Monosomy 3 Influences Epithelial-Mesenchymal Transition Gene Expression in Uveal Melanoma Patients; Consequences for Liquid Biopsy

Despite outstanding advances in diagnosis and the treatment of primary uveal melanoma (UM), nearly 50% of UM patients develop metastases via hematogenous dissemination, driven by the epithelial-mesenchymal transition (EMT). Despite the failure in UM to date, a liquid biopsy may offer a feasible non-...

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Veröffentlicht in:International journal of molecular sciences 2020-12, Vol.21 (24), p.9651
Hauptverfasser: Soltysova, Andrea, Sedlackova, Tatiana, Dvorska, Dana, Jasek, Karin, Chokhachi Baradaran, Pooneh, Horvathova Kajabova, Viera, Demkova, Lucia, Buocikova, Verona, Kurucova, Terezia, Lyskova, Darina, Furdova, Alena, Minarik, Gabriel, Babal, Pavel, Dankova, Zuzana, Smolkova, Bozena
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container_issue 24
container_start_page 9651
container_title International journal of molecular sciences
container_volume 21
creator Soltysova, Andrea
Sedlackova, Tatiana
Dvorska, Dana
Jasek, Karin
Chokhachi Baradaran, Pooneh
Horvathova Kajabova, Viera
Demkova, Lucia
Buocikova, Verona
Kurucova, Terezia
Lyskova, Darina
Furdova, Alena
Minarik, Gabriel
Babal, Pavel
Dankova, Zuzana
Smolkova, Bozena
description Despite outstanding advances in diagnosis and the treatment of primary uveal melanoma (UM), nearly 50% of UM patients develop metastases via hematogenous dissemination, driven by the epithelial-mesenchymal transition (EMT). Despite the failure in UM to date, a liquid biopsy may offer a feasible non-invasive approach for monitoring metastatic disease progression and addressing protracted dormancy. To detect circulating tumor cells (CTCs) in UM patients, we evaluated the mRNA expression of EMT-associated transcription factors in CD45-depleted blood fraction, using qRT-PCR. ddPCR was employed to assess UM-specific , , , and mutations in plasma DNA. Moreover, microarray analysis was performed on total RNA isolated from tumor tissues to estimate the prognostic value of EMT-associated gene expression. In total, 42 primary UM and 11 metastatic patients were enrolled. All CD45-depleted samples were negative for CTC when compared to the peripheral blood fraction of 60 healthy controls. Tumor-specific mutations were detected in the plasma of 21.4% patients, merely, in 9.4% of primary UM, while 54.5% in metastatic patients. Unsupervised hierarchical clustering of differentially expressed EMT genes showed significant differences between monosomy 3 and disomy 3 tumors. Newly identified genes can serve as non-invasive prognostic biomarkers that can support therapeutic decisions.
doi_str_mv 10.3390/ijms21249651
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source MDPI - Multidisciplinary Digital Publishing Institute; MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Adult
Aged
Aged, 80 and over
Biomarkers
Biomarkers, Tumor - genetics
Biopsy
Blood
Cancer therapies
Case-Control Studies
CD45 antigen
Cell adhesion & migration
Chromosome Deletion
Chromosomes
Chromosomes, Human, Pair 3 - genetics
Clustering
Deoxyribonucleic acid
Depletion
DNA
DNA microarrays
DNA, Neoplasm - analysis
DNA, Neoplasm - genetics
Dormancy
Epithelial-Mesenchymal Transition
Female
Follow-Up Studies
Gene expression
Gene Expression Regulation, Neoplastic
Genes
Humans
Liquid Biopsy
Male
Medical prognosis
Melanoma
Melanoma - genetics
Melanoma - secondary
Melanoma - therapy
Mesenchyme
Metastases
Metastasis
Middle Aged
Monosomy
Mutation
Neoplastic Cells, Circulating - metabolism
Neoplastic Cells, Circulating - pathology
Patients
Peripheral blood
Prognosis
Proteins
Transcription factors
Tumor cells
Tumors
Uveal Neoplasms - genetics
Uveal Neoplasms - secondary
Uveal Neoplasms - therapy
title Monosomy 3 Influences Epithelial-Mesenchymal Transition Gene Expression in Uveal Melanoma Patients; Consequences for Liquid Biopsy
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