نتایج جستجو برای: cisplatin resistance
تعداد نتایج: 398901 فیلتر نتایج به سال:
Cisplatin is widely used for the treatment of solid tumors, including small cell lung cancers, but its success is often compromised due to relapse and resistance to further treatment. p70 ribosomal S6 kinase (p70S6K) has been shown to be upregulated in lung cancer cells. In the present study, we investigated whether the p70S6K pathway contributes to cisplatin resistance in human small cell lung...
Cisplatin is commonly used as a chemotherapeutic agent for hepatocellular carcinoma (HCC). However, it cannot satisfactorily improve the survival rate for patients with advanced HCC due to intrinsic or acquired drug resistance caused by multidrug resistance-associated proteins (MRPs). To clarify whether or not glycyrrhizin and lamivudine have modulator effects on HCC treated with cisplatin, we ...
The therapeutic potential of cisplatin, one of the most active and widely used anticancer drugs, is severely limited by the occurrence of cellular resistance. In this study, using budding yeast Saccharomyces cerevisiae as a model organism to identify novel drug resistance genes, we found that disruption of the yeast gene SKY1 (serine/arginine-rich protein-specific kinase from budding yeast) by ...
Acquisition of platinum resistance following first line platinum/taxane therapy is commonly observed in ovarian cancer patients and prevents clinical effectiveness. There are few options to prevent platinum resistance; however, demethylating agents have been shown to resensitize patients to platinum therapy thereby demonstrating that DNA methylation is a critical contributor to the development ...
Cisplatin is a chemotherapeutic drug used to treat a variety of cancers. Both intrinsic and acquired resistance to cisplatin, as well as toxicity, limit its effectiveness. Molecular mechanisms that underlie cisplatin resistance are poorly understood. Here we demonstrate that deletion of the yeast CTR1 gene, which encodes a high-affinity copper transporter, results in increased cisplatin resista...
Cytotoxic chemotherapy agents (e.g., cisplatin) are the first-line drugs to treat non-small cell lung cancer (NSCLC) but NSCLC develops resistance to the agent, limiting therapeutic efficacy. Despite many approaches to identifying the underlying mechanism for cisplatin resistance, there remains a lack of effective targets in the population that resist cisplatin treatment. In this study, we soug...
Background Long noncoding RNAs (lncRNAs) have been shown to be involved in the mechanism of cisplatin resistance in lung adenocarcinoma (LAD). However, the roles of lncRNAs in cisplatin resistance in LAD are not well understood. Methods We used a high-throughput microarray to compare the lncRNA and mRNA expression profiles in cisplatin resistance cell A549/DDP and cisplatin sensitive cell A54...
Resistance to cisplatin-based therapy is a major cause of treatment failure in human ovarian cancer. A better understanding of the mechanisms of cisplatin resistance will offer new insights for novel therapeutic strategies for this deadly disease. Akt and p53 are determinants of cisplatin sensitivity. Rictor is a component of mTOR protein kinase complex 2, which is required for Akt phosphorylat...
The resistance of tumor cells to chemotherapeutic agents, such as cisplatin,is an important problem to be solved in cancer chemotherapy. One of the mechanisms associated with cisplatin resistance is nucleotide excision repair (NER). There are two pathways in NER, transcription-coupled NER (TC-NER) and global genome NER (GG-NER). Here, we report that TC-NER-deficient cells [xeroderma pigmentosum...
Osteosarcoma (OS) is the most common form of malignant bone tumor and is an aggressive malignant neoplasm exhibiting osteoblastic differentiation. Cisplatin is one of the most efficacious antitumor drugs for osteosarcoma patients. However, treatment failures are common due to the development of chemoresistance. CCN2 (also known as CTGF), is a secreted protein that binds to integrins, modulates ...
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