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Key Specifications Table
| Species Reactivity | Key Applications | Host | Format | Antibody Type |
|---|---|---|---|---|
| Ca, H, M | FC | M | FITC | Monoclonal Antibody |
| Description | |
|---|---|
| Catalogue Number | MAB16985F |
| Brand Family | Chemicon® |
| Trade Name |
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| Description | Anti-MCAM Antibody, clone P1H12, FITC conjugated |
| Alternate Names |
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| Background Information | MUC18 antigen (CD146), a member of the immuoglobulin superfamily, is an intrinsic membrane glycoprotein of 110-120 kDa found on the surface of endothelial cells, bone marrow fibroblasts and various melanomas. MUC18 has been used as a marker of tumor progression in human melanoma because expression in those tumors correlates strongly with poor prognosis and the development of metastic disease. In addition, a number of human T, B and myeloid leukemic cell lines seem to express MUC18. The close structural relationship with N-CAM and related molecules suggests that MUC18 may be also a developmentally regulated cell adhesion molecule (Melanoma adhesion molecule or MCAM). |
| Product Information | |
|---|---|
| Format | FITC |
| Control |
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| Presentation | Purified immunoglobulin. Liquid in 0.02M PBS, 0.25M NaCl, pH=7.6, 15 mg/nL BSA containing 0.1% sodium azide as a preservative. |
| Quality Level | MQ100 |
| Applications | |
|---|---|
| Application | Detect MCAM using this Anti-MCAM Antibody, clone P1H12, FITC conjugated validated for use in FC. |
| Key Applications |
|
| Application Notes | Immunocytochemistry: 1-10 μg/mL. Works best on EDTA or Trypsin lifted endothelial cells. Immunohistochemistry: 1-10 μg/mL. 4% PFA for 30min RT or <2hrs @4°C. Block w/ 1%BSA/0.2%tween20/PBC for 30min. Works well in frozen tissue; fixed or unfixed. Facs Analysis: 1-10 μg/mL Optimal working dilutions and protocols must be determined by end user. |
| Biological Information | |
|---|---|
| Immunogen | Immunization of mice with HUVEC |
| Clone | P1H12 |
| Concentration | Please refer to the Certificate of Analysis for the lot-specific concentration. |
| Host | Mouse |
| Specificity | P1H12 reacts specifically with CD146 {MCAM, MUC18}. In blood and marrow P1H12 reacts only with endothelial cells, and has been used to detect circulating endothelial cells in human, dogs and mouse samples. It positively stains normal, primary HUVEC and MVEC cultures and the endothelial cells of all vessels in normal frozen sections of human skin, intestine, ovary tonsil, lymph node, lung, and kidney. It does not stain carcinoma cell lines HT-29 and COLO205, and M21, the T cell lines Jurkat and HuT78, fibroblasts, HL-60 or CHO cells, or EBV-transformed B cell lines, although it expected that CD146 expression is present in many tumor lines. P1H12 does not stain normal monocytes, granulocytes, red cells, platelets, T cells or B cells from marrow or peripheral blood; nor does it detect marrow megakaryocytes or the megakaryoblast line HU3. The peripheral blood cells that do stain with P1H12 also are positive for both von Willebrand Factor (vWF) and thrombomodulin (the combined expression of which is limited to endothelium), and they stain for flt and flk. In recent testing, melanoma A2058, SKMEL.3 and A375.S2 are positive, while murine melanoma M3 is negative. One smooth muscle line (HISM) was positive and one negative (TIGHA-VSMC). Human blood lymphoctes are negative with or without prior stimulation. |
| Isotype | IgG1 |
| Species Reactivity |
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| Species Reactivity Note | Detects circulating endothelial cells in human. Expected to cross-react with dog & mouse. |
| Antibody Type | Monoclonal Antibody |
| Entrez Gene Number |
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| Gene Symbol |
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| Non-Reactive Species |
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| Purification Method | Protein A Purfied |
| UniProt Number |
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| UniProt Summary | FUNCTION: SwissProt: P43121 # Plays a role in cell adhesion, and in cohesion of the endothelial monolayer at intercellular junctions in vascular tissue. Its expression may allow melanoma cells to interact with cellular elements of the vascular system, thereby enhancing hematogeneous tumor spread. Could be an adhesion molecule active in neural crest cells during embryonic development. Acts as surface receptor that triggers tyrosine phosphorylation of FYN and PTK2, and a transient increase in the intracellular calcium concentration. SIZE: 646 amino acids; 71607 Da SUBCELLULAR LOCATION: Membrane; Single-pass type I membrane protein. TISSUE SPECIFICITY: Detected in endothelial cells in vascular tissue throughout the body. May appear at the surface of neural crest cells during their embryonic migration. Appears to be limited to vascular smooth muscle in normal adult tissues. Associated with tumor progression and the development of metastasis in human malignant melanoma. Expressed most strongly on metastatic lesions and advanced primary tumors and is only rarely detected in benign melanocytic nevi and thin primary melanomas with a low probability of metastasis. SIMILARITY: SwissProt: P43121 ## Contains 3 Ig-like C2-type (immunoglobulin-like) domains. & Contains 2 Ig-like V-type (immunoglobulin-like) domains. |
| Product Usage Statements | |
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| Usage Statement |
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| Storage and Shipping Information | |
|---|---|
| Storage Conditions | Maintain for 1 year at 2–8°C from date of shipment. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. |
| Packaging Information | |
|---|---|
| Material Size | 100 µg |