Cited by 73Ion Transport and Channel RegulationRenal and related cancersAcute Kidney Injury Research

Developmental changes in renal tubular transport-an overview

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Gattineni, Jyothsna, Baum, Michel·2015·Pediatric Nephrology

Abstract

The adult kidney maintains a constant volume and composition of extracellular fluid despite changes in water and salt intake. The neonate is born with a kidney that has a small fraction of the glomerular filtration rate of the adult and immature tubules that function at a lower capacity than that of the mature animal. Nonetheless, the neonate is also able to maintain a constant extracellular fluid volume and composition. Postnatal renal tubular development was once thought to be due to an increase in the transporter abundance to meet the developmental increase in glomerular filtration rate. However, postnatal renal development of each nephron segment is quite complex. There are isoform changes of several transporters as well as developmental changes in signal transduction that affect the capacity of renal tubules to reabsorb solutes and water. This review will discuss neonatal tubular function with an emphasis on the differences that have been found between the neonate and adult. We will also discuss some of the factors that are responsible for the maturational changes in tubular transport that occur during postnatal renal development.

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  • All infants affected with classic CAH benefit from glucocorticoid plus adjunctive mineralocorticoid treatment at least within the first year of life.

    “All infants affected with classic CAH benefit from glucocorticoid plus adjunctive mineralocorticoid treatment at least within the first year of life, when there is relative renal tubular resistance to the salt-retaining effects of aldosterone in early infancy (28) and low sodium content of infant diets (29).”

    From Congenital Adrenal Hyperplasia—Current Insights in Pathophysiology, Diagnostics, and Management (2022) · cites this paper as [29]

    The Cortical collecting duct section (page unavailable) reports resistance to aldosterone’s sodium-transport effect in neonatal rats, supporting the mechanism attached to citation (28). It does not establish that human infants with classic CAH benefit from combined treatment throughout the first year of life. (LLM, conf=0.84)

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Research works printed but not linked: 6

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Authors
Gattineni, J., & Baum, M.
Affiliations
The University of Texas Southwestern Medical Center (US)
Corresponding author
Baum, Michel
Venue
Pediatric Nephrology
Published
2013-11-20
Volume
30
Issue
12
Pages
2085-2098
ISSN
  • 0931-041X (ISSN-L)
  • 1432-198X
OpenAlex
W2049706604
Cited by
73
References
170
Citations by year
2026: 4 · 2025: 6 · 2024: 7 · 2023: 15 · 2022: 6 · 2021: 9 · 2020: 1 · 2019: 8 · 2018: 3 · 2017: 4 · 2016: 3 · 2015: 3 · 2014: 3
FWCI
1.34
Type
journal article
Language
en
Open access
Locations
  • Pediatric Nephrology (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (KO8 DK089295, DK-41612, R01DK078596, T32DK007257, DK078596, R01DK041612, K08DK089295, P30DK079328, T32 DK 07257)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Renal and related cancers
  • Health Sciences › Medicine › Nephrology › Acute Kidney Injury Research
Keywords
renal tubular transport, neonatal kidney, transporter isoforms, signal transduction, glomerular filtration rate, extracellular fluid homeostasis, kidney maturation
MeSH terms
Animals, Biological Transport, Glomerular Filtration Rate, Humans, Kidney, Kidney Tubules, Sodium

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