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Träfflista för sökning "WFRF:(Lazaris Andreas) "

Search: WFRF:(Lazaris Andreas)

  • Result 1-4 of 4
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1.
  • Amptoulach, Sousana, et al. (author)
  • Expression of caspase-3 predicts prognosis in advanced noncardia gastric cancer
  • 2015
  • In: Medical Oncology. - : Springer Science and Business Media LLC. - 1559-131X .- 1357-0560. ; 32:1, s. 416-416
  • Journal article (peer-reviewed)abstract
    • There is strong evidence that tumor growth is not only a result of uncontrolled cell proliferation but also of decreased apoptosis. Caspase-3 is a member of interleukin-1 beta-converting enzyme which is involved in the induction of apoptosis. Data on the expression of caspase-3 in patients with gastric cancer and its association with patient outcome are somewhat contradictory. We aimed to investigate the potential relation of the expression of caspase-3 protein with response to therapy and overall survival in patients with advanced noncardia gastric cancer. Tumor tissue samples collected from 359 consecutive patients with gastric cancer stage IV were retrospectively analyzed for the expression of caspase-3 in the primary tumor. The DNA apoptotic index assessed by the terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate-biotin nick end labeling method. All patients were followed up until death. Caspase-3 was expressed in 43.5 % of tumors. Caspase-3 expression compared to no expression was related with a higher DNA apoptotic index (p < 0.05). In multivariate analysis, tumor expression of caspase-3 was found to be an independent predictor of poor treatment response and survival (p < 0.05). Expression of caspase-3 in advanced gastric cancer is a predictor of poor response to treatment and survival. Further studies are needed to fully elucidate the prognostic value of caspase-3 expression in these patients.
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2.
  • Papalampros, Alexandros, et al. (author)
  • Unique Spatial Immune Profiling in Pancreatic Ductal Adenocarcinoma with Enrichment of Exhausted and Senescent T Cells and Diffused CD47-SIRP proportional to Expression
  • 2020
  • In: Cancers. - : MDPI AG. - 2072-6694. ; 12:7
  • Journal article (peer-reviewed)abstract
    • Background: Pancreatic ductal adenocarcinoma (PDAC) is resistant to single-agent immunotherapies. To understand the mechanisms leading to the poor response to this treatment, a better understanding of the PDAC immune landscape is required. The present work aims to study the immune profile in PDAC in relationship to spatial heterogeneity of the tissue microenvironment (TME) in intact tissues. Methods: Serial section and multiplex in situ analysis were performed in 42 PDAC samples to assess gene and protein expression at single-cell resolution in the: (a) tumor center (TC), (b) invasive front (IF), (c) normal parenchyma adjacent to the tumor, and (d) tumor positive and negative draining lymph nodes (LNs). Results: We observed: (a) enrichment of T cell subpopulations with exhausted and senescent phenotype in the TC, IF and tumor positive LNs; (b) a dominant type 2 immune response in the TME, which is more pronounced in the TC; (c) an emerging role of CD47-SIRP a axis; and (d) a similar immune cell topography independently of the neoadjuvant chemotherapy. Conclusion: This study reveals the existence of dysfunctional T lymphocytes with specific spatial distribution, thus opening a new dimension both conceptually and mechanistically in tumor-stroma interaction in PDAC with potential impact on the efficacy of immune-regulatory therapeutic modalities.
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  • Result 1-4 of 4
Type of publication
conference paper (2)
journal article (2)
Type of content
peer-reviewed (3)
other academic/artistic (1)
Author/Editor
Jagust, William J. (2)
Ossenkoppele, Rik (2)
Lazaris, Andreas C. (2)
Rabinovici, Gil D (2)
Schöll, Michael, 198 ... (2)
Lockhart, Sam (2)
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Ayakta, Nagehan (2)
O'Neil, James P (2)
Lazaris, Andreas (2)
Cantwell, Averill (2)
Baker, Suzanne L. (1)
Patsouris, Efstratio ... (1)
Kavantzas, Nikolaos (1)
Amptoulach, Sousana (1)
Giannopoulou, Ioanna (1)
Tsavaris, Nikolaos (1)
Miller, Bruce (1)
Kittas, Christos (1)
Gorgoulis, Vassilis ... (1)
Frisan, Teresa, 1967 ... (1)
Vogel, Jacob W (1)
Felekouras, Evangelo ... (1)
Pateras, Ioannis S (1)
Miller, Bruce L (1)
Iaccarino, Leonardo (1)
Bergonzini, Anna (1)
Bejanin, Alexandre (1)
Schonhaut, Daniel (1)
Baker, Suzanne (1)
Theodorou, Sofia D.P ... (1)
Ntostoglou, Konstant ... (1)
Chatzigeorgiou, Anto ... (1)
Schonhaut, Daniel R. (1)
Papalampros, Alexand ... (1)
Vailas, Michail (1)
Chiloeches, maria (1)
Sakellariou, Stratig ... (1)
Chouliari, Niki, V (1)
Samaras, Menelaos G. (1)
Veltsista, Paraskevi ... (1)
Margetis, Aggelos T. (1)
Karydakis, Lysandros (1)
Hasemaki, Natasha (1)
Havaki, Sophia (1)
Moustakas, Ioannis I ... (1)
Karamitros, Timokrat ... (1)
Patsea, Eleni (1)
Gorno-Tempini, Maril ... (1)
Miller, Zachary A. (1)
Tammewar, Gautam (1)
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University
University of Gothenburg (2)
Umeå University (1)
Lund University (1)
Karolinska Institutet (1)
Language
English (4)
Research subject (UKÄ/SCB)
Medical and Health Sciences (4)

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