Signaling Pathway MAPK Controls Normal Kidney Development

MAPK pathway, of which aberrations are linked to many types of cancers, was identified as a key regulator of the final nephron number in a mature kidney.

MAPK signaling pathway enables normal proliferation and differentiation of nephron progenitors and also mediates important nephron progenitor interactions with the surrounding environment. The study is published in Stem Cell Reports.

The //prevalence of kidney diseases is growing rapidly due to an aging population and an increased incidence of diseases like diabetes. Moreover, congenital anomalies of the kidney are among the most frequently occurring birth defects and play crucial causative roles in the development of renal diseases.

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A kidney stone is a solid mass made up of tiny crystals and may appear in any area of the urinary system.

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MAPK activity modulators give hope for the development of stem cell-based regenerative therapies as novel treatments for patients suffering from renal diseases.

Currently, the only treatments for these diseases are dialysis and transplantation, which are insufficient and expensive with a higher mortality rate than in most cancers.

Development of new diagnostic and therapeutic modalities for renal diseases requires detailed knowledge of the mechanisms regulating kidney development.

MAPK pathway mediates extracellular growth factor stimuli to the cell interior. It has functions in both the cell nucleus, where it controls DNA by binding to target regions, and in the cytosol, where it regulates activities of many different proteins.

Quiz on Kidney Stones
Kidney stones or calculus produces the most severe form of pain in humans. The pain has often been described to be worse than childbirth, broken bones, gunshot wounds, burns, or surgery. Once you form a kidney stone you are always susceptible to another stone. Take this quiz to find out how much do you know about stone disease. Once you complete find out how you fared compared to others who have taken the quiz.

- Our results reveal that MAPK activity participates in modulating cellular adhesion, which is constantly required in developing systems to enable cellular motility and morphogenesis, explains the principal investigator Satu Kuure from the University of Helsinki, Finland.

- Use of MAPK modulators allows efficient and precise activation as well as inactivation of the pathway. Timely utilization of this in patient-derived organoid differentiation may significantly improve the outcome, foresees Kuure.

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Source-Eurekalert

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