Abstract:
:The concept of 'vasculogenic mimicry' (VM) was introduced to describe the unique ability of highly invasive tumor cells to form capillary-like structures (CLS) and matrix-rich patterned network in three-dimensional culture that mimic embryonic vasculogenic network. Recently, we have shown that CLS formation requires apoptotic cell death through activation of caspase-3-dependent mechanism. In this study, to identify some molecular determinants driving aggressive melanoma cells to express a latent 'angiogenic program' that recapitulates the early events of CLS formation, we focused on the involvement of antioxidants (AOs) in the process of melanoma VM. We have studied the effects of resveratrol, (-)-epigallocathechin gallate, N-acetyl-cysteine (NAC) and Trolox on the ability of melanoma cells to form/destroy CLS. We observed that the formation of CLS was strongly related to reactive oxygen species level. In vivo animal experiments confirmed the involvement of reactive oxygen species level in melanoma VM. To understand the molecular mechanisms of this phenomenon, we specifically looked for induction of apoptosis and vascular endothelial growth factor (VEGF) release. Western blot analysis revealed that the level of VEGF, VEGF receptors (VEGF-Rs) and active caspase-3 dramatically decreased in cells treated with AOs. Here, we also report further experiments designed to determine whether the crosstalk between AOs and apoptosis exists in melanoma VM.
journal_name
Melanoma Resjournal_title
Melanoma researchauthors
Vartanian AA,Burova OS,Stepanova EV,Baryshnikov AY,Lichinitser MRdoi
10.1097/CMR.0b013e3282f1d2ecsubject
Has Abstractpub_date
2007-12-01 00:00:00pages
370-9issue
6eissn
0960-8931issn
1473-5636pii
00008390-200712000-00006journal_volume
17pub_type
杂志文章abstract::As the cost of air travel has decreased substantially in the USA and Europe over the past few decades, leisure travel to vacation destinations during the winter months has expanded significantly. This trend has probably increased the incidence of significant ultraviolet radiation exposure and sunburn in a broader popu...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/01.cmr.0000195696.50390.23
更新日期:2006-02-01 00:00:00
abstract::Violacein is the main pigment produced by Chromobacterium violaceum, a saprophytic gram-negative bacillus. Violacein is formed by the condensation of two modified tryptophan molecules and has potential anti-neoplastic effects. The purpose of this pilot study was to investigate the in vitro activity of violacein in hum...
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
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/01.cmr.0000205023.02527.ab
更新日期:2006-08-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章,评审
doi:
更新日期:1991-11-01 00:00:00
abstract::The EORTC Melanoma Cooperative Group conducted a phase II trial (study number 18891) to study the effect of Toremifene in 45 patients with advanced, metastatic melanoma. Male and female patients, median age 61 (range 23-88) years received a mean total dose of 11 g (4.3-62.6) orally for at least 6 weeks. No objective r...
journal_title:Melanoma research
pub_type: 临床试验,杂志文章,多中心研究
doi:
更新日期:1993-04-01 00:00:00
abstract::Prognostic blood biomarkers for patients with uveal melanoma have not been identified. Tumor monosomy-3 is strongly associated with the development of metastatic disease. Tumor expression of human leukocyte antigen class I molecules and insulin-like growth factor (IGF)-1 receptor has also been associated with the deve...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e32835b7154
更新日期:2013-02-01 00:00:00
abstract::The presence of substantial amounts of GM3 ganglioside on human melanomas and other tumours, together with its peculiar biological properties, makes this glycolipid a unique target for cancer immunotherapy. B16 mouse melanoma expresses GM3 and constitutes an appropriate model for the development of novel GM3-based vac...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200106000-00003
更新日期:2001-06-01 00:00:00
abstract::Concurrent BRAF-MEK inhibition improves clinical outcomes in patients with advanced BRAF V600E/K-mutant melanoma. There is currently less evidence for the efficacy of this treatment in patients with rare BRAF non-V600E/K genotypes. We report on two patients with rare BRAF exon 15 mutations - BRAF A598_T599insV and V60...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000376
更新日期:2017-10-01 00:00:00
abstract::Galectin-9, a β-galactoside-binding protein, is defined as a negative regulator of T helper 1 (Th1) immune responses, favoring Th2 bias. Systemic immunity in patients with metastatic melanoma is predominantly Th2 biased. We hypothesized that galectin-9 can modulate systemic immunity toward Th2 polarization in patients...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000281
更新日期:2016-10-01 00:00:00
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journal_title:Melanoma research
pub_type: 杂志文章,多中心研究
doi:10.1097/CMR.0000000000000398
更新日期:2017-12-01 00:00:00
abstract::Preoperative assessment of melanoma invasion by sonometry has been reported to exhibit a high correlation with postoperative histometry based on the determination of a regression coefficient. We believe that this approach is not adequate and that it can be misleading. We therefore applied an appropriate statistical ap...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-199610000-00007
更新日期:1996-10-01 00:00:00
abstract::The growth rate (GR) of melanomas is not uniform. A fast-growing subtype has been identified and seems to have a role in the stabilization of the mortality rates because of melanoma. To examine features associated with fast-growing melanomas (FGMs) and to determine the relationship between the GR and well-recognized p...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e328342f312
更新日期:2011-04-01 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
abstract::Treatment of patients with metastatic melanoma with either dacarbazine (DTIC) or interferon-alpha (IFNalpha) as single drugs, or in combination, results in a response rate of approximately 15-20%. This study evaluated the activity and toxicity following treatment with a combination of DTIC, IFNalpha2b and verapamil (V...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200302000-00014
更新日期:2003-02-01 00:00:00
abstract::Melanomas contain subsets of cancer stem-like cells with tumor-initiating capacity. The frequency of these cells in the tumor is still a topic of debate. We investigated the phenotypic plasticity of cancer cells grown as melanospheres to elucidate the influence of the microenvironment on some features of melanoma stem...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0b013e3283531317
更新日期:2012-06-01 00:00:00
abstract::Sideritis leptoclada O. Schwarz et P.H. Davis extracts were evaluated for its singlet oxygen production capacity using spectrophotometric method. The extracts producing singlet oxygen were then evaluated for cytotoxicity against malignant melanoma cancer (HT-144) and fibroblast (3T3) cell lines using the 3-[4,5-dimeth...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000487
更新日期:2018-12-01 00:00:00
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
更新日期:2016-12-01 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::Paraffin-embedded tissue from the primary tumours of 116 patients with malignant melanoma, and in 40 cases also from corresponding metastases, were examined for accumulation of p53 protein. The fraction of tumours with positive p53 immunostaining was 13% in the least invasive and 36% in the most invasive primary lesio...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-199506000-00007
更新日期:1995-06-01 00:00:00
abstract::Seasonal variation in melanoma diagnoses has been observed in numerous studies that used calendar time indicators. Depending on the latitude (and altitude) of the study region, the magnitude of seasonal and year-to-year variation of ultraviolet radiation (UVR) is neglected in these studies. An alternative approach com...
journal_title:Melanoma research
pub_type: 杂志文章
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200512000-00009
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journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200208000-00003
更新日期:2002-08-01 00:00:00
abstract::Large population-based studies have shown a significant association between melanoma and lymphoid neoplasia, particularly non-Hodgkin's lymphoma (NHL) and chronic lymphocytic leukaemia (CLL), that is independent of any treatment received for the initial tumour. This study examines the presentation, diagnosis, treatmen...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/00008390-200110000-00012
更新日期:2001-10-01 00:00:00
abstract::Uveal melanoma is a rare form of melanoma and the most frequent primary eye malignancy in adults. The major molecular alterations underlying uveal melanoma pathogenesis affect mainly the GNAQ, GNA11, SF3B1, and BAP1 genes. In this study, we somatically genotyped 31 Brazilian uveal melanomas for BRAF, GNA11, GNAQ, SF3B...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000523
更新日期:2019-06-01 00:00:00
abstract::We describe a rare case of transplacental-transmitted maternal melanoma to the placenta and foetus during the second pregnancy of a 28-year-old woman. She was aware of a greyish-brown nodular lesion on the right gluteus during her first pregnancy. On histological examination, this lesion resulted to be an amelanocitic...
journal_title:Melanoma research
pub_type: 杂志文章,评审
doi:10.1097/CMR.0b013e32833faf6a
更新日期:2010-12-01 00:00:00
abstract::Accumulating evidence has suggested that the XRCC1 Arg399Gln and Arg194Trp polymorphisms might be related to cutaneous melanoma susceptibility. However, epidemiologic findings have been inconsistent. We have assessed reported studies by meta-analysis to perform a more precise estimation of the association between the ...
journal_title:Melanoma research
pub_type: 杂志文章,meta分析
doi:10.1097/CMR.0000000000000246
更新日期:2016-06-01 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
abstract::Little is known on whether melanocortin 1 receptor (MC1R) associated cutaneous melanoma (CM) risk varies depending on histological subtype and body site, and whether tumour thickness at diagnosis (the most important prognostic factor for CM patients) differs between MC1R variant carriers and wild-type individuals. We ...
journal_title:Melanoma research
pub_type: 杂志文章
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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
更新日期:2011-02-01 00:00:00
abstract::For the treatment of choroidal melanoma, palladium-103 (Pd) and ruthenium-106 (Ru) plaque brachytherapy shows reduced toxicity compared with the historical standard iodine-125. No report has directly compared the clinical outcomes between Pd and Ru, and the reasons for the selection of one over the other remain purely...
journal_title:Melanoma research
pub_type: 杂志文章
doi:10.1097/CMR.0000000000000420
更新日期:2018-04-01 00:00:00