IGF2 and cancer.
Livingstone, C (2013) IGF2 and cancer. Endocrine-Related Cancer, 20 (6). R321-R339.
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Insulin-like growth factor 2 (IGF2) is a 7.5 kDa mitogenic peptide hormone expressed by liver and many other tissues. It is three times more abundant in serum than IGF1, but our understanding of its physiological and pathological roles has lagged behind that of IGF1. Expression of the IGF2 gene is strictly regulated. Over-expression occurs in many cancers and is associated with a poor prognosis. Elevated serum IGF2 is also associated with increased risk of developing various cancers including colorectal, breast, prostate and lung. There is established clinical utility for IGF2 measurement in the diagnosis of non-islet cell tumour hypoglycaemia, a condition characterised by a molar IGF2:IGF1 ratio >10. Recent advances in understanding of the pathophysiology of IGF2 in cancer have suggested much novel clinical utility for its measurement. Measurement of IGF2 in blood and genetic and epigenetic tests of the IGF2 gene may help assess cancer risk and prognosis. Further studies will determine whether these tests enter clinical practice. New therapeutic approaches are being developed to target IGF2 action. This review provides a clinical perspective on IGF2 and an update on recent research findings.
|Subjects :||Medical Science|
|Divisions :||Faculty of Health and Medical Sciences > School of Biosciences and Medicine|
|Date :||1 December 2013|
|Identification Number :||10.1530/ERC-13-0231|
|Copyright Disclaimer :||© 2013 Society for Endocrinology|
|Uncontrolled Keywords :||IGF2, cancer, non-islet cell tumour hypoglycaemia, Animals, Humans, Insulin-Like Growth Factor II, Neoplasms|
|Related URLs :|
|Depositing User :||Symplectic Elements|
|Date Deposited :||01 Sep 2016 07:57|
|Last Modified :||01 Sep 2016 07:57|
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