Evidence map›Paper›PMID 21931123›Full record

ArticleNephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association2011

Apolipoprotein L1 nephropathy risk variants associate with HDL subfraction concentration in African Americans.

Barry I Freedman, Carl D Langefeld, Mariana Murea, Lijun Ma, James D Otvos, Jolyn Turner, Peter A Antinozzi, Jasmin Divers, Pamela J Hicks, Donald W Bowden and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

27 citing papers in PubMed, 35 citations in OpenAlex.

  1. Article
  2. Arteriosclerosis, thrombosis, and vascular biology · 2021
    Article
  3. Article
  4. Review
  5. Review
  6. Article
  7. Article
  8. APOL1 nephropathy risk variants are associated with altered high-density lipoprotein profiles in African Americans.Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association · 2016
    Article
  9. APOL1 Variants: From Parasites to Kidney Function to Cardiovascular Disease.Arteriosclerosis, thrombosis, and vascular biology · 2016
    Article
  10. Article
  11. Review
  12. Article
  13. Histopathologic findings associated with APOL1 risk variants in chronic kidney disease.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2015
    Article
  14. Article
  15. Review
  16. Review
  17. The kidney and lipids: preface.Clinical and experimental nephrology · 2014
    Article
  18. Plasma apolipoprotein L1 levels do not correlate with CKD.Journal of the American Society of Nephrology : JASN · 2014
    Article
  19. Article
  20. Review
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

12 authors at 1 institution in 1 country.

Barry I FreedmanDepartment of Internal Medicine, Section on Nephrology, Wake Forest School of Medicine, Winston-Salem, NC, USA. bfreedma@wakehealth.edu
Carl D Langefeld
Mariana Murea
Lijun Ma
James D Otvos
Jolyn Turner
Peter A Antinozzi
Jasmin Divers
Pamela J Hicks
Donald W Bowden
Michael V Rocco
John S Parks
Wake Forest University · US

Funding

WORKER PROTECTION AGAINST AIRBORNE INFLUENZA - A PILOT STUDYM01RR007122 · NCRR · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI HUNDLEY, WILLIAM GREGORY · 1992 to 2010
$35.2M
TISSUE CULTURE COREP01HL049373 · NHLBI · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI SHELNESS, GREGORY S · 1993 to 2012
$23.8M
Genetic Analysis of African American Hypertensive End-Stage Renal DiseaseR01DK070941 · NIDDK · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI FREEDMAN, BARRY IRA · 2006 to 2015
$4.7M
Natural History of MYH9-Associated NephropathyR01DK084149 · NIDDK · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI FREEDMAN, BARRY IRA · 2009 to 2012
$2.3M
NCRR NIH HHS M01 RR007122NCRR NIH HHS M01 RR07122NHLBI NIH HHS P01 HL049373NHLBI NIH HHS P01 HL49373NIDDK NIH HHS R01 DK070941NIDDK NIH HHS R01 DK084149
6 · The paper itself

Abstract

backgroundCoding variants in the apolipoprotein L1 gene (APOL1) are strongly associated with non-diabetic nephropathy in African Americans. ApoL1 proteins associate with high-density lipoprotein (HDL) particles in the circulation. Plasma HDL particle subclass concentrations were compared in 73 African Americans based on APOL1 genotypes to detect differences potentially contributing to renal disease.

methodsHDL subclass concentrations were measured using nuclear magnetic resonance spectroscopy in African American first-degree relatives of patients with non-diabetic end-stage renal disease. Participants had estimated glomerular filtration rates (GFRs) > 80 mL/min and lacked albuminuria. Additive effects of the number of APOL1 risk variants on natural logarithm-transformed HDL subclass concentrations were computed.

resultsParticipants were 58.9% female with mean ± SD age 47.2 ± 13.3 years and GFR 92.4 ± 18.8 mL/min. The numbers with 2, 1 and 0 APOL1 nephropathy risk variants, respectively, were 36, 17 and 20. Mean ± SD medium-sized HDL concentrations were significantly lower for each additional APOL1 risk variant (2 versus 1 versus 0 risk variants: 9.0 ± 5.6 versus 10.1 ± 5.5 versus 13.1 ± 8.2 μmol/L, respectively; P = 0.0222 unadjusted; P = 0.0162 triglyceride- and ancestry adjusted).

conclusionsLower medium-sized HDL subclass concentrations are present in African Americans based on increasing numbers of APOL1 nephropathy risk variants. Potential mechanistic roles of altered medium HDL concentrations on APOL1-associated renal microvascular diseases should be evaluated.

Indexed as

AdultApolipoprotein L1ApolipoproteinsBlack or African AmericanFemaleFollow-Up StudiesGenotypeGlomerular Filtration RateGraft RejectionHumansKidney DiseasesKidney Function TestsLipoproteins, HDLMaleMiddle AgedPolymerase Chain ReactionAPOL1 protein, humanApolipoprotein L1ApolipoproteinsLipoproteins, HDL

Identifiers

PMID21931123
PMCPMC3203631
OpenAlexW2144543154

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.