>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Bioactivity
Theoretical MW
10.9 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using 725-CK/CF in the following applications:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse CCL27/CTACK Protein, CF
ALP
C-C motif chemokine 27
CCL27
chemokine (C-C motif) ligand 27
CTACK
CTACKSmall-inducible cytokine A27
CTAK
cutaneous T-cell attracting chemokine
Cutaneous T-cell-attracting chemokine
ESKINE
IL-11 Ralpha-locus chemokine
ILC
ILCCC chemokine ILC
PESKY
SCYA27IL-11 R-alpha-locus chemokine
skinkine
small inducible cytokine subfamily A (Cys-Cys), member 27
Background
CCL27, also known as CTACK (cutaneous T cell-attracting chemokine), ALP, ILC, and ESkine, is a member of the CC family of chemokines (1). Mature mouse CCL27 is a 95 amino acid (aa) protein that shares 57% aa and 87% aa sequence identity with human and rat CCL27, respectively (2). It shares 18%-31% aa sequence identity with other mouse CC chemokines. An alternately spliced form of mouse CCL27, known as PESKY, is localized to the nucleus and promotes cellular migration (3). CCL27 is constitutively expressed by keratinocytes and is upregulated by inflammatory stimuli and in wounded skin (4-7). CCL27 binds the chemokine receptor CCR10, glycosaminoglycans in the extracellular matrix, sulfated tyrosine residues on PSGL-1, and determinants on the surface of fibroblasts and endothelial cells (5, 7-9). CCL27 cooperates with CCL17/TARC in inducing the migration of cutaneous lymphocyte antigen (CLA) positive memory T cells to the skin during inflammation (4, 6, 10-12). Endothelial cell-bound CCL27 can mediate the adhesion of those cells to CLA+ T cells (6). CCL27 also induces the migration of keratinocyte precursors from bone marrow to the skin, thereby promoting wound healing (7). In humans, serum CCL27 levels are elevated and correlate with disease severity in atopic dermatitis, psoriasis vulgaris, and mycosis fungoides (13-15).
Kunkel, L. and E.C. Butcher (2002) Immunity 16:1.
Hromas, R. et al. (1999) Biochem. Biophys. Res. Commun. 258:737.
Gortz, A. et al. (2002) J. Immunol. 169:1387.
Morales, J. et al. (1999) Proc. Natl. Acad. Sci. 96:14470.
Homey, B. et al. (2000) J. Immunol. 164:3465.
Homey, B. et al. (2002) Nat. Med. 8:157.
Inokuma, D. et al. (2006) Stem Cells 24:2810.
Jarmin, D. et al. (2000) J. Immunol. 164:3460.
Hirata, T. et al. (2004) J. Biol. Chem. 279:51775.
Vestergaard, C. et al. (2004) Exp. Dermatol. 13:551.
Reiss, Y. et al. (2001) J. Exp. Med. 194:1541.
Soler, D. et al. (2003) Blood 101:1677.
Kakinuma, T. et al. (2003) J. Allergy Clin. Immunol. 111:592.
Hijnen, D. et al. (2004) J. Allergy Clin. Immunol. 113:334.
Fujita, Y. et al. (2006) Clin. Cancer Res. 12:2670.
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