Abstract
The FBXL subfamily is composed of 22 members including the well-characterized FBXL1 (also known as Skp2) and FBXL2 to FBXL21, each containing an F-box motif and a C-terminal Leu-rich repeat (LRR) domain (Fig. 3.1). Intensive studies have revealed an oncogenic role for Skp2, but the potential roles of other FBXL subfamily members in tumorigenesis have just begun to be appreciated. In this chapter, we primarily focus on summarizing the recent genetic, pathological as well as the biochemical evidence pinpointing a possible tumor suppressor or oncogenic role for each of the FBXL subfamily member proteins. In the following paragraphs, we discuss current advances in three major categories, including the physiological (mouse modeling), pathological (human clinical cancer relevance), and biochemical evidence (updated ubiquitin substrates). These three experimental evidence categories will provide insights to facilitate our understanding for their roles in tumorigenesis (Table 3.4). As stated in previous chapters, given the fact that physiological evidence (mouse modeling results) is considered as the strongest supportive data to implicate any given F-box protein in tumorigenesis (Tables 3.2 and 3.3), we choose to summarize FBXL members with available mouse genetic models.
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North, B.J., Liu, Y., Inuzuka, H., Wei, W. (2014). The Role of FBXL Subfamily of F-box Proteins in Tumorigenesis. In: SCF and APC E3 Ubiquitin Ligases in Tumorigenesis. SpringerBriefs in Cancer Research. Springer, Cham. https://doi.org/10.1007/978-3-319-05026-3_3
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DOI: https://doi.org/10.1007/978-3-319-05026-3_3
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