University of Southern California

McMahon Lab

USC Stem Cell


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World Kidney Day: USC’s Andy McMahon and Ken Hallows discuss kidney health and research

One in 10 people is affected by chronic kidney disease worldwide. On March 9, 2017, World Kidney Day shines a spotlight on the importance of kidneys and ways to reduce the impact of kidney disease. USC’s Andy McMahon and Ken […]

Support the UKRO Los Angeles Marathon Charity Relay Team

One out of every two adults will develop chronic kidney disease during their lifetimes. To help these patients, USC scientists and clinicians are putting their feet to the task as part of the UKRO Los Angeles Marathon Charity Relay Team. […]

Andy McMahon speaks at stem cell symposium featuring USC, UCLA and UCSF researchers

Last Friday, scientists from USC, UCLA and UCSF gathered at a symposium to celebrate the tenth anniversary of their three stem cell research centers, established with support from Eli and Edythe Broad and the California Institute for Regenerative Medicine (CIRM). […]

Andy McMahon quoted in the San Diego Union Tribune

Andy McMahon offered his perspective in the article “Will President Trump restrict embryonic stem cell research funding?” in the San Diego Union Tribune. To read the article, visit

What I’m Reading: Andy McMahon and Gage Crump offer top picks

Gage Crump: In the latest issue of Science Translational Medicine, Katja M. Heinemeier and coauthors use “bomb pulse” labeling to provide new insights into cell turnover in our joints. This technique takes advantage of the temporary high radiation levels in […]

Hironori Hojo and colleagues illuminate bone formation and vertebrate evolution

With the emergence of bone, the diversity of life expanded to encompass the bone-forming vertebrates, a group of species ranging from the tiny frog Paedophryne amauensis to the mighty blue whale. Bone formation in vertebrates is linked to a shared […]

Andy McMahon honored at UKRO benefit gala

University Kidney Research Organization (UKRO) honored USC academic and scientific leaders at its sixth gala dinner March 18 at The Beverly Hilton, with 300 attendees. This group of vocal champions of kidney disease research included Provost and Senior Vice President […]

Lori O’Brien and colleagues identify key difference between mouse and human kidney cells

The best laid plans of mice and men are a bit different — at least when it comes to kidney development. Compared to a mouse, a human has nearly 100 times more nephrons, the functional units of the kidneys. Humans […]

Albert Kim receives first Hearst Fellowship

How do you turn stem cells into nephrons, the functional unit of the kidney? Albert D. Kim, a postdoctoral fellow in the McMahon Lab, is exploring this question with support from a Hearst Fellowship, an award recognizing an exceptional junior […]

Sanjeev Kumar describes how Sox9 kicks injured kidney cells into reparative mode

In the kidney, injured cells can be kicked into reparative mode by a gene called Sox9, according to a new paper published in Cell Reports. First author Sanjeev Kumar, a postdoctoral research associate in the USC Stem Cell laboratory of […]