Inhibition of proteoglycan synthesis by transforming growth factor beta in anatomically intact articular cartilage of murine patellae. 1992

P M van der Kraan, and E L Vitters, and W B van den Berg
Department of Rheumatology, University Hospital Nijmegen, The Netherlands.

The effect of transforming growth factor beta (TGF beta) on proteoglycan synthesis and degradation in anatomically intact articular cartilage of murine patellae was studied. Exogenously added TGF beta up to a concentration of 200 pmol/l had no effect on proteoglycan synthesis in intact articular cartilage. Neutralisation of endogenously produced TGF beta with a specific monoclonal antibody to TGF beta, however, led to stimulation of proteoglycan synthesis, indicating that TGF beta itself inhibits proteoglycan synthesis in anatomically intact cartilage. Transforming growth factor beta decreased the degradation of proteoglycans in intact cartilage in the absence of fetal calf serum or insulin-like growth factor 1. In the presence of fetal calf serum or insulin-like growth factor 1, TGF beta had no additional effect on proteoglycan breakdown.

UI MeSH Term Description Entries
D007334 Insulin-Like Growth Factor I A well-characterized basic peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like, and mitogenic activities. This growth factor has a major, but not absolute, dependence on GROWTH HORMONE. It is believed to be mainly active in adults in contrast to INSULIN-LIKE GROWTH FACTOR II, which is a major fetal growth factor. IGF-I,Somatomedin C,IGF-1,IGF-I-SmC,Insulin Like Growth Factor I,Insulin-Like Somatomedin Peptide I,Insulin Like Somatomedin Peptide I
D010329 Patella The flat, triangular bone situated at the anterior part of the KNEE. Knee Cap,Kneecap,Knee Caps,Kneecaps,Patellas
D011509 Proteoglycans Glycoproteins which have a very high polysaccharide content. Proteoglycan,Proteoglycan Type H
D002358 Cartilage, Articular A protective layer of firm, flexible cartilage over the articulating ends of bones. It provides a smooth surface for joint movement, protecting the ends of long bones from wear at points of contact. Articular Cartilage,Articular Cartilages,Cartilages, Articular
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D016212 Transforming Growth Factor beta A factor synthesized in a wide variety of tissues. It acts synergistically with TGF-alpha in inducing phenotypic transformation and can also act as a negative autocrine growth factor. TGF-beta has a potential role in embryonal development, cellular differentiation, hormone secretion, and immune function. TGF-beta is found mostly as homodimer forms of separate gene products TGF-beta1, TGF-beta2 or TGF-beta3. Heterodimers composed of TGF-beta1 and 2 (TGF-beta1.2) or of TGF-beta2 and 3 (TGF-beta2.3) have been isolated. The TGF-beta proteins are synthesized as precursor proteins. Bone-Derived Transforming Growth Factor,Platelet Transforming Growth Factor,TGF-beta,Milk Growth Factor,TGFbeta,Bone Derived Transforming Growth Factor,Factor, Milk Growth,Growth Factor, Milk
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

Related Publications

P M van der Kraan, and E L Vitters, and W B van den Berg
September 1994, Archives of biochemistry and biophysics,
P M van der Kraan, and E L Vitters, and W B van den Berg
April 1991, Archives of biochemistry and biophysics,
P M van der Kraan, and E L Vitters, and W B van den Berg
June 2000, Arthritis and rheumatism,
P M van der Kraan, and E L Vitters, and W B van den Berg
August 1994, Laboratory investigation; a journal of technical methods and pathology,
P M van der Kraan, and E L Vitters, and W B van den Berg
August 1991, Archives of biochemistry and biophysics,
P M van der Kraan, and E L Vitters, and W B van den Berg
January 1994, Seminars in thrombosis and hemostasis,
P M van der Kraan, and E L Vitters, and W B van den Berg
November 1994, Archives of biochemistry and biophysics,
P M van der Kraan, and E L Vitters, and W B van den Berg
April 1985, The Journal of rheumatology,
P M van der Kraan, and E L Vitters, and W B van den Berg
January 1994, Archives of orthopaedic and trauma surgery,
Copied contents to your clipboard!