Abstract:
:Sulforaphane (SFN) was first isolated from broccoli sprout and it is present at high concentrations in plants belonging to the Cruciferae family. The chemotherapeutic and anti‑cancerogenic capacities of SFN have been demonstrated by inhibition of cancer cell proliferation in several cancer cell lines. The aim of the present study was to evaluate the effect of SFN on apoptosis, cell cycle and expression of selected cell cycle‑associated proteins: Cyclin B1, cyclin D1 and cyclin K in the H1299 cell line. The non‑small cell lung cancer cell line H1299 was treated with increasing concentrations of SFN (5, 10 and 15 µM) for two days. After incubation, the percentage of cells in the individual cell cycle phases, as well as the percentage of necrotic and apoptotic cells, were estimated using flow cytometry. The expression of cyclins was examined by immunofluorescence staining, flow cytometry, western blot analysis and qRT‑PCR. Cyclin K was characterized by nuclear localization and increased expression after treatment with SFN. The expression data were confirmed by qRT‑PCR. SFN‑induced cell cycle arrest was associated with a decrease in cyclin B1 expression. Cells treated with SFN were also characterized by higher cyclin D1 and cyclin K expression. These data suggest the involvement of cyclin K in response to SFN. Moreover, we investigated the prognostic value of cyclin K, CDK12 and CDK13 in adenocarcinoma patients using 'The Kaplan‑Meier plotter' (KM plotter) database. It was shown that high expression of CDK12 and CDK13 but no cyclin K proteins is associated with worse overall survival among adenocarcinoma patients.
journal_name
Oncol Repjournal_title
Oncology reportsauthors
Żuryń A,Krajewski A,Klimaszewska-Wiśniewska A,Grzanka A,Grzanka Ddoi
10.3892/or.2018.6919subject
Has Abstractpub_date
2019-02-01 00:00:00pages
1313-1323issue
2eissn
1021-335Xissn
1791-2431journal_volume
41pub_type
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