11. Upregulation of cathepsin X in glioblastoma : interplay with γ-enolase and the effects of selective cathepsin X inhibitorsBernarda Majc, Anamarija Habič, Metka Novak, Ana Rotter, Andrej Porčnik, Jernej Mlakar, Vera Župunski, Urša Pečar Fonović, Damijan Knez, Nace Zidar, Stanislav Gobec, Janko Kos, Tamara Lah Turnšek, Anja Pišlar, Barbara Breznik, 2022, izvirni znanstveni članek Ključne besede: glioblastoma, cathepsin X, γ-enolase, tumor microenvironment, glioblastoma stem cells, cathepsin X inhibitors
Objavljeno v DiRROS: 16.07.2024; Ogledov: 128; Prenosov: 120
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13. PD-L1 expression in squamous-cell carcinoma and adenocarcinoma of the lungUrška Janžič, Izidor Kern, Andrej Janžič, Luka Čavka, Tanja Čufer, 2017, izvirni znanstveni članek Povzetek: With introduction of immunotherapy (IT) into the treatment of advanced non-small-cell lung cancer (NSCLC), a need for predictive biomarker became apparent. Programmed death ligand 1 (PD-L1) protein expression is most widely explored predictive marker for response to IT. We assessed PD-L1 expression in tumor cells (TC) and immune cells (IC) of squamous-cell carcinoma (SCC) and adenocarcinoma (AC) patients. We obtained 54 surgically resected tumor specimens and assessed PD-L1 expression by immunohistochemistry after staining them with antibody SP142 (Ventana, USA). Clinicopathological characteristics were acquired from the hospital registry database. Results were analyzed according to cut-off values of % 5% and % 10% of PD-L1 expression on either TC or IC. 29 (54%) samples were AC and 25 (46%) were SCC. PD-L1 expression was significantly higher in TC of SCC compared to AC at both cut-off values (52% vs. 17%, p = 0.016 and 52% vs. 14%, p = 0.007, respectively) no difference in PD-L1 expression in IC of SCC and AC was found. In AC alone, PD-L1 expression was significantly higher in IC compared to TC at both cut-off values (72% vs. 17%, p < 0.001 and 41% vs. 14%, p = 0.008, respectively), while no significant difference between IC and TC PD-L1 expression was revealed in SCC. Our results suggest a significantly higher PD-L1 expression in TC of SCC compared to AC, regardless of the cut-off value. PD-L1 expression in IC is high in both histological subtypes of NSCLC, and adds significantly to the overall positivity of AC but not SCC.
Ključne besede: lung cancer, squamous-cell lung cancer, adenocarcinoma, tumor cells, immune cells, PD-L1 expression
Objavljeno v DiRROS: 31.05.2024; Ogledov: 280; Prenosov: 211
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14. Primary pulmonary choricarcinomaŽiga Snoj, Igor Kocijančič, Erik Škof, 2017, pregledni znanstveni članek Povzetek: The aim of the study was to establish whether there are different clinical entities of primary pulmonary choriocarcinoma (PPC) that deserve different diagnostic approach and the most optimal treatment. Patients and methods. A systematic review with PubMed search was conducted to identify studies that reported cases of PPC. The eligibility criteria were histological diagnosis of pulmonary choriocarcinoma and thorough examination of the reproductive organs to exclude potential primary choriocarcinoma in the gonads. Furthermore, to illustrate the review we additionally present a patient referred at our institution. Results. 55 cases (17 men) were included in the review with a median age of 34 years. Women with the history of gestational event showed better survival outcome than women without the history of gestational event. Patients treated with combined modality treatment (surgery and chemotherapy) survived longer than the patients without combined modality treatment. Furthermore, multivariate analysis of prognostic factors showed that the combined modality treatment had independent prognostic significance. Size of the tumour showed significant prognostic influence in univariate and multivariate analysis. Conclusions. PPC is an extreme rarity with variable clinical characteristics and outcome. It is important to capture and treat patients in the early stages of the disease. Women with the history of gestational event may show better survival, therefore genetic examination could help us to predict patient%s prognosis. Surgery followed by adjuvant chemotherapy appears to represent the best treatment for PPC.
Ključne besede: choriocarcinoma, gestational event, pulmonary tumor, primary horiokarcinom
Objavljeno v DiRROS: 10.05.2024; Ogledov: 294; Prenosov: 125
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15. Imaging of human glioblastoma cells and their interactions with mesenchymal stem cells in the zebrafish (Danio rerio) embryonic brainMiloš Vittori, Barbara Breznik, Tajda Gredar, Katja Hrovat, Lilijana Bizjak-Mali, Tamara Lah Turnšek, 2016, izvirni znanstveni članek Ključne besede: brain tumors, tumor microenvironment, animal models, xenotransplantation
Objavljeno v DiRROS: 09.05.2024; Ogledov: 237; Prenosov: 483
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17. Prognostic value of some tumor markers in unresectable stage IV oropharyngeal carcinoma patients treated with concomitant radiochemotherapyErika Šoba, Marjan Budihna, Alojz Šmid, Nina Gale, Hotimir Lešničar, Branko Zakotnik, Primož Strojan, 2015, izvirni znanstveni članek Povzetek: The aim of the study was to investigate how the expression of tumor markers p21, p27, p53, cyclin D1, EGFR, Ki-67, and CD31 influenced the outcome of advanced inoperable oropharyngeal carcinoma patients, treated with concomitant radiochemotherapy. Patients and methods. The pretreatment biopsy specimens of 74 consecutive patients with inoperable stage IV oropharyngeal squamous cell carcinoma treated with concomitant radiochemotherapy were in retrospective study processed by immunochemistry for p21, p27, p53, cyclin D1, EGFR, Ki-67, and CD31. Disease-free survival (DFS) was assessed according to the expression of tumor markers. Results. Patients with a high expression of p21 (%10%), p27 (>50%), Ki-67 (>50%), CD31 (>130 vessels/mm2) and low expression of p53 (<10%), cyclin D1 (<10%) and EGFR (<10%) (favorable levels - FL) had better DFS than patients with a low expression of p21 (<10%), p27 (%50%), Ki-67 (%50%), CD31 (<130 vessels/mm2) and high expression of p53 (%10%), cyclin D1 (%10%) and EGFR (%10%) (unfavorable levels - UL). However, statistical significance in survival between FL and UL was achieved only for p27 and cyclin D1. DFS significantly decreased with an increasing number of markers with an unfavorable level per tumor (1%4 vs. 5%7) (78% vs. 32%, respectively; p = 0.004). The number of markers per tumor with UL of expression retained prognostic significance also in multivariate analysis. Conclusions. Statistical significance in survival between FL and UL emerged only for p27 and cyclin D1. The number of markers per tumor with UL of expression was an independent prognostic factor for an adverse outcome .
Ključne besede: oropharynx, radiochemotherapy, tumor markers
Objavljeno v DiRROS: 22.04.2024; Ogledov: 297; Prenosov: 91
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18. Segmentation of hepatic vessels from MRI images for planning of electroporation-based treatments in the liverMarija Marčan, Denis Pavliha, Maja Marolt-Mušič, Igor Fučkan, Ratko Magjarević, Damijan Miklavčič, 2014, izvirni znanstveni članek Ključne besede: electrochemotherapy, non-thermal irreversible electroporation, treatment planning, hepatic vessel segmentation, non-invasive tumor treatments, MRI of liver
Objavljeno v DiRROS: 16.04.2024; Ogledov: 306; Prenosov: 156
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19. Tumor size and effectiveness of electrochemotherapyBarbara Mali, Damijan Miklavčič, Luca Giovanni Campana, Maja Čemažar, Gregor Serša, Marko Snoj, Tomaž Jarm, 2013, izvirni znanstveni članek Ključne besede: electrochemotherapy, cutaneous tumors, effectiveness, tumor size, meta-analysis
Objavljeno v DiRROS: 22.03.2024; Ogledov: 308; Prenosov: 107
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20. Electrogene therapy with interleukin-12 in canine mast cell tumorsDarja Pavlin, Maja Čemažar, Andrej Cör, Gregor Serša, Azra Pogačnik, Nataša Tozon, 2011, izvirni znanstveni članek Ključne besede: psi, tumor, zdravljenje, elektrogenska terapija, plazmidi
Objavljeno v DiRROS: 19.03.2024; Ogledov: 298; Prenosov: 120
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