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Title: Neuron-specific expression and physiological regulation of bovine vasopressin transgenes in mice
Authors: Ang, H.-L. 
Carter, D.A. 
Murphy, D. 
Keywords: Hypothalamic neurons
Neuronal gene regulation
Physiological regulation
Transgenic mice
Issue Date: 1993
Citation: Ang, H.-L.,Carter, D.A.,Murphy, D. (1993). Neuron-specific expression and physiological regulation of bovine vasopressin transgenes in mice. EMBO Journal 12 (6) : 2397-2409. ScholarBank@NUS Repository.
Abstract: We have used transgenic mice to analyse the regulation of the bovine vasopressin (BVP) gene. We find that the restriction of BVP gene expression to anatomically and functionally distinct hypothalamic neuronal groups is achieved, in part, by selective repression. The expression of a 1.25 kb BVP proximal promoter, which on its own confers general expression of a reporter to most peripheral and brain tissues, was limited by sequences in the BVP structural gene to neural cells in the adrenal medulla and brain. Transgene expression in the hypothalamus was shown to be regulated by the physiological stimulus of dehydration in parallel with the endogenous gene. The expression of a larger 13.4 kb BVP transgene, containing 9 kb of 5′ upstream sequence, the VP structural gene and 1.5 kb 3′ of the transcription unit, was even more restricted and resembles that of the endogenous mouse gene. Hypothalamic expression of the 13.4 kb BVP transgene was regulated appropriately in response to an osmotic challenge.
Source Title: EMBO Journal
ISSN: 02614189
Appears in Collections:Staff Publications

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