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Signaling Mechanisms That Control Gap Junctional Coupling Between Retinal Neurons, Wade Kothmann
Signaling Mechanisms That Control Gap Junctional Coupling Between Retinal Neurons, Wade Kothmann
Dissertations & Theses (Open Access)
Gap junctions between neurons form the structural substrate for electrical synapses. Connexin 36 (Cx36, and its non-mammalian ortholog connexin 35) is the major neuronal gap junction protein in the central nervous system (CNS), and contributes to several important neuronal functions including neuronal synchronization, signal averaging, network oscillations, and motor learning. Connexin 36 is strongly expressed in the retina, where it is an obligatory component of the high-sensitivity rod photoreceptor pathway. A fundamental requirement of the retina is to adapt to broadly varying inputs in order to maintain a dynamic range of signaling output. Modulation of the strength of electrical coupling …