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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:
    Assessment of the presence of pancreatic intraepithelial neoplasia in various diseases of this organ
    Autorzy:
    Zińczuk, J.
    Zaręba, K.
    Konarzewska-Duchnowska, E.
    Guzińska-Ustymowicz, K.
    Kędra, B.
    Kemona, A.
    Pryczynicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1918553.pdf
    Data publikacji:
    2017-11-12
    Wydawca:
    Uniwersytet Medyczny w Białymstoku
    Tematy:
    pancreatic intraepithelial neoplasia
    PanIN
    pancreatic ductal adenocarcinoma
    pancreatic cancer
    chronic pancreatitis
    Opis:
    Purpose: Pancreatic intraepithelial neoplasia (PanIN) is one of the most commonly occurring precancerous lesion in pancreas which leads to development of pancreatic ductal adenocarcinoma (PDAC). We assessed the presence and grade of pancreatic intraepithelial neoplasia in the course of various diseases of the pancreas and its correlations with chosen clinicopathological parameters. null Results: A total of 276 foci of PanIN were identified in 94 patients. The most common lesions were PanIN 1a and PanIN 1b which together constituted 68.2 % of all lesions, whereas the PanIN 2 was present in 21.7% and PanIN 3 in 10.1% of patients. No statistical differences were observed in gender tendency for the development of PanINs. There was correlation between age of patients and degree of PanIN (p=0.034). There is no statistical difference in PanIN frequency among patients with pancreatic ductal adenocarcinomas, neuroendocrine tumors, chronic pancreatitis and pancreatic cysts (p=0.592). Conclusions: Our study showed that important factor in development of pancreatic intraepithelial neoplasia is age and the presence of PanIN in nonneoplastic diseases in older people should be included to the group with increased risk of cancer development.
    Źródło:
    Progress in Health Sciences; 2017, 7(2); 43-49
    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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