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A549 cells are adenocarcinomic human alveolar basal epithelial cells, and constitute a cell line that was first developed in 1972 by D. J. Giard, et al. through the removal and culturing of cancerous lung tissue in the explanted tumor of a 58-year-old caucasian male. [1]
The mutations required for immortality can occur naturally or be intentionally induced for experimental purposes. Immortal cell lines are a very important tool for research into the biochemistry and cell biology of multicellular organisms. Immortalised cell lines have also found uses in biotechnology.
This page was last edited on 23 November 2019, at 17:55 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
In lung adenocarcinoma cell line A549 overexpression of IRS-1 leads to reduced growth. Tumor infiltrating neutrophils have recently been thought to adjust tumor growth and invasiveness. Neutrophil elastase is shown to degrade IRS-1 by gaining access to endosomal compartment of carcinoma cell. IRS-1 degradation induces cell proliferation in ...
Initially derived in 1964 by Jorgen Fogh from a 44-year-old Caucasian female, HT-29 cells form a tight monolayer while exhibiting similarity to enterocytes from the small intestine. HT-29 cells overproduce the p53 tumor antigen, but have a mutation in the p53 gene at position 273, resulting in a histidine replacing an arginine.
A mutation accumulation (MA) experiment is a genetic experiment in which isolated and inbred lines of organisms (so-called MA lines) are maintained such that the effect of natural selection is minimized, with the aim of quantitatively estimating the rates at which spontaneous mutations (mutations not caused by exogenous mutagens) occur in the studied organism.
A549 cells share the same characteristics with the alveolar type II cells. This are type II pneumocytes crucial for lung homeostasis, and regeneration upon damage. For research purposes to unravel different molecular mechanisms leading to lung diseases, A549 cells serves as a good model to which translational research can be relied upon.
These cells include vulval cells as well as muscle and neurons. This research also led to the initial observations of programmed cell death, or apoptosis. After mapping various sections of the C. elegans' cell lineage, Dr. Brenner and his associates were able to piece together the first complete and reproducible fate map of cell
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