mourning gecko

Aided by stem cells, a lizard regenerates a perfect tail for the first time in 250 million years

Lizards can regrow severed tails, making them the closest relative to humans that can regenerate a lost appendage. But in lieu of the original tail that includes a spinal column and nerves, …

Thomas Lozito

The childhood moments that launched their careers as explorers

Innocent curiosity can turn discovery into life’s purpose. A toddler locks eyes with a turtle for the first time; a mischievous teen concocts stink bombs in the garage. However their careers develop, …


Lizards’ immune systems are not only for fighting germs, but also for regrowing severed tails

The human immune system has been getting a bad rap lately. However, the lizard immune system is finally receiving its due credit for enabling lizards to regrow severed tails. In a recent …

Thomas Lozito and Donald the crested gecko (Photo by Sergio Bianco)

USC Stem Cell scientist Thomas Lozito looks to lizards in hopes of healing humans

Some students sell blood plasma to make extra cash during graduate school. Thomas Lozito, a new assistant professor of orthopaedic surgery and stem cell biology and regenerative medicine at USC, sold poison …

Thomas Lozito, PhD