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HMB45 + MART-1 + Tyrosinase - Predilute - 6.0 ml


Pack Size: 1

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Product Description

The HMB45 clone reacts with a neuraminidase-sensitive oligosaccharide side chain of a glycoconjugate present in immature melanosomes. Studies have shown the HMB45-reactive antigen is present in cutaneous melanocytes, prenatal and infantile retinal pigment epithelium and melanoma cells. It is also thought to be oncofoetal in nature (1). This antibody has been shown to label the majority of melanomas. The MART-1/Melan A recognizes a protein of 18kDa, identified as MART-1 (Melanoma Antigen Recognized by T cells 1) or Melan-A (1). Melan-A is a useful addition to melanoma panels which is specific to melanocytic lesions. Studies have also shown that MART-1 is more sensitive than HMB45 when labelling metastatic melanomas. Tyrosinase is a key enzyme involved in the initial stages of melanin biosynthesis. Studies have shown Tyrosinase to be a more sensitive marker when compared to HMB45 and MART-1. It has also been shown to label a higher percentage of desmoplastic melanomas than HMB45. The combination of HMB45, MART-1 cocktail and Tyrosinase make this quadruple antibody cocktail a first-order pan melanoma screener, and may prove to be a valuable marker for melanoma metastasis in sentinel lymph nodes (1,2).


• Intended Use: IVD
• Source: Mouse Monoclonal
• Clone: HMB45, M2-7C10 + M2 – 9E3, T311
• Isotype: IgG1/Kappa, IgG2b + IgG2b, IgG2a
• Antigen: HMB45, MART-1, Tyrosinase
• Localization: Cytoplasmic

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