Gene expression profiles in chondrosarcoma cells subjected to cyclic stretching and hydrostatic pressure. A cDNA array study

Hannu M. Karjalainen, Reijo K. Sironen, Mika A. Elo, Kai Kaarniranta, Masaharu Takigawa, Heikki J. Helminen, Mikko J. Lammi

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Mechanical forces have a profound effect on cartilage tissue and chondrocyte metabolism. Strenuous loading inhibits the cellular metabolism, while optimal level of loading at correct frequency raises an anabolic response in chondrocytes. In this study, we used Atlas Human Cancer cDNA array to investigate mRNA expression profiles in human chondrosarcoma cells stretched 8% for 6 hours at a frequency of 0.5 Hz. In addition, cultures were exposed to continuous and cyclic (0.5 Hz) 5 MPa hydrostatic pressure. Cyclic stretch had a more profound effect on the gene expression profiles than 5 MPa hydrostatic pressure. Several genes involved with the regulation of cell cycle were increased in stretched cells, as well as mRNAs for PDGF-B, glucose-1-phosphate uridylyltransferase, Tiam1, cdc37 homolog, Gem, integrin α6, and matrix metalloproteinase-3. Among down-regulated genes were plakoglobin, TGF-α, retinoic acid receptor-α and Wnt8b. A smaller number of changes was detected after pressure treatments. Plakoglobin was increased under cyclic and continuous 5 MPa hydrostatic pressure, while mitogen-activated protein kinase-9, proliferating cell nuclear antigen, Rad6, CD9 antigen, integrins αE and β8, and vimentin were decreased. Cyclic and continuous pressurization induces a number of specific changes. In conclusion, a different set of genes were affected by three different types of mechanical stimuli applied on chondrosarcoma cells.

Original languageEnglish
Pages (from-to)93-100
Number of pages8
JournalBiorheology
Volume40
Issue number1-3
Publication statusPublished - 2002

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Chondrosarcoma
Hydrostatic Pressure
Oligonucleotide Array Sequence Analysis
Transcriptome
gamma Catenin
Chondrocytes
Integrins
CD9 Antigen
Mitogen-Activated Protein Kinase 9
Genes
Matrix Metalloproteinase 3
Messenger RNA
Retinoic Acid Receptors
Atlases
Proliferating Cell Nuclear Antigen
Vimentin
Cartilage
Cell Cycle
Pressure
Neoplasms

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Karjalainen, H. M., Sironen, R. K., Elo, M. A., Kaarniranta, K., Takigawa, M., Helminen, H. J., & Lammi, M. J. (2002). Gene expression profiles in chondrosarcoma cells subjected to cyclic stretching and hydrostatic pressure. A cDNA array study. Biorheology, 40(1-3), 93-100.

Gene expression profiles in chondrosarcoma cells subjected to cyclic stretching and hydrostatic pressure. A cDNA array study. / Karjalainen, Hannu M.; Sironen, Reijo K.; Elo, Mika A.; Kaarniranta, Kai; Takigawa, Masaharu; Helminen, Heikki J.; Lammi, Mikko J.

In: Biorheology, Vol. 40, No. 1-3, 2002, p. 93-100.

Research output: Contribution to journalArticle

Karjalainen, HM, Sironen, RK, Elo, MA, Kaarniranta, K, Takigawa, M, Helminen, HJ & Lammi, MJ 2002, 'Gene expression profiles in chondrosarcoma cells subjected to cyclic stretching and hydrostatic pressure. A cDNA array study', Biorheology, vol. 40, no. 1-3, pp. 93-100.
Karjalainen, Hannu M. ; Sironen, Reijo K. ; Elo, Mika A. ; Kaarniranta, Kai ; Takigawa, Masaharu ; Helminen, Heikki J. ; Lammi, Mikko J. / Gene expression profiles in chondrosarcoma cells subjected to cyclic stretching and hydrostatic pressure. A cDNA array study. In: Biorheology. 2002 ; Vol. 40, No. 1-3. pp. 93-100.
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