Unraveling the dynamics of dopamine release and its actions on target cells

T Sippy, NX Tritsch - Trends in neurosciences, 2023 - cell.com
The neuromodulator dopamine (DA) is essential for regulating learning, motivation, and
movement. Despite its importance, however, the mechanisms by which DA influences the …

Next-generation genetically encoded fluorescent biosensors illuminate cell signaling and metabolism

MS Frei, S Mehta, J Zhang - Annual Review of Biophysics, 2024 - annualreviews.org
Genetically encoded fluorescent biosensors have revolutionized the study of cell signaling
and metabolism, as they allow for live-cell measurements with high spatiotemporal …

Locomotion activates PKA through dopamine and adenosine in striatal neurons

L Ma, J Day-Cooney, OJ Benavides, MA Muniak, M Qin… - Nature, 2022 - nature.com
The canonical model of striatal function predicts that animal locomotion is associated with
the opposing regulation of protein kinase A (PKA) in direct and indirect pathway striatal …

Sensitive genetically encoded sensors for population and subcellular imaging of cAMP in vivo

CI Massengill, L Bayless-Edwards, CC Ceballos… - Nature …, 2022 - nature.com
Cyclic adenosine monophosphate (cAMP) signaling integrates information from diverse G-
protein-coupled receptors, such as neuromodulator receptors, to regulate pivotal biological …

A turquoise fluorescence lifetime-based biosensor for quantitative imaging of intracellular calcium

FH van der Linden, EK Mahlandt, JJG Arts… - Nature …, 2021 - nature.com
The most successful genetically encoded calcium indicators (GECIs) employ an intensity or
ratiometric readout. Despite a large calcium-dependent change in fluorescence intensity, the …

Astrocytic calcium and cAMP in neurodegenerative diseases

M Sobolczyk, T Boczek - Frontiers in Cellular Neuroscience, 2022 - frontiersin.org
It is commonly accepted that the role of astrocytes exceeds far beyond neuronal scaffold and
energy supply. Their unique morphological and functional features have recently brough …

Advancements in the quest to map, monitor, and manipulate neural circuitry

JL Swanson, PS Chin, JM Romero… - Frontiers in Neural …, 2022 - frontiersin.org
Neural circuits and the cells that comprise them represent the functional units of the brain.
Circuits relay and process sensory information, maintain homeostasis, drive behaviors, and …

A multicolor suite for deciphering population coding of calcium and cAMP in vivo

T Yokoyama, S Manita, H Uwamori, M Tajiri… - Nature …, 2024 - nature.com
Abstract cAMP is a universal second messenger regulated by various upstream pathways
including Ca2+ and G-protein-coupled receptors (GPCRs). To decipher in vivo cAMP …

Serotonin/5‐HT7 receptor provides an adaptive signal to enhance pigmentation response to environmental stressors through cAMP‐PKA‐MAPK, Rab27a/RhoA, and …

H Tang, Y Zhang, L Yang, C Hong, K Chen… - The FASEB …, 2023 - Wiley Online Library
Abstract Serotonin (5‐HT), a neurotransmitter, is essential for normal and pathological
pigmentation processing, and its receptors may be therapeutical targets. The effect and …

Fluorescence imaging of beta cell primary cilia

ZA Li, JH Cho, LG Woodhams… - Frontiers in Endocrinology, 2022 - frontiersin.org
Primary cilia are slender cell-surface organelles that project into the intercellular space. In
pancreatic beta cells, primary cilia coordinate a variety of cell responses including GPCR …