Evidence map›Paper›PMID 32499193›Full record

ReviewCytokine & growth factor reviews2020

The pathogenic importance of CCL21 and CCR7 in rheumatoid arthritis.

Katrien Van Raemdonck, Sadiq Umar, Shiva Shahrara

Abstract readReview
In one paragraph

Review in Cytokine & growth factor reviews, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing 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

31 citing papers in PubMed.

  1. Observational
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  7. Neocnidilide and 6-Gingerol as Key Bioactives in Fresh and DriedInternational journal of molecular sciences · 2025
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  14. Macrophage polarization and macrophage-related factor expression in hypertrophy of the ligamentum flavum.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2024
    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

3 authors.

Katrien Van RaemdonckJesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States.
Sadiq UmarJesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States.
Shiva ShahraraJesse Brown VA Medical Center, Chicago, IL 60612, United States; Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, IL 60612, United States. Electronic address: shahrara@uic.edu.

Funding

Identifying a novel pathway that regulates RA immunometabolismR01AI167155 · NIAID · UNIVERSITY OF ILLINOIS AT CHICAGO · PI SHIVA SHAHRARA · 2022 to 2026
$2.9M
Engineering a unique antibody for patients with RAR41AI147697 · NIAID · ABWIZ BIO, INC. · PI MARUYAMA, TOSHIAKI, SHAHRARA, SHIVA · 2020 to 2021
$600k
Development of small molecule TLR5 inhibitors for rheumatoid arthritis therapyR43AG057312 · NIA · MICROBIOTIX, INC · PI ARON, ZACHARY DAVID, SHAHRARA, SHIVA · 2017 to 2018
$433k
Identifying a novel link between two potent proangiogenic cascades in RAR03AR065778 · NIAMS · UNIVERSITY OF ILLINOIS AT CHICAGO · PI SHAHRARA, SHIVA · 2014 to 2016
$239k
The Role of IL-17 in Monocyte MigrationR03AR056099 · NIAMS · UNIVERSITY OF ILLINOIS AT CHICAGO · PI SHAHRARA, SHIVA · 2009 to 2011
$229k
Ligation of TLR7 promotes joint inflammation and bone loss in RA.I01BX002286 · VA · JESSE BROWN VA MEDICAL CENTER · PI SHAHRARA, SHIVA · 2015 to 2023
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BLRD VA I01 BX002286NIAID NIH HHS R01 AI167155NIAID NIH HHS R41 AI147697NIAMS NIH HHS R03 AR056099NIAMS NIH HHS R03 AR065778NIA NIH HHS R43 AG057312
6 · The paper itself

Abstract

Innate and adaptive immunity regulate the inflammatory and erosive phenotypes observed in rheumatoid arthritis (RA) patients. Hence, identifying novel pathways that participate in different stages of RA pathology will provide valuable insights concerning the mechanistic behavior of different joint leukocytes and the strategy to restrain their activity. Recent findings have revealed that CCL21 poses as a risk factor for RA and expression of its receptor, CCR7, on circulating monocytes is representative of the patient's disease activity score. Expression of CCR7 was found to be the hallmark of RA synovial fluid (SF) M1 macrophages (MФs) and its levels were potentiated in response to M1 mediating factors and curtailed by M2 mediators in naïve MФs. Intriguingly, although both CCR7 ligands, CCL19 and CCL21, are elevated in RA specimens, only CCL21 was predominately responsible for CCR7's pathological manifestation of RA. Unique subset of MФs differentiated in response to CCL21 stimulation, exhibited upregulation in Th17-polarizing monokines. Moreover, CCL21-activated monokines were capable of differentiating naïve T cells into joint Th17 cells, which also partook in RA osteoclastogenesis. Finally, to conserve chronic inflammation, SF CCL21 amplified RA neovascularization directly and indirectly by promoting RA FLS and MΦs to secrete proangiogenic factors, VEGF and IL-17. This review aims to shed light on the broad pathogenic impact of CCL21, linking immunostimulatory MФs with Th17 cells, while concurrently advancing RA bone destruction and neovascularization.

Indexed as

Arthritis, RheumatoidChemokine CCL21Receptors, CCR7Chemokine CCL19HumansMacrophagesMonocytesTh17 CellsCCL21 protein, humanCCR7 protein, humanChemokine CCL19Chemokine CCL21Receptors, CCR7AngiogenesisCCL21CCR7Joint inflammationOsteoclastogenesisRheumatoid arthritis

Identifiers

PMID32499193
PMCPMC10018533

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.