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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

In vitro visualization of respiratory neuron activity in the newborn mouse ventral medulla.

To clarify the neuronal organization of the respiratory center of the mouse, we analyzed the spatio-temporal pattern of respiratory neuron activity in the ventral medulla of a newborn mouse preparation, using optical recordings. We also demonstrated optical images of the respiratory activity of two different lines of knock-out mice (Tlx3-/-, Pbx3-/-) that exhibit respiratory failure leading to neonatal death from dysfunction of central respiratory neuron activity. In the wild type mice, the respiratory neuron activity in the para-facial region of the rostral medulla appeared prior to inspiratory activity in the more caudal ventrolateral medulla. This rostral to caudal activity pattern was basically preserved in Tlx3-/- mice though the activity was more dispersed and weaker than in the wild type mice. Such an activity pattern was not clearly detected in Pbx3-/- mouse preparations. The difference in the spatio-temporal pattern between Tlx3-/- and Pbx3-/- suggests different levels of functional disorder of the respiratory center.[1]


  1. In vitro visualization of respiratory neuron activity in the newborn mouse ventral medulla. Onimaru, H., Arata, A., Arata, S., Shirasawa, S., Cleary, M.L. Brain Res. Dev. Brain Res. (2004) [Pubmed]
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