Evidence map›Paper›PMID 7479785›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1995

Interleukin 1 beta suppresses transforming growth factor-induced inorganic pyrophosphate (PPi) production and expression of the PPi-generating enzyme PC-1 in human chondrocytes.

M Lotz, F Rosen, G McCabe, J Quach, F Blanco, J Dudler, J Solan, J Goding, J E Seegmiller, R Terkeltaub

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing 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

28 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. "Lessons from Rare Forms of Osteoarthritis".Calcified tissue international · 2021
    Review
  7. Review
  8. Article
  9. Article
  10. Hass avocado composition and potential health effects.Critical reviews in food science and nutrition · 2013
    Review
  11. Growth factors in the treatment of early osteoarthritis.Clinical cases in mineral and bone metabolism : the official journal of the Italian Society of Osteoporosis, Mineral Metabolism, and Skeletal Diseases · 2013
    Article
  12. Npp1 promotes atherosclerosis in ApoE knockout mice.Journal of cellular and molecular medicine · 2011
    Article
  13. Review
  14. Cartilage biology, pathology, and repair.Cellular and molecular life sciences : CMLS · 2010
    Review
  15. Article
  16. Review
  17. Article
  18. Review
  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

10 authors.

M LotzSam and Rose Stein Institute for Research on Aging, Veterans Affairs Medical Center, San Diego, La Jolla, CA 92093, USA.
F Rosen
G McCabe
J Quach
F Blanco
J Dudler
J Solan
J Goding
J E Seegmiller
R Terkeltaub

Funding

TISSUE ACQUISITION, MORPHOLOGY, AND CELL CULTUREP01AG007996 · NIA · UNIVERSITY OF CALIFORNIA SAN DIEGO · PI LOTZ, MARTIN K · 1989 to 2016
$26.0M
PATHOGENETIC MEDIATORS IN ARTHRITISR01AR039799 · NIAMS · UNIVERSITY OF CALIFORNIA SAN DIEGO · PI LOTZ, MARTIN K. · 1991 to 1999
–
NIAMS NIH HHS AR39799NIA NIH HHS AG07996PHS HHS P608R40770
6 · The paper itself

Abstract

Articular cartilage chondrocytes have the unique ability to elaborate large amounts of extracellular pyrophosphate (PPi), and transforming growth factor beta (TGF beta) appears singular among cartilage regulatory factors in stimulating PPi production. TGF beta caused a time and dose-dependent increase in intracellular and extracellular PPi in human articular chondrocyte cultures. TGF beta and interleukin 1 beta (IL-1 beta) antagonistically regulate certain chondrocyte functions. IL-1 beta profoundly inhibited basal and TGF beta-induced PPi elaboration. To address mechanisms involved with the regulation of PPi synthesis by IL-1 beta and TGF beta, we analyzed the activity of the PPi-generating enzyme NTP pyrophosphohydrolase (NTPPPH) and the PPi-hydrolyzing enzyme alkaline phosphatase. Human chondrocyte NTPPPH activity was largely attributable to plasma cell membrane glycoprotein 1, PC-1. Furthermore, TGF beta induced comparable increases in the activity of extracellular PPi, intracellular PPi, and cellular NTPPPH and in the levels of PC-1 protein and mRNA in chondrocytes as well as a decrease in alkaline phosphatase. All of these TGF beta-induced responses were completely blocked by IL-1 beta. Thus, IL-1 beta may be an important regulator of mineralization in chondrocytes by inhibiting TGF beta-induced PPi production and PC-1 expression.

Indexed as

Phosphoric Diester HydrolasesAdultAgedAlkaline PhosphataseBlotting, WesternCartilage, ArticularCells, CulturedCulture Media, ConditionedDiphosphatesDNAGene ExpressionHomeostasisHumansInterleukin-1KineticsMembrane GlycoproteinsAlkaline PhosphataseCulture Media, ConditionedDiphosphatesDNAectonucleotide pyrophosphatase phosphodiesterase 1Interleukin-1Membrane Glycoproteinsnucleoside triphosphate pyrophosphatasePhosphoric Diester HydrolasesPyrophosphatasesRNA, MessengerTransforming Growth Factor beta

Identifiers

PMID7479785
PMCPMC40797

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.