期刊
ARTHRITIS RESEARCH & THERAPY
卷 16, 期 2, 页码 -出版社
BIOMED CENTRAL LTD
DOI: 10.1186/ar4542
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资金
- Regional Government of Flanders (GOA program)
- Belgian Federal Government (Interuniversitary Attraction Poles program)
- Government Agency for Innovation by Science and Technology
Early diagnosis and effective monitoring of rheumatoid arthritis ( RA) are important for a positive outcome. Instant treatment often results in faster reduction of inflammation and, as a consequence, less structural damage. Anatomical imaging techniques have been in use for a long time, facilitating diagnosis and monitoring of RA. However, mere imaging of anatomical structures provides little information on the processes preceding changes in synovial tissue, cartilage, and bone. Molecular imaging might facilitate more effective diagnosis and monitoring in addition to providing new information on the disease pathogenesis. A limiting factor in the development of new molecular imaging techniques is the availability of suitable probes. Here, we review which cells and molecules can be targeted in the RA joint and discuss the advances that have been made in imaging of arthritis with a focus on such molecular targets as folate receptor, F4/80, macrophage mannose receptor, E-selectin, intercellular adhesion molecule-1, phosphatidylserine, and matrix metalloproteinases. In addition, we discuss a new tool that is being introduced in the field, namely the use of nanobodies as tracers. Finally, we describe additional molecules displaying specific features in joint inflammation and propose these as potential new molecular imaging targets, more specifically receptor activator of nuclear factor kappa B and its ligand, chemokine receptors, vascular cell adhesion molecule-1, a(V)beta(3) integrin, P2X7 receptor, suppression of tumorigenicity 2, dendritic cell-specific transmembrane protein, and osteoclast-stimulatory transmembrane protein.
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