Human Cancer Cell Lines Fact And Fantasy PdfBy Eligpronsof1978 In and pdf 26.05.2021 at 15:41 3 min read
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- Identification of Tamoxifen-Resistant Breast Cancer Cell Lines and Drug Response Signature
- Isogenic human disease models
- Human cancer cell lines: fact and fantasy
Hundreds of misleading reports are published every year containing data on human cancer cell lines that are derived from some other species, tissue or individual to that claimed. In consequence, millions of dollars provided for cancer research are being spent on the production of misleading data.
Identification of Tamoxifen-Resistant Breast Cancer Cell Lines and Drug Response Signature
Isogenic human disease models are a family of cells that are selected or engineered to accurately model the genetics of a specific patient population, in vitro. They are provided with a genetically matched 'normal cell' to provide an isogenic system to research disease biology and novel therapeutic agents. Cancer is one such disease for which isogenic human disease models have been widely used. Human isogenic disease models have been likened to 'patients in a test-tube', since they incorporate the latest research into human genetic diseases and do so without the difficulties and limitations involved in using non-human models. Historically, cells obtained from animals, typically mice, have been used to model cancer-related pathways. However, there are obvious limitations inherent in using animals for modelling genetically determined diseases in humans.
Isogenic human disease models
Breast cancer cell lines are frequently used to elucidate the molecular mechanisms of the disease. However, a large proportion of cell lines are affected by problems such as mislabeling and cross-contamination. Therefore, it is of great clinical significance to select optimal breast cancer cell lines models. Using tamoxifen survival-related genes from breast cancer tissues as the gold standard, we selected the optimal cell line model to represent the characteristics of clinical tissue samples. Moreover, using relative expression orderings of gene pairs, we developed a gene pair signature that could predict tamoxifen therapy outcomes. Our results indicate that the cell line model from dataset GSE provides a good representation of the characteristics of clinical tissue samples; thus, it will be a good choice for the selection of drug-resistant and drug-sensitive breast cancer cell lines in the future. Moreover, our signature could predict tamoxifen treatment outcomes in breast cancer patients.
Morcos, Solange Landreville, Sylvain L. Purpose : Development of liver metastasis remains the most common cause of mortality in uveal melanoma UM. A few cell lines cultured from primary UM tumors have been used widely to investigate the pathobiology of UM. However, the translation of basic knowledge to the clinic for the treatment of the metastatic disease has remained incremental at best. In this study, we examined whether the properties of UM cell lines at various passages were similar to their corresponding primary tumors. Methods : Gene expression profiling by microarray was performed on UM primary tumors and derived cell lines cultured at varying passages.
Human cancer cell lines: fact and fantasy
Oncotarget a primarily oncology-focused, peer-reviewed, open access, biweekly journal aims to maximize research impact through insightful peer-review; eliminate borders between specialties by linking different fields of oncology, cancer research and biomedical sciences; and foster application of basic and clinical science. Its scope is unique. The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. The term was introduced in the inaugural Editorial , Introducing OncoTarget. Sponsored Conferences.
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