Ling, Jianhua; Baibakov, Boris; Pi, Wenhu et al. (2005) The HS2 enhancer of the beta-globin locus control region initiates synthesis of non-coding, polyadenylated RNAs independent of a cis-linked globin promoter. J Mol Biol 350:883-96
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Ling, Jianhua; Ainol, Lincoyan; Zhang, Ling et al. (2004) HS2 enhancer function is blocked by a transcriptional terminator inserted between the enhancer and the promoter. J Biol Chem 279:51704-13
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Ling, Jianhua; Pi, Wenhu; Yu, Xiuping et al. (2003) The ERV-9 LTR enhancer is not blocked by the HS5 insulator and synthesizes through the HS5 site non-coding, long RNAs that regulate LTR enhancer function. Nucleic Acids Res 31:4582-96
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Ling, Jianhua; Pi, Wenhu; Bollag, Roni et al. (2002) The solitary long terminal repeats of ERV-9 endogenous retrovirus are conserved during primate evolution and possess enhancer activities in embryonic and hematopoietic cells. J Virol 76:2410-23
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Ramchandran, R; Bengra, C; Whitney, B et al. (2000) A (GATA)(7) motif located in the 5' boundary area of the human beta-globin locus control region exhibits silencer activity in erythroid cells. Am J Hematol 65:14-24
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Migliaccio, A R; Bengra, C; Ling, J et al. (2000) Stable and unstable transgene integration sites in the human genome: extinction of the Green Fluorescent Protein transgene in K562 cells. Gene 256:197-214
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Long, Q; Bengra, C; Li, C et al. (1998) A long terminal repeat of the human endogenous retrovirus ERV-9 is located in the 5' boundary area of the human beta-globin locus control region. Genomics 54:542-55
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Kong, S; Bohl, D; Li, C et al. (1997) Transcription of the HS2 enhancer toward a cis-linked gene is independent of the orientation, position, and distance of the enhancer relative to the gene. Mol Cell Biol 17:3955-65
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Cavallesco, R; Tuan, D (1997) Modulatory subdomains of the HS2 enhancer differentially regulate enhancer activity in erythroid cells at different developmental stages. Blood Cells Mol Dis 23:8-26
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Yoo, J; Herman, L E; Li, C et al. (1996) Dynamic changes in the locus control region of erythroid progenitor cells demonstrated by polymerase chain reaction. Blood 87:2558-67
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