Asking Big Questions

Science is incremental, more slog than serendipity, but almost every scientist has at least one ultimate goal in mind, a big question they want to answer. So on the 50th anniversary of Sanford Burnham Prebys, we asked faculty: What challenge in science do you most want to resolve?

David Brenner
David Brenner, MD

President and CEO
Donald Bren Chief Executive Chair
Professor, Center for Metabolic and Liver Diseases

Metabolic dysfunction-associated steatohepatitis or MASH is a severe form of fatty liver disease, a condition that afflicts roughly one-third of adults worldwide: nearly 2 billion people. Untreated, MASH can lead to

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Lukas Chavez, PhD

Associate Professor
NCI-Designated Cancer Center

Childhood brain cancer is not one disease, but many, each with its own genetic fingerprint and its own way of evading treatment. Advances in genomics now allow us to read these fingerprints in extraordinary detail, uncovering the hidden instructions that make

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Jerold Chun
Jerold Chun, MD, PhD

Professor
Center for Neurologic Diseases


The human brain remains one of life’s greatest mysteries and challenges, being responsible for all human activities that require its myriad functions. However, our understanding of the brain remains incomplete and this deficiency is perhaps most evident through hundreds of brain

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Gregg Duester
Gregg Duester, PhD

Professor
Center for Cardiovascular and Muscular Diseases


Science is facing a reproducibility crisis. In the biomedical sciences, the inability to validate and reproduce findings is slowing progress in understanding basic principles. Among the fields hindered by irreproducibility is retinoic acid research. Fortunately, new techniques provide a

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Hudson Freeze
Hudson Freeze, PhD

Professor and Director
William W. Ruch Distinguished Endowed Chair

My fascination with sugars began early, sparked not by science but Oreos.

As a child, I couldn’t get enough. Later came chocolate, and with it a growing sense that sugars held more than just

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Michael Karin
Michael Karin, PhD

Director and Professor
Center for Metabolic and Liver Diseases

Despite much progress in the past 100 years in understanding the pathogenesis of many common diseases and their treatments, we do not understand how these diseases are initiated.

For example, take pancreatic cancer. We know that

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Kelly Kersten
Kelly Kersten, PhD

Assistant Professor
NCI-Designated Cancer Center

I have always been fascinated by the paradoxical role of the immune system in cancer. On the one hand our immune system protects us from infections and disease. But in some cases, it can turn against us. With the recent advancements

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Caroline Kumsta
Caroline Kumsta, PhD

Assistant Professor
Center for Cardiovascular and Muscular Diseases

What doesn’t kill you makes you stronger. It’s true not just for people, but for our cells. My research explores hormesis, the phenomenon where mild, manageable stressors such as exercise, heat or dietary changes trigger powerful defense systems

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Ahmed Mahmoud
Ahmed Mahmoud, PhD

Associate Professor
Center for Cardiovascular and Muscular Diseases

Heart failure remains the leading cause of death worldwide because the human heart cannot regenerate after injury. Unlike newborn mammals, whose hearts can regrow following damage, the adult heart heals by forming scar tissue, leading to permanent loss

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Jamey Marth
Jamey Marth, PhD

Professor
Center for Metabolic and Liver Diseases

I seek to discover and therapeutically control the metabolic origins of common diseases.

From human twin studies and human genome sequence comparisons, it has become evident that genetics plays a limited and minor role in the

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José Luis Millán
José Luis Millán, PhD

Professor
Center for Cardiovascular and Muscular Diseases

Why do our skeleton and teeth, but not our soft organs, calcify under physiological conditions? And what goes wrong in hypophosphatasia (HPP), a condition in which children display soft bones and premature loss of teeth (and sometimes die) or

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Andrei Osterman
Andrei Osterman, PhD

Professor
Center for Metabolic and Liver Diseases

We live in the microbial world! Indeed, our body provides an ecological niche for myriad diverse bacteria. Among them are benign (and even beneficial) commensals comprising most notably the human gut microbiome, but also sporadic invaders, including deadly bacterial

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Xueqin (Sherine) Sun, PhD

Assistant Professor
NCI-Designated Cancer Center

Our research aims to understand why cancer develops, identify its “Achilles’ heel” and ultimately create more effective treatments.

Cancer arises when cells misread or misinterpret their DNA, leading to abnormal gene activity driven by both genetic changes and

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Kevin Tharp
Kevin Tharp, PhD

Assistant Professor
NCI-Designated Cancer Center

I want to understand how cells adapt to different environments.

This may seem like a simple question, but cells use a complex network of interconnected sensors to determine where they are and what to do. They physically interact with their surroundings

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Kristiina Vuori
Kristiina Vuori, MD, PhD

Professor
Pauline and Stanley Foster Distinguished Chair
NCI-Designated Cancer Center

My fascination with sugars began early, sparked not by science but Oreos.

Why do recurrent cancers often exhibit resistance not only to prior treatments, but also to unrelated therapies? What is behind

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