Implicated Role of Liposarcoma Related Fusion Oncoprotein TLS-CHOP in the Dysregulation of Arginine-Specific Methylation through PRMT1
Cell Biology
Volume 1, Issue 2, July 2013, Pages: 18-23
Received: Oct. 3, 2013;
Published: Dec. 10, 2013
Views 4115 Downloads 134
Authors
Kenta Fujimoto, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
Shigeki Arai, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
Maki Matsubara, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
Kun Du, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
Yasuto Araki, Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, 38 Morohongo, Moroyama, Iruma-gun, Saitama 350-0495, Japan
Akio Matsushita, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan; Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka 431-3192, Japan
Riki Kurokawa, Division of Gene Structure and Function, Research Center for Genomic Medicine, Saitama Medical University, 1397-1 Yamane, Hidaka-shi, Saitama 350-1241, Japan
Chromosomal translocation product, TLS-CHOP (Translocated in liposarcoma-CCAAT/enhancer binding protein homologous protein, also named as FUS-DDIT3), has been thought to be a primary cause of myxoid liposarcoma, but the precise molecular function of TLS-CHOP for oncogenesis still remains to be elucidated. Previously we demonstrated that TLS/FUS interacts with protein arginine methyltransferase 1 (PRMT1), and carboxyl-terminal region of TLS is dimethylated by PRMT1. However, it has been uncovered whether TLS-CHOP function is regulated by PRMT1, and is methylated. Here we indicate that TLS-CHOP is not associated with PRMT1 and less methylated even though TLS-CHOP still possesses several potential arginine methylation sites of TLS. Moreover, we established a stable cell line expressing TLS-CHOP as a model system for studying the molecular function of TLS-CHOP. The TLS-CHOP expressing 293T cells exhibited slight growth retardation and decreased level of integrin 51 protein, a fibronectin receptor. It would be possible that the expression of oncoprotein TLS-CHOP might dysregulate arginine-specific methylation elicited via PRMT1 interacting with methylated TLS.
Kenta Fujimoto,
Shigeki Arai,
Maki Matsubara,
Kun Du,
Yasuto Araki,
Akio Matsushita,
Riki Kurokawa,
Implicated Role of Liposarcoma Related Fusion Oncoprotein TLS-CHOP in the Dysregulation of Arginine-Specific Methylation through PRMT1, Cell Biology.
Vol. 1, No. 2,
2013, pp. 18-23.
doi: 10.11648/j.cb.20130102.11
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