Abstract:
:Microsatellite instability (MSI) is caused by replication errors due to deficient DNA mismatch repair and has been associated with tumour progression in various types of cancer. Controversial results have been reported concerning the frequency and significance of MSI in malignant melanoma. In this study, the time of onset and relative incidence of MSI were determined during the progression of melanocytic tumours, starting with benign melanocytic naevi. MSI was studied at 13 loci containing single, di- or trinucleotide repeat sequences and mapping to five different chromosomal locations. Tumours were classified as being low frequency MSI (L-MSI+) or high frequency MSI (H-MSI+) when either one or at least two marker loci, respectively, displayed mutant alleles in tumour DNA compared with the corresponding normal tissue DNA. None of the eight melanocytic naevi studied showed MSI, whereas a moderate frequency of H-MSI was detected in dysplastic naevi (one out of 11; 9%) and primary melanomas (six out of 56; 11%). The incidence of H-MSI was increased in melanoma metastases from the same patients (nine out of 42; 21%). In contrast to previously reported data showing higher rates of MSI in melanoma, genetic instability seems to be present in a minority of malignant melanoma lesions. However, our findings are consistent with the hypothesis that MSI may be sequentially induced during malignant evolution, contributing to the progression of a subset of melanocytic tumours.
journal_name
Melanoma Resjournal_title
Melanoma researchauthors
Palmieri G,Ascierto PA,Cossu A,Colombino M,Casula M,Botti G,Lissia A,Tanda F,Castello Gdoi
10.1097/00008390-200304000-00009subject
Has Abstractpub_date
2003-04-01 00:00:00pages
167-70issue
2eissn
0960-8931issn
1473-5636journal_volume
13pub_type
杂志文章abstract::Microphthalmia transcription factor (Mitf) is involved in melanocyte development and differentiation. We previously reported that Mitf expression, as detected by immunohistochemical analysis, is an independent prognostic marker in patients with intermediate-thickness melanoma. However, the clinical significance of Mit...
journal_title:Melanoma research
pub_type: 杂志文章
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journal_title:Melanoma research
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abstract::Recently, TROG 02.01 results showed that in stage III melanoma patients with nodal metastasis, adjuvant radiation to lymph node basin after nodal dissection improves lymph node field relapse without an overall survival (OS) benefit. However, this trial was neither designed nor powered to detect an OS difference. In th...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000292
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200412000-00019
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abstract::Conjunctival melanoma is a rare disease, and little is known about its molecular background. Here, we present the case of a 48-year-old patient with conjunctival melanoma and metachronic lymph node and skin metastasis with KRAS p.K117Y mutation in exon 4 in all the lesions. The cancer genome interpreter predicted this...
journal_title:Melanoma research
pub_type: 杂志文章,评审
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abstract::Familial atypical multiple mole-melanoma (FAMMM) syndrome is characterized by the familial occurrence of malignant melanoma of the skin in combination with multiple atypical precursor naevi. In the present study we performed linkage analysis in seven Dutch FAMMM families to define the relationship between the ultimate...
journal_title:Melanoma research
pub_type: 杂志文章
doi:
更新日期:1993-08-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e328344958c
更新日期:2011-04-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/01.cmr.0000130874.33504.2f
更新日期:2004-06-01 00:00:00
abstract::This study examines whether 6-thioguanine resistant T cells (mutant) from metastatic melanoma patients are enriched for melanoma-associated T cells compared to T cells obtained analogously without thioguanine selection (wild-type). Melanoma-associated antigen pentamer staining was performed on 5 tumour and 9 periphera...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000625
更新日期:2020-02-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-199704000-00008
更新日期:1997-04-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000510
更新日期:2019-02-01 00:00:00
abstract::The CD10 antigen is a neutral endopeptidase expressed by a variety of mesenchymal tumours (haemopoietic or not), including a subset of malignant melanomas. We investigated the expression of CD10 in formalin-fixed, paraffin-embedded tissue specimens of 72 cutaneous melanomas (28 primary, 26 metastatic to the skin and 1...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200206000-00007
更新日期:2002-06-01 00:00:00
abstract::Among patients with advanced melanoma, the development of autoimmune phenomena or of hypothyroidism during therapy has been associated with a favourable outcome. The objective of this study was to determine the prevalence of autoimmunity and of hypothyroidism in the melanoma population as a whole and to determine if t...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200112000-00010
更新日期:2001-12-01 00:00:00
abstract::A 58-year-old man with indolent metastatic BRAF mutant melanoma presented with several days' history of progressive ataxia and dysdiadochokinesia. His PET/computed tomography restaging scan indicated two new fluorine-18-fluorodeoxyglucose-avid mesenteric lymph nodes. Meanwhile, his MRI brain and whole spine were withi...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000264
更新日期:2016-08-01 00:00:00
abstract::The incidence of melanoma has increased continuously during the last decade. Surgery is the mainstay of therapy but, for patients with thick lesions or regional metastatic lymph nodes, there is a high risk of relapse. For this group of patients, there is no standard therapy or general agreement amongst oncologists. In...
journal_title:Melanoma research
pub_type: 杂志文章,评审
doi:10.1097/00008390-200510000-00001
更新日期:2005-10-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e32835fb524
更新日期:2013-06-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200212000-00010
更新日期:2002-12-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e32835ae915
更新日期:2013-02-01 00:00:00
abstract::Loss of expression of E-cadherin, the major cell-cell adhesion receptor on keratinocytes, has been linked to tumour progression in various carcinomas. As E-cadherin has been reported to be expressed in cultured human melanocytes, we questioned whether loss of E-cadherin expression may also be related to melanocytic tu...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-199604000-00007
更新日期:1996-04-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200202000-00010
更新日期:2002-02-01 00:00:00
abstract::Acral lentiginous melanoma (ALM) is the most frequent type of cutaneous melanoma in the Asian and African populations, but the fourth distinct variant of cutaneous melanoma in the Caucasian population. Histological criteria and prognosis of ALM remain controversial. A retrospective study, showing epidemiological, clin...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e3282f1d2b6
更新日期:2010-06-25 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e328334c36e
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000456
更新日期:2018-08-01 00:00:00
abstract::An increased risk of melanoma has been variously reported in patients with chronic lymphocytic leukaemia (CLL), analogous with other immunosuppressed populations. To fully assess this association, we performed a systematic review and meta-analysis of available evidence from observational cohort studies. All such longi...
journal_title:Melanoma research
pub_type: 杂志文章,meta分析,评审
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更新日期:2016-04-01 00:00:00
abstract::The aim of this study was to determine the impact of complete response (CR) to systemic therapy on survival. We reviewed the cases of 647 chemo-naive patients with metastatic melanoma who were treated with cisplatin-vinblastine-dacarbazine or cisplatin-taxol-dacarbazine alone, or cisplatin-vinblastine-dacarbazine toge...
journal_title:Melanoma research
pub_type: 杂志文章,评审
doi:10.1097/CMR.0b013e328341445f
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journal_title:Melanoma research
pub_type: 杂志文章,评审
doi:10.1097/CMR.0b013e32832eabd5
更新日期:2009-10-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200410000-00014
更新日期:2004-10-01 00:00:00
abstract::Isolated limb perfusion (ILP) with melphalan is used to treat recurrent melanoma. This study aimed to develop a microdialysis technique for melphalan tissue concentration measurement during ILP. The effects of melphalan concentration (50-600 microg/ml), microdIalysis flow rate (0.55-17.5 microl/min), probe length (5-5...
journal_title:Melanoma research
pub_type: 杂志文章
doi:
更新日期:2000-02-01 00:00:00
abstract::Ultraviolet-B (UV-B) triggers a cascade of events involving cell cycle control genes leading ultimately to DNA repair or apoptosis. The hypothesis examined here is that the genetic abnormality predisposing to melanoma affects the ability of the cell to respond appropriately to UV-B, so favouring mutagenesis. Epstein-B...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200102000-00001
更新日期:2001-02-01 00:00:00
abstract::Sentinel lymph node dissection (SLND) identifies melanoma patients with metastatic disease who would benefit from radical lymph node dissection (RLND). Rarely, patients with melanoma have an underlying lymphoproliferative disease, and melanoma metastases might develop as collision tumours in the sentinel lymph node (S...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000098
更新日期:2014-08-01 00:00:00