Abstract
SOX18 transcription factor plays important roles in a range of biological processes such as vasculogenesis, hair follicle development, lymphangiogenesis, atherosclerosis, and angiogenesis. In this paper we present the generation of a novel SOX18 dominant-negative mutant (SOX18DN) encoding truncated SOX18 protein that lacks a trans-activation domain. We show that both wild-type SOX18 (SOX18wt) and truncated human SOX18 proteins are able to bind to their consensus sequence in vitro. Functional analysis confirmed that SOX18wt has potent trans-activation properties, while SOX18DN displays dominant-negative effect. We believe that these SOX18wt and SOX18DN expression constructs could be successfully used for further characterization of the function of this protein.
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Abbreviations
- HMG:
-
high mobility group box
- SOX18wt :
-
wild-type SOX18
- SOX18DN:
-
truncated dominant-negative mutant protein SOX18
- Sry gene:
-
sex determining region of Y chromosome
- TAD:
-
trans-activation domain (of SOX18)
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Published in Russian in Biokhimiya, 2013, Vol. 78, No. 11, pp. 1635–1642.
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Milivojevic, M., Petrovic, I., Kovacevic-Grujicic, N. et al. Construction and functional analysis of novel dominant-negative mutant of human SOX18 protein. Biochemistry Moscow 78, 1287–1292 (2013). https://doi.org/10.1134/S0006297913110096
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DOI: https://doi.org/10.1134/S0006297913110096