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Wyszukujesz frazę "Non-small cell lung cancer" wg kryterium: Wszystkie pola


Wyświetlanie 1-3 z 3
Tytuł:
Differential Notch1 and Notch2 expression in non-small cell lung cancer
Autorzy:
Pancewicz, J.
Bernatowicz, P.L.
Powiązania:
https://bibliotekanauki.pl/articles/1918837.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
NOTCH1
NOTCH2
NSCLC
HBEpC
Opis:
Introduction: NOTCH signaling can be deregulated in non-small cell lung cancer and can have oncogenic or tumor suppressive functions. NOTCH1 is regulated equally with NOTCH2, and the stability of the expression of those Notch receptors could determine the biological functions of lung cancer cells. Purpose: To estimate expression level of NOTCH2 receptor in diverse NSCLC cell lines. Furthermore, we compared the mRNA level of NOTCH2 expression to the level of NOTCH1 expression. Materials and methods: We have evaluated the mRNA manifestation of NOTCH1 and NOTCH2 genes by using quantitative real time method (RT-PCR). Moreover, we associated the results from NSCLC cells with results achieved in non-cancerous human bronchial epithelial cells (HBEpC). Results: The expression level of NOTCH1 and NOTCH2 was downregulated in NSCLC cell lines, when related to HBEpC. Nevertheless, the decrease in NOTCH1 expression was significant, whereas NOTCH2 was not much different from the expression in control cells. Conclusions: We conclude that NOTCH1 and NOTCH2 most likely have different biological function in NSCLC. They are active in NSCLC cell lines; nonetheless both are downregulated in lung cancer cells used in this study. Moreover, NOTCH2 expression is comparatively higher than NOTCH1 expression.
Źródło:
Progress in Health Sciences; 2019, 1; 8-12
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The current state of knowledge on small cell and non-small cell lung cancer and the position of durvalumab immunotherapy in lung cancer treatment
Autorzy:
Poboży, Kamil
Domańska, Julia
Domański, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/3200762.pdf
Data publikacji:
2023-01-24
Wydawca:
Medical Education
Tematy:
PD-L1
immunotherapy
durvalumab
neoplasm
oncology
SCLC
NSCLC
Opis:
Lung cancer is the second most frequently diagnosed cancer and the leading cause of cancer-related deaths in the world. These statistics make lung cancer one of the most important targets for modern medicine. The identification of multiple risk factors, including tobacco smoking, has been fundamental in understanding the disease. Late-stage detection is a significant contributor to the high mortality rate of lung cancer. Nonetheless, the role of screening is still debatable. The selection of therapy is primarily based on distinguishing between small-cell and non-small cell lung cancer. Despite the major differences in treatment, in both types in specific situations the treatment involves durvalumab – a monoclonal antibody targeting the programmed cell death ligand 1 molecule, which is often present on tumor cells and protects them against the patient’s immune system. The efficacy of durvalumab has been demonstrated in two randomized, multicenter clinical trials. The aim of this study is to summarize the current state of knowledge about lung cancer and durvalumab. Despite the current 5-year survival rate of 19% in lung cancer, the development of immunotherapeutics such as durvalumab may be the key to improving the unfavorable prognosis of lung cancer in the future.
Źródło:
OncoReview; 2022, 12, 4; 75-82
2450-6125
Pojawia się w:
OncoReview
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Human bronchial epithelial cells as a good control for evaluation potential therapeutic Notch signaling in non-small cell lung cancer
Autorzy:
Pancewicz, J.
Bernatowicz, P.L.
Golec, P.
Powiązania:
https://bibliotekanauki.pl/articles/1918632.pdf
Data publikacji:
2018-06-18
Wydawca:
Uniwersytet Medyczny w Białymstoku
Tematy:
Notch
NSCLC
HBEpC
Opis:
Purpose: Notch signaling is often deregulated in non-small cell lung cancer (NSCLC), but little is known about the initial endogenous mRNA status of Notch ligands and receptors. Therefore, the aim of this study was to evaluate expression level of NOTCH1 receptor and Notch ligands, such as delta like ligands (DLL1, DLL3, DLL4), and jagged ligands (JAG1, JAG2), as well as target gene-hes family bHLH transcription factor 1 (HES1) in diverse NSCLC cell lines. Materials and Methods: We have investigated the mRNA expression of chosen genes by using quantitative real time method (RT-PCR). We compared the results from NSCLC cells with results obtained in non-cancerous human bronchial epithelial cells (HBEpC). We also measured NOTCH1 expression in A549 cells, before and after treatment with γ-secretase inhibitor (GSI). Results: The expression level of NOTCH1, HES1, JAG1 and JAG2 was downregulated when compared to HBEpC. The expression of Notch ligand DLL1 was lower in all cancer cell lines, but mRNA level of DLL3 was elevated in H1299 and A549 cells when related to HBEpC. The mRNA level of DLL4 was higher in H520 and in A549 cell lines. Moreover, the mRNA level of NOTCH1 dropped down after GSI treatment, in addition A549 cells proliferated slower after drug implementation. Conclusions: We conclude that non-cancerous HBEpC cells could serve as a good control for Notch mRNAs expression analysis in NSCLC. Moreover, GSI-treated cells could inhibit proliferation through suppressing NOTCH1 in A549 cells. Keywords: Notch, NSCLC, HBEpC
Źródło:
Progress in Health Sciences; 2018, 8(1); 7-13
2083-1617
Pojawia się w:
Progress in Health Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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