Dr. Lozito’s research compares skeletal regeneration in lizards and salamanders. The ultimate goal is to apply this knowledge to improve regeneration in humans.


Building an Incubator for Medicine of the 21st Century

Building an Incubator for Medicine of the 21st Century

USC Stem Cell is pleased to introduce our new publication. We hope you’ll enjoy reflecting back on our history, while looking ahead to the transformative times to come. Read now at

A green anole lizard regenerating its tail (Image by Ariel Vonk/ Lozito Lab)

Researchers unlock mystery of cartilage regeneration in lizards

Scientists from the Keck School of Medicine of USC identify key cells involved in the process of cartilage regeneration in lizards—a discovery that could offer insights into novel approaches to treating osteoarthritis. …

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

A Tale of tails: How reptile regeneration could help humans

“I’ve always been interested in science and in lizards. I got my first pet lizard when I was around 4 years old, and it was love at first sight,” says Thomas Lozito, …

Kuo-Chang (Ted) Tseng from the Crump Lab and Michelle Hung from the Ichida Lab enjoy a beachside brainstorm.

Scientists feel the sand between their toes at the retreat for USC’s stem cell department

A pair of young scientists picked up a piece of driftwood and thoughtfully traced a series of letters in the wet sand of Ventura Beach. The word “microglia”—referring to the immune cells …

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