Regeneration: A Planarian DIY Fertility Restoration Guide
Imagine an animal that can regain its ability to reproduce simply by regrowing its body. That’s exactly what happens with certain flatworms, known for their incredible regenerative powers. While their fertility naturally declines with age, these creatures have a remarkable trick: they can essentially hit a “reset” button through regeneration. Scientists have discovered that as these flatworms age, the internal signals that guide body development, called axial gradients, can shift, leading to the deterioration of their reproductive organs. However, when these animals regenerate, these internal signals are re-established with precision, effectively reversing the aging process in their reproductive system and restoring their ability to have offspring. This fascinating process highlights the critical importance of maintaining accurate body organization throughout an animal’s life, especially for those that live a long time and constantly renew their cells.
Source: link to paper