Are cancer cells, including breast cancer, "Immortalised cell lines"?
This is my ONLY account! What are you talking about?
- sparrowLv 71 month agoFavorite Answer
Certain cancer cells are able to repair and lengthen their own telomeres, which are basically protective layers of nucleotides at the end of the DNA strand. Every time a normal cell replicates, some of the telomere is lost, and eventually, the DNA strand shortens, until part of the actual genetic code gets lost. (you lose your telomeres, and it starts eating into the actual DNA strand, itself)
Too bad we can't genetically engineer people to be able to keep their telomeres long, because then it would lengthen our lives. This is what Google has to say about telomeres:"Telomeres also play an important role in making sure our DNA gets copied properly when cells divide. Thanks to a quirk of the DNA replication machinery, a few nucleotides (the building blocks of DNA) at the very end of the strand don’t make it into the new DNA copy, leading to the loss of some genetic information—like a photocopier cutting off the last line of text on a page. DNA strands get shorter and shorter with every cell division."
- Anonymous1 month ago
Funny then that no matter when you post, the same people always seem to be on right away to answer your questions isn't it my retarded gay little stalking soy boy?
- TarkarriLv 71 month ago
There are a very small number of cell lines that have been "immortalized".
Cancer cells are notoriously difficult to keep alive once removed from their host.
This is one reason why finding a substance that kills cancer cells in a petrie dish rarely leads to a major breakthrough.
Killing cancer cells in a petrie dish is easy. Keeping them alive is almost impossible.
- thinkingtimeLv 71 month ago
No. That's why the very, very rare examples are so valuable.