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Cisplatin resistance is still one of the main reasons for failure of clinical therapy for cervical cancer. But the underlying molecular mechanisms involved in cisplatin resistance of cervical cancer have still remained unclear. Recent studies reported that long noncoding RNAs (lncRNAs) are novel nonprotein-coding transcripts, which might play a key role in cancer biogenesis and prognosis. One of the lncRNAs, urothelial cancer associated 1 (UCA1), has been shown to promote different types of cancer cell proliferation, migration, and invasion. This study showed that overexpression of UCA1 confers cisplatin resistance by promoting cancer cell proliferation and inhibiting apoptosis. In addition, knockdown of UCA1 remarkably decreased cisplatin resistance in cervical cancer cells. Moreover, results also indicated that UCA1 was involved in signaling pathways modulating cell apoptosis and proliferation. UCA1 suppressed apoptosis by downregulating caspase 3 and upregulating CDK2, whereas enhanced cell proliferation by increased level of survivin and decreased level of p21. This study reports for the first time that UCA1 might play an important role in the cisplatin resistance in cervical cancer, and also explain partially how UCA1 promotes cisplatin resistance in cancer cells. These results provide evidence to support that UCA1 can be used as a potential target for a novel therapeutic strategy for cervical cancer.
This article was published in the following journal.
Name: Cancer biotherapy & radiopharmaceuticals
ZFAS1 is a newly identified long noncoding RNA (lncRNA) that promotes tumor growth and metastasis. Exosomes mediate cellular communications in cancer by transmitting active molecules. The presence of ...
Neoadjuvant chemotherapy with methotrexate-vinblastine-doxorubicin-cisplatin (MVAC) is the standard of care for muscle-invasive urothelial bladder cancer. Gemcitabine plus cisplatin (GC) shows similar...
Increasing evidence indicates that long noncoding RNAs (lncRNAs) have important roles in various physiological processes and dysfunction of lncRNAs could be a prevalent cause in human diseases. Here w...
The colorectal neoplasia differentially expressed (CRNDE) gene is a long noncoding RNA (lncRNAs) that is upregulated in colorectal cancer and glioma. Here, we investigated the regulatory function of C...
The aims of this study were to investigate the functions of GAS5 as a tumor suppressor in cervical cancer and explore the mechanism.
This randomized phase II trial studies how well cisplatin and gemcitabine hydrochloride with or without ATR kinase inhibitor VX-970 works in treating patients with urothelial cancer that h...
This study will evaluate the efficacy and safety of a chemotherapy regimen of intravenous Herceptin, cisplatin and gemcitabine in patients with metastatic urothelial cancer. The anticipate...
The primary objective of this nonrandomized Phase II study is to evaluate the objective response rate (ORR, CR+PR) in patients with advanced/metastatic UC treated with the combination of g...
This is a phase 1b/2 study to evaluate the safety and efficacy of metronomic combination therapy in subjects with urothelial cancer who have progressed on or after chemotherapy and anti- P...
To assess the anti-tumor activity, as measured by response rate to bi-weekly pemetrexed plus cisplatin, in chemo-naive patients with diagnosed metastatic or locally advanced (non-resectabl...
An inorganic and water-soluble platinum complex. After undergoing hydrolysis, it reacts with DNA to produce both intra and interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity of cisplatin correlates with cellular arrest in the G2 phase of the cell cycle.
A class of untranslated RNA molecules that are typically greater than 200 nucleotides in length and do not code for proteins. Members of this class have been found to play roles in transcriptional regulation, post-transcriptional processing, CHROMATIN REMODELING, and in the epigenetic control of chromatin.
A transcription factor characterized by N-terminal and C-terminal CYS2-HIS2 ZINC FINGERS separated by a homeobox. It represses the expression of E-CADHERIN to induce the EPITHELIAL-MESENCHYMAL TRANSITION. It also represses PROTO-ONCOGENE PROTEINS C-BCL-6; regulates the cell type-specific expression of SODIUM-POTASSIUM-EXCHANGING ATPASE; and promotes neuronal differentiation.
Tumor suppressor genes located in the 5q21 region on the long arm of human chromosome 5. The mutation of these genes is associated with the formation of colorectal cancer (MCC stands for mutated in colorectal cancer).
A cancer registry mandated under the National Cancer Act of 1971 to operate and maintain a population-based cancer reporting system, reporting periodically estimates of cancer incidence and mortality in the United States. The Surveillance, Epidemiology, and End Results (SEER) Program is a continuing project of the National Cancer Institute of the National Institutes of Health. Among its goals, in addition to assembling and reporting cancer statistics, are the monitoring of annual cancer incident trends and the promoting of studies designed to identify factors amenable to cancer control interventions. (From National Cancer Institute, NIH Publication No. 91-3074, October 1990)
Cancer is not just one disease but many diseases. There are more than 100 different types of cancer. Most cancers are named for the organ or type of cell in which they start - for example, cancer that begins in the colon is called colon cancer; cancer th...
Cervical cancer is a malignant neoplasm of the cervix uteri or cervical area. Symptoms include vaginal bleeding, but may not present until later stages of the cancer. Cervical cancer can be treated using surgery (including local excision) in early stages...
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