Abstract:
:Ultraviolet radiation (UVR) can play two roles: induce cellular senescence and convert skin melanocytes into melanoma. To assess whether this conversion might rely on melanocytes having to first acquire a senescent phenotype, we studied the effects of physiological doses of UVR (UVA + UVB) on quiescent melanocytes in vitro. Repeated doses of UVR induced these melanocytes into a senescent-like state. Additionally, these cells secrete exosomes with specific miRNAs that differ in quantity from those of the un-irradiated melanocytes. Many of the exosomal miRNAs that were differentially enriched regulated genes comprising a "senescence core signature" and encoding factors of the senescence-messaging secretome (SASP), while a subset of the differentially reduced miRNAs targeted DNA repair genes that have been experimentally shown to be repressed in senescent melanocytes. Thus, the selection of specific miRNAs by exosomes and their release from melanocytes after exposure to UVR have activities in inducing these cells into premature senescence.
journal_name
Pigment Cell Melanoma Resjournal_title
Pigment cell & melanoma researchauthors
Sha J,Arbesman J,Harter MLdoi
10.1111/pcmr.12888subject
Has Abstractpub_date
2020-09-01 00:00:00pages
671-684issue
5eissn
1755-1471issn
1755-148Xjournal_volume
33pub_type
杂志文章abstract::Normal cells possess a limited proliferative life span, after which they enter a state of irreversible growth arrest, called replicative senescence, which acts as a potent barrier against transformation. Transformed cells have escaped the process of replicative senescence and theoretically can not re-enter senescence....
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章,评审
doi:10.1111/j.1755-148X.2010.00820.x
更新日期:2011-04-01 00:00:00
abstract::The advent of immune checkpoint blockers and targeted therapies has changed the outcome of melanoma. However, many patients experience relapses, emphasizing the need for predictive and prognostic biomarkers. We developed a strategy based on plasmacytoid dendritic cells (pDCs) loaded with melanoma tumor antigens that a...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12618
更新日期:2018-01-01 00:00:00
abstract::Mutations within the OCA2 gene or the complete absence of the OCA2 protein leads to oculocutaneous albinism type 2. The OCA2 protein plays a central role in melanosome biogenesis, and it is a strong determinant of the eumelanin content in melanocytes. Transcript levels of the OCA2 gene are strongly correlated with pig...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章,评审
doi:10.1111/pcmr.12210
更新日期:2014-03-01 00:00:00
abstract::We have previously shown that Wnt5A-mediated signaling can promote melanoma metastasis. It has been shown that Wnt signaling is antagonized by the protein Klotho, which has been implicated in aging. We show here that in melanoma cells, expressions of Wnt5A and Klotho are inversely correlated. In the presence of recomb...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2010.00792.x
更新日期:2011-02-01 00:00:00
abstract::Transcription factors initiate programs of gene expression and are catalysts in downstream molecular cascades that modulate a variety of cellular processes. Pax3 is a transcription factor that is important in the melanocyte and influences melanocytic proliferation, resistance to apoptosis, migration, lineage specifici...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章,评审
doi:10.1111/j.1755-148X.2008.00514.x
更新日期:2008-12-01 00:00:00
abstract::A 308-nm excimer laser (EL) has been widely used to treat patients with localized vitiligo. However, data are rare on the influence of EL treatment on the risks of skin cancer. To evaluate the skin cancer risks after long-term EL treatment, we performed a nationwide population-based retrospective cohort study using th...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12781
更新日期:2019-09-01 00:00:00
abstract::Several studies observed that adiponectin, an important adipokine that improves glucose metabolism by regulating AMP-activated protein kinase (AMPK) signaling, is dermatologically beneficial. In our recent microarray data, we found that adiponectin expression was lower in lesional skin than in non-lesional skin of mel...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12596
更新日期:2017-01-01 00:00:00
abstract::The 4th international melanoma congress of the Society for Melanoma Research (SMR), organized by Marianne Berwick (University of New Mexico), Paul Chapman (Memorial Sloan-Kettering Cancer Center), Rene Gonzalez (University of Colorado) and Ze'ev Ronai (Burnham Institute), was held at the Marriott Hotel in downtown New...
journal_title:Pigment cell & melanoma research
pub_type:
doi:10.1111/j.1755-148X.2007.00437.x
更新日期:2008-02-01 00:00:00
abstract::The Melanoma Research Foundation (MRF) has charted a comprehensive assessment of the current state of melanoma research and care. Intensive discussions among members of the MRF Scientific Advisory Council and Breakthrough Consortium, a group that included clinicians and scientists, focused on four thematic areas - dia...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12475
更新日期:2016-07-01 00:00:00
abstract::Converging lines of evidence from varied scientific disciplines suggest that cutaneous melanomas comprise biologically distinct subtypes that arise through multiple causal pathways. Understanding the respective relationships of each subtype with etiologic factors such as UV radiation and constitutional factors is the ...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章,评审
doi:10.1111/j.1755-148X.2011.00880.x
更新日期:2011-10-01 00:00:00
abstract::Defining markers of different phenotypic states in melanoma is important for understanding disease progression, determining the response to therapy, and defining the molecular mechanisms underpinning phenotype-switching driven by the changing intratumor microenvironment. The ABCB5 transporter is implicated in drug-res...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12830
更新日期:2020-01-01 00:00:00
abstract::Copy number variations (CNVs) have been shown to contribute substantially to disease susceptibility in several inherited diseases including cancer. We conducted a genome-wide search for CNVs in blood-derived DNA from 79 individuals (62 melanoma patients and 17 spouse controls) of 30 high-risk melanoma-prone families w...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2012.00969.x
更新日期:2012-03-01 00:00:00
abstract::The Dark brown (DB) mutation in chickens reduces expression of black eumelanin and enhances expression of red pheomelanin, but only in certain parts of the plumage. Here, we present genetic evidence that an 8.3-kb deletion upstream of the SOX10 transcription start site is the causal mutation underlying the DB phenotyp...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2011.00825.x
更新日期:2011-04-01 00:00:00
abstract::The liver is the organ usually affected by metastatic uveal melanoma (MUM). Current treatments are almost always ineffective and mortality remains high. In this study, copy number variations (CNVs) were identified in 12 metastatic and five matched primary UMs (PUMs). Our data revealed a wide spectrum of genetic altera...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12433
更新日期:2016-01-01 00:00:00
abstract::Melanoma is the deadliest form of skin cancer; a primary driver of this high level of morbidity is the propensity of melanoma cells to metastasize. When malignant tumours develop distant metastatic lesions the new local tissue niche is known to impact on the biology of the cancer cells. However, little is known about ...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12812
更新日期:2020-01-01 00:00:00
abstract::Oncogenic BRAF mutations are more frequent in cutaneous melanoma occurring at sites with little or moderate sun-induced damage than at sites with severe cumulative solar ultraviolet (UV) damage. We studied cutaneous melanomas from geographic regions with different levels of ambient UV radiation to delineate the relati...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2011.00837.x
更新日期:2011-04-01 00:00:00
abstract::From a therapeutic standpoint, vitiligo is still regarded by many physicians as a simple problem of regenerative medicine, with the main aim to repopulate the depigmented skin with functional melanocytes from the margins of the lesions or from intact progenitors in hair follicles. However, recent research in vitiligo ...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章,评审
doi:10.1111/j.1755-148X.2011.00939.x
更新日期:2012-01-01 00:00:00
abstract::Oncogenic mutations in BRAF are common in melanoma and drive constitutive activation of the MEK/ERK pathway. To elucidate the transcriptional events downstream of (V600E)BRAF/MEK signalling we performed gene expression profiling of A375 melanoma cells treated with potent and selective inhibitors of (V600E)BRAF and MEK...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2009.00618.x
更新日期:2009-12-01 00:00:00
abstract::Two biological processes regulate light-induced skin colour change. A fast 'physiological pigmentation change' (i.e. circadian variations or camouflage) involves alterations in the distribution of pigment containing granules in the cytoplasm of chromatophores, while a slower 'morphological pigmentation change' (i.e. s...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12531
更新日期:2016-11-01 00:00:00
abstract::Bromodomain and extra-terminal inhibitors (BETi) delay tumor growth, in part, through tumor cell intrinsic alterations and initiation of anti-tumor CD8+ T-cell responses. By contrast, BETi effects on pro-tumoral immune responses remain unclear. Here, we show that the next-generation BETi, PLX51107, delayed tumor growt...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12845
更新日期:2020-03-01 00:00:00
abstract::Neurofibromatosis type 1 (NF1) is a frequent genetic disease leading to the development of Schwann cell-derived neurofibromas or melanocytic lesions called café-au-lait macules (CALMs). The molecular mechanisms involved in CALMs formation remain largely unknown. In this report, we show for the first time pathophysiolo...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12369
更新日期:2015-07-01 00:00:00
abstract::Uveal melanoma (UVM) is the most common primary intraocular malignancy in adults. With over 50% of patients developing metastatic disease, there is an unmet need for improved diagnostic and therapeutic options. Efforts to understand the molecular biology of the disease have revealed several markers that correlate with...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12810
更新日期:2020-01-01 00:00:00
abstract::Evidence on the relationship between the vitamin D pathway and outcomes in melanoma is growing, although it is not always clear. We investigated the impact of measured levels of sun exposure at diagnosis on associations of vitamin D receptor gene (VDR) polymorphisms and melanoma death in 3336 incident primary melanoma...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12653
更新日期:2018-03-01 00:00:00
abstract::Induced pluripotent stem cell (iPSC) technology offers a novel approach for conversion of human primary fibroblasts into melanocytes. During attempts to explore various protocols for differentiation of iPSCs into melanocytes, we found a distinct and self-renewing cell lineage that could differentiate into melanocytes,...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12779
更新日期:2019-09-01 00:00:00
abstract::NDRG2 (N-myc downstream-regulated gene 2) is a candidate tumor suppressor implicated in control of glioblastoma proliferation and dendritic cell differentiation. The microphthalmia-associated transcription factor (Mitf) plays a crucial role in the melanocyte lineage and in melanoma by controlling survival, differentia...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/j.1755-148X.2008.00503.x
更新日期:2008-12-01 00:00:00
abstract::RS-4-(4-Hydroxyphenyl)-2-butanol (rhododendrol, RD) was reported to induce leukoderma of the skin. To explore the mechanism underlying that effect, we previously showed that oxidation of RD with mushroom tyrosinase produces RD-quinone, which is converted to secondary quinone products, and we suggested that those quino...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12363
更新日期:2015-05-01 00:00:00
abstract::Oculocutaneous albinism type 1 (OCA1) is an autosomal recessive disorder caused by mutations in the tyrosinase gene. Two subtypes of OCA1 have been described: severe OCA1A with complete absence of tyrosinase activity and less severe OCA1B with residual tyrosinase activity. Here, we characterize the recombinant human t...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12546
更新日期:2017-01-01 00:00:00
abstract::Oncogenic BRAF and NRAS mutations drive human melanoma initiation. We used transgenic zebrafish to model NRAS-mutant melanoma, and the rapid tumor onset allowed us to study candidate tumor suppressors. We identified P38α-MAPK14 as a potential tumor suppressor in The Cancer Genome Atlas melanoma cohort of NRAS-mutant m...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12925
更新日期:2020-09-10 00:00:00
abstract::Microphthalmia-associated transcription factor (MITF) is a survival factor in melanocytes and melanoma cells. MITF regulates expression of antiapoptotic genes and promotes lineage-specific survival in response to ultraviolet (UV) radiation and to chemotherapeutics. SWI/SNF chromatin-remodeling enzymes interact with MI...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12088
更新日期:2013-05-01 00:00:00
abstract::Although L-tyrosine is well known for its melanogenic effect, the contribution of D-tyrosine to melanin synthesis was previously unexplored. Here, we reveal that, unlike L-tyrosine, D-tyrosine dose-dependently reduced the melanin contents of human MNT-1 melanoma cells and primary human melanocytes. In addition, 500 μM...
journal_title:Pigment cell & melanoma research
pub_type: 杂志文章
doi:10.1111/pcmr.12668
更新日期:2018-05-01 00:00:00