期刊
TRENDS IN ENDOCRINOLOGY AND METABOLISM
卷 27, 期 6, 页码 375-391出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tem.2016.03.019
关键词
-
资金
- National Institutes of Health [AG-02331]
Insulin-like growth factors (IGFs) circulate in extracellular fluids bound to a family of binding proteins. Although they function in a classical manner to limit the access of the IGFs to their receptors they also have a multiplicity of actions that are independent of this property; they bind to their own receptors or are transported to intracellular and intranuclear sites to influence cellular functions that may directly or indirectly modify IGF actions. The availability of genetically modified animals has helped to determine their functions in a physiological context. These results show that many of their actions are cell type- and context-specific, and have led to a broader understanding of how these proteins function coordinately with IGF-I and -II to regulate growth and metabolism.
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