Load-controlled compression of articular cartilage induces a transient stimulation of aggrecan gene expression

WB Valhmu, EJ Stazzone, NM Bachrach… - Archives of Biochemistry …, 1998 - Elsevier
The effects of short-and long-term load-controlled compression on the levels of aggrecan
mRNA have been determined. Results show that a compressive stress of 0.1 MPa on bovine …

Down‐regulation of chondrocyte aggrecan and type‐II collagen gene expression correlates with increases in static compression magnitude and duration

PM Ragan, AM Badger, M Cook, VI Chin… - Journal of …, 1999 - Wiley Online Library
The goal of this study was to examine the simultaneous effects of mechanical compression
of chondrocytes on mRNA expression and macromolecular synthesis of aggrrecan and type …

Expression of reduced amounts of structurally altered aggrecan in articular cartilage chondrocytes exposed to high hydrostatic pressure

MJ Lammi, R Inkinen, JJ Parkkinen… - Biochemical …, 1994 - portlandpress.com
The effect of hydrostatic pressure on proteoglycan (PG) metabolism of chondrocyte cultures
was examined using a specially designed test chamber. Primary cultures of bovine articular …

[HTML][HTML] Mechanical compression of cartilage explants induces multiple time-dependent gene expression patterns and involves intracellular calcium and cyclic AMP

JB Fitzgerald, M Jin, D Dean, DJ Wood… - Journal of Biological …, 2004 - ASBMB
Chondrocytes are influenced by mechanical forces to remodel cartilage extracellular matrix.
Previous studies have demonstrated the effects of mechanical forces on changes in …

myo-Inositol 1, 4, 5-trisphosphate and Ca2+/calmodulin-dependent factors mediate transduction of compression-induced signals in bovine articular chondrocytes

WB Valhmu, FJ Raia - Biochemical Journal, 2002 - portlandpress.com
Although the effects of mechanical loading on chondrocyte metabolic activities have been
extensively characterized, the sequence of events through which extracellular mechanical …

In vitro stimulation of articular chondrocyte mRNA and extracellular matrix synthesis by hydrostatic pressure

RL Smith, SF Rusk, BE Ellison… - Journal of …, 1996 - Wiley Online Library
This study tested the effects of hydrostatic pressure (10 MPa) on adult articular chondrocyte
mRNA and extracellular matrix synthesis in vitro. High density primary cultures of bovine …

Compression of cartilage results in differential effects on biosynthetic pathways for aggrecan, link protein, and hyaluronan

YJ Kim, AJ Grodzinsky, AHK Plaas - Archives of biochemistry and …, 1996 - Elsevier
The differential effects of static compression and recovery from compression on biosynthesis
and biosynthetic pathways of aggrecan, link protein, and hyaluronan were assessed. During …

Mechanoregulation of human articular chondrocyte aggrecan and type II collagen expression by intermittent hydrostatic pressure in vitro

T Ikenoue, MCD Trindade, MS Lee, EY Lin… - Journal of orthopaedic …, 2003 - Elsevier
This study addressed the hypothesis that duration and magnitude of applied intermittent
hydrostatic pressure (IHP) are critical parameters in regulation of normal human articular …

Altered aggrecan synthesis correlates with cell and nucleus structure in statically compressed cartilage

MD Buschmann, EB Hunziker, YJ Kim… - Journal of cell …, 1996 - journals.biologists.com
Previous studies have shown that static equilibrium compression of cartilage tissue in vivo
and in vitro decreases chondrocyte synthesis of aggrecan molecules. In order to identify …

Time-dependent aggrecan gene expression of articular chondrocytes in response to hyperosmotic loading

GD Palmer, F Raia, RL Mauck, WB Valhmu… - Osteoarthritis and …, 2001 - Elsevier
Objective To investigate the effects of increasing extracellular osmolality on aggrecan gene
expression and cell size in cultured chondrocytes. Design Aggrecan promoter activity and …