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    Wyświetlanie 1-3 z 3
    Tytuł:
    Immunohistochemical Fascin-1 expression correlate with lymph node and distant metastases in pancreatic ductal adenocarcinoma
    Autorzy:
    Pryczynicz, A.
    Nizioł, M.
    Miniewska, K.
    Kamińska, D.
    Kuczyńska, P.
    Zińczuk, J.
    Zaręba, K.
    Guzińska-Ustymowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1918748.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    Fascin-1
    metastases
    pancreatic ductal adenocarcinoma
    Opis:
    Introduction: Pancreatic cancer is characterized by its aggressiveness and poor prognosis. Furthermore, mortality is one of the highest among all types of cancers. It has been observed that the expression of Fascin-1 (the actin-bundling protein which enables the motility of cells) is higher in cancer cells and is correlated with invasiveness and metastasis. Purpose: To investigate the expression of Fascin-1 in histopathological specimens from patients treated for pancreatic cancer and its relationship with histopathological parameters. Materials and methods: The study was performed on a group of 52 patients diagnosed with pancreatic cancer in the Medical University of Bialystok Clinical Hospital. The expression of Fascin-1 was evaluated in tissue samples using the immunohistochemical method and was rated as “present” or “absent”. The analysis of histopathological parameters was performed in correlation with Fascin-1 expression. Results: Fascin-1 expression was observed in the cytoplasm of cancer cells in 42/52 cases (80.8%). Fascin-1 expression occurred more frequently among patients with lymph node metastases (92.6%) than without this type of metastases (68%) (p=0.024). Likewise, the expression of the investigated protein was observed more often with the presence of distant metastases (100%) than without those metastases (74.4%) (p=0.043). There were no statistically significant differences about age, sex, histological type of cancer, grade of histological differentiation, desmoplasia, inflammatory infiltration, foci of hemorrhage, necrosis, and MVD. Conclusion: The expression of Fasicn-1 is correlated with the presence of metastases and can be a useful marker of pancreatic cancer involvement.
    Źródło:
    Progress in Health Sciences; 2018, 8(2); 124-130
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Expression of EpCAM protein in gastric cancer cells may contribute to its histogenesis
    Autorzy:
    Nizioł, M.
    Kuczyńska, P.
    Misiura, M.
    Zińczuk, J.
    Zaręba, K.
    Ustymowicz, W.
    Ćwiklińska-Dworakowska, M.
    Baszun, M.
    Jelski, S.
    Guzińska-Ustymowicz, K.
    Pryczynicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1918619.pdf
    Data publikacji:
    2018-06-18
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    Adhesion
    EpCAM
    gastric cancer
    Opis:
    Introduction: EpCAM protein belongs to adhesion molecules of epithelial cells. It mediates in the homophile adhesion cell-cell reactions. EpCAM protein expression can be observed in the majority of healthy normal cells. However, mutations in EpCAM gene may lead to an increased risk of cancer development. The aim of the study was to assess EpCAM protein expression in the correlation with chosen clinical and histological parameters in gastric cancer. Materials and Methods: EpCAM protein expression was evaluated immunohistochemically in 88 patients diagnosed with gastric cancer. Results: An increase in EpCAM protein expression was demonstrated in cancer cells compared to normal gastric mucosa (59.3% cancers with the positive expression of EpCAM protein). The increased EpCAM protein expression was observed in patients with a histological type of adenocarcinoma without a mucinous component than in those with adenocarcinoma with a mucinous component (p=0.028). The higher expression of this protein was observed also in the intestinal type according to the Lauren classification (p=0.037). The expression of the protein was lower in the diffuse type of cancer. Additionally, an increase in EpCAM protein expression was revealed in cancers infiltrating to the blood vessels (p=0.013). Conclusions: A correlation between EpCAM expression and adenocarcinoma without a mucinous component as well as the intestinal type according to the Lauren classification may prove a role of this protein in the histogenesis of gastric cancer. Moreover, its positive expression is related to cancerous cells infiltrating to the blood vessels, which may suggest a role of EpCAM protein in the early stages of gastric cancer metastases.
    Źródło:
    Progress in Health Sciences; 2018, 8(1); 74-79
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Significance of mucin expression in pancreatic intraepithelial neoplasia (PanIN) – precursor lesions of pancreatic ductal adenocarcinoma (PDAC)
    Autorzy:
    Zińczuk, J.
    Zaręba, K.
    Pryczynicz, A.
    Kuczyńska, P.
    Boroń, Z.
    Ustymowicz, W.
    Maciorkowska, M.
    Ćwiklińska-Dworakowska, M.
    Baszun, M.
    Jelski, S.
    Guzińska-Ustymowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1918638.pdf
    Data publikacji:
    2018-06-18
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    Mucin
    immunohistochemistry
    pancreatic intraepithelial neoplasia
    PanIN
    Opis:
    Purpose: To evaluate chosen mucins (mucin 1, 4, 5AC) expression in pancreatic intraepithelial neoplasia, which is a precursor lesion of pancreatic ductal adenocarcinoma. Materials and methods: The study group included 70 patients operated on due to inflammation, cysts and pancreatic ductal adenocarcinoma with pancreatic intraepithelial neoplasia revealed additionally. Mucin 1, 4 and 5AC expression was assessed by immunohistochemical method using polyclonal antibodies. Results: Statistical analysis proved a positive correlation between the expression of mucin 1, 4 and 5AC proteins and the presence and staging of pancreatic intraepithelial neoplasia (p<0.001). Statistically significant correlations were determined between mucin 1, 4 and 5AC and the location of PanIN lesion in the pancreas. Positive correlations were found between mucin 5AC expression and the type of a basic disease (p=0.014). Differences in the expression of MUC 1, 4 and 5AC proteins between healthy pancreatic ducts and various stages of pancreatic intraepithelial neoplasia were statistically significant (p<0.001). Conclusions: Overexpression of mucin 1, 4 and 5AC is related to the presence of pancreatic intraepithelial neoplasia. This suggests that overproduction of mucus is a phenomenon occurring early in the process of carcinogenesis in the pancreas and has its beginning in precancerous lesions of an early stage.
    Źródło:
    Progress in Health Sciences; 2018, 8(1); 63-73
    2083-1617
    Pojawia się w:
    Progress in Health Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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