21. Human Rights Watch reports that the government represses nearly all forms of political dissent. 22. On the other hand, KLF3 represses KLF8. 23. Ubx also selectively represses one enhancer of the vestigial genes in the proximodistal axis. 24. The let-7a microRNA normally represses the " HMGA2 " gene. 25. The longer isoform represses rather than activates transcription from promoters with ATF binding elements. 26. Thalidomide represses that TNF-alpha response. 27. This transcription factor represses the expression of Oct4 and Nanog transcription factors in the trophectoderm. 28. This gene encodes a transcriptional repressor which represses neuronal genes in non-neuronal tissues. 29. It represses MEF2 activity through recruitment of multicomponent corepressor complexes that include CtBP and HDACs. 30. Gsc directly represses the expression of Xwnt-8 while indirectly repressing BMP-4.