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    FRET Imaging of Rho GTPase Activity with Red Fluorescent Protein-Based FRET Pairs

    With the development of fluorescent proteins (FPs) and advanced optical microscopy techniques, Förster or fluorescence resonance energy transfer (FRET) has become a powerful tool for real-time noninvasive visu...

    Bryce T. Bajar, **nmeng Guan, Amy Lam, Michael Z. Lin in Cell Polarity Signaling (2022)

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    Correlative Ultrastructural Analysis of Functionally Modulated Synapses Using Automated Tape-Collecting Ultramicrotome and SEM Array Tomography

    Live imaging of dendritic spines using advanced light microscopy (LM) provides insight into how the brain processes information to learn and form memories. As a complementary approach, electron microscopy (EM)...

    Ye Sun, Connon Thomas, Takayasu Mikuni, Debbie Guerrero-Given in Volume Microscopy (2020)

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    Analysis of TrkB Receptor Activity Using FRET Sensors

    Here, we describe the use of 2-photon fluorescence lifetime imaging (2pFLIM) of a Förster resonance energy transfer (FRET) sensor to study the spatial and temporal activity pattern of the BDNF receptor TrkB. C...

    Charles E. Hall, James O. McNamara in Brain-Derived Neurotrophic Factor (BDNF) (2019)

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    Imaging Neuronal Signal Transduction Using Multiphoton FRET-FLIM

    Synaptic plasticity, the ability of neurons to modulate the strength of specific inputs, is critical for neural circuits to adapt to experience throughout life. In excitatory pyramidal neurons, plasticity is i...

    Paul R. Evans, Long Yan, Ryohei Yasuda in Multiphoton Microscopy (2019)

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    Protocol

    Imaging Signaling Transduction in Single Dendritic Spines

    Synaptic plasticity, like many cellular functions, is an extremely complex process that requires a vast network of signaling elements comprising hundreds of protein species. As synaptic plasticity is caused by...

    Nathan Hedrick, Ryohei Yasuda in Nanoscale Imaging of Synapses (2014)

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    Imaging the Activity of Ras Superfamily GTPase Proteins in Small Subcellular Compartments in Neurons

    Resolving the spatiotemporal dynamics of intracellular signaling is important for understanding the molecular mechanisms of various cellular processes induced by extracellular signals. Two-photon fluorescence ...

    Ana F. Oliveira, Ryohei Yasuda in Fluorescent Protein-Based Biosensors (2014)