Evidence map›Paper›PMID 33754883›Full record

ArticleClinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis

Interrelationship of MMP-9, Proteoglycan-4, and Inflammation in Osteoarthritis Patients Undergoing Total Hip Arthroplasty.

Hannah Slovacek, Rajan Khanna, Pavel Poredos, Peter Poredos, Mateja Jezovnik, Debra Hoppensteadt, Jawed Fareed, William Hopkinson

Open access · goldAbstract read
In one paragraph

Article in Clinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
4.6field-weighted citation impact, top 4% 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

18 citing papers in PubMed, 27 citations in OpenAlex.

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  17. Protective role ofExperimental and therapeutic medicine · 2022
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  18. Long-term intake ofVeterinary world · 2022
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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

8 authors at 3 institutions in 2 countries.

Hannah SlovacekDepartment of Pathology and Laboratory Medicine, 25815Loyola University Medical Center, Maywood, IL, USA.ORCID https://orcid.org/0000-0003-0678-9615
Rajan KhannaDepartment of Pathology and Laboratory Medicine, 25815Loyola University Medical Center, Maywood, IL, USA.ORCID https://orcid.org/0000-0003-2784-8856
Pavel PoredosMedical Clinic Division of Vascular Medicine, University Medical Centre Ljubljana, Slovenia.ORCID https://orcid.org/0000-0002-9913-1419
Peter PoredosDepartment of Anesthesiology and Perioperative Intensive Care, University Medical Centre Ljubljana, Slovenia.ORCID https://orcid.org/0000-0001-5258-443X
Mateja JezovnikDepartment of Advanced Cardiopulmonary Therapies and Transplantation, 12340University of Texas Health Science Center at Houston, TX, USA.ORCID https://orcid.org/0000-0002-5317-0148
Debra HoppensteadtDepartment of Pathology and Laboratory Medicine, Cardiovascular Research Institute, 2456Loyola University Chicago, Health Sciences Division, Maywood, IL, USA.ORCID https://orcid.org/0000-0001-9342-4213
Jawed FareedDepartment of Pathology and Laboratory Medicine, Cardiovascular Research Institute, 2456Loyola University Chicago, Health Sciences Division, Maywood, IL, USA.ORCID https://orcid.org/0000-0003-3465-2499
William HopkinsonOrthopaedic Surgery and Rehabilitation Department, 2456Loyola University Chicago, Health Sciences Division, Maywood, IL, USA.
Loyola University Chicago · USLjubljana University Medical Centre · SILoyola University Medical Center · US

Funding

Summer Research Experience for Medical Students in Inflammation and Infectious DiseasesT35AI125220 · NIAID · LOYOLA UNIVERSITY CHICAGO · PI Edward M. Campbell, Simon Kaja · 2017 to 2026
$510k
NIAID NIH HHS T35 AI125220
6 · The paper itself

Abstract

Osteoarthritis (OA) is a chronic condition marked by joint pain, inflammation and loss of articular cartilage, that can be treated with total joint arthroplasty (TJA) at end stages. TJA is marked by post-operative inflammation, which directly effects levels of cartilage degradation biomarkers, proteoglycan-4 (PRG4) and matrix metalloproteinase-9 (MMP-9). PRG4 is a protective glycoprotein that is decreased in individuals with OA. MMP-9 is a matrix metalloproteinase that contributes to articular cartilage loss and is elevated in OA patients. It is upregulated by pro-inflammatory markers, such as IL-1, IL-6 and CRP. This study aims to elucidate the immediate post-operative changes in levels of PRG4, MMP-9, IL-6, CRP, and WBC in patients undergoing TJA to clarify the role of inflammation in recovery after surgery and in the overall pathogenesis of OA. Blood was collected at 3 time points (day 0, day 1 post-operatively, and days 5-7 post-operatively), from 63 patients undergoing TJA due to OA, and levels of these biomarkers were quantified. IL-6, CRP, WBC and MMP-9 were lowest at day 0, highest at day 1, and stabilized at an intermediate level at days 5-7. Meanwhile, PRG4 followed the opposite trend. These studies suggest that IL-6, CRP and WBC showed predictable fluctuations, with pro-inflammatory biomarkers upregulating MMP-9 and downregulating PRG4. Measuring these biomarkers may help expose the role of inflammation in the post-surgical recovery of TJA patients and in long-term pathogenesis of OA. These levels may help risk stratify patients pre-operatively and help develop individualized post-surgical plans.

Indexed as

Arthroplasty, Replacement, HipFemaleHumansInflammationMaleMatrix Metalloproteinase 9OsteoarthritisProteoglycan 4ProteoglycansMatrix Metalloproteinase 9MMP9 protein, humanPRG4 protein, humanProteoglycan 4Proteoglycanscartilage degradationinflammationmatrix metalloproteinase-9osteoarthritisproteoglycan-4

Identifiers

PMID33754883
PMCPMC7995300
OpenAlexW3136820910

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.