Comparison of S100 protein and MIA protein as serum marker for malignant melanoma
Background: Detection of S100 beta in serum has been shown to be a significant prognostic marker for malignant melanoma in earlier studies. Melanoma inhibiting activity (MIA) has recently been detected as a new serum marker for malignant melanoma. Materials and methods: In the present study, serum l...
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| Hauptverfasser: | , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2000
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| In: |
Anticancer research
Year: 2000, Jahrgang: 20, Heft: 3B, Pages: 2203-2207 |
| ISSN: | 0250-7005 |
| Online-Zugang: |
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| Verfasserangaben: | D. Djukanovic, U. Hofmann, A. Sucker, W. Rittgen, D. Schadendorf |
MARC
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| 245 | 1 | 0 | |a Comparison of S100 protein and MIA protein as serum marker for malignant melanoma |c D. Djukanovic, U. Hofmann, A. Sucker, W. Rittgen, D. Schadendorf |
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| 520 | |a Background: Detection of S100 beta in serum has been shown to be a significant prognostic marker for malignant melanoma in earlier studies. Melanoma inhibiting activity (MIA) has recently been detected as a new serum marker for malignant melanoma. Materials and methods: In the present study, serum levels of S100 beta protein and MIA were measured over a time period of up to 18 months in 271 serum samples from 65 melanoma patients at different stages of disease, during chemotherapy and/or immunotherapy. In addition, 46 sera of control patients were analysed. The aim of this study was to compare both potential markers. S100 beta was measured using the immunoluminometric assay LIA-mat Sangtec (Byk Sangtec Diagnostica) with a cut-off level of 0.12 microgram/l. MIA was determined by the MIA ELISA kit (Roche) using a cut-off level of 6.5 ng/ml. Results: In 53 patients a direct correlation of S-100 values and clinical course could be observed (81.5%), whereas in 48 patients MIA-values and clinical course (73.8%) showed an association. S100 beta levels were incorrectly elevated in 5 out of 25 sera, "false positive" (20%)) and were in 8 out of 40 sera not elevated despite the detection of metastases "false negative" (20%)). Assessing the MIA levels, 2 out of 25 probes were false positive (8%) and 13 out of 40 probes false negative(32.5%). Conclusion: Our data strongly suggest that S100 and MIA represent serum tumor markers that are valuable both in therapy-monitoring and in detection of tumour progression. | ||
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