Nerve cell stretchiness discovery20th August 2007
Scientists in the US have found out why long nerve cells do not break when people stretch their limbs or move.
The University of Utah researchers carried out experiments with worms which showed that when a protein called beta spectrin is missing, nerve cells are brittle and break. Writing in the Journal of Cell Biology they point out that humans have four genes responsible for the production of beta spectrin protein but when nematode worms were bred without beta spectrin their nerve axons died and caused paralysis.
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