Pushing the frontiers: tools for monitoring neurotransmitters and neuromodulators

Z Wu, D Lin, Y Li - Nature reviews neuroscience, 2022‏ - nature.com
Neurotransmitters and neuromodulators have a wide range of key roles throughout the
nervous system. However, their dynamics in both health and disease have been challenging …

Lights, fiber, action! A primer on in vivo fiber photometry

EH Simpson, T Akam, T Patriarchi, M Blanco-Pozo… - Neuron, 2024‏ - cell.com
Fiber photometry is a key technique for characterizing brain-behavior relationships in vivo.
Initially, it was primarily used to report calcium dynamics as a proxy for neural activity via …

Real-time denoising enables high-sensitivity fluorescence time-lapse imaging beyond the shot-noise limit

X Li, Y Li, Y Zhou, J Wu, Z Zhao, J Fan, F Deng… - Nature …, 2023‏ - nature.com
A fundamental challenge in fluorescence microscopy is the photon shot noise arising from
the inevitable stochasticity of photon detection. Noise increases measurement uncertainty …

Directed evolution of adeno-associated virus for efficient gene delivery to microglia

R Lin, Y Zhou, T Yan, R Wang, H Li, Z Wu, X Zhang… - Nature …, 2022‏ - nature.com
As the resident immune cells in the central nervous system (CNS), microglia orchestrate
immune responses and dynamically sculpt neural circuits in the CNS. Microglial dysfunction …

Fluorescent proteins and genetically encoded biosensors

M Wang, Y Da, Y Tian - Chemical Society Reviews, 2023‏ - pubs.rsc.org
The genetically encoded fluorescent sensors convert chemical and physical signals into
light. They are powerful tools for the visualisation of physiological processes in living cells …

A genetically encoded sensor measures temporal oxytocin release from different neuronal compartments

T Qian, H Wang, P Wang, L Geng, L Mei… - Nature …, 2023‏ - nature.com
Oxytocin (OT), a peptide hormone and neuromodulator, is involved in diverse physiological
and pathophysiological processes in the central nervous system and the periphery …

Spatiotemporally selective astrocytic ATP dynamics encode injury information sensed by microglia following brain injury in mice

Y Chen, P Luan, J Liu, Y Wei, C Wang, R Wu… - Nature …, 2024‏ - nature.com
Injuries to the brain result in tunable cell responses paired with stimulus properties,
suggesting the existence of intrinsic processes that encode and transmit injury information; …

Sensitive multicolor indicators for monitoring norepinephrine in vivo

Z Kagiampaki, V Rohner, C Kiss, S Curreli, A Dieter… - Nature …, 2023‏ - nature.com
Genetically encoded indicators engineered from G-protein-coupled receptors are important
tools that enable high-resolution in vivo neuromodulator imaging. Here, we introduce a …

Fluorescence imaging of neural activity, neurochemical dynamics, and drug-specific receptor conformation with genetically encoded sensors

C Dong, Y Zheng, K Long-Iyer… - Annual review of …, 2022‏ - annualreviews.org
Recent advances in fluorescence imaging permit large-scale recording of neural activity and
dynamics of neurochemical release with unprecedented resolution in behaving animals …

Neuronal activity-induced, equilibrative nucleoside transporter-dependent, somatodendritic adenosine release revealed by a GRAB sensor

Z Wu, Y Cui, H Wang, H Wu, Y Wan, B Li… - Proceedings of the …, 2023‏ - pnas.org
The purinergic signaling molecule adenosine (Ado) modulates many physiological and
pathological functions in the brain. However, the exact source of extracellular Ado remains …