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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 2 of 2
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Local Corticotropin Releasing Hormone (Crh) Signals To Its Receptor Crhr1 During Postnatal Development Of The Mouse Olfactory Bulb., Isabella Garcia, Paramjit K Bhullar, Burak Tepe, Joshua Ortiz-Guzman, Longwen Huang, Alexander M Herman, Lesley Chaboub, Benjamin Deneen, Nicholas J Justice, Benjamin R Arenkiel
Local Corticotropin Releasing Hormone (Crh) Signals To Its Receptor Crhr1 During Postnatal Development Of The Mouse Olfactory Bulb., Isabella Garcia, Paramjit K Bhullar, Burak Tepe, Joshua Ortiz-Guzman, Longwen Huang, Alexander M Herman, Lesley Chaboub, Benjamin Deneen, Nicholas J Justice, Benjamin R Arenkiel
Faculty Publications
Neuropeptides play important physiological functions during distinct behaviors such as arousal, learning, memory, and reproduction. However, the role of local, extrahypothalamic neuropeptide signaling in shaping synapse formation and neuronal plasticity in the brain is not well understood. Here, we characterize the spatiotemporal expression profile of the neuropeptide corticotropin-releasing hormone (CRH) and its receptor CRHR1 in the mouse OB throughout development. We found that CRH-expressing interneurons are present in the external plexiform layer, that its cognate receptor is expressed by granule cells, and show that both CRH and CRHR1 expression enriches in the postnatal period when olfaction becomes important towards olfactory-related …
Novel Role Of Antioxidant-1 (Atox1) As A Copper-Dependent Transcription Factor Involved In Cell Proliferation, S. Itoh, H. W. Kim, O. Nakagawa, K. Ozumi, Susan M. Lessner, H. Aoki, K. Akram, R. D. Mckinney, M. Ushio-Fukai, T. Fukai
Novel Role Of Antioxidant-1 (Atox1) As A Copper-Dependent Transcription Factor Involved In Cell Proliferation, S. Itoh, H. W. Kim, O. Nakagawa, K. Ozumi, Susan M. Lessner, H. Aoki, K. Akram, R. D. Mckinney, M. Ushio-Fukai, T. Fukai
Faculty Publications
Copper plays a fundamental role in regulating cell growth. Many types of human cancer tissues have higher copper levels than normal tissues. Copper can also induce gene expression. However, transcription factors that mediate copper-induced cell proliferation have not been identified in mammals. Here we show that antioxidant-1 (Atox1), previously appreciated as a copper chaperone, represents a novel copper-dependent transcription factor that mediates copper-induced cell proliferation. Stimulation of mouse embryonic fibroblasts (MEFs) with copper markedly increased cell proliferation, cyclin D1 expression, and entry into S phase, which were completely abolished in Atox1-/- MEFs. Promoter analysis and EMSA revealed that copper …