Surplus chromosomes may fuel tumor growth in some cancers

Without that extra genetic material, cancerous cells form fewer tumors in mice


Mistakes that happen as cells replicate their DNA, repair broken DNA or divide into two cells can result in an extra or missing copy of a chromosome. In this microscope image, one chromosome (green) lags behind as a HeLa cancer cell divides.

Iain M. Porter/Univ. of Dundee, Wellcome Images (CC BY-NC-ND 3.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Health & Medicine

From the Nature Index

Paid Content