Evidence map›Paper›PMID 8287602›Full record

ArticleClinical and experimental immunology1994

Regulation of C3 and factor H synthesis of human glomerular mesangial cells by IL-1 and interferon-gamma.

M E van den Dobbelsteen, V Verhasselt, J G Kaashoek, J J Timmerman, W E Schroeijers, C L Verweij, F J van der Woude, L A van Es, M R Daha

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In one paragraph

Article in Clinical and experimental immunology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.4field-weighted citation impact, top 17% 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

19 citing papers in PubMed, 74 citations in OpenAlex.

  1. Trial
  2. Article
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  4. New therapeutic perspectives for IgA nephropathy in children.Pediatric nephrology (Berlin, Germany) · 2021
    Review
  5. Article
  6. Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. Review
  12. Current Understanding of the Role of Complement in IgA Nephropathy.Journal of the American Society of Nephrology : JASN · 2015
    Review
  13. Review
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
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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

9 authors at 1 institution in 1 country.

M E van den DobbelsteenDepartment of Nephrology, University Hospital Leiden, The Netherlands.
V Verhasselt
J G Kaashoek
J J Timmerman
W E Schroeijers
C L Verweij
F J van der Woude
L A van Es
M R Daha
Leiden University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Previous reports have shown production of complement components C4, C2 and factor B by renal tissue. We have shown recently that human proximal tubular epithelial cells (PTEC) synthesize C3 in vitro, and that IL-2 enhances this production. In the present study we demonstrate that human mesangial cells (MC) in culture produce factor H and that supernatants of activated peripheral blood mononuclear cells (T cell growth factor (TCGF)) induce C3 production and enhance factor H synthesis in both a time- and dose-dependent manner. To investigate whether certain defined cytokines from TCGF were responsible for the observed effect, we tested various cytokines for their effect on complement production by MC. It is shown that IL-1 induces C3 synthesis whereas factor H production is up-regulated by IFN-gamma, in both a dose- and time-dependent manner. Antibody blocking experiments revealed that C3 synthesis induced by both TCGF and IL-1 could be blocked with antibodies specific for IL-1, and also that TCGF and IFN-gamma enhanced factor H synthesis could both be blocked with antibodies specific for IFN-gamma. Cycloheximide was able to inhibit C3 and factor H production, suggesting de novo synthesis of the proteins. mRNA-polymerase chain reaction (PCR) analysis revealed mRNA encoding for C3 after stimulation with TCGF and IL-1. Factor H genes are constitutively expressed in cultured mesangial cells and its expression is up-regulated by TCGF and IFN-gamma. Northern blot analysis with specific probes for C3 and factor H revealed bands which support the results obtained by PCR analysis.

Indexed as

Base SequenceCells, CulturedComplement C3Complement Factor HGlomerular MesangiumHumansInterferon-gammaInterleukin-1Interleukin-2Molecular Sequence DataRNA, MessengerCFH protein, humanComplement C3Complement Factor HInterferon-gammaInterleukin-1Interleukin-2RNA, Messenger

Identifiers

PMID8287602
PMCPMC1534640
OpenAlexW2048681283

What OpenQuestion holds

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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.