Functional and Structural Characterization of FAU Gene/Protein from Marine Sponge Suberites domuncula
AbstractFinkel-Biskis-Reilly murine sarcoma virus (FBR-MuSV) ubiquitously expressed (FAU) gene is down-regulated in human prostate, breast and ovarian cancers. Moreover, its dysregulation is associated with poor prognosis in breast cancer. Sponges (Porifera) are animals without tissues which branched off first from the common ancestor of all metazoans. A large majority of genes implicated in human cancers have their homologues in the sponge genome. Our study suggests that FAU gene from the sponge Suberites domuncula reflects characteristics of the FAU gene from the metazoan ancestor, which have changed only slightly during the course of animal evolution. We found pro-apoptotic activity of sponge FAU protein. The same as its human homologue, sponge FAU increases apoptosis in human HEK293T cells. This indicates that the biological functions of FAU, usually associated with “higher” metazoans, particularly in cancer etiology, possess a biochemical background established early in metazoan evolution. The ancestor of all animals possibly possessed FAU protein with the structure and function similar to evolutionarily more recent versions of the protein, even before the appearance of true tissues and the origin of tumors and metastasis. It provides an opportunity to use pre-bilaterian animals as a simpler model for studying complex interactions in human cancerogenesis. View Full-Text
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Perina, D.; Korolija, M.; Hadžija, M.P.; Grbeša, I.; Belužić, R.; Imešek, M.; Morrow, C.; Marjanović, M.P.; Bakran-Petricioli, T.; Mikoč, A.; Ćetković, H. Functional and Structural Characterization of FAU Gene/Protein from Marine Sponge Suberites domuncula. Mar. Drugs 2015, 13, 4179-4196.
Perina D, Korolija M, Hadžija MP, Grbeša I, Belužić R, Imešek M, Morrow C, Marjanović MP, Bakran-Petricioli T, Mikoč A, Ćetković H. Functional and Structural Characterization of FAU Gene/Protein from Marine Sponge Suberites domuncula. Marine Drugs. 2015; 13(7):4179-4196.Chicago/Turabian Style
Perina, Dragutin; Korolija, Marina; Hadžija, Marijana P.; Grbeša, Ivana; Belužić, Robert; Imešek, Mirna; Morrow, Christine; Marjanović, Melanija P.; Bakran-Petricioli, Tatjana; Mikoč, Andreja; Ćetković, Helena. 2015. "Functional and Structural Characterization of FAU Gene/Protein from Marine Sponge Suberites domuncula." Mar. Drugs 13, no. 7: 4179-4196.