期刊
CYTOKINE & GROWTH FACTOR REVIEWS
卷 39, 期 -, 页码 124-136出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cytogfr.2017.12.003
关键词
Proteoglycan; Glycosaminoglycan; Cell signaling; Cancer; Betaglycan; Syndecan
资金
- National Institutes of Health (NIH) [5P20-GM109091]
- Marsha Rivkin Foundation
- USC SPARC Graduate Research Grant
- AAUW Dissertation Fellowship
- NIH Predoctoral F31 Fellowship [GM122379-01]
Aberrant cell signaling in response to secreted growth factors has been linked to the development of multiple diseases, including cancer. As such, understanding mechanisms that control growth factor availability and receptor- growth factor interaction is vital. Dually modified transmembrane proteoglycans (DMTPs), which are classified as cell surface macromolecules composed of a core protein decorated with covalently linked heparan sulfated (HS) and/or chondroitin sulfated (CS) glycosaminoglycan (GAG) chains, provide one type of regulatory mechanism. Specifically, DMTPs betaglycan and syndecan-1 (SDC1) play crucial roles in modulating key cell signaling pathways, such as Wnt, transforming growth factor-beta and fibroblast growth factor signaling, to affect epithelial cell biology and cancer progression. This review outlines current and potential functions for betaglycan and SDC1, with an emphasis on comparing individual roles for HS and CS modified DMTPs. We highlight the mutual dependence of DMTPs' GAG chains and core proteins and provide comprehensive knowledge on how these DMTPs, through regulation of ligand availability and receptor internalization, control cell signaling pathways involved in development and disease.
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