For Dr Stephanie Kuo, the biggest breakthroughs in medicine don’t start in the lab – they begin with patients.

A nephrologist at The Royal Melbourne Hospital, Dr Kuo works on the frontline of kidney transplantation, caring for people whose lives depend on striking a delicate immune balance.

At the Snow Centre for Immune Health, she’s focused on a simple but urgent question: how can we better protect transplanted organs – and the people who rely on them – over the long term?

“Transplantation can be life‑changing,” Dr Kuo says.

“You see people regain independence and get their life back. That’s incredibly powerful.”

But success comes with risk. To prevent rejection, transplant patients must take immune‑suppressing drugs for life.

Too much suppression increases the risk of infection and cancer; too little can mean losing the transplant altogether.

“Right now, we often discover problems after they’ve already happened,” Dr Kuo explains.

“By the time rejection or infection occurs, we’re already behind.”

This challenge is at the heart of Dr Kuo’s PhD and her Snow Centre research.

She’s investigating non‑invasive biomarkers, particularly in urine, that could reveal early warning signs of transplant complications without the needing for invasive kidney biopsies.

“If we can see what’s happening earlier and more precisely, we can personalise treatment and intervene sooner,” she says. “That’s better for patients, and better for outcomes.”

It’s also what drew her to the Snow Centre: a close partnership between clinicians and scientists, focused on real-world impact.

“Clinicians see the unmet need. Scientists bring the tools,” she says. “The Snow Centre connects those worlds.”

Through the Snow Centre, Dr Kuo is also exploring blood-based ways to assess immune function – not just counting immune cells but understanding how they behave.

“Two patients can look identical on paper but have completely different immune responses,” she says.

The aim is to help clinicians find the ‘Goldilocks’ zone of immune suppression – not too much, not too little – reducing hospital admissions and improving quality of life.

“It’s not just about keeping a kidney working,” she says.

“It’s about giving people more good years – time to work, travel, and live well.”

Balancing clinical work, research and life outside the hospital is demanding, but Dr Kuo says the purpose behind the work keeps her going.

“My PhD has taught me persistence, collaboration and how to tackle complex problems,” she says. “Now I just have to finish it!”

Those lessons also shape her patient care. In nephrology, relationships often span years, requiring trust, listening and a deep understanding of what matters most to each individual.

“Everyone’s goals are different,” Dr Kuo says.

“Our role is to help people live as well as possible – using the best science we can.”

To learn more visit the Snow Centre for Immune Health.