Evidence map›Paper›PMID 31550133›Full record

ArticleACS nano2019

Decorin Regulates the Aggrecan Network Integrity and Biomechanical Functions of Cartilage Extracellular Matrix.

Biao Han, Qing Li, Chao Wang, Pavan Patel, Sheila M Adams, Basak Doyran, Hadi T Nia, Ramin Oftadeh, Siyuan Zhou, Christopher Y Li and 8 more

Open access · greenAbstract read
In one paragraph

Article in ACS nano, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed, 1 pooled it
10.5field-weighted citation impact, top 1% 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

69 citing papers in PubMed, 1 synthesis or guideline pooled it, 104 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Early Post‑Traumatic Osteoarthritis Features Greater Cartilage Extracellular Matrix Proteoglycan Loss Compared to the Pericellular Matrix.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2026
    Article
  6. Exercise-myokine relationships in osteoarthritis.Journal of translational medicine · 2026
    Review
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9 more citing papers are in PubMed but not listed here.

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

18 authors at 9 institutions in 2 countries.

Biao HanSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.
Qing LiSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.
Chao WangSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.
Pavan PatelSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.
Sheila M AdamsDepartment of Molecular Pharmacology and Physiology, Morsani School of Medicine , University of South Florida , Tampa , Florida 33612 , United States.
Basak DoyranSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.
Hadi T NiaDepartment of Biomedical Engineering , Boston University , Boston , Massachusetts 02215 , United States.
Ramin OftadehDepartment of Mechanical Engineering , Massachusetts Institute of Technology , Cambridge , Massachusetts 02139 , United States.
Siyuan ZhouCollege of Food Science , Southwest University , Chongqing 400715 , China.
Christopher Y LiDepartment of Materials Science and Engineering , Drexel University , Philadelphia , Pennsylvania 19104 , United States.ORCID 0000-0003-2431-7099
X Sherry LiuMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery , Perelman School of Medicine, University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States.
X Lucas LuDepartment of Mechanical Engineering , University of Delaware , Newark , Delaware 19716 , United States.
Motomi Enomoto-IwamotoDepartment of Orthopaedics, School of Medicine , University of Maryland , Baltimore , Maryland 21201 , United States.
Ling QinMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery , Perelman School of Medicine, University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States.
Robert L MauckMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery , Perelman School of Medicine, University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States.
Renato V IozzoDepartment of Pathology, Anatomy, and Cell Biology , Sidney Kimmel Medical College, Thomas Jefferson University , Philadelphia , Pennsylvania 19107 , United States.
David E BirkDepartment of Molecular Pharmacology and Physiology, Morsani School of Medicine , University of South Florida , Tampa , Florida 33612 , United States.
Lin HanSchool of Biomedical Engineering, Science and Health Systems , Drexel University , Philadelphia , Pennsylvania 19104 , United States.ORCID 0000-0003-4180-1288
Drexel University · USUniversity of Pennsylvania · USUniversity of South Florida · USBoston University · USMassachusetts Institute of Technology · USSouthwest University · CNThomas Jefferson University · USUniversity of Delaware · USUniversity of Maryland, Baltimore · US

Funding

Overall: Resource-based Center for Musculoskeletal Disorders Research (Overall Application)P30AR069619 · NIAMS · UNIVERSITY OF PENNSYLVANIA · PI LOUIS J SOSLOWSKY · 2016 to 2026
$9.1M
Biomechanics of Cartilage: Roles of Decorin in ECM Assembly and DegradationR01AR074490 · NIAMS · DREXEL UNIVERSITY · PI Lin Han · 2019 to 2026
$2.3M
Roles of Decorin and Biglycan in Cartilage Nanomechanics and OsteoarthritisR21AR066824 · NIAMS · DREXEL UNIVERSITY · PI HAN, LIN · 2015 to 2016
$357k
NIAMS NIH HHS P30 AR069619NIAMS NIH HHS R01 AR074490NIAMS NIH HHS R21 AR066824
6 · The paper itself

Abstract

Joint biomechanical functions rely on the integrity of cartilage extracellular matrix. Understanding the molecular activities that govern cartilage matrix assembly is critical for developing effective cartilage regeneration strategies. This study elucidated the role of decorin, a small leucine-rich proteoglycan, in the structure and biomechanical functions of cartilage. In decorin-null cartilage, we discovered a substantial reduction of aggrecan content, the major proteoglycan of cartilage matrix, and mild changes in collagen fibril nanostructure. This loss of aggrecan resulted in significantly impaired biomechanical properties of cartilage, including decreased modulus, elevated hydraulic permeability, and reduced energy dissipation capabilities. At the cellular level, we found that decorin functions to increase the retention of aggrecan in the neo-matrix of chondrocytes, rather than to directly influence the biosynthesis of aggrecan. At the molecular level, we demonstrated that decorin significantly increases the adhesion between aggrecan and aggrecan molecules and between aggrecan molecules and collagen II fibrils. We hypothesize that decorin plays a crucial structural role in mediating the matrix integrity and biomechanical functions of cartilage by providing physical linkages to increase the adhesion and assembly of aggrecan molecules at the nanoscale.

Indexed as

AggrecansCartilage, ArticularDecorinExtracellular MatrixNanostructuresProteoglycansAggrecansDecorinProteoglycansarticular cartilagedecorinextracellular matrixmolecular assemblynanomechanicsporoelasticityproteoglycan

Identifiers

PMID31550133
PMCPMC6892632
OpenAlexW2977074046

What OpenQuestion holds

Textmetadata
LicenceTDM
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.