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001-es BibID:BIBFORM058659
Első szerző:Kiss Tímea (molekuláris biológus)
Cím:The role of osteopontin expression in melanoma progression / Timea Kiss, Szilvia Ecsedi, Laura Vizkeleti, Viktoria Koroknai, Gabriella Emri, Nora Kovács, Roza Adany, Margit Balazs
Dátum:2015
ISSN:1010-4283
Megjegyzések:It was shown that osteopontin (OPN), a glycophosphoprotein, plays divergent roles in cancer progression. In addition to multiple intra- and extracellular functions, it facilitates migration of tumour cells, has crucial role in cell adhesion and is associated with increased metastasis formation. In previous studies, we performed global gene expression profiling on a series of primary melanoma samples and found that OPN was significantly overexpressed in ulcerated melanomas. The major purpose of this study was to define OPN expression in primary melanomas with differing biological behaviours. OPN mRNA expression was analysed by quantitative reverse transcription polymerase chain reaction (qRT-PCR) in primary melanoma tissues. Immunohistochemistry was performed using a tissue microarray. Cox regression tests were used for survival analysis. Greater than 50 % of the tissues exhibited high protein expression that was significantly associated with tumour thickness and metastasis. OPN mRNA expression was significantly increased in thicker melanomas and lesions with an ulcerated surface. Increased expression was primarily detected in advanced-stage tumours. A multivariate Cox regression analysis revealed that high OPN expression, tumour thickness and metastasis were significantly associated with reduced relapse-free survival. In summary, high OPN mRNA and protein expression were associated with a less favourable clinical outcome of primary melanoma patients. We determined that OPN is a significant predictive factor for the survival of primary melanoma patients. Based on our and others data, the high expression of OPN may have a crucial stimulatory role in tumour progression and metastasis formation, which, thus, have been proposed as potential targets for cancer diagnosis and therapy
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Melanoma progression
Osteopontin
Protein expression
Tissue microarray
Megjelenés:Tumor Biology. - 36 : 10 (2015), p. 7841-7847. -
További szerzők:Ecsedi Szilvia (1982-) (molekuláris biológus, genetikus) Vízkeleti Laura (1984-) (molekuláris biológus, genetikus) Koroknai Viktória (1986-) (molekuláris biológus) Emri Gabriella (1972-) (bőrgyógyász, allergológus, onkológus) Kovács Nóra (1989-) (népegészségügyi szakember) Ádány Róza (1952-) (megelőző orvostan és népegészségtan szakorvos) Balázs Margit (1952-) (sejtbiológus, molekuláris genetikus)
Pályázati támogatás:K112327
OTKA
TÁMOP-4.2.2/B-10/1-2010-0024
TÁMOP
Egészségtudományok Doktori Iskola
4.2.4.A/2-11/1-2012-0001
TÁMOP
TÁMOP-4.2.2.A-11/1/KONV-2012-0031
TÁMOP
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001-es BibID:BIBFORM041229
Első szerző:Vízkeleti Laura (molekuláris biológus, genetikus)
Cím:The role of CCND1 alterations during the progression of cutaneous malignant melanoma / Vízkeleti Laura, Ecsedi Szilvia, Rákosy Zsuzsa, Orosz Adrienn, Lázár Viktória, Emri Gabriella, Koroknai Viktória, Kiss Tímea, Ádány Róza, Balázs Margit
Dátum:2012
ISSN:1010-4283
Megjegyzések:It is well demonstrated that CCND1 amplification is a frequent event in the acral subtype of cutaneous malignant melanoma; however, its role in the other subtypes of the disease is still controversial. The objectives of this study were to evaluate genetic and expression alterations of CCND1 with a focus on primary cutaneous melanomas, to define BRAF and NRAS mutation status, and correlate the data with clinical-pathological parameters. CCND1 amplification was associated with ulceration and the localization of the metastasis. After correction for the mutation state of BRAF and NRAS genes, CCND1 amplification in samples without such mutations was associated with ulceration and sun exposure. The cyclin D1 (CCND1) mRNA level decreased in lesions with multiple metastases and was correlated with both the mRNA levels and mutation state of BRAF and NRAS genes. Primary melanomas with BRAF(V600) or NRAS(Q61 ) mutations exhibited lower CCND1 mRNA level. CCND1 protein expression was associated with Breslow thickness, metastasis formation, and shorter survival time. These observations suggest that CCND1 alterations are linked to melanoma progression and are modified by BRAF and NRAS mutations. Our data show that CCND1 amplification could have a prognostic relevance in cutaneous melanoma and highlight that altered CCND1 gene expression may influence the metastatic progression, survival, and the localization of metastases.
Tárgyszavak:Orvostudományok Egészségtudományok idegen nyelvű folyóiratközlemény külföldi lapban
Cutaneous melanoma
CCND1
BRAFV600 mutations
NRASQ61 mutations
Megjelenés:Tumor Biology. - 33 : 6 (2012), p. 2189-2199. -
További szerzők:Ecsedi Szilvia (1982-) (molekuláris biológus, genetikus) Rákosy Zsuzsa (1978-) (sejtbiológus, molekuláris biológus, genetikus) Orosz Adrienn Lázár Viktória (1981-) (molekuláris biológus) Emri Gabriella (1972-) (bőrgyógyász, allergológus, onkológus) Koroknai Viktória (1986-) (molekuláris biológus) Kiss Tímea (1986-) (molekuláris biológus) Ádány Róza (1952-) (megelőző orvostan és népegészségtan szakorvos) Balázs Margit (1952-) (sejtbiológus, molekuláris genetikus)
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
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