Nerve and Muscle Cell Division
Name: Karen P.
Do nerve cell and muscle cell ever undergo cell division.
One textbook said they never do, but another source said they do but it
may take over 80 years. Which source is correct? Thanks!
Within the last two years, nerve cells have been determined to re-enter
the cell cycle under certain conditions. It is more common in nature
than previously thought. There are many recent articles in several
journals you can refer to for more details.
Muscle cells on the other hand are another matter. However, stem cell
research is indicating that they too may reproduce under certain
conditions, but those conditions are not natural for it requires
re-setting the cell's operons. Muscle cells are so specialized in
function(G zero) that they are not set up to return to the cell cycle.
La Grange, Illinois
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Update: June 2012