Health Problems

New opportunities for treating kidney failure

Our kidneys can sense when we need them to work a bit harder. As the intestines begin to produce more waste products, the kidneys start to work harder to excrete them. Researchers at, among others, Utrecht University and Universitair Ziekenhuis Leuven published an article on the process in PNAS on July, 22. Insight into this mechanism could lead to new treatments for kidney failure.

Kidneys filter waste products from the blood, and they can increase their filtering activity when necessary. But until now, scientists had not known exactly how this mechanism worked. The research group led by Roos Masereeuw has now shown that certain kidney cells have receptors that can observe higher concentrations of waste products. The group then identified how this observation stimulates the production of a transport protein, which results in increased excretion of the waste substances.

New treatments for kidney failure

According to Prof. Masereeuw, insight into this mechanism could lead to new treatments for kidney failure. This is because the mechanism plays a vital role in stimulating the excretion of waste; a process that is inhibited by kidney failure. “By jump-starting that mechanism, we think that we might be able to treat early-stage kidney failure,” Masereeuw explains. “We’re going to continue to study how we can initiate that process ourselves.”

Made possible by artificial kidney tubules

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