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Re:Insiders reveal major problems at lab-grown meat startup by Loughla on Sunday September 17, 2023 @07:29PM (#37550399)
>when cells are touching each other, they stop dividing.

I might be very stupid, but if this is a thing, how do we grow? Aren't, for example, bone cells always touching other cells?

Re:Insiders reveal major problems at lab-grown meat startup by xmcqdpt2 on Sunday September 17, 2023 @08:32PM (#37550832)
AFAIK the specific patterning and asymmetry of surrounding cells is what convinced the cells to form organs. The inhibition stops random cells in media from forming a big randomly configured organ, ie a tumor. Here is a paper about it,

https://febs.onlinelibrary.wiley.com/doi/pdf/10.1111/febs.14...