- BDNF is necessary and sufficient for spinal respiratory plasticity following intermittent hypoxia. Baker-Herman, T.L., Fuller, D.D., Bavis, R.W., Zabka, A.G., Golder, F.J., Doperalski, N.J., Johnson, R.A., Watters, J.J., Mitchell, G.S. Nat. Neurosci. (2004)