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      Insulin-like growth factors and cancer

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      The Lancet Oncology

      Elsevier BV

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          Abstract

          Interest in insulin-like growth factors (IGFs) and their effect on carcinogenesis has increased recently because high serum concentrations of IGF1 are associated with an increased risk of breast, prostate, colorectal, and lung cancers. Physiologically, IGF1 is the major mediator of the effects of the growth hormone; it thus has a strong influence on cell proliferation and differentiation and is a potent inhibitor of apoptosis. The action of IGF1 is predominantly mediated through the IGF1 receptor (IGF1R). IGF1R is involved in several oncogenic transformation processes. The availability of unbound IGF1 for interaction with IGF1R is modulated by IGF-binding proteins (IGFBP1-6). IGFBPs, especially IGFBP3, have independent effects on cell growth, for example, IGFBP3 has proapoptotic activities both dependent on and independent of p53.

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          Author and article information

          Journal
          The Lancet Oncology
          The Lancet Oncology
          Elsevier BV
          14702045
          May 2002
          May 2002
          : 3
          : 5
          : 298-302
          Article
          12067807
          © 2002

          https://www.elsevier.com/tdm/userlicense/1.0/

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