OBJECTIVE Matrix metalloproteinases (MMPs) are expressed in joint tissues of patients with
rheumatoid arthritis (RA) and osteoarthritis (OA). The objective of this study was to define …

Cementless total hip replacement (THR) is rapidly being accepted as the surgery for arthritic
diseases of the hip joint. The bone-ingrowth rate in porous-type cementless implants was …

Adipose tissue derived stromal cells (ATSCs), which were isolated from adipose tissue of
rabbit, have shown to possess multipotential, that is, they differentiate into osteoblasts and …

Objective. To evaluate the efficacy of stromelysin‐1 (matrix metalloproteinase–3 [MMP‐3])
and tissue inhibitor of metalloproteinases–1 (TIMP‐1) in serum as markers for joint …

Background Local microbial infections induced by multiple-drug-resistant bacteria in the
orthopedic field can be intractable, therefore development of new therapeutic modalities is …

Photodynamic therapy (PDT) for localized microbial infections exerts its therapeutic effect both
by direct bacterial killing and also by the bactericidal effects of host neutrophils stimulated …

Objective. To investigate the roles of SPARC (secreted protein, acidic and rich in cysteine) (osteonectin)
in arthritis, using cartilage and synovium specimens and synovial fluids (SF) …

Study Design: Comparative biomechanical study by finite element (FE) method. Objective:
To investigate the pullout strength of pedicle screws using different insertional trajectories. …

Background The Omicron variant of severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2)
was identified in Japan in November 2021. This variant contains up to 36 …

Joint fluid levels of carboxy-terminal type II procollagen peptide (pCOL II-C) were measured
in osteoarthritis, rheumatoid arthritis and traumatic arthritis by a newly developed one-step …