The insulin-like growth factors (IGFs) participate in the growthand function of almost every organ in the body.1 Because ofthe wide range of their biologic effects and their therapeuticpotential in a variety of clinical disorders, the IGFs havebecome the focus of research by an increasing number of investigators.2,3,4The object of this seminar is to review the clinical aspectsof the IGFs, including their potential therapeutic value, andto discuss briefly their structure, synthesis, regulation, andphysiologic role.
Basic Biochemistry and Physiologic Functions
Structure and Synthesis
The three peptide hormones, or growth factors, in the IGF family insulin, IGF-I, and IGF-II have approximately. . . [Full Text of this Article]
Physiologic Role and Mechanism of Action
Regulation and Differentiation of Function
Tissue IGFs
Pathologic Conditions Associated with Alterations in the IGF System
IGF-I
IGF-II
IGF-I as a Therapeutic Agent
Growth Hormone Insensitivity Syndrome
Insulin Resistance and Diabetes Mellitus
Severe Insulin Resistance
Insulin-Dependent Diabetes Mellitus
Non-Insulin-Dependent Diabetes Mellitus
Side Effects of Short-Term IGF-I Administration
Side Effects of Multiple Subcutaneous Doses of IGF-I
Conclusions
Discussion
Source Information
From the Diabetes Branch, National Institutes of Health, Rm. 85235A, Bldg. 10, Bethesda, MD 20892-1770, where reprint requests should be addressed to Dr. Le Roith.
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