Evidence map›Paper›PMID 38344733›Full record

ArticleKidney international reports2024

Human Nephrogenesis can Persist Beyond 40 Postnatal Days in Preterm Infants.

James Carpenter, Sunitha Yarlagadda, Katherine A VandenHeuvel, Lili Ding, Meredith P Schuh

Open access · goldAbstract read
In one paragraph

Article in Kidney international reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
4.2field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 27 citations in OpenAlex.

  1. Pooled it
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  11. Kidney care at NICU discharge and follow-up recommendations for preterm infants<34 weeks.Journal of perinatology : official journal of the California Perinatal Association · 2026
    Article
  12. Stealing nephrons-a review on how patent ductus arteriosus physiology impacts neonatal kidney health.Journal of perinatology : official journal of the California Perinatal Association · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

James CarpenterDivision of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
Sunitha YarlagaddaDivision of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
Katherine A VandenHeuvelDivision of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
Lili DingDepartment of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
Meredith P SchuhDivision of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.
Cincinnati Children's Hospital Medical Center · USUniversity of Cincinnati Medical Center · US

Funding

Bridging the gap of late gestation human nephrogenesis using a non-human primate modelK08DK131259 · NIDDK · CINCINNATI CHILDRENS HOSP MED CTR · PI SCHUH, MEREDITH · 2022 to 2024
$574k
NIDDK NIH HHS K08 DK131259
6 · The paper itself

Abstract

Introduction: Human nephrogenesis is typically completed by 36 weeks gestation; however, it is impacted by preterm birth. Early studies suggested that nephrogenesis persisted for ≤40 postnatal days in preterm infants. However, the postmenstrual age (PMA) of the preterm infants who survived >40 days was uncertain. In this study, we sought to reexamine postnatal kidney development in preterm infants surviving >40 days. Methods: Human kidney samples were obtained from an institutional biobank. Samples were considered controls if survival was ≤4 days after birth with PMA of 30 to ≤36 weeks. Kidneys from preterm neonates with postnatal survival >40 days and PMA of 30 to ≤36 weeks were compared to controls. We counted glomerular generations, measured nephrogenic zone widths (NZW), and performed immunofluorescence (IF) with SIX1 and RET. We compared kidney weights and quantified the cross-sectional area of proximal (lotus tetragonolobus lectin [LTL], SL22A2), distal (SLC12A3, KCNJ10), and glomerular (nephrin) markers using IF. Results: Seven preterm infants surviving >40 days and 8 controls were analyzed. Four of 7 preterm infants had histologic and molecular evidence of nephrogenesis. Cessation of nephrogenesis in preterm infants occurred 2 weeks earlier than PMA-matched controls with attenuated expression of both SIX1 and RET. We found increased kidney weight-to-body weight ratio, increased distal tubular cross-sectional staining in the superficial nephrons, and distal tubular hypertrophy and hyperplasia in the preterm infant kidneys. Conclusion: Our study supports that nephrogenesis in preterm infants persists longer than previously thought with evidence of early nephron stress, placing importance on the neonatal environment.

Indexed as

chronic kidney diseasecompensatory hypertrophyneonatal environmentnephrogenesisnephron progenitor cellsprematurity

Identifiers

PMID38344733
PMCPMC10851065
OpenAlexW4388366373

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.