Evidence map›Paper›PMID 24022365›Full record

ReviewPediatric nephrology (Berlin, Germany)2014

Why and how we determine nephron number.

John F Bertram, Luise A Cullen-McEwen, Gary F Egan, Norbert Gretz, Edwin Baldelomar, Scott C Beeman, Kevin M Bennett

Abstract readReview
PubMed Publisher
In one paragraph

Review in Pediatric nephrology (Berlin, Germany), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
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

20 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
  4. Nephron number and its determinants: a 2020 update.Pediatric nephrology (Berlin, Germany) · 2021
    Article
  5. New imaging tools to measure nephron numberJournal of developmental origins of health and disease · 2021
    Review
  6. Article
  7. Article
  8. Towards adulthood with a solitary kidney.Pediatric nephrology (Berlin, Germany) · 2019
    Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2017
    Article
  14. Article
  15. Review
  16. Review
  17. Counting glomeruli and podocytes: rationale and methodologies.Current opinion in nephrology and hypertension · 2015
    Review
  18. Live nephron imaging by MRI.American journal of physiology. Renal physiology · 2014
    Article
  19. MRI-based glomerular morphology and pathology in whole human kidneys.American journal of physiology. Renal physiology · 2014
    Article
  20. MicroRNAs are critical regulators of tuberous sclerosis complex and mTORC1 activity in the size control of the Xenopus kidney.Proceedings of the National Academy of Sciences of the United States of America · 2014
    Article
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

7 authors.

John F Bertram
Luise A Cullen-McEwen
Gary F Egan
Norbert Gretz
Edwin Baldelomar
Scott C Beeman
Kevin M Bennett

Funding

MRI Techniques to Measure Whole-Kidney NephronR21DK091722 · NIDDK · UNIVERSITY OF HAWAII AT MANOA · PI BENNETT, KEVIN M · 2012 to 2013
$399k
NIDDK NIH HHS DK091722
6 · The paper itself

Abstract

The total number of glomeruli (nephrons) in a kidney is an important microanatomical parameter for at least three reasons: it provides an index of the success/extent of nephrogenesis and can thereby provide insights into the roles of specific genes and feto-maternal environmental factors in nephrogenesis; low nephron number has been linked to an increased risk of cardiovascular and renal disease in adulthood; and knowledge of quantitative kidney microanatomy can illuminate our understanding of physiological mechanisms in health and disease. A range of methods has been used to count glomeruli in kidneys over the past 100 years, with design-based stereology (the physical disector/fractionator combination) considered the gold standard. However, this approach is labor-intensive and expensive, and therefore is not utilized by most laboratories. A new method for counting and sizing every glomerulus in the kidney has recently been described. This method involves in vivo labeling of glomeruli with cationic ferritin, and then magnetic resonance imaging (MRI) of the ex vivo kidney. Values are obtained in one sixth of the time of disector-based approaches. This new MRI method holds great promise for studies of glomerular number and size ex vivo and in vivo.

Indexed as

AnimalsCell CountHumansNephrons

Identifiers

What OpenQuestion holds

Textmetadata
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.