|
||||
|
Issue 126, 5 February 2003
|
||||
|
Understanding how cells 'remember'
SCIENTISTS from Imperial College, Hammersmith Hospital,
the Medical Research Council and Cancer Research UK have discovered
an important aspect of how heterochromatin, the wrapping around
DNA, works, writes Tony Stephenson. Researchers' work published in Science, discovered that
heterochromatin is dynamic, constantly wrapping and unwrapping
around DNA, and not static as previously thought. Dr Richard Festenstein from Imperial College and the MRC
Clinical Sciences Centre at Hammersmith Hospital explained:
"Although this research improves our basic understanding of how
cells 'remember' which genes to switch on or off, it could also
help us understand diseases which are linked to inappropriate
'switching', such as cancer, and several inherited diseases. "The previous view that heterochromatin was a sort of static
'molecular-glue' has been shattered, revealing a dynamic way of
regulating access of crucial factors to DNA." |
||||
|
||||
| ©2003 Imperial College London |
||||