First fetus-to-fetus transplant in rats

Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. The transplanted tissue grew into a kidney with identifiable parts, and the host’s blood vessels began infiltrating it.Credit: K. Morimoto et al./bioRxiv Surgeons have transplanted kidney tissue from one rat fetus to another, while the recipient … Read more

First fetus-to-fetus transplant demonstrated in rats

Surgeons in Japan have transplanted kidney tissue from one rat fetus to another, while the recipient was still in its mother’s womb. Study lead Takashi Yokoo, a nephrologist at Jikei University School of Medicine in Tokyo, says the surgery is the first step to one day transplanting fetal pig kidneys into human fetuses that develop … Read more

Doctors Combined a Heart Pump and Pig Kidney Transplant in Breakthrough Surgery

The kidney used in the latest NYU transplant was procured from a pig with a single genetic edit—the removal of a gene that produces a sugar known as alpha gal. This sugar appears on the surface of pig cells and seems to be responsible for rapid rejection in humans. The pig was engineered by Revivicor, … Read more

He Got a Pig Kidney Transplant. Now Doctors Need to Keep It Working

Other than rejection of the organ, one of the most common transplant complications is infection. Doctors have to strike a balance when prescribing immunosuppressive drugs: too low a dose can lead to rejection, while too much can make a patient vulnerable to infection. Immunosuppressants are powerful drugs that can cause a range of side effects, … Read more