Journal
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY
Volume 145, Issue 1, Pages 19-29Publisher
SPRINGER
DOI: 10.1007/s00432-018-2796-0
Keywords
FTO; M(6)A RNA demethylase; Tumourigenesis; Oncogene; Proliferation; Chemo-radiotherapy resistance
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Funding
- National Natural Science Foundation of China (China) [31201028, 81872893]
- Fundamental Research Fund for the Central Universities (China) [21617462]
- Guangzhou Science Technology and Innovation Commission (China) [201707010099]
- Medical Scientific Research Foundation of Guangdong Province (China) [A2017574]
- Provincial Undergraduates' Innovation and Entrepreneurship Training Programs (China) [82618257]
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PurposeThe fat mass- and obesity-associated (FTO) gene on chromosome 16q12.2 shows an intimate association with obesity and body mass index. Recently, research into the FTO gene and its expression product has attracted widespread interest due to the identification of FTO as an N6-methyladenosine (m6A) demethylase. FTO primarily regulates the m6A levels of downstream targets via their 3 untranslated regions. FTO not only plays a critical role in obesity-related diseases but also is involved in the occurrence, development and prognosis of many types of cancer, such as acute myeloid leukaemia, glioblastoma and breast cancer. Currently, studies indicate that FTO is a crucial component of m6A modification, it regulates cancer stem cell function, and promotes the growth, self-renewal and metastasis of cancer cells. In this review, we summarized and analysed the data regarding the structural features and biological functions of FTO as well as its association with different cancers and possible molecular mechanisms.MethodsWe systematically reviewed the related literatures regarding FTO and its demethylation activity in many pathologic and physiological processes, especially in cancer-related diseases based on PubMed databases in this article.ResultsMounting evidence indicated that FTO plays a critical role in occurrence, progression and treatment of various cancers, even acting as a cancer oncogene in acute myeloid leukaemia, research on which is no longer restricted to metabolic diseases such as obesity and diabetes.ConclusionConsidering FTO's critical role in many diseases, FTO may become a new promising target for the diagnosis and treatment of various diseases in the near future, especially for specific types of cancers, such as acute myeloid leukaemia, glioblastoma and breast cancer.
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