ArticleScientific reports2022
Rac1 deficiency impairs postnatal development of the renal papilla.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Mice Undergo Organ-Specific Transcriptional and Metabolic Remodeling During Late Adolescence.Research square · 2026Article
- Rac1 promotes proximal tubule kidney repair by coupling the actin cytoskeleton to mitochondrial function.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Integrins in the kidney - beyond the matrix.Nature reviews. Nephrology · 2025Review
- Rac1 promotes kidney collecting duct repair by mechanically coupling cell morphology to mitotic entry.Science advances · 2024Article
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Authors and funding
7 authors at 1 institution in 1 country.
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Abstract
Development of the renal medulla continues after birth to form mature renal papilla and obtain urine-concentrating ability. Here, we found that a small GTPase, Rac1, plays a critical role in the postnatal development of renal papilla. Mice with distal tubule-specific deletion of Rac1 reached adulthood but showed polydipsia and polyuria with an impaired ability to concentrate urine. The elongation of renal papilla that occurs in the first weeks after birth was impaired in the Rac1-deficient infants, resulting in shortening and damage of the renal papilla. Moreover, the osmoprotective signaling mediated by nuclear factor of activated T cells 5, which is a key molecule of osmotic response to osmotic stress in renal medulla, was significantly impaired in the kidneys of the Rac1-deficient infants. These results demonstrate that Rac1 plays an important role in the development of renal papilla in the postnatal period, and suggested a potential link between Rac1 and osmotic response.
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