- Created on the 17 March, 2017.
Chemokine, cc motif, ligand 22 (CCL22) which can also be known as macrophage-derived chemokine (MDC) and small inducible cytokine subfamily A, member 22 (SCY22), is not particularly related to other chemokines. CCL22 only displays approx. 37% amino acid similarity with the thymus- and activation-regulated chemokine (TARC). The CCL22 gene is one of many different Cys-Cys (CC) cytokine genes clustered that are located on the q arm of chromosome 16. These cytokines are a family of secreted proteins which are important for many different immuno-regulatory and inflammatory processes. They display chemotactic activity for dendritic cells, chronically activated T lymphocytes, monocytes and natural killer cells. There is also evidence of mild activity for primary activated T lymphocytes but it displays no chemoattractant activity for resting T lymphocytes, neutrophils and eosinophils.
MDC is however, highly expressed in monocyte-derived dendritic cells and macrophages but not in natural killer cells, monocytes and many cell lines of fibroblast, epithelial or endothelial origin. There was also high expression identified in normal thymus and less expression present in spleen and lung. This suggests that MDC is a unique member of the CC chemokine family that has a fundamental role in the function of monocytes, dendritic cells and natural killer cells. The CCL22 protein can elicits its effects on its target cells by interacting with cell surface chemokine receptors for example CCR4. The gene itself is located in the human chromosome 16 in a cluster along with other chemokines known as CCL17 and CX3CL1.
CCL22 ELISA kit is intended for detecting in vitro quantitative levels of CCL22 (MDC) in human plasma, serum and cell culture supernatant. This assay has a minimum detection limit of < 1.0 pg/ml.
The minimum detection sensitivity level of CCL22 (MDC) using this human CCL22 ELISA kit was approximately 1.0 pg/ml. The dynamic assay range for this kit is 31.2 – 2,000 pg/ml.
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- Full Name: CCL22 (MDC) ELISA Kit
- Reactivity: Human
- Sample Type: Serum , Plasma, Cell Culture Supernatant
- Sensitivity: < 1.0 pg/ml
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