Evidence map›Paper›PMID 40612887›Full record

ArticleOsteoarthritis and cartilage open2025

In knee osteoarthritis, the production of cytokines and metalloproteinases in presence of chondrocytes and CD4

H Platzer, M Wellbrock, G Pourbozorg, R Mayakrishnan, S Gantz, B Khamees, S Maciej, B Moradi

Abstract read
In one paragraph

Article in Osteoarthritis and cartilage open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
  4. Review
  5. 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

8 authors.

H PlatzerOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
M WellbrockOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
G PourbozorgOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
R MayakrishnanOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
S GantzOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
B KhameesOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
S MaciejOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.
B MoradiOrthopedic Research Center, Kiel University, 24118 Kiel, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: Osteoarthritis (OA) is driven by biomechanical and biochemical inflammatory processes, including CD4 Method: Nineteen patients with knee OA undergoing knee replacement were enrolled. From peripheral blood CD4 Results: Compared to monocultures levels MMP-1/3/9/13 and IL-6 were elevated in all co-cultures of chondrocytes and CD4 Conclusion: This study indicates that chondrocytes can interact with CD4

Indexed as

ChondrocytesCytokinesInflammationMetalloproteinasesOsteoarthritisT cells

Identifiers

PMID40612887
PMCPMC12226085

What OpenQuestion holds

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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.