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CUDC‑101 is a potential target inhibitor for the EGFR‑overexpression bladder cancer cells.

ABSTRACT: Bladder cancer is one of the most common urological malignancies worldwide. The molecular mechanism underlying its development is complex, but its carcinogenesis has been proposed to occur with cell proliferation and resistance to apoptosis, driven by the signaling activity of abundant EGFR and receptor tyrosine‑protein kinase erbB‑2. In the present study, T24 bladder cancer cell lines with EGFR‑overexpression were constructed, before the multi‑target inhibitor CUDC‑101 was used to investigate its potential as a targeted therapeutic agent for bladder cancer using chemosensitivity methods. The results showed that CUDC‑101 induced cytotoxic effects, inhibited growth vitality and proliferation in a dose‑dependent manner. CUDC‑101 also altered the skeletal morphology and microfilament structure, while blocking cell cycle progression and causing apoptosis. These results supported the proposed cytotoxic effects of CUDC‑101, in addition to its inhibitory effects on cell division and proliferation in EGFR‑overexpressing bladder cancer cells. Therefore CUDC‑101 may to be a potential therapeutic option for the treatment of bladder cancer.

SUBMITTER: Wang Z

PROVIDER: S-EPMC10622178 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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CUDC‑101 is a potential target inhibitor for the EGFR‑overexpression bladder cancer cells.

Wang Zhenxing Z Li Lanxin L Chu Chunhong C Wei Xiangkai X Liu Qian Q Wang Rui R Zhang Guoliang G Wu Guangyao G Wang Ying Y An Lei L Li Xiaodong X

International journal of oncology 20231013 6

Bladder cancer is one of the most common urological malignancies worldwide. The molecular mechanism underlying its development is complex, but its carcinogenesis has been proposed to occur with cell proliferation and resistance to apoptosis, driven by the signaling activity of abundant EGFR and receptor tyrosine‑protein kinase erbB‑2. In the present study, T24 bladder cancer cell lines with EGFR‑overexpression were constructed, before the multi‑target inhibitor CUDC‑101 was used to investigate i ...[more]

PMID: 37830158

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Project description:Pancreatic cancer has a poor prognosis. New treatment options are urgently required to improve patient outcomes. One promising new class of anticancer drugs are synthetic histone deacetylase inhibitors (HDACi) which modulate chromatin structure and gene expression by blocking histone deacetylation. In this study, we aimed at comparing the in vitro capacities of the HDACi SAHA and CUDC-101 to increase radiosensitivity of human pancreatic tumor cell lines. Therefore, three pancreatic cancer cell lines (Su.86.86, MIA Paca-2, T3M-4) were treated with SAHA (1.5-5 µM) or CUDC-101 (0.25-3 µM) and after 24 h irradiated. Cell proliferation, clonogenic survival and apoptosis was determined. Additionally, cell lysates were investigated for the expression of apoptosis-related proteins. CUDC-101 and SAHA increased the radiation sensitivity of pancreatic tumor cell lines in a dose-dependent manner. This was evidenced by cell proliferation and clonogenic survival. Furthermore, enhanced radiation sensitivity after CUDC-101 or SAHA treatment was confirmed for Su.86.86 and T3M-4 cells in a 3-D microtissue approach. Increased amounts of subG1 cells and diminished full length PARP-1 suggest increased radiation-induced apoptosis after SAHA or CUDC-101 treatment. The comparison of both inhibitors in these assays manifested CUDC-101 as more potent radiosensitizer than SAHA. In line, western blot quantification of the apoptosis-inhibitory proteins XIAP and survivin showed a stronger down-regulation in response to CUDC-101 treatment than after SAHA application. These proteins may contribute to the synergy between HDAC inhibition and radiation response. In conclusion, these preclinical results suggest that treatment with the HDAC inhibitors CUDC-101 or SAHA can enhance radiation-induced cytotoxicity in human pancreatic cells. However, comparison of both inhibitors identified the multi target inhibitor CUDC-101 as more potent radiosensitizer than the HDAC inhibitor SAHA.

Dataset Information

CUDC‑101 is a potential target inhibitor for the EGFR‑overexpression bladder cancer cells.

Publications

CUDC‑101 is a potential target inhibitor for the EGFR‑overexpression bladder cancer cells.

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