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Utikal J, Schadendorf D, Ugurel S. Serologic and immunohistochemical prognostic biomarkers of cutaneous malignancies. Arch Dermatol Res 2007; 298:469-77. [PMID: 17221215 PMCID: PMC1800369 DOI: 10.1007/s00403-006-0726-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2006] [Revised: 12/06/2006] [Accepted: 12/06/2006] [Indexed: 01/11/2023]
Abstract
Biomarkers are important tools in clinical diagnosis and prognostic classification of various cutaneous malignancies. Besides clinical and histopathological aspects (e.g. anatomic site and type of the primary tumour, tumour size and invasion depth, ulceration, vascular invasion), an increasing variety of molecular markers have been identified, providing the possibility of a more detailed diagnostic and prognostic subgrouping of tumour entities, up to even changing existing classification systems. Recently published gene expression or proteomic profiling data relate to new marker molecules involved in skin cancer pathogenesis, which may, after validation by suitable studies, represent future prognostic or predictive biomarkers in cutaneous malignancies. We, here, give an overview on currently known serologic and newer immunohistochemical biomarker molecules in the most common cutaneous malignancies, malignant melanoma, squamous cell carcinoma and cutaneous lymphoma, particularly emphasizing their prognostic and predictive significance.
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MESH Headings
- Biomarkers, Tumor/blood
- Carcinoma, Squamous Cell/blood
- Carcinoma, Squamous Cell/diagnosis
- Carcinoma, Squamous Cell/pathology
- Humans
- Lymphoma, T-Cell, Cutaneous/blood
- Lymphoma, T-Cell, Cutaneous/diagnosis
- Lymphoma, T-Cell, Cutaneous/pathology
- Melanoma/blood
- Melanoma/diagnosis
- Predictive Value of Tests
- Prognosis
- Skin Neoplasms/blood
- Skin Neoplasms/diagnosis
- Skin Neoplasms/pathology
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Affiliation(s)
- Jochen Utikal
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl-University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68135 Mannheim, Germany
| | - Dirk Schadendorf
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl-University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68135 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center, Heidelberg, Germany
| | - Selma Ugurel
- Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Ruprecht-Karl-University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68135 Mannheim, Germany
- Skin Cancer Unit, German Cancer Research Center, Heidelberg, Germany
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Abstract
Of all skin cancers, cutaneous malignant melanoma (CMM) is the most aggressive and the life expectancy of patients with lymphatic or systemic metastases is dramatically reduced. Understandably therefore, scientists and clinicians have focused on improving diagnostic and prognostic techniques. Of these, perhaps the most promising are multimarker real-time RT-PCR and microarray for detection of circulating CMM cells in peripheral blood. While the optimal set of markers is still to be identified that can accurately assess disease severity and progression at all clinical stages of the disease, recent progress has been dramatic. Here we provide an exhaustive review of recent studies in which a variety of markers are assessed. Moreover, the efficacy of the markers relative to clinical stage is discussed in light of experimental findings. From these studies, it is apparent that researchers are now much closer to defining a set of markers of circulating cells that can be utilized in routine diagnostic tests.
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Affiliation(s)
- Sandra Medic
- School of Exercise, Biomedical and Health Sciences, Edith Cowan University, WA, Australia
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103
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Loppin M, Quillien V, Adamski H, Ollivier I, Garlantézec R, Chevrant-Breton J. Protéine S100 Béta et Melanoma Inhibitory Activity (MIA) sériques : étude prospective de leur valeur pour la détection précoce de métastases dans le mélanome. Ann Dermatol Venereol 2007; 134:535-40. [PMID: 17657179 DOI: 10.1016/s0151-9638(07)89264-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
BACKGROUND We examined whether serum values for proteins S100B and MIA could allow early and reliable screening of metastatic growth in melanoma. PATIENTS AND METHODS We carried out a prospective study from 1998 to 2005 in patients presenting non-metastatic melanomas with a Breslow score>0.75 mm. Four PS00B and MIA measurements per patient were performed at regular intervals over 1 to 2 years. Blood samples were analysed for PS100B and MIA using an ELISA technique. RESULTS Fifty patients were analysed. The maximum interval between collection of samples was 8 months. Metastatic development was noted in 15 patients. Where melanoma progressed to stage III, sensitivity was 33% for PS100B and 25% for MIA. Where it progressed to stage IV, sensitivity was 50% for PS100B and 30% for MIA. A rise in these values preceded discovery of metastasis in 3 cases for PS100B and of MIA in 1 case. Specificity of the assays was 100% for PS100B and 91% for MIA. DISCUSSION Sensitivity and specificity were better for PS100B than for MIA regarding detection of metastasis during follow-up of thick melanomas. The ELISA technique used in our study seemed to increase the specificity of the assay but not its sensitivity compared to other techniques used previously. We may thus confirm the benefits of PS100B assay for early detection of metastasis in melanomas. However, this laboratory surveillance method is not an acceptable substitute for regular clinical follow-up due to its low sensitivity.
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Affiliation(s)
- M Loppin
- Service de Dermatologie, CHU Pontchaillou, Rennes.
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104
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Garnier JP, Letellier S, Cassinat B, Lebbé C, Kerob D, Baccard M, Morel P, Basset-Seguin N, Dubertret L, Bousquet B, Stoitchkov K, Le Bricon T. Clinical value of combined determination of plasma L-DOPA/tyrosine ratio, S100B, MIA and LDH in melanoma. Eur J Cancer 2007; 43:816-21. [PMID: 17276671 DOI: 10.1016/j.ejca.2006.11.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2006] [Accepted: 11/17/2006] [Indexed: 01/19/2023]
Abstract
AIM OF THE STUDY L-DOPA/tyrosine ratio (an index of tyrosinase activity), melanoma antigens S100B and MIA, lactate deshydrogenase (LDH) and their combinations were evaluated for clinical value as tumour markers in melanoma. METHODS Blood samples were obtained in 170 melanoma patients (stage I-II: n=57, III: n=54, IV: n=59) at inclusion and in a sub-group of 82 subjects during follow-up for up to 4 years. Laboratory analyses were performed by HPLC (L-DOPA, L-tyrosine), immunoassays (S100B, MIA) and colourimetry (LDH). RESULTS All markers, except LDH, were elevated in stage IV versus other stages. S100B and MIA highly correlated, especially in stage IV (r(s): 0.849, p<0.001). The combination of L-DOPA/tyrosine ratio with S100B displayed the highest sensitivity/specificity (73/70%) to confirm stage III-IV or stage IV alone (69/75%) (ROC optimised cut-off). Only the L-DOPA/tyrosine ratio significantly increased (+36% over 5 months, p=0.001) during progression from stage I-III to higher stages. S100B, MIA and LDH, but not the L-DOPA/tyrosine ratio, responded to progression towards death in stage IV. All markers exhibited a prognostic value in deceased patients (n=44); S100B and MIA were the best predictors of survival time by Cox proportional-hazards regression. CONCLUSION The combination of plasma L-DOPA/tyrosine ratio and S100B appears an attractive approach for the biological follow-up of melanoma patients.
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Affiliation(s)
- Jean-Pierre Garnier
- Faculté des Sciences Pharmaceutiques et Biologiques, Université Paris V, France
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105
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106
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Carlson JA, Ross JS, Slominski A, Linette G, Mysliborski J, Hill J, Mihm M. Molecular diagnostics in melanoma. J Am Acad Dermatol 2006; 52:743-75; quiz 775-8. [PMID: 15858465 DOI: 10.1016/j.jaad.2004.08.034] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Molecular pathology is rapidly evolving, featuring continuous technologic improvements that offer novel clinical opportunities for the recognition of disease predisposition, for identifying sub-clinical disease, for more accurate diagnosis, for selecting efficacious and non-toxic therapy, and for monitoring of disease outcome. Currently, the identification and prognosis of primary cutaneous melanoma is based on histologic factors (tumor depth and ulceration) and clinical factors (number of lymph node and/or distant metastases). However, metastasis can occur in patients with thin melanomas, and sentinel lymph node biopsy does not identify all patients at risk for distant metastasis. New markers exist that correlate with melanoma progression, which may aid in melanoma identification, prognostication, and detection of minimal residual disease/early recurrence. Moreover, not many therapeutic options exist for melanoma as no regimen prolongs survival. Emerging data with investigational therapies suggest that certain markers might play a crucial role in identifying patients who will respond to therapy or show utility in the monitoring the response to therapy. Herein, molecular diagnostics that can potentially benefit the individual melanoma patient will be discussed.
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Affiliation(s)
- J Andrew Carlson
- Division of Dermatopathology, Albany Medical College, Albany, New York 12208, USA.
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107
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Abstract
Numerous laboratory tests and imaging methods are available that can be used in patients who are diagnosed with cutaneous melanoma. The downside risks related to testing are cost and patient anxiety. Therefore, it must be critically considered which examinations are useful and feasible. After a diagnosis of primary cutaneous melanoma, many physicians in Germany perform lymph node ultrasound to detect occult regional metastasis. Whole-body imaging techniques, except the physical examination, are unlikely to detect distant occult metastasis. In tumors that have an intermediate or high risk of recurrence (> 1 mm tumor thickness), baseline whole-body imaging may serve as a reference for ongoing evaluation. During follow-up care, physical examination alone is appropriate when there is a low risk for recurrence (up to 1-mm tumor thickness). In patients whose tumors are > 1 mm thickness, regular lymph node ultrasound examinations and determination of serum tumor marker S-100beta protein are commonly used by physicians in Germany. Whole-body imaging techniques are useful in patients who have locoregional and/or distant metastasis. For consideration of surgical resections in stage IV disease, more advanced examinations techniques such as positron emission tomography-computed tomography or whole body magnetic resonance imaging may be used. Early detection of limited disease using these methods may be helpful for patients who have locoregional metastases and for 10-20% of patients who have distant metastases and whose limited disease may be amenable to surgical resection.
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Affiliation(s)
- Claus Garbe
- Division of Dermato-Oncology, Department of Dermatology, University of Tübingen, Germany.
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108
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Schmidt H, Johansen JS, Sjoegren P, Christensen IJ, Sorensen BS, Fode K, Larsen J, von der Maase H. Serum YKL-40 Predicts Relapse-Free and Overall Survival in Patients With American Joint Committee on Cancer Stage I and II Melanoma. J Clin Oncol 2006; 24:798-804. [PMID: 16391295 DOI: 10.1200/jco.2005.03.7960] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PurposeTo evaluate the novel tumor biomarker YKL-40 in serial serum samples from patients with American Joint Committee on Cancer (AJCC) stage I and II melanoma from the time of diagnosis and during routine follow-up. Macrophages, neutrophils, and cancer cells secrete YKL-40, and a high serum level has been associated with poor prognosis in patients with several cancer types.Patients and MethodsSerum samples from 234 patients with stage I (n = 162) and II (n = 72) melanoma were analyzed for YKL-40 by enzyme-linked immunosorbent assay. Serial samples were obtained before definitive primary surgery and during follow-up.ResultsAfter a median follow-up period of 66 months (range, 1 to 97 months), 41 relapses (18%) and 39 deaths (17%) were observed. Serum YKL-40 treated as an updated continuous covariate were analyzed together with the covariates sex, age, primary tumor site, ulceration, thickness, Clark level and histologic subtype in a Cox proportional hazard model. Serum YKL-40 was an independent prognostic factor of relapse-free survival (hazard ratio [HR], 1.6; 95% CI, 1.1 to 2.5; P = .03) and overall survival (HR, 1.8; 95% CI, 1.2 to 2.6; P = .002) together with thickness and ulceration. The serum level of YKL-40 (dichotomized as normal or elevated) at the time of diagnosis was also an independent prognostic factor for overall survival (HR, 3.6, 95% CI, 1.7 to 7.7; P = .001).ConclusionSerum YKL-40 may be an early biomarker of relapse and survival in patients with AJCC stage I and II melanoma. Serum YKL-40 may also be useful for patient stratification and follow-up in clinical trials. Our results need confirmation in an independent study.
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Affiliation(s)
- Henrik Schmidt
- Department of Oncology, Aarhus University Hospital, Norrebrogade 44, 8000 Aarhus C, Denmark.
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109
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Ugurel S, Bell N, Sucker A, Zimpfer A, Rittgen W, Schadendorf D. Tumor type M2 pyruvate kinase (TuM2-PK) as a novel plasma tumor marker in melanoma. Int J Cancer 2006; 117:825-30. [PMID: 15957165 DOI: 10.1002/ijc.21073] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Proliferating cells express the pyruvate kinase isoenzyme type M2 (M2-PK). This enzyme exists as an active tetramer and an inactive dimer. The dimeric form is predominantly found in tumor cells and is therefore termed Tumor M2-PK (TuM2-PK). TuM2-PK molecules are released into the peripheral blood and may hereby function as a marker of tumor load in cancer patients. Our study was aimed to investigate TuM2-PK as a potential plasma marker in melanoma patients compared to the well-established serum marker S100beta. We measured the concentration of TuM2-PK in plasma and S100beta in corresponding serum samples from 300 melanoma patients and 53 healthy controls using a sandwich ELISA and an immunoluminometric assay, respectively. Plasma concentrations of TuM2-PK were significantly increased in melanoma patients compared to healthy controls (9.30 U/ml vs. 7.20 U/ml; p = 0.0036) and correlated with tumor load (p < 0.0005) and disease stage (p < 0.0005). Patients with elevated plasma TuM2-PK (cut-off = 15 U/ml) presented a reduced overall (p < 0.000005) and progression-free (p = 0.023) survival. Multivariate analysis revealed plasma TuM2-PK and serum S100beta as independent predictors of overall survival in metastasized patients. Neither plasma TuM2-PK nor serum S100beta showed prognostic relevance for tumor-free patients. Although the sensitivity and specificity to predict disease progression or death was higher for serum S100beta compared to plasma TuM2-PK, the combination of both markers improved the estimation of prognosis compared to that of serum S100beta alone.
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Affiliation(s)
- Selma Ugurel
- Skin Cancer Unit, German Cancer Research Center Heidelberg/Department of Dermatology, University Hospital Mannheim, Germany.
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110
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Vergilis IJ, Szarek M, Ferrone S, Reynolds SR. Presence and prognostic significance of melanoma-associated antigens CYT-MAA and HMW-MAA in serum of patients with melanoma. J Invest Dermatol 2005; 125:526-31. [PMID: 16117794 DOI: 10.1111/j.0022-202x.2005.23798.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
With the goal of finding serological markers to monitor patients with early- as well as late-stage melanoma, we compared the levels of the cytoplasmic melanoma-associated antigens (CYT-MAA) and high-molecular-weight melanoma-associated antigen (HMW-MAA) in the sera of melanoma patients and controls. Using double-sandwich ELISA, we measured levels of both antigens in 117 patients and in 62 age- and sex-matched controls. Patients were stratified into four risk group based on stage of the disease. Serum levels of both markers were significantly higher in melanoma patients than in controls. CYT-MAA was the more sensitive marker, with 61% of patients showing elevated levels regardless of the stage of disease. HMW-MAA was elevated in 29%. Elevated CYT-MAA was also significantly correlated with poorer clinical outcome. By multivariate analysis (adjusting for stage and age), patients who had elevated CYT-MAA were 81% more likely to recur than patients with undetectable levels (hazard ratio=1.81, 95% CI=[1.07, 3.06], p-value=0.03). Elevated levels of HMW-MAA did not correlate with poor prognosis. These results suggest that both CYT-MAA and HMW-MAA are serum markers for residual melanoma in patients with resected disease. Furthermore, CYT-MAA appears to be a prognostic marker of clinical outcome in melanoma vaccine-treated patients.
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Affiliation(s)
- Irene J Vergilis
- Dermatology, New York University School of Medicine, New York, NY 10016, USA
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111
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Kounalakis N, Goydos JS. Tumor cell and circulating markers in melanoma: Diagnosis, prognosis, and management. Curr Oncol Rep 2005; 7:377-82. [PMID: 16091200 DOI: 10.1007/s11912-005-0065-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The search is on for biomarkers for use in the diagnosis, staging, prognosis, and management of patients with melanoma. As with many types of cancer, the hematogenous spread of melanoma is a bad prognostic sign, and many groups have attempted to detect circulating melanoma cells in patients with different stages of melanoma. Some studies have used direct extraction of intact tumor cells from the peripheral blood and others the detection of surrogate markers of circulating melanoma cells, such as tyrosinase or MART-1. However, a correlation between the detection of intact melanoma cells in the circulation and prognosis is controversial. Many other biomarkers have also been studied, including lactate dehydrogenase, S100, TA90, and C-reactive protein. Much progress has been made, and preliminary studies have shown promise with many of these markers. Finally, the detection of tumor-specific circulating DNA has shown promise as a prognostic and diagnostic marker of disease in melanoma as well. In this review we examine the most promising biomarkers for use in patients with cutaneous melanoma.
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112
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Affiliation(s)
- Thomas A Aloia
- University of Texas M. D. Anderson Cancer Center Houston, Texas, USA
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113
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Zeh HJ, Lotze MT. Addicted to death: invasive cancer and the immune response to unscheduled cell death. J Immunother 2005; 28:1-9. [PMID: 15614039 DOI: 10.1097/00002371-200501000-00001] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The development of an invasive cancer involves a progressive switch from predominantly apoptotic (scheduled) to necrotic (unscheduled) tumor cell death. This switch is associated with chronic and increasing release of intracellular factors that in turn promote reactive angiogenesis and stromal proliferation and mediates the disordered tumor microenvironment associated with local immune suppression. The authors review the relevant immunobiology of these factors, including the nuclear protein HMGB1; the products of purine metabolism (uric acid, ATP, and adenosine); the S100 family members; and the heat shock proteins, which we believe drive futile cycles of cell death followed by reparative cell growth. The authors also present a novel and provocative hypothesis that suggests that most of the derangements that we associate with progression of cancer and the associated immunologic consequences can indeed be ascribed to the consequences of disordered tumor cell death rather than cell growth. Thus the fundamental defect in invasive human cancers, in the authors' view, is not one of cell growth but rather one of disordered cell death, resulting in turn in a tumor microenvironment that encourages tumor growth, progression, and local immunosuppression, a condition the authors have termed "addicted to death." This new understanding could inform and drive the development of more effective biologic therapies for patients with cancer.
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Affiliation(s)
- Herbert J Zeh
- University of Pittsburgh School of Medicine Institute, Room 411, 300 Technology Drive, Pittsburgh, PA 15219, USA
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114
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Mian S, Ugurel S, Parkinson E, Schlenzka I, Dryden I, Lancashire L, Ball G, Creaser C, Rees R, Schadendorf D. Serum Proteomic Fingerprinting Discriminates Between Clinical Stages and Predicts Disease Progression in Melanoma Patients. J Clin Oncol 2005; 23:5088-93. [PMID: 16051955 DOI: 10.1200/jco.2005.03.164] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PurposeCurrently known serum biomarkers do not predict clinical outcome in melanoma. S100-β is widely established as a reliable prognostic indicator in patients with advanced metastatic disease but is of limited predictive value in tumor-free patients. This study was aimed to determine whether molecular profiling of the serum proteome could discriminate between early- and late-stage melanoma and predict disease progression.Patients and MethodsTwo hundred five serum samples from 101 early-stage (American Joint Committee on Cancer [AJCC] stage I) and 104 advanced stage (AJCC stage IV) melanoma patients were analyzed by matrix-assisted laser desorption/ionisation (MALDI) time-of-flight (ToF; MALDI-ToF) mass spectrometry utilizing protein chip technology and artificial neural networks (ANN). Serum samples from 55 additional patients after complete dissection of regional lymph node metastases (AJCC stage III), with 28 of 55 patients relapsing within the first year of follow-up, were analyzed in an attempt to predict disease recurrence. Serum S100-β was measured using a sandwich immunoluminometric assay.ResultsAnalysis of 205 stage I/IV serum samples, utilizing a training set of 94 of 205 and a test set of 15 of 205 samples for 32 different ANN models, revealed correct stage assignment in 84 (88%) of 96 of a blind set of 96 of 205 serum samples. Forty-four (80%) of 55 stage III serum samples could be correctly assigned as progressors or nonprogressors using random sample cross-validation statistical methodologies. Twenty-three (82%) of 28 stage III progressors were correctly identified by MALDI-ToF combined with ANN, whereas only six (21%) of 28 could be detected by S100-β.ConclusionValidation of these findings may enable proteomic profiling to become a valuable tool for identifying high-risk melanoma patients eligible for adjuvant therapeutic interventions.
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Affiliation(s)
- Shahid Mian
- Interdisciplinary Biomedical Research Centre, School of Science, Nottingham Trent University, Clifton, Nottingham NG11 8NS, UK
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115
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Abstract
Recent studies have shown that the protein MIA (melanoma inhibitory activity) is a potent serum marker for malignant melanoma. MIA is expressed in chondrocytes at high levels, and might potentially be elevated during periods of growth in childhood. Therefore, we evaluated MIA serum levels in pregnant women and in growing children. We found that no significant enhancement of MIA serum levels was apparent until 38 weeks of pregnancy. Starting at 38 weeks, a significant increase was noted. The study further revealed that children and teenagers also have increased MIA serum levels. However, from the age of 17 years MIA serum levels are not different from those in healthy adults. In summary, MIA can be used as a serum marker for melanoma in adults starting at the age of 17 years. In pregnant women (> 38th week), children, and teenagers MIA should not be used in serum diagnostics for malignant melanoma until larger studies have been performed to generate cut-off levels for each group.
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Affiliation(s)
- A K Bosserhoff
- Institute of Pathology, University of Regensburg, Germany
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116
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Abstract
Episodic exposure of fair-skinned individuals to intense sunlight is thought to be responsible for the steadily increasing melanoma incidence worldwide over recent decades. Rarely, melanoma susceptibility is increased more than tenfold by heritable mutations in the cell cycle regulatory genes CDKN2A and CDK4. Effective treatment requires early diagnosis followed by surgical excision with adequately wide margins. Sentinel lymph node biopsy provides accurate staging, but no published results are yet available from clinical trials designed to assess the therapeutic efficacy of early complete regional node dissection in those with metastatic disease in a sentinel node. Magnetic resonance spectroscopy is one technique under investigation for non-invasive, in-situ assessment of sentinel nodes. Localised metastatic disease is best treated surgically. No postoperative adjuvant therapy is of proven value for improving overall survival, although numerous clinical trials of vaccines and cytokines are in progress. Medical therapies have contributed little to the control of established metastatic disease, but molecular pathways recently identified as being central to melanoma growth and apoptosis are under intense investigation for their potential as therapeutic targets.
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Affiliation(s)
- John F Thompson
- Sydney Melanoma Unit, University of Sydney at Royal Prince Alfred Hospital, Sydney, Camperdown, New South Wales, Australia.
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117
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Abstract
Tumor markers in the serum of cancer patients have an important role in clinical diagnosis and in prognosis, and also in the monitoring of the patients' disease and response to therapy over time. The serum markers currently available for melanoma have only limited clinical use. Those most widely used in clinical applications are S100-beta, melanoma inhibitory activity, and lactate dehydrogenase; there are close correlations between the serum concentrations of these and tumor load. Regular determination of S100-beta and MIA levels during follow-up can therefore be used for early detection of a tumor relapse in melanoma patients, increased serum concentrations of these marker proteins being indicative of tumor growth. Patients with distant metastases from melanoma who present with elevated serum levels of S100-beta, MIA, or LDH have poorer overall survival than do patients whose serum concentrations are within normal ranges. These three markers can also be used to monitor the course of disease and therapy outcome in patients with distant metastases. Since there are no marker proteins for melanoma that are not dependent on tumor load, it is not currently possible to forecast the survival of patients who are tumor free after surgery. Serum markers are also not suitable for screening or for the diagnosis of primary melanomas.
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Affiliation(s)
- S Ugurel
- Klinische Kooperationseinheit Dermato-Onkologie, Deutsches Krebsforschungszentrum Heidelberg/Universitätshautklinik Mannheim.
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118
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Smit LHM, Korse CM, Hart AAM, Bonfrer JMG, Haanen JBAG, Kerst JM, Nieweg OE, de Gast GC. Normal values of serum S-100B predict prolonged survival for stage IV melanoma patients. Eur J Cancer 2005; 41:386-92. [PMID: 15691637 DOI: 10.1016/j.ejca.2004.10.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2004] [Revised: 10/18/2004] [Accepted: 10/19/2004] [Indexed: 10/26/2022]
Abstract
The value of normal S-100B levels to predict survival was evaluated in 145 patients with stage IV melanoma. Treatment consisted of temozolomide given alone or was followed by combined cytokine immunotherapy, given every three to four weeks, with an evaluation of response following two treatment-cycles. S-100B values were measured prior to and following each cycle of systemic therapy and regularly thereafter. Patients with normal initial S-100B values (n=32) had higher response rates and fewer and more favourable metastatic sites with better overall survival rates than patients with elevated S-100B levels (median 14.0 versus 6.6 months). Normal S-100B values increased in nearly all patients (28/31) after a median of 7.9 months. In addition, patients with rapid normalisation of their serum level (n=12) following systemic treatment experienced prolonged survival. However, upon multivariable analysis S-100B prior to treatment lost its independence as a prognostic factor, whereas lactate dehydrogenase (LDH) remained. When measured after treatment, both markers had independent value.
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Affiliation(s)
- Léonie H M Smit
- Department of Medical Oncology, The Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, The Netherlands.
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119
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Schoensiegel F, Paschen A, Sieger S, Eskerski H, Mier W, Rothfels H, Kleinschmidt J, Schadendorf D, Haberkorn U. MIA (melanoma inhibitory activity) promoter mediated tissue-specific suicide gene therapy of malignant melanoma. Cancer Gene Ther 2004; 11:408-18. [PMID: 15118759 DOI: 10.1038/sj.cgt.7700721] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Suicide gene therapy of malignant melanoma essentially requires efficient gene transfer and highly selective therapeutic gene expression. To achieve this, recombinant adeno-associated virus (rAAV) particles were constructed containing the tissue-specific promoter of the human melanoma inhibitory activity (hMIA) gene combined with four copies of the enhancer element of the murine tyrosinase gene. Three melanoma and one cervix carcinoma cell line were infected with rAAV particles carrying a reporter gene under control of the enhancer/hMIA promoter in order to determine transcriptional activity and specificity of this system. Viral particles containing the enhancer/hMIA promoter mediated reporter gene activity only in melanoma cells, whereas infection with a cytomegalovirus (CMV)-based promoter construct induced unspecific gene expression. Correspondingly, transient transduction with viral particles bearing the HSVtk gene under the control of the enhancer/MIA promoter elements followed by treatment with ganciclovir (GCV) resulted in growth inhibition only in melanoma cells, whereas the CMV promoter-based construct induced unspecific cytotoxicity. In vivo experiments in nude mice demonstrated that tumors originating from human melanoma cells disappeared after stable, but not transient transduction with vectors bearing the HSVtk gene under the control of the enhancer/hMIA promoter in response to GCV application. In face of higher transduction efficiency, these rAAV particles might therefore be a useful tool for suicide gene therapy of malignant melanoma.
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Affiliation(s)
- Frank Schoensiegel
- Clinical Cooperation Unit Nuclear Medicine, German Cancer Research Center, Heidelberg, Germany.
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120
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Abstract
Surgical therapy plays an important role in the management of selected patients with metastatic melanoma. Patients are frequently symptomatic from metastatic lesions, have few effective therapeutic options, and are faced with dismal outcomes. Surgical resection may provide successful palliation of symptomatic lesions with low morbidity and operative mortality. In carefully selected patients, resections performed with curative intent may result in improved survival if a pattern of disease recurrence suggestive of favorable tumor biology is present, and if complete resection of tumor is achieved. Because the majority of post-surgical metastatic patients eventually relapse and succumb to distant disease, adjuvant immunotherapeutic strategies are currently being evaluated.
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Affiliation(s)
- Kathryn Spanknebel
- Department of General Surgery, Columbia University College of Physicians and Surgeons, New York, New York, USA.
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121
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Deichmann M, Kahle B, Moser K, Wacker J, Wüst K. Diagnosing melanoma patients entering American Joint Committee on Cancer stage IV, C-reactive protein in serum is superior to lactate dehydrogenase. Br J Cancer 2004; 91:699-702. [PMID: 15280926 PMCID: PMC2364774 DOI: 10.1038/sj.bjc.6602043] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Lactate dehydrogenase (LDH) in serum has recently been introduced into the American Joint Committee on Cancer (AJCC) staging system for cutaneous melanoma because of its prognostic value. We hypothesised LDH to be of value in discriminating melanoma patients entering AJCC stage IV from patients staying in AJCC stages I, II or III. Lactate dehydrogenase was compared to the acute phase protein C-reactive protein (CRP), which we observed to reflect the course of melanoma metastasis in a previous report. In this prospective study, we measured LDH and CRP in the serum of 91 consecutive melanoma patients progressing into AJCC stage IV in comparison to 125 patients staying in AJCC stages I, II or III. Comparing distributions of the parameters by median values and quartiles by Mann-Whitney test, LDH was not significantly elevated in patients entering AJCC stage IV melanoma (P=0.785), whereas CRP was (P<0.001). Analysing the sensitivity and the specificity jointly by the areas under the receiver operating characteristics curves (ROC-AUC), LDH did not discriminate between the defined groups of patients (AUC=0.491; 95% confidence interval, 0.410, 0.581), whereas CRP did (AUC=0.933; 95% confidence interval, 0.900, 0.966; P<0.001). Upon logistic regression analysis to calculate the ROC-AUC values upon the predictive probabilities, LDH provided no additional information to CRP. Choosing a cutoff point of 3.0 mg l(-1), CRP yielded a sensitivity of 0.769 together with a specificity of 0.904 in diagnosing AJCC stage IV entry. Altogether, for first diagnosing AJCC stage IV melanoma, CRP is the superior serum marker when compared to the conventional LDH.
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Affiliation(s)
- M Deichmann
- Department of Dermatology, Heidelberg University Clinics, Vossstrasse 2, 69115 Heidelberg, Germany.
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122
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Tas F, Yasasever V, Duranyildiz D, Camlica H, Ustuner Z, Aydiner A, Topuz E. Clinical value of protein S100 and melanoma-inhibitory activity (MIA) in malignant melanoma. Am J Clin Oncol 2004; 27:225-8. [PMID: 15170138 DOI: 10.1097/01.coc.0000054895.39558.db] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Serum protein S100 and melanoma-inhibitory protein (MIA) have been described as useful tumor markers for malignant melanoma. In this study, these two serum proteins were compared in 48 patients with melanoma at different stages of disease. Serum concentrations of S100 and MIA were measured by immunoradiometric and enzyme-linked immunosorbent assays, respectively. We found that the cut-off values were 17.4 ng/ml for MIA and 0.09 microg/l for S100. Five patients had stage I-II, 22 had stage III, and 21 had stage IV disease. Serum levels of two markers were elevated with metastatic disease (p < 0.05). Sensitivities of the MIA were found higher compared with S100 in patients with extensive (M1c) metastatic disease and with chemotherapy nonresponders (p > 0.05). We showed a trend for worsened outcome in patients with elevated MIA level in univariate analysis. MIA was found to be more sensitive and is a potential prognostic marker for patients with metastatic malignant melanoma in comparison with S100.
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Affiliation(s)
- Faruk Tas
- Institute of Oncology, University of Istanbul, Istanbul, Turkey
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123
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Abstract
The evolution and progressive refinement of an internationally accepted melanoma staging system over the last 50 years has resulted in much greater accuracy and increased utility, but the staging process has become more complex and less intuitive. This raises the question of whether melanoma staging should continue to develop with ever-increasing levels of complexity, or whether attempts should be made to produce an alternative system that is simpler and more intuitive. The current, TNM-based American Joint Committee on Cancer (AJCC) staging system for melanoma incorporates only some of the prognostic factors of proven significance. However, the information that is now available about these and other, well-documented prognostic factors allows accurate prediction of an individual melanoma patient's prognosis using a computer-generated estimate. Thus an alternative staging strategy that could be considered in the future would be to use such an estimate to obtain a numerical score for each patient, based on all available information agreed to be of prognostic relevance. A stage grouping could then be assigned on the basis of that score, according to previously determined score ranges for each stage and substage. The advantages of such a system would be that it would allow more reliable comparison of treatment results within and between institutions, and would provide more equivalent stratification groups for patients entering clinical trials of new therapies and those entering adjuvant therapy trials. A further advantage would be that because there would be a direct link between staging and prognostic estimate, such a system would be more readily able to be understood in an intuitive fashion.
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Affiliation(s)
- John F Thompson
- Sydney Melanoma Unit, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.
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124
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Abstract
In 2002, the American Joint Committee on Cancer (AJCC) revised the staging system for cutaneous melanoma on the basis of a survival analysis of important melanoma prognostic factors. Features of the revised system include new strata for primary tumor thickness, incorporation of primary tumor ulceration as an important staging criterion in both the tumor (T) and node (N) classifications, revision of the N classification to reflect the prognostic significance of regional nodal tumor burden, and new categories for distant metastatic disease. These changes reflect evolving insight into melanoma arising from the results of numerous clinical investigations and database analyses. One of the most important recent changes in melanoma care is the establishment of lymphatic mapping and sentinel lymph node (SLN) biopsy as a highly accurate and minimally morbid technique for pathologic regional nodal staging. In this article, the salient features of the revised melanoma staging system are examined, with specific attention paid to its use in this era of lymphatic mapping and SLN biopsy.
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Affiliation(s)
- Dennis L Rousseau
- Department of Surgical Oncology, The University of Texas M.D. Anderson Cancer Center, Houston 77030, USA
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125
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Faries MB, Gupta RK, Ye X, Hsueh EC, Morton DL. Melanoma-inhibiting activity assay predicts survival in patients receiving a therapeutic cancer vaccine after complete resection of american joint committee on cancer stage III melanoma. Ann Surg Oncol 2004; 11:85-93. [PMID: 14699039 DOI: 10.1007/bf02524351] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND More than half of melanoma patients rendered disease free by lymph node dissection will experience disease recurrence. We hypothesized that serum levels of melanoma-inhibiting activity (MIA) protein might be useful to stratify risk and identify subclinical recurrence in patients undergoing adjuvant immunotherapy. We examined MIA levels in the serum of stage III patients treated after surgery with a therapeutic cancer vaccine. METHODS Three cohorts of 25 patients were randomly selected from our melanoma database on the basis of time to death (group 1, <1 year; group 2, 1-5 years; group 3, >5 years.) Prospectively collected serum samples were assayed in a blinded fashion for MIA by enzyme-linked immunosorbent assay. RESULTS MIA was increased at any time in 19 (76%) of 25, 4 (16%) of 25, and 1 (4%) of 25 patients in groups 1, 2, and 3, respectively. The median survival was 11 months for the 25 patients with increased MIA and >75 months for the 50 patients with normal MIA. MIA increased above normal a median of 1 month (mean, 75 days) before clinical recurrence. All patients with increased MIA after 2 months of treatment subsequently died of melanoma. One patient in whom initially increased levels decreased to normal within 2 months is disease free. CONCLUSIONS Serum MIA levels provide important prognostic information early in the course of stage III melanoma and often detect melanoma recurrences before clinical evidence of disease.
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Affiliation(s)
- Mark B Faries
- Sonya Valley Ghidossi Vaccine Laboratory of the Roy E. Coats Research Laboratories of the John Wayne Cancer Institute at Saint John's Health Center, Santa Monica, California 90404, USA
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126
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Litvak DA, Gupta RK, Yee R, Wanek LA, Ye W, Morton DL. Endogenous immune response to early- and intermediate-stage melanoma is correlated with outcomes and is independent of locoregional relapse and standard prognostic factors. J Am Coll Surg 2004; 198:27-35. [PMID: 14698308 DOI: 10.1016/j.jamcollsurg.2003.08.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Standard prognostic factors, including precise staging of the regional lymph nodes, cannot accurately determine which early-stage melanomas will metastasize. The immune response to a 90-kd tumor-associated antigen correlates with occult nodal disease and survival of patients receiving vaccine therapy for melanoma. We hypothesized that this response might have prognostic significance independent of standard prognostic features. STUDY DESIGN Patients with primary melanomas 1.01 to 2.00 mm and tumor-negative regional lymph nodes were identified. Group 1 comprised 50 patients who died of metastases within 7 years after complete surgical treatment; group 2 comprised 50 patients who were matched with group 1 for six standard prognostic features but who lived at least 10 years without recurrence. Postoperative sera were analyzed for an immune complex to TA90 and for immunoglobulin-G and immunoglobulin-M antibodies against TA90. RESULTS Median thickness of the primary melanoma was 1.40 +/- 0.31 mm and 1.42 +/- 0.32 mm in groups 1 and 2, respectively; median Clark's level of invasion was III in both groups, and 26 patients in each group had ulcerated primaries. Median TA90-IC level and rate of TA90-IC positivity (optical density greater than 0.410) were 0.557 +/- 0.43 and 82%, respectively, in group 1 and 0.305 +/- 0.15 and 18%, respectively, in group 2 (p < 0.001). The anti-TA90 IgM level was significantly elevated in 12% of group 1 (median titer 1:150) and 62% of group 2 (median titer 1:800) (p < 0.001). There was no significant difference in anti-TA90 IgG levels between the two groups. CONCLUSIONS A positive TA90-IC level and absence of an anti-TA90 IgM response correlate with distant metastasis when melanoma is low risk or intermediate risk by standard prognostic factors.
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Affiliation(s)
- David A Litvak
- Roy E Coats Research Laboratories of the John Wayne Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
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127
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Garbe C, Leiter U, Ellwanger U, Blaheta HJ, Meier F, Rassner G, Schittek B. Diagnostic value and prognostic significance of protein S-100beta, melanoma-inhibitory activity, and tyrosinase/MART-1 reverse transcription-polymerase chain reaction in the follow-up of high-risk melanoma patients. Cancer 2003; 97:1737-45. [PMID: 12655531 DOI: 10.1002/cncr.11250] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND Cutaneous melanoma is the most aggressive form of skin carcinoma in humans, frequently with a rapid progression of disease. To detect early developing metastasis, laboratory tests to determine levels of lactate dehydrogenase (LDH) and alkaline phosphatase (AP) form part of the regular follow-up, but often cannot discover recurrent disease at a sufficiently early stage. METHODS To evaluate the diagnostic accuracy of protein S-100beta (S-100beta), melanoma-inhibitory activity (MIA), LDH, AP, and tyrosinase/MART-1 reverse transcription-polymerase chain reaction (RT-PCR), the authors included 296 consecutive AJCC Stage II or III clinically disease-free melanoma patients. Follow-up examinations were performed every 3 months and blood samples were drawn to determine the levels of these tumor markers. RESULTS Metastasis occurred in 41 of the 296 patients during a median follow-up period of 19 months (range, 1-33 months). The sensitivity to detect new metastases was 29% for protein S-100beta, 22% for MIA, 2% for LDH, 17% for AP, and 24% for RT-PCR. The diagnostic accuracy was best for MIA (86%) and S-100beta (84%), whereas AP (79%), LDH (77%), and RT-PCR (72%) demonstrated lower values. Elevated values of S-100beta and MIA during follow-up examinations were associated with decreased survival rates in the further course of the disease, but pathologic findings of the other tumor markers showed no prognostic impact. CONCLUSIONS To the authors' knowledge, the current study is the first comparison of the diagnostic accuracy of currently available tumor markers in the follow-up of high-risk melanoma patients. Protein S-100beta and MIA demonstrated a higher sensitivity, specificity, and diagnostic accuracy in the diagnosis of newly occurring metastasis compared with to the tumor markers AP, LDH, and RT-PCR diagnostics. Therefore, the tumor markers S-100beta and MIA may be useful in the follow-up of disease-free Stage II and III melanoma patients.
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Affiliation(s)
- Claus Garbe
- Department of Dermatology, Skin Cancer Program, Eberhard-Karls-University of Tuebingen, Tuebingen, Germany.
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128
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Stoll R, Renner C, Buettner R, Voelter W, Bosserhoff AK, Holak TA. Backbone dynamics of the human MIA protein studied by (15)N NMR relaxation: implications for extended interactions of SH3 domains. Protein Sci 2003; 12:510-9. [PMID: 12592021 PMCID: PMC2312446 DOI: 10.1110/ps.0222603] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The melanoma inhibitory activity (MIA) protein is a clinically valuable marker in patients with malignant melanoma as enhanced values diagnose metastatic melanoma stages III and IV. Here, we report the backbone dynamics of human MIA studied by (15)N NMR relaxation experiments. The folded core of human MIA is found to be rigid, but several loops connecting beta-sheets, such as the RT-loop for example, display increased mobility on picosecond to nanosecond time scales. One of the most important dynamic features is the pronounced flexibility of the distal loop, comprising residues Asp 68 to Ala 75, where motions on time scales up to milliseconds occur. Further, significant exchange contributions are observed for residues of the canonical binding site of SH3 domains including the RT-loop, the n-Src loop, for the loop comprising residues 13 to 19, which we refer to as the"disulfide loop", in part for the distal loop, and the carboxyl terminus of human MIA. The functional importance of this dynamic behavior is discussed with respect to the biological activity of several point mutations of human MIA. The results of this study suggest that the MIA protein and the recently identified highly homologous fibrocyte-derived protein (FDP)/MIA-like (MIAL) constitute a new family of secreted proteins that adopt an SH3 domain-like fold in solution with expanded ligand interactions.
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Affiliation(s)
- Raphael Stoll
- Max Planck Institute of Biochemistry, D-82152 München, Germany
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129
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Balch CM, Sober AJ, Soong SJ, Gershenwald JE. The new melanoma staging system. SEMINARS IN CUTANEOUS MEDICINE AND SURGERY 2003; 22:42-54. [PMID: 12773013 DOI: 10.1053/sder.2003.50004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The new melanoma staging system from The American Joint Committee on Cancer (AJCC) is described. This major revision includes new criteria for staging the primary tumor (T), metastatic nodes (N) and distant metastases (M) as well as stage groupings. These criteria more accurately reflect those prognostic features of the primary and metastatic melanoma that correlate with survival outcome. Physicians managing melanoma should use this staging system in their clinical practice and in the conduct of melanoma clinical trials.
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130
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Affiliation(s)
- Thong T Le
- Department of Otolaryngology--Head and Neck Surgery, St. Louis University Health Sciences Center, 3635 Vista at Grand Boulevard, St. Louis, MO 63110, USA.
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131
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Abstract
OBJECTIVES To describe the clinical features and histologic subtypes of cutaneous melanoma; to review the diagnosis, clinical, and pathologic staging of melanoma and the associated prognostic factors; and to review the treatment and management of AJCC stage I and II melanoma. DATA SOURCES Scientific and review articles, textbooks, and clinical practice. CONCLUSIONS Management of melanoma depends on accurate diagnosis, staging, and interpretation of prognostic factors. The treatment of choice for stage I and II melanoma is surgery, ranging from simple excision to lymph node dissection. IMPLICATIONS FOR NURSING PRACTICE Familiarity with the clinical features of melanoma assists nurses in the screening and early detection of melanoma. Knowledge of AJCC staging guides education regarding treatment and lifelong surveillance.
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Affiliation(s)
- Lynne A Lamb
- Department of Internal Medicine, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, New York, NY 10021, USA
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132
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Hamberg AP, Korse CM, Bonfrer JM, de Gast GC. Serum S100B is suitable for prediction and monitoring of response to chemoimmunotherapy in metastatic malignant melanoma. Melanoma Res 2003; 13:45-9. [PMID: 12569284 DOI: 10.1097/00008390-200302000-00008] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Serum S100B and lactate dehydrogenase (LDH) levels were evaluated for their ability to predict response in patients with metastatic malignant melanoma and to determine their usefulness in monitoring the results of chemoimmunotherapy. Levels were studied in 53 patients with metastatic malignant melanoma receiving chemoimmunotherapy and in 19 control patients with metastatic renal cell carcinoma receiving a similar immunotherapy regimen. The serum S100B level was elevated in 81% of the patients before treatment. Marker levels were significantly higher in patients who did not respond (n = 22). Patients with S100B levels >or= 1.0 microg/l were less likely to obtain remission or stable disease than the group with normal or moderately elevated serum concentrations (P < 0.01). After treatment, 17 of the 31 (55%) patients with stable or responsive disease had a S100B serum level below the cut-off point versus only one of the 22 (5%) patients in the group with progressive disease. For LDH the proportions of patients were 17 out of 31 (55%) and nine out of 22 (41%), respectively. In 15 melanoma patients there was a transient rise in the level of serum S100B at the beginning of systemic therapy. All 19 patients in the control group had an initial serum S100B level <or= 0.16 microg/l, but nine showed a transient rise during immunotherapy. In conclusion, S100B levels are of value for predicting the response to and for monitoring patients during chemoimmunotherapy.
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Affiliation(s)
- A P Hamberg
- The Netherlands Cancer Institute (Antoni van Leeuwenhoek Huis), Amsterdam, The Netherlands
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133
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Klimek VM, Williams L, Chapman PB. Serum levels of melanoma-inhibiting activity do not predict relapse in melanoma patients. CYTOKINES, CELLULAR & MOLECULAR THERAPY 2002; 7:71-4. [PMID: 12607797 DOI: 10.1080/13684730412331302072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Melanoma-inhibiting activity (MIA) is a 107 amino-acid protein secreted from melanoma cells and frequently detectable at high concentration in the serum of patients with advanced melanoma. Early studies suggested that MIA may be a useful serum tumor-marker for detection of recurrent or progressive disease. We evaluated the sensitivity of serum MIA levels in predicting the risk of relapse in patients with American Joint Committee on Cancer (AJCC) Stage II, III, and IV melanoma. MIA was measured by ELISA in serum from 39 patients with AJCC Stage II, III and IV disease at a single time-point 1 month to 5 years after they were rendered free of disease. Twenty-three of the 39 patients recurred, with a median follow-up of 4.5 months. Only four of the 23 patients who recurred had shown elevated MIA values (17% sensitivity). Of the 16 patients who remain free of disease (median follow-up 3.5 years, range 11 months to 6.3 years), one patient had an elevated MIA. There was no significant difference in the proportion of patients with elevated serum MIA between the patients who recurred and those who remained free of disease. In this series, serum MIA was not a sensitive marker for relapse in patients who were clinically free of disease after treatment.
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Affiliation(s)
- Virginia M Klimek
- Memorial Sloan-Kettering Cancer Center, Department of Medicine, Clinical Immunology Service, New York, NY, USA
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135
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Sakakura C, Hagiwara A, Nakanishi M, Shimomura K, Takagi T, Yasuoka R, Fujita Y, Abe T, Ichikawa Y, Takahashi S, Ishikawa T, Nishizuka I, Morita T, Shimada H, Okazaki Y, Hayashizaki Y, Yamagishi H. Differential gene expression profiles of gastric cancer cells established from primary tumour and malignant ascites. Br J Cancer 2002; 87:1153-61. [PMID: 12402156 PMCID: PMC2376186 DOI: 10.1038/sj.bjc.6600580] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2002] [Revised: 08/14/2002] [Indexed: 12/19/2022] Open
Abstract
Advanced gastric cancer is often accompanied by metastasis to the peritoneum, resulting in a high mortality rate. Mechanisms involved in gastric cancer metastasis have not been fully clarified because metastasis involves multiple steps and requires a combination of altered expressions of many different genes. Thus, independent analysis of any single gene would be insufficient to understand all of the aspects of gastric cancer peritoneal dissemination. In this study, we performed a global analysis of the differential gene expression of a gastric cancer cell line established from a primary main tumour (SNU-1) and of other cell lines established from the metastasis to the peritoneal cavity (SNU-5, SNU-16, SNU-620, KATO-III and GT3TKB). The application of a high-density cDNA microarray method made it possible to analyse the expression of approximately 21 168 genes. Our examinations of SNU-5, SNU-16, SNU-620, KATO-III and GT3TKB showed that 24 genes were up-regulated and 17 genes down-regulated besides expression sequence tags. The analysis revealed the following altered expression such as: (a) up-regulation of CD44 (cell adhesion), keratins 7, 8, and 14 (epitherial marker), aldehyde dehydrogenase (drug metabolism), CD9 and IP3 receptor type3 (signal transduction); (b) down-regulation of IL2 receptor gamma, IL4-Stat (immune response), p27 (cell cycle) and integrin beta4 (adhesion) in gastric cancer cells from malignant ascites. We then analysed eight gastric cancer cell lines with Northern blot and observed preferential up-regulation and down-regulation of these selected genes in cells prone to peritoneal dissemination. Reverse transcriptase-polymerase chain reaction confirmed that several genes selected by DNA microarray were also overexpressed in clinical samples of malignant ascites. It is therefore considered that these genes may be related to the peritoneal dissemination of gastric cancers. The results of this global gene expression analysis of gastric cancer cells with peritoneal dissemination, promise to provide a new insight into the study of human gastric cancer peritoneal dissemination.
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Affiliation(s)
- C Sakakura
- Department of Digestive Surgery, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kawaramachi-dori, Kyoto 602-8566, Japan.
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136
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Abstract
The American Joint Committee on Cancer has recently revised the staging system for melanoma. In this article, prognostic factors for melanoma are discussed in order of significance as outlined by the new staging system. In addition, other historically relevant prognostic factors are reviewed. The article concludes with a discussion of new technology, which may aid in the future staging of melanoma patients.
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Affiliation(s)
- Gary S Rogers
- Departments of Dermatology and Surgery, Tufts University School of Medicine, 750 Washington Street, Boston, MA 02111, USA.
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137
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Abstract
When deciding whether or not to perform a resection for metastatic melanoma, one should follow general principles that apply to the patient with melanoma as well as to the patient with metastases from other types of primary tumors. When the resection is palliative, the success of surgical treatment will be governed by the presence of identifiable symptoms, the morbidity of the procedure, the course of the disease, and the ability to communicate treatment goals among surgeon, patient, and family. When the resection is performed with curative intent, long-term survival depends on the ability of the surgeon to select patients with a pattern of recurrence suggestive of a less aggressive tumor biology. Regardless of the extent of the operative procedure, resection of metastases in patients whose disease recurs early after the treatment of the primary tumor, in those who present with multiple lesions, and in those who present with disease that cannot be completely resected will only rarely be associated with subsequent long-term survival.
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Affiliation(s)
- Peter J Allen
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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138
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Matsushita Y, Hatta N, Wakamatsu K, Takehara K, Ito S, Takata M. Melanoma inhibitory activity (MIA) as a serum marker for early detection of post-surgical relapse in melanoma patients: comparison with 5-S-cysteinyldopa. Melanoma Res 2002; 12:319-23. [PMID: 12170180 DOI: 10.1097/00008390-200208000-00003] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
One of the principal applications of tumour markers is the early detection of recurrent disease in the follow-up of patients. In the study described here, we compared the usefulness of two serum markers for melanoma, 5-S-cysteinyldopa (5-S-CD) and melanoma inhibitory activity (MIA), in the monitoring of postsurgical melanoma patients. A total of 154 serum samples taken from 45 melanoma patients, who underwent surgery of the primary tumour and were under periodical follow-up for 13 to 180 months, were analysed. Serum MIA measurements were performed using an enzyme-linked immunosorbent assay (ELISA), and 5-S-CD levels were determined using high performance liquid chromatography (HPLC). In 72 serum samples taken from a group of 31 non-progressive patients with a median follow-up of 48.5 months, false positive rates of both markers were equally low, being 6.9% (five out of 72) for 5-S-CD and 8.3% (six out of 72) for MIA. In contrast, the sensitivity of MIA at the time point of the first clinical relapse in 14 progressive patients was significantly greater than that of 5-S-CD (0.64 [nine out of 14] versus 0.21 [three out of 14]; P < 0.05). Furthermore, seven patients showed abnormal serum MIA values 4-53 months prior to the clinical detection of metastasis, and the elevated levels were often noted on multiple occasions. These results show that MIA was superior to 5-S-CD in monitoring melanoma patients under periodical follow-up after the primary surgery. Repeated elevation of serum MIA levels may predict the presence of clinically undetectable occult metastases, which warrants further prospective investigations to assess the prognostic significance of serum MIA levels in postsurgical melanoma patients.
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Affiliation(s)
- Y Matsushita
- Department of Dermatology, Kanazawa University School of Medicine, 13-1 Takara-machi, Kanazawa 920-8640, Japan
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139
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Abstract
Substantial progress has been made in identifying the most significant clinical and pathologic characteristics of melanoma that predict for metastasis and survival. The American Joint Committee on Cancer (AJCC) staging system for cutaneous melanoma was recently revised to include these prognostic variables. Major changes in the staging include: (1) melanoma thickness and ulceration but not level of invasion will be used in the T category (except for T1 melanomas); (2) the number of metastatic lymph nodes rather than their gross dimensions and the delineation of clinically occult (ie, "microscopic") versus clinically apparent (ie, "macroscopic") nodal metastases will be used in the N category; (3) the site of distant metastases and the presence of elevated serum lactate dehydrogenase (LDH) will be used in the M category; (4) all patients with stage I, II, or III disease will be upstaged when a primary melanoma is ulcerated; (5) satellite metastases around a primary melanoma and in-transit metastases will be merged into a single staging entity that is grouped into stage III disease; and (6) distinct definitions for clinical and pathologic staging will take into account the new staging information gained from intraoperative lymphatic mapping and sentinel node biopsy.
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140
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Mouawad R, Antoine EC, Gil-Delgado M, Khayat D, Soubrane C. Serum caspase-1 levels in metastatic melanoma patients: relationship with tumour burden and non-response to biochemotherapy. Melanoma Res 2002; 12:343-8. [PMID: 12170183 DOI: 10.1097/00008390-200208000-00006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Interleukin-1beta converting enzymes (ICEs/caspases) are involved in programmed cell death (apoptosis). This study sought to quantify the caspase-1 level in metastatic malignant melanoma patients and to try to establish a correlation between the level of caspase-1 and different parameters related to this pathology. In addition, we evaluated the possible relationship between the clinical response to biochemotherapy and the caspase-1 level. The serum caspase-1 level was determined in 81 metastatic malignant melanoma patients and 50 normal volunteers using enzyme-linked immunosorbent assay (ELISA). Patients received cisplatin, recombinant interleukin-2 (Proleukin) and alpha-interferon (Roferon A) in two induction cycles, and assessment of clinical response was performed according to World Health Organization (WHO) criteria. The median caspase-1 level in melanoma patients was significantly higher (P = 0.0035) than in control samples. Interestingly, a positive correlation between caspase-1 level and the tumour burden was shown (rs = 0.629, P = 0.009). When the clinical response was taken into consideration, the level of caspase-1 was significantly higher in biochemorefractory patients compared with responding ones (P = 0.04). After treatment, the caspase-1 level remained very high in biochemorefractory patients, while in responding ones no change was observed. Furthermore, a positive correlation between the clinical response and the caspase-1 level was established (rs = 0.404, P = 0.024). In conclusion, we observed an elevated caspase-1 level in metastatic malignant melanoma patients. In addition, the correlations obtained between the caspase-1 level and both the tumour burden and the clinical response to the treatment support the concept that disrupted apoptosis pathways might be involved in the progressive disease of advanced melanoma and/or may confer resistance to treatment.
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Affiliation(s)
- R Mouawad
- Medical Oncology Department, Salpêtrière Hospital, AP-HP, 47 Boulevard de l'Hopital, 75013 Paris, France
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141
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Li N, Mangini J, Bhawan J. New prognostic factors of cutaneous melanoma: a review of the literature. J Cutan Pathol 2002; 29:324-40. [PMID: 12135463 DOI: 10.1034/j.1600-0560.2002.290602.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Ning Li
- Dermatopathology Section, Department of Dermatology, Boston University School of Medicine, Boston, Massachusetts, USA
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142
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Stoitchkov K, Letellier S, Garnier JP, Bousquet B, Tsankov N, Morel P, Ghanem G, Le Bricon T. Melanoma progression and serum L-dopa/L-tyrosine ratio: a comparison with S100B. Melanoma Res 2002; 12:255-62. [PMID: 12140382 DOI: 10.1097/00008390-200206000-00009] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The challenge to find a reliable tumour marker for the management of melanoma patients still remains. In this study, the serum L-dopa/L-tyrosine ratio was compared with serum S100B as a reference marker. A total of 89 melanoma patients were sampled and staged according to the American Joint Committee on Cancer (AJCC) classification. Of these, 19 stage III and 28 stage IV patients were evaluated for disease progression at 1.5 years and 6 months post-sampling, respectively. Serum L-dopa and L-tyrosine were measured by high performance liquid chromatography (HPLC) (normal value for ratio < 16 x 10(-5)) and S100B using the LIA-mat Sangtec 100 assay (normal value < 0.10 microg/l). Non-parametric tests (Kruskal-Wallis analysis of variance, Dunn's and Spearman) were used for the statistical analysis. The median serum L-dopa/L-tyrosine ratio was 16.0 x 10(-5) (range 2.7-545.1 x 10-5 and the median S100B level was 0.15 microg/l (range < 0.10-13.8 microg/l), with a sensitivity of 51% for the ratio and 66% for S100B. There was a 47% discordance and no correlation between the two markers (r = 0.149). The ratio was higher in stage IV than in other stages (P < 0.05), as was the S100B level (P < 0.0001). Both markers were higher in patients with evolutive disease (n = 23) than in stable patients (n = 24), with values of 20.8 x 10(-5) versus 13.1 x 10(-5) for the ratio (P < 0.05) and 0.89 microg/l versus 0.16 microg/l for S100B (P < 0.001); for the ratio, this difference was more pronounced in stage III than in stage IV patients. The overall sensitivity and specificity of the markers to predict disease progression were 78% and 67%, respectively, for the ratio, and 74% and 83%, respectively, for S100B (using an ROC cut-off of 0.38 microg/l). In conclusion, the serum L-dopa/L-tyrosine ratio correlates with melanoma progression and has predictive value, especially in stage III patients. This tumour marker, like S100B, could serve as an additional tool in the management of melanoma.
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Affiliation(s)
- K Stoitchkov
- Department of Dermatology, National Center of Oncology, Plovdivsko pole Street No. 6, Sofia 1756, Bulgaria.
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143
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Abstract
When deciding to perform a resection for metastatic melanoma one should first decide whether the intent of the procedure is curative or palliative. When the resection is palliative, the success of surgical treatment will depend on the presence of identifiable symptoms, the morbidity of the procedure, the course of the disease, and the ability to communicate the treatment goals among surgeon, patient, and family. When the resection is curative, survival will depend on the ability of the surgeon to select patients with a pattern of recurrence suggestive of less aggressive tumor biology. Factors generally found predictive of improved survival, and therefore reflective of tumor biology, include longer disease-free interval, fewer numbers of metastases, and the ability to obtain a complete resection. Resection of metastases in patients who recur within one-year, who present with multiple lesions, and who present with disease that cannot be completely resected, will not result in long-term survival.
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Affiliation(s)
- Peter J Allen
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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144
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Merkel S, Meyer T, Papadopoulos T, Schuler G, Göhl J, Hohenberger W, Hermanek P. Testing a new staging system for cutaneous melanoma proposed by the American Joint Committee on Cancer. Eur J Cancer 2002; 38:517-26. [PMID: 11872344 DOI: 10.1016/s0959-8049(01)00405-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The American Joint Committee on Cancer (AJCC) recently proposed a new staging system for cutaneous melanoma. We tested its practicability and its prognostic value was compared with the currently used TNM classification. The data of 1976 melanoma patients were used for the testing. 1218 patients (61.6%) could be assigned to the proposed pT classification, 136 patients (90.1%) with lymph node metastases and/or in-transit metastases to the proposed pN classification and all 14 patients with distant metastases to the proposed pM classification. Proposed pathological staging was possible for 971 patients (49%). The number of pT1 patients (399 versus 230) and stage I patients (544 versus 393) was distinctly higher in the proposed classification. In proposed stage II and III groups, subgroups with different prognosis could be identified. The new staging system includes more detailed information on clinical and pathohistological findings. Nevertheless, it is practicable and enables more patients with excellent prognosis to be identified.
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Affiliation(s)
- S Merkel
- Department of Surgery, University of Erlangen, Krankenhausstr. 12, D-91054, Erlangen, Germany.
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145
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Balch CM, Mihm MC. Reply to the article "The AJCC staging proposal for cutaneous melanoma: comments by the EORTC Melanoma Group", by D. J. Ruiter et al. (Ann Oncol 2001; 12: 9-11). American Joint Committee on Cancer. Ann Oncol 2002; 13:175-6. [PMID: 11863103 DOI: 10.1093/annonc/mdf060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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146
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Bánfalvi T, Boldizsár M, Gergye M, Gilde K, Kremmer T, Ottó S. Comparison of prognostic significance of serum 5-S-Cysteinyldopa, LDH and S-100B protein in Stage III-IV malignant melanoma. Pathol Oncol Res 2002; 8:183-7. [PMID: 12515998 DOI: 10.1007/bf03032392] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2002] [Accepted: 09/25/2002] [Indexed: 10/21/2022]
Abstract
5-S-cysteinyldopa is a precursor of pheomelanin. S-100B protein is a low molecular weight, acidic, calcium binding, cytoplasmatic protein. LDH was defined as the most important serum parameter in disseminated melanoma. The aim of the present study was to compare the prognostic values of serum 5-S-Cysteinyldopa, S-100B and LDH concentrations in Stage III-IV melanoma patients. Serum samples were taken from 179 Stage III-IV melanoma patients at diagnosis. Serum 5-S-CD concentrations were determined by HPLC, S-100B protein by immunoluminometric assay while LDH by UV kinetic method. The mean/median concentrations of LDH, S-100B protein and 5-S-CD in Stage III patients ranged around the normal level. In Stage IV, the markers ranked as S100B = 5-S-CD > LDH for sensitivity, S-100B > LDH > 5-S-CD for specificity and LDH = S100B = 5-S-CD for positive predictive value, respectively. Furthermore, mean marker concentrations of patients with progressive disease differed significantly from nonprogresssive cases (when staging categories have been disregarded). Survival analysis indicated, that the initially elevated LDH and S-100B level in Stage IV disease predicts comparably short survival. Results of our study suggest that these serum marker values correlate well with Stages and disease progression. In Stage IV melanoma, the markers had appropriate sensitivity, high specificity as well as important positive predictive value. Among the studied serum markers S-100B protein and LDH proved to be similarly reliable in respect to the clinical outcome.
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Affiliation(s)
- Teodóra Bánfalvi
- Department of Dermatology, National Institute of Oncology, Budapest, Hungary.
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147
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Abstract
BACKGROUND Classification schemas for cancers are useful for predicting overall survival and selecting patients for treatment. Historically, the most important factors in determining prognosis in patients with melanoma have been tumor thickness and lymph node status. Sentinel lymph node mapping defines a subset of patients with microscopic metastatic disease can be identified, offering greater accuracy in staging. METHODS The authors reviewed studies evaluating the prognostic factors that are significant in predicting survival in patients with melanoma. The newly revised American Joint Committee on Cancer (AJCC) staging system for melanoma is compared with the 1997 AJCC staging system currently in use. RESULTS The changes in the new AJCC melanoma staging system reflect the new prognostic factors that have been found to be important in predicting survival. These include primary tumor thickness (tumor depth in millimeters is more predictive than the level of invasion) and ulceration, number of metastatic lymph nodes, micrometastatic disease based on the sentinel lymph node biopsy technique or elective node dissection, the site(s) of distant metastatic disease and serum LDH levels. CONCLUSIONS Major revisions have been made to form a new AJCC staging system for melanoma, which will become official in 2002. This system will provide more accurate and precise information regarding patient prognosis. Validation studies are needed to confirm the accuracy of this revised staging system.
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Affiliation(s)
- Christina J Kim
- Department of Surgery, H. Lee Moffitt Cancer Center & Research Institute at the University of South Florida, Tampa, USA
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148
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Djukanovic D, Hofmann U, Sucker A, Schadendorf D. Melanoma tumour markers S100B and MIA: evaluation of stability in serum and blood upon storage and processing. Br J Dermatol 2001; 145:1030-1. [PMID: 11899133 DOI: 10.1046/j.1365-2133.2001.04545.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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149
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Meral R, Duranyildiz D, Tas F, Camlica H, Yasasever V, Kurul S, Dalay N. Prognostic significance of melanoma inhibiting activity levels in malignant melanoma. Melanoma Res 2001; 11:627-32. [PMID: 11725209 DOI: 10.1097/00008390-200112000-00009] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This analytic (phase II) study aimed to investigate the hypothesis that the decline in serum melanoma-inhibiting activity (MIA) levels following initiation of treatment might have prognostic value. The mean serum lactate dehydrogenase (LDH), MIA and S100 levels in patients with malignant melanoma before treatment were higher than in the control group. Patients with visceral dissemination had much higher mean serum MIA levels than patients with nodal spread only. A regression model was constructed to analyse the prognostic factors in patients with advanced stage malignant melanoma. Therapy included surgical excision or lymph node dissection, hypofractionated radiotherapy, and immunotherapy or chemotherapy. Blood samples were collected within 24 h before the initiation of systemic treatment and two or three times more at 20-28 day intervals. Overall survival was investigated by univariate analysis, and correlation with clinical factors was compared using the log-rank test. Gender, primary tumour site, surgery, radiation therapy, serum S100 levels before systemic treatment and choice of chemotherapy were not correlated with the outcome. In addition to the stage of disease, low serum LDH levels before systemic treatment and a decline in serum MIA levels following initiation of systemic treatment predicted a favourable outcome. Metastasis to visceral organs was associated with higher serum MIA levels. Persistence of high serum MIA levels despite systemic treatment predicts an unfavourable prognosis.
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Affiliation(s)
- R Meral
- Department of Clinical Oncology, University of Istanbul, Oncology Institute, Capa 34390, Istanbul, Turkey
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150
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Hartleb J, Arndt R. Cysteine and indole derivatives as markers for malignant melanoma. JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL SCIENCES AND APPLICATIONS 2001; 764:409-43. [PMID: 11817040 DOI: 10.1016/s0378-4347(01)00278-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Malignant melanoma is a skin tumour, which carries a very unfavourable prognosis. The early detection of a melanoma and even more its metastasis is of decisive importance for the survival prognosis of the patients. So there is always a desire for simple, economical and meaningful serological markers. From the cysteine- and indole-related derivatives, 5-S-cysteinyldopa (5-SCD) and 6-hydroxy-5-methoxy-indole-2-carboxylic acid (6H5MI2C) are the most important substances for this purpose. For 5-SCD, the sample pretreatment was carried out either by a manual extraction onto alumina, by an automated method onto boronic acid affinity gels or by an automated solid-phase extraction. For 6H5MI2C, liquid-liquid extractions or direct injection techniques were applied. The chromatographic analyses in the early years were mostly performed with GC-MS. Today HPLC is the nearly exclusively used separation technique. For HPLC, standard RP18 separating columns and usual compositions of eluents were applied. As detectors both the ECD and the FD showed a sufficient sensitivity and selectivity. 5-SCD and 6H5MI2C are very sensitive to light and oxidation. These properties must be taken into account in the complete analysis procedure, including the sample collection, otherwise false low values will result especially for plasma samples. For a critical discussion of the analytical methods and still more for the interpretation of the obtained results, the detailed analytical procedures must be considered. 5-SCD in plasma is one of the best markers of malignant melanoma. It shows an excellent specificity and also an adequate sensitivity in the metastatic melanoma stages. For the detection of primary melanomas and for urine instead of plasma samples, the sensitivity of 5-SCD is generally lower. Altogether, the sensitivity of this parameter is not yet sufficient. 6H5MI2C and other indole derivatives have been investigated far less than 5-SCD. 6H5MI2C correlates less clearly with the different stages of the melanoma and is therefore a less suitable marker. To improve the sensitivity of the findings, in future the investigations should be performed as multi-marker analysis with the simultaneous measurements of more than one marker substance in a given patient sample. Not only one measurement should be carried out per patient, it would be more meaningful to observe the patients with laboratory diagnostics in the follow-up.
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