October 17, 2016

Salk professor awarded multimillion dollar NIH Pioneer Award for innovations in cell biology

Salk News

Salk professor awarded multimillion dollar NIH Pioneer Award for innovations in cell biology

LA JOLLA—Salk Professor Juan Carlos Izpisua Belmonte has been awarded a 2016 National Institutes of Health Pioneer Award, a highly coveted grant that supports the most innovative biomedical research, for his work in stem cell biology and regeneration.

Juan Carlos Izpisua Belmonte

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Credit: Salk Institute

This grant, which will award at least $2.5 million in direct costs over 5 years, supports “individual scientists of exceptional creativity who propose pioneering and highly innovative approaches with the potential to produce an unusually high impact on biomedical or behavioral research.” The grant will fund Izpisua Belmonte’s lab in attempting to generate functional primate organs and tissues in vivo in a large animal host, the pig, using novel stem cell technologies his team has developed and recently discovered gene-editing technologies.

“This research promises to shed important light on early development and could one day lead to new methods for growing transplantable human tissues,” says Salk President Elizabeth Blackburn.

Izpisua Belmonte and colleagues published work in the journal Nature last year reporting that they had been able to integrate human stem cells into early-stage mouse embryos so that the human stem cells began the first stages of differentiation—they appeared to begin the process of generating precursors of the body’s various tissues and organs. If their technique pans out, it could help overcome a major hurdle to organ transplants: the risk that the recipient’s body will reject the new organ. He believes they may be able to get around this obstacle with advances in generating stem cells from patient cells that have already developed into a specific type of tissue, such as skin. Researchers can now take a person’s skin cells, use chemicals to revert them back into what’s called induced pluripotent stem cells (iPSCs), and then coax those reprogrammed stem cells to turn into desired tissue-specific cells, such as those of the brain, muscle or pancreas. If a person’s iPSCs were used to grow an organ in an animal, the organ might pose less risk for rejection because the cells have the same DNA as the original patient skin cell.

“If we can tell the human iPSCs in an animal host to develop into a kidney or other organ, for example, it could provide an entirely new source for transplant tissues,” says Izpisua Belmonte. “We’re still in the early stage of determining if this is possible and whether human cells can participate in the early formation of tissues in the host animal and become part of their development. Additionally, this technology could provide a novel research model by which we transplant cells in vivo to study a disease and its progression from the onset, as well as directly test how effective new therapies are.”

Izpisua Belmonte graduated from the University of Valencia, Spain, with a bachelor’s degree in pharmacy and science, and he earned a master’s degree in pharmacology from the same university before completing his PhD in biochemistry and pharmacology at the University of Bologna, Italy, and the University of Valencia. He then was a postdoctoral fellow at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, and the University of California, Los Angeles, prior to moving to the Salk Institute in 1993 where he has been since. From 2005-14 he was also director of the Center of Regenerative Medicine in Barcelona.

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