Evidence map›Paper›PMID 40619495›Full record

ArticleScientific reports2025

The articularis genu as a surrogate for structural determinants of peri-articular myopenia in osteoarthritis.

Davis Martin, José A Cruz Ayala, Mary C Gatterer, Tara Soria, Ryan Schroeder, Vinod Dasa, Luis Marrero

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Davis MartinSchool of Medicine, Louisiana State University Health Sciences Center, 533 Bolivar St., Clinical Sciences Research Building, rm. 527, New Orleans, LA, 70112, USA.
José A Cruz AyalaSchool of Medicine, Louisiana State University Health Sciences Center, 533 Bolivar St., Clinical Sciences Research Building, rm. 527, New Orleans, LA, 70112, USA.
Mary C GattererDepartment of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
Tara SoriaMorphology and Imaging Core, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
Ryan SchroederSchool of Medicine, Louisiana State University Health Sciences Center, 533 Bolivar St., Clinical Sciences Research Building, rm. 527, New Orleans, LA, 70112, USA.
Vinod DasaDepartment of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, USA.
Luis MarreroDepartment of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, USA. lmarre@lsuhsc.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The functional limitations associated with the painful stiffness of knee osteoarthritis (kOA) can affect the muscles of the knee, such as the quadriceps femoris (QF) and articularis genu (AG). The vastus medialis oblique (VMO) of the QF complex is particularly sensitive to kOA. The AG, which can be sampled during total knee arthroplasty (TKA) for kOA, can provide information about the condition of the QF when affected by patient-reported disuse, helping to identify indicators of muscle weakness in the synovial fluid. This study compares the structural and gene expression changes between the VMO and the AG collected from patients with advanced kOA at the time of TKA. The histological measurements were validated using quantitative polymerase chain reaction to analyze the expression of genes related to myofiber characteristics and fibrosis. The results showed similar distribution and size changes in muscle fibers and collagen deposition in the AG compared to the VMO. This suggests that the AG can be used to study kOA-related changes in the medial QF. These findings could help develop personalized rehabilitation strategies for kOA patients by examining the relationship between AG characteristics and the local secretion of myokines and growth factors related to muscle health, allowing for practical synovial fluid analytics to assess the health of articular muscles before TKA.

Indexed as

Osteoarthritis, KneeQuadriceps MuscleAgedArthroplasty, Replacement, KneeFemaleHumansKnee JointMaleMiddle Aged

Identifiers

PMID40619495
PMCPMC12230165

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