RRC ID 42536
Author Mori M, Nakajima M, Mikami Y, Seki S, Takigawa M, Kubo T, Ikegawa S.
Title Transcriptional regulation of the cartilage intermediate layer protein (CILP) gene.
Journal Biochem Biophys Res Commun
Abstract Cartilage intermediate layer protein (CILP) is an extracellular matrix protein abundant in cartilaginous tissues. CILP is implicated in common musculoskeletal disorders, including osteoarthritis and lumbar disc disease. Regulation of the CILP gene is largely unknown, however. We have found that CILP mRNA expression is induced by TGF-beta1 and dependent upon signaling via TGF-beta receptors. TGF-beta1 induction of CILP is mediated by Smad3, which acts directly through cis-elements in the CILP promoter region. Pathways other than Smad3 also are involved in TGF-beta1 induction of CILP. These observations, together with the finding that CILP protein binds and inhibits TGF-beta1, suggest that CILP and TGF-beta1 may form a functional feedback loop that controls chondrocyte metabolism.
Volume 341(1)
Pages 121-7
Published 2006-3-3
DOI 10.1016/j.bbrc.2005.12.159
PII S0006-291X(05)02940-2
PMID 16413503
MeSH Cell Line Chondrocytes / drug effects Chondrocytes / metabolism* Extracellular Matrix Proteins / metabolism* Gene Expression Regulation / drug effects Gene Expression Regulation / physiology Humans Pyrophosphatases / metabolism* Receptors, Transforming Growth Factor beta / metabolism* Signal Transduction / drug effects Signal Transduction / physiology Smad3 Protein / metabolism* Transcriptional Activation / drug effects Transcriptional Activation / physiology* Transforming Growth Factor beta / metabolism* Transforming Growth Factor beta1
IF 2.985
Times Cited 18
WOS Category BIOPHYSICS BIOCHEMISTRY & MOLECULAR BIOLOGY
Resource
Human and Animal Cells ATDC5(RCB0565) HuH-7(RCB1366)