TRR 295

Publications

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Current approaches to characterize micro- and macroscale circuit mechanisms of Parkinson’s disease in rodent models

Current approaches to characterize micro- and macroscale circuit mechanisms of Parkinson’s disease in rodent models

Yangfan Peng, Nina Schöneberg, Maria Soledad Esposito, Jörg R.P. Geiger, Andrew Sharott, Philip Tovote

Accelerating technological progress in experimental neuroscience is increasing the scale as well as specificity of both observational and perturbational approaches to study circuit physiology. While these techniques have also been used to study disease mechanisms, a wider adoption of these approaches in the field of experimental neurology would greatly facilitate our understanding of neurological dysfunctions and their potential treatments at cellular and circuit level. ...
Published: 2022 May

Changes of cerebral network activity after invasive stimulation of the mesencephalic locomotor region in a rat stroke model

Stefanie D KrämerMichael K SchuhmannFabian SchadtIna IsraelSamuel SamnickJens VolkmannFelix Fluri

Motor deficits after stroke reflect both, focal lesion and network alterations in brain regions distant from infarction. This remote network dysfunction may be caused by aberrant signals from cortical motor regions travelling via mesencephalic locomotor region (MLR) to other locomotor circuits. ...
Published: 2022 Jan
Neuronal biomarkers of Parkinson’s disease are present in healthy aging

Neuronal biomarkers of Parkinson’s disease are present in healthy aging

Juanli ZhangMina Jamshidi IdajiArno VillringerVadim V Nikulin

The prevalence of Parkinson's disease (PD) increases with aging and both processes share similar cellular mechanisms and alterations in the dopaminergic system. Yet it remains to be investigated whether aging can also demonstrate electrophysiological neuronal signatures typically associated with PD. ...
Published: 2021 Nov
Noninvasive neuromagnetic single-trial analysis of human neocortical population spikes

Noninvasive neuromagnetic single-trial analysis of human neocortical population spikes

Gunnar WaterstraatRainer KörberJan-Hendrik StormGabriel Curio

Neuronal spiking is commonly recorded by invasive sharp microelectrodes, whereas standard noninvasive macroapproaches (e.g., electroencephalography [EEG] and magnetoencephalography [MEG]) predominantly represent mass postsynaptic potentials. ...
Published: 2021 Mar
Regulation of TrkB cell surface expression-a mechanism for modulation of neuronal responsiveness to brain-derived neurotrophic factor

Regulation of TrkB cell surface expression-a mechanism for modulation of neuronal responsiveness to brain-derived neurotrophic factor

Thomas AndreskaPatrick LüningschrörMichael Sendtner

Neurotrophin signaling via receptor tyrosine kinases is essential for the development and function of the nervous system in vertebrates. TrkB activation and signaling show substantial differences to other receptor tyrosine kinases of the Trk family that mediate the responses to nerve growth factor and neurotrophin-3. ...
Published: 2020 Oct
Induction of BDNF Expression in Layer II/III and Layer V Neurons of the Motor Cortex Is Essential for Motor Learning

Induction of BDNF Expression in Layer II/III and Layer V Neurons of the Motor Cortex Is Essential for Motor Learning

Thomas AndreskaStefanie RauskolbNina SchukraftPatrick LüningschrörManju SasiJeremy Signoret-GenestMarcus BehringerRobert BlumMarkus SauerPhilip TovoteMichael Sendtner

Motor learning depends on synaptic plasticity between corticostriatal projections and striatal medium spiny neurons. Retrograde tracing from the dorsolateral striatum reveals that both layer II/III and V neurons in the motor cortex express BDNF as a potential regulator of plasticity in corticostriatal projections in male and female mice. ...
Published: 2020 Aug
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