4M) is 77% homologous to DC-SIGN and likely arose through a gene duplication event (8). Like DC-SIGN, DC-SIGNR binds mannose carbohydrates on the surface of pathogens (8,9). However, the expression patterns of the two receptors differ, as DC-SIGNR expression is restricted to endothelial cells of the liver, lymph node, and placenta (10). Murine cells contain a set of related molecules, SIGNR1-SIGNR8 (11). Based on sequence analysis, there is no clear murine ortholog to human DC-SIGN, however SIGNR3 is the most functionally similar due to its ability to recognize both mannose and fructose structures (11).
- Geijtenbeek, T.B. et al. (2000) Cell 100, 575-85.
- Geijtenbeek, T.B. et al. (2000) Cell 100, 587-97.
- Mummidi, S. et al. (2001) J Biol Chem 276, 33196-212.
- Kwon, D.S. et al. (2002) Immunity 16, 135-44.
- Geijtenbeek, T.B. et al. (2000) Nat Immunol 1, 353-7.
- Gringhuis, S.I. et al. (2007) Immunity 26, 605-16.
- Gringhuis, S.I. et al. (2010) Nat Immunol 11, 419-26.
- Bashirova, A.A. et al. (2001) J Exp Med 193, 671-8.
- Mitchell, D.A. et al. (2001) J Biol Chem 276, 28939-45.
- Pöhlmann, S. et al. (2001) Proc Natl Acad Sci U S A 98, 2670-5.
- Powlesland, A.S. et al. (2006) J Biol Chem 281, 20440-9.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Applications Key
WB: Western Blotting IF-IC: Immunofluorescence (Immunocytochemistry) FC-FP: Flow Cytometry (Fixed/Permeabilized)
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
限制使用
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