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On the Horizon

Leading news, knowledge, and industry trends in genetic research

Cell models

26 result(s)

The emergence of RAS mutations is a key mechanism of acquired resistance to MAPK-pathway targeted agents in a number of cancers. The preclinical evaluation of targeted agents traditionally relies on panels of genetically unrelated cell lines grown as 2D monocultures. The heterogeneous nature of these panels makes identifying genotype-specific responses a challenge. In addition, 2D assays do not accurately mimic the tumour microenvironment and so add to the difficulty in interpreting which cellular responses to targeted agents will have relevance in vivo.


Ras mutations are amongst the most commonly occurring mutations in human cancer, present in approximately 49% of colorectal and 20% of lung cancers. Of these, mutations in K-Ras G12 and G13 are the most common. Understanding the role of mutant K-Ras in modulating drug response is critical to the successful development of novel therapeutics, and has been hampered by the lack of suitable in vitro tools.


Much information about the role of specific genes in fundamental biological processes and the onset and progression of genetic disease has been gleaned by researchers having the ability to selectively alter the genomic composition of individual genes and study the consequences. This approach enables researchers to observe the effects of a specific mutation, SNP or deletion in combination with the added layers of regulation present within the cell, including post-translational modification, epigenetic changes associated with chromatin structure, and transcriptional mechanisms.



Cell lines remain one of the most important research tools in many labs today, be it for the study of basic subcellular processes or disease biology. The cell line selection is therefore a critical first step in any research project. Here’s a number of factors to consider, as well as resources to refer to when choosing your cell line (or lines).


Whether it's a stock you've expanded following it's arrival from the cell bank, or a clone you've carefully nurtured from the single cell, banking down your cells in the right way is crucial if you're going to be able to return to them time and again, and revive them quickly so that you can get on with your experiments.