The British journal of surgery · 1998
Expression of c-myc oncoprotein represents a new prognostic marker in cutaneous melanoma.
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Ross D A, Wilson G D
Аннотация
BACKGROUND: Overexpression of the c-myc oncoprotein has been observed to be of prognostic significance in several human cancers. This study was undertaken to establish whether c-myc has any prognostic significance in melanoma.
METHODS: Expression of c-myc oncoprotein was studied in a prospective series of primary and secondary malignant melanomas. Ethanol-fixed tissue was digested into nuclei and stained for flow cytometric analysis using a pan-myc antibody.
RESULTS: Overexpression of the c-myc oncoprotein was prevalent in both disease stages. In primary disease, overexpression was associated with tumour thickness and with the presence of ulceration, age and reduced disease-free interval. Of most importance, high expression of c-myc predicted poor outcome in both primary and metastatic disease. In addition, c-myc was able to discriminate prognosis in melanomas uniformly stratified as thick (greater than 3 mm) lesions.
CONCLUSION: These results indicate an important role for c-myc in melanoma which may lead to better prognostic information and identification of new therapeutic strategies.
METHODS: Expression of c-myc oncoprotein was studied in a prospective series of primary and secondary malignant melanomas. Ethanol-fixed tissue was digested into nuclei and stained for flow cytometric analysis using a pan-myc antibody.
RESULTS: Overexpression of the c-myc oncoprotein was prevalent in both disease stages. In primary disease, overexpression was associated with tumour thickness and with the presence of ulceration, age and reduced disease-free interval. Of most importance, high expression of c-myc predicted poor outcome in both primary and metastatic disease. In addition, c-myc was able to discriminate prognosis in melanomas uniformly stratified as thick (greater than 3 mm) lesions.
CONCLUSION: These results indicate an important role for c-myc in melanoma which may lead to better prognostic information and identification of new therapeutic strategies.