Brain-derived neurotrophic factor(BDNF) plays an important role in neurodevelopment,synaptic plasticity,learning and memory,and in preventing neurodegeneration.Despite decades of investigations into downstream signa...Brain-derived neurotrophic factor(BDNF) plays an important role in neurodevelopment,synaptic plasticity,learning and memory,and in preventing neurodegeneration.Despite decades of investigations into downstream signaling cascades and changes in cellular processes,the mechanisms of how BDNF reshapes circuits in vivo remain unclear.This informational gap partly arises from the fact that the bulk of studies into the molecular actions of BDNF have been performed in dissociated neuronal cultures,while the majority of studies on synaptic plasticity,learning and memory were performed in acute brain slices or in vivo.A recent study by Bowling-Bhattacharya et al.,measured the proteomic changes in acute adult hippocampal slices following treatment and reported changes in proteins of neuronal and non-neuronal origin that may in concert modulate synaptic release and secretion in the slice.In this paper,we place these findings into the context of existing literature and discuss how they impact our understanding of how BDNF can reshape the brain.展开更多
基金supported by NIH grants NS034007 and NS047384supported by NIH grants NS21072,and HD23315supported by funds from the Department of Biotechnology,Government of India and the Shanta Wadhwani Foundation
文摘Brain-derived neurotrophic factor(BDNF) plays an important role in neurodevelopment,synaptic plasticity,learning and memory,and in preventing neurodegeneration.Despite decades of investigations into downstream signaling cascades and changes in cellular processes,the mechanisms of how BDNF reshapes circuits in vivo remain unclear.This informational gap partly arises from the fact that the bulk of studies into the molecular actions of BDNF have been performed in dissociated neuronal cultures,while the majority of studies on synaptic plasticity,learning and memory were performed in acute brain slices or in vivo.A recent study by Bowling-Bhattacharya et al.,measured the proteomic changes in acute adult hippocampal slices following treatment and reported changes in proteins of neuronal and non-neuronal origin that may in concert modulate synaptic release and secretion in the slice.In this paper,we place these findings into the context of existing literature and discuss how they impact our understanding of how BDNF can reshape the brain.