Evidence map›Paper›PMID 32561683›Full record

ArticleJournal of the American Society of Nephrology : JASN2020

Proteomic Analysis Identifies Distinct Glomerular Extracellular Matrix in Collapsing Focal Segmental Glomerulosclerosis.

Michael L Merchant, Michelle T Barati, Dawn J Caster, Jessica L Hata, Liliane Hobeika, Susan Coventry, Michael E Brier, Daniel W Wilkey, Ming Li, Ilse M Rood and 9 more

Open access · greenAbstract read
In one paragraph

Article in Journal of the American Society of Nephrology : JASN, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
5.4field-weighted citation impact, top 3% 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

26 citing papers in PubMed, 47 citations in OpenAlex.

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  17. Advances in proteomic profiling of pediatric kidney diseases.Pediatric nephrology (Berlin, Germany) · 2022
    Review
  18. Article
  19. Urinary Protein and Peptide Markers in Chronic Kidney Disease.International journal of molecular sciences · 2021
    Review
  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

19 authors at 6 institutions in 2 countries.

Michael L MerchantDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky k.mcleish@louisville.edu michael.merchant@louisville.edu.
Michelle T BaratiDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.
Dawn J CasterDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.ORCID 0000-0001-9106-471X
Jessica L HataPathology Department, Norton Children's Hospital, Louisville, Kentucky.
Liliane HobeikaDivision of Nephrology, Department of Medicine, Temple University, Philadelphia, Pennsylvania.
Susan CoventryPathology Department, Norton Children's Hospital, Louisville, Kentucky.
Michael E BrierDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.
Daniel W WilkeyDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.
Ming LiDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.
Ilse M RoodDepartment of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands.
Jeroen K DeegensDepartment of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands.
Jack F WetzelsDepartment of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands.
Christopher P LarsenArkana Laboratories, Little Rock, Arkansas.
Jonathan P TroostMichigan Institute for Clinical and Health Research, University of Michigan, Ann Arbor, Michigan.
Jeffrey B HodginDivision of Pathology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan.
Laura H MarianiDivision of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan.
Matthias KretzlerDivision of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan.ORCID 0000-0003-4064-0582
Jon B KleinDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky.
Kenneth R McLeishDivision of Nephrology and Hypertension, Department of Medicine, University of Louisville, Louisville, Kentucky k.mcleish@louisville.edu michael.merchant@louisville.edu.
University of Louisville · USUniversity of Michigan · USRadboud University Nijmegen · NLKosair Children's Hospital · USArkana Laboratories · USTemple University · US

Funding

Michigan Institute for Clinical and Health Research (MICHR)UL1TR002240 · NCATS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI LUMENG, JULIE C, MASHOUR, GEORGE ALEXANDER · 2017 to 2022
$54.9M
Training Program in Clinical & Translationa Research in Human Glomerular DiseaseU54DK083912 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI KRETZLER, MATTHIAS · 2009 to 2023
$20.3M
Novel biomarker validation and dosing algorithms for anemia management in ESRDR01DK091584 · NIDDK · UNIVERSITY OF LOUISVILLE · PI BRIER, MICHAEL E, MERCHANT, MICHAEL L · 2011 to 2015
$2.6M
Integrating Proteomics and Metabolomics to Understand Pediatric Glomerular Disease Pathophysiology and PrognosisR01DK110077 · NIDDK · RESEARCH INST NATIONWIDE CHILDREN'S HOSP · PI KLEIN, JON, SMOYER, WILLIAM E · 2016 to 2020
$1.8M
Nephritogenic autoantibodies in systemic lupusK08DK102542 · NIDDK · UNIVERSITY OF LOUISVILLE · PI CASTER, DAWN · 2016 to 2020
$817k
NCATS NIH HHS UL1 TR002240NIDDK NIH HHS K08 DK102542NIDDK NIH HHS R01 DK091584NIDDK NIH HHS R01 DK110077NIDDK NIH HHS U54 DK083912
6 · The paper itself

Abstract

backgroundThe mechanisms leading to extracellular matrix (ECM) replacement of areas of glomerular capillaries in histologic variants of FSGS are unknown. This study used proteomics to test the hypothesis that glomerular ECM composition in collapsing FSGS (cFSGS) differs from that of other variants.

methodsECM proteins in glomeruli from biopsy specimens of patients with FSGS not otherwise specified (FSGS-NOS) or cFSGS and from normal controls were distinguished and quantified using mass spectrometry, verified and localized using immunohistochemistry (IHC) and confocal microscopy, and assessed for gene expression. The analysis also quantified urinary excretion of ECM proteins and peptides.

resultsOf 58 ECM proteins that differed in abundance between cFSGS and FSGS-NOS, 41 were more abundant in cFSGS and 17 in FSGS-NOS. IHC showed that glomerular tuft staining for cathepsin B, cathepsin C, and annexin A3 in cFSGS was significantly greater than in other FSGS variants, in minimal change disease, or in membranous nephropathy. Annexin A3 colocalized with cathepsin B and C, claudin-1, phosphorylated ERK1/2, and CD44, but not with synaptopodin, in parietal epithelial cells (PECs) infiltrating cFSGS glomeruli. Transcripts for cathepsins B and C were increased in FSGS glomeruli compared with normal controls, and urinary excretion of both cathepsins was significantly greater in cFSGS compared with FSGS-NOS. Urinary excretion of ECM-derived peptides was enhanced in cFSGS, although

conclusionsECM differences suggest that glomerular sclerosis in cFSGS differs from that in other FSGS variants. Infiltration of activated PECs may disrupt ECM remodeling in cFSGS. These cells and their cathepsins may be therapeutic targets.

Indexed as

CathepsinsEpithelial CellsExtracellular Matrix ProteinsGlomerulosclerosis, Focal SegmentalHumansImmunohistochemistryKidney GlomerulusMicroscopy, ConfocalProteomicsCathepsinsExtracellular Matrix Proteinscathepsincollapsing FSGSextracellular matrixfocal segmental glomerulosclerosisglomerular epithelial cells

Identifiers

PMID32561683
PMCPMC7460901
OpenAlexW3035985570

What OpenQuestion holds

Textmetadata
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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.