Diseases of the nervous system articles within Nature Communications

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  • Article |

    PAR-1 inDrosophilahas been identified as a key physiological tau kinase. Lee and colleagues perform genetic screens for regulators of PAR-1 and find that it is targeted for ubiquitination and degradation by the ubiquitin ligase complex SCF(Slimb), and that this pathway modulates synaptic morphology.

    • Seongsoo Lee
    • , Ji-Wu Wang
    •  & Bingwei Lu

  • Article
    | Open Access

    Tuberous sclerosis complex is an autosomal dominant cognitive disorder caused by mutations affecting TSCgenes. Sato and colleagues examine tuberous sclerosis complex mutant mice and find that the behavioural and anatomical abnormalities can be reversed by inhibiting rapamycin-sensitive signalling pathways, even in adulthood.

    • Atsushi Sato
    • , Shinya Kasai
    •  & Masashi Mizuguchi

  • Article |

    The mislocalization and downregulation of the proteins TDP-43 and ADAR2, respectively, are implicated in amyotrophic lateral sclerosis pathology. Yamashita et al. find that downregulation of ADAR2 results in calcium-permeable AMPA receptor-mediated calpain activation and subsequent aberrant cleavage of TDP-43.

    • Takenari Yamashita
    • , Takuto Hideyama
    •  & Shin Kwak

  • Article
    | Open Access

    Seizure activity in the brain is characterized by the recruitment of cortical neuronal activity. Schevon and colleagues study seizure activity in human subjects and find that the recruitment of neurons is hypersynchronous and that there is an intrinsic restraint on the propagation of this activity.

    • Catherine A. Schevon
    • , Shennan A. Weiss
    •  & Andrew J. Trevelyan

  • Article |

    Speech is encoded by the firing patterns of speech-controlling neurons in different regions of the brain, which Tankus and colleagues analyse in this study. They find highly specific encoding of vowels in medial–frontal neurons and nonspecific tuning in superior temporal gyrus neurons.

    • Ariel Tankus
    • , Itzhak Fried
    •  & Shy Shoham

  • Article
    | Open Access

    Claudin-5 is a component of tight junctions and has important roles in mediating the permeability of the blood-brain barrier. Campbell and co-workers administer short interfering RNA against claudin-5 in a model of brain injury, finding that it enhances water movement from the brain to the blood and alleviates swelling.

    • Matthew Campbell
    • , Finnian Hanrahan
    •  & Peter Humphries

  • Article
    | Open Access

    The amyloid-β-peptide is pivotal to the pathology of Alzheimer's disease, but its mechanism of action remains uncertain. This study utilizesin vivotwo-photon calcium imaging to investigate the effects of this peptide on single cortical neurons of the visual cortex in a mouse model of Alzheimer's disease.

    • Christine Grienberger
    • , Nathalie L. Rochefort
    •  & Arthur Konnerth

  • Article
    | Open Access

    Tyrosyl DNA phosphodiesterase 1 (TDP1) repairs DNA breaks and is mutated in the disease Spinocerebellar Ataxia with Axonal Neuropathy. Here TDP1 is shown to be post-translationally modified by sumoylation of lysine 111, and cells carrying a mutation at this residue are inefficient at single-strand DNA break repair.

    • Jessica J.R. Hudson
    • , Shih-Chieh Chiang
    •  & Sherif F. El-Khamisy

  • Article
    | Open Access

    Glutathione's key role as a modulator of reactive oxygen species levels has recently been challenged. Quintana-Cabreraet al. now provide in vivoevidence supporting an antioxidant and neuroprotective function for γ-glutamylcysteine, which replaces glutathione by acting as glutathione peroxidase-1 cofactor.

    • Ruben Quintana-Cabrera
    • , Seila Fernandez-Fernandez
    •  & Juan P. Bolaños

  • Article |

    The health benefits of massage therapy, like the reduction of stress, have so far only been shown in humans. This study uses modelling to demonstrate that, while visiting cleaner fish to have ectoparasites removed, the physical stimulation also acts to reduce stress in the coral reef fish,Ctenochaetus striatus.

    • Marta C. Soares
    • , Rui F. Oliveira
    •  & Redouan Bshary

  • Article
    | Open Access

    Pluripotent stem cells can be generated from the somatic cells of humans and are a useful model to study disease. Here, pluripotent stem cells are made from a patient with familial Parkinson's disease, and the resulting neurons exhibit elevated levels of α-synuclein, recapitulating the molecular features of the patient's disease.

    • Michael J. Devine
    • , Mina Ryten
    •  & Tilo Kunath

  • Article
    | Open Access

    The central nervous system contains glial cells, which have been shown to have an important role in neuronal survival. Haradaet al. use transgenic mouse models to show that TrkB, a receptor for the growth factor brain-derived neurotrophic factor, is required for retinal Müller glial cells to provide neuroprotection and regeneration.

    • Chikako Harada
    • , Xiaoli Guo
    •  & Takayuki Harada

  • Article
    | Open Access

    γ-Secretase modulators have promise in the treatment of Alzheimer's disease, but their molecular target is uncertain. Here, fluorescence resonance energy transfer is used to determine that the γ-secretase allosteric site is within the γ-secretase complex and that substrate docking is required for modulators to access the site.

    • Kengo Uemura
    • , Katherine C. Farner
    •  & Oksana Berezovska

  • Article |

    The kinase Dyrk1A is essential for brain function and development, and its excessive activity has been implicated in Down syndrome. In this study, a selective inhibitor of Dyrk1A is developed, which may help to elucidate the molecular mechanisms of normal and diseased brain.

    • Yasushi Ogawa
    • , Yosuke Nonaka
    •  & Masatoshi Hagiwara

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