MAB16985B | Anti-MCAM Antibody, clone P1H12, biotin conjugated

100 µg  
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      Replacement Information

      Key Spec Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      Ca, H, MELISA, FC, IP, ICC, IHCMBiotinMonoclonal Antibody
      Catalogue NumberMAB16985B
      Brand Family Chemicon®
      Trade Name
      • Chemicon
      DescriptionAnti-MCAM Antibody, clone P1H12, biotin conjugated
      Alternate Names
      • MUC18
      • CD146
      Background InformationMUC18 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
      PresentationPurified immunoglobulin. Liquid in 0.02M PBS, 0.25M NaCl, pH=7.6, 15 mg/nL BSA containing 0.1% sodium azide as a preservative.
      ApplicationThis Anti-MCAM Antibody, clone P1H12, biotin conjugated is validated for use in ELISA, FC, IP, IC, IH for the detection of MCAM.
      Key Applications
      • ELISA
      • Flow Cytometry
      • Immunoprecipitation
      • Immunocytochemistry
      • Immunohistochemistry
      Application NotesImmunocytochemistry: 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.

      Immunoprecipitation: 1-10 μg/mL

      ELISA: 1-10 μg/mL

      Facs Analysis: 1-10 μg/mL

      Optimal working dilutions and protocols must be determined by end user.
      Biological Information
      ImmunogenImmunization of mice with HUVEC
      ConcentrationPlease refer to the Certificate of Analysis for the lot-specific concentration.
      SpecificityP1H12 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.
      Species Reactivity
      • Canine
      • Human
      • Mouse
      Species Reactivity NoteDetects circulating endothelial cells in human. Expected to cross-react with dog & mouse.
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Gene Symbol
      • MCAM
      • Gicerin
      • MUC18
      • CD146
      Non-Reactive Species
      • Rat
      UniProt Number
      UniProt SummaryFUNCTION: 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.
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStore at 2-8°C for up to 12 months.

      During shipment, small volumes of product will occasionally become entrapped in the seal of the product vial. For products with volumes of 200μL or less, we recommend gently tapping the vial on a hard surface or briefly centrifuging the vial in a tabletop centrifuge to dislodge any liquid in the container's cap.
      Packaging Information
      Material Size100 µg
      Transport Information
      Supplemental Information




      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number
      MOUSE ANTI-ENDOTHELIAL CELLS (CD146) -2621489 2621489
      MOUSE ANTI-ENDOTHELIAL CELLS (CD146) -2716229 2716229
      MOUSE ANTI-ENDOTHELIAL CELLS (CD146) -2768443 2768443


      Reference overviewPub Med ID
      Genes expressed in human tumor endothelium.
      St Croix, B, et al.
      Science, 289: 1197-202 (2000)  2000

      Show Abstract
      10947988 10947988

      Data Sheet


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      Alternative Format

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      Product Families


      Life Science Research > Antibodies and Assays > Primary Antibodies