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A mix-up rated as contamination could in reality be a simple confusion of two cell lines, but usually contamination is assumed. [citation needed] After a cell line has been discovered to be contaminated, it is usually never used again for research demanding the specific type of cell line they were assumed to be.
NCI/ADR-RES appears to have been derived at some point in time from cell line OVCAR-8. [8] Originally the cell line was named MCF-7/ADR-RES; it was renamed together with the change in classification. [8] Two brain cancer cell lines, SNB-19 and U251, were discovered to come from the same person. [9] This makes a mixup likely.
Primary cell culture is the ex vivo culture of cells freshly obtained from a multicellular organism, as opposed to the culture of immortalized cell lines.In general, primary cell cultures are considered more representative of in vivo tissues than cell lines, and this is recognized legally in some countries such as the UK (Human Tissue Act 2004). [1]
A cell culture assay is any method used to assess the cytotoxicity of a material. [1] [2] This refers to the in vitro assessment of a material to determine whether it releases toxic chemicals in the cell. It also determines if the quantity is sufficient to kill cells, either directly or indirectly, through the inhibition of cell metabolic pathways.
Cell culture is a fundamental component of tissue culture and tissue engineering, as it establishes the basics of growing and maintaining cells in vitro. The major application of human cell culture is in stem cell industry, where mesenchymal stem cells can be cultured and cryopreserved for future use. Tissue engineering potentially offers ...
Like other cancers there are advantages and disadvantages to screening for breast cancer, with risks of harm by overdiagnosis, a possibility of radiation-induced cancer and false positives. From organized programmes it is estimated that 20% of women with 10 screens from ages 50 to 70 will get a false positive result, less than 5% of these cases ...
Ames test procedure. The Ames test is a widely employed method that uses bacteria to test whether a given chemical can cause mutations in the DNA of the test organism. More formally, it is a biological assay to assess the mutagenic potential of chemical compounds. [1]
High-content screening technology allows for the evaluation of multiple biochemical and morphological parameters in intact biological systems. For cell-based approaches the utility of automated cell biology requires an examination of how automation and objective measurement can improve the experimentation and the understanding of disease.