References of "Dermatology research and practice"
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See detailTracking and treating malignant melanoma metastases.
PIERARD, Gérald ULg; HUMBERT, Philippe; QUATRESOOZ, Pascale ULg

in Dermatology Research and Practice (2012), 2012(art.173491), 1-2

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See detailIpilimumab, a promising immunotherapy with increased overall survival in metastatic melanoma?
PIERARD, Gérald ULg; Aubin, Francois; Humbert, Philippe

in Dermatology Research and Practice (2012), 2012

Malignant melanoma (MM) is one of the most aggressive skin cancer. The therapeutic options remain limited for advanced MM, and those directed to the neoplastic cells have not brought major survival ... [more ▼]

Malignant melanoma (MM) is one of the most aggressive skin cancer. The therapeutic options remain limited for advanced MM, and those directed to the neoplastic cells have not brought major survival advantage so far. Immunotherapy is another targeted option. Ipilimumab, a monoclonal antibody directed to CTLA-4 present on cytotoxic T cells boosts immunity, particularly its anti-MM activity. Under treatment, the overall survival of patients with MM metastases is moderately but significantly increased. The immuno-related adverse effects may be severe and life threatening. [less ▲]

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See detailThigmotropism of Malignant Melanoma Cells
QUATRESOOZ, Pascale ULg; PIERARD-FRANCHIMONT, Claudine ULg; Noël, Fanchon ULg et al

in Dermatology Research and Practice (2012), (362784), 1-6

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See detailMolecular dermatopathology in malignant melanoma.
REGINSTER, Marie-Annick ULg; PIERARD-FRANCHIMONT, Claudine ULg; PIERARD, Gérald ULg et al

in Dermatology Research and Practice (2012), 2012(684032), 1-6

At present, immunohistochemistry is taken for granted in the establishment of malignant melanoma (MM) diagnosis. In recent years, molecular diagnosis in dermatopathology has benefited from a vast array of ... [more ▼]

At present, immunohistochemistry is taken for granted in the establishment of malignant melanoma (MM) diagnosis. In recent years, molecular diagnosis in dermatopathology has benefited from a vast array of advances in the fields of genomics and proteomics. Sensitive techniques are available for detecting specific DNA and RNA sequences by molecular hybridization. This paper intends to update methods of molecular cytogenetics available as diagnostic adjuncts in the field of MM. Cytogenetics has highlighted the pathogenesis of atypical melanocytic neoplasms with emphasis on the activation of the mitogen-activated protein kinase (MAPK) signalling pathway during the initiation step of the neoplasms. 20 to 40% of MM families have mutations in the tumour suppressor gene p16 or CDKN2A. In addition, somatic mutations in p16, p53, BRAF, and cKIT are present in MM. Genome-wide scan analyses on MM indicate positive associations for genes involved in melanocytic naevi, but MM is likely caused by a variety of common low-penetrance genes. Molecular dermatopathology is expanding, and its use in the assessment of melanocytic neoplasms appears to be promising in the fields of research and diagnosis. Molecular dermatopathology will probably make its way to an increased number of diagnostic laboratories. The expected benefit should improve the patient management. This evolution points to a need for evolution in the training requirements and role of dermatopathologists. [less ▲]

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See detailSmouldering malignant melanoma and metastatic dormancy: an update and review.
PIERARD, Gérald ULg; PIERARD-FRANCHIMONT, Claudine ULg; REGINSTER, Marie-Annick ULg et al

in Dermatology Research and Practice (2012), 2012

The fund of knowledge regarding the versatility of presentation of MM metastases is still quite incomplete. The recent literature pertaining to the current understanding of the mechanisms underlying two ... [more ▼]

The fund of knowledge regarding the versatility of presentation of MM metastases is still quite incomplete. The recent literature pertaining to the current understanding of the mechanisms underlying two special features of MM metastasis is reviewed. On the one hand, a long disease-free interval (MM dormancy) may occur before the surge of overt metastases. On the other hand, the so-called MM smouldering phenomenon refers to the condition where regional metastases wax and wane for long periods of time on restricted skin regions. It is important to emphasize that local micrometastases often predict sentinel lymph node involvement but may not reflect progression of the primary MM to full-blown visceral metastatic competence. It is likely that a combination of factors impacts the versatile MM metastasic progression. Among the main factors, one has to mention the phenotypic heterogeneity and variability in the phenotype of MM cells, the presence of MM stem cells and MM cells engaged in an amplification proliferation pool, as well as the host immune response, and possibly the induction of a particular stromal structure and vascularity. [less ▲]

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