Subcellular organization of the cAMP signaling pathway

M Zaccolo, A Zerio, MJ Lobo, C Garland - Pharmacological reviews, 2021 - Elsevier
The field of cAMP signaling is witnessing exciting developments with the recognition that
cAMP is compartmentalized and that spatial regulation of cAMP is critical for faithful signal …

Genetically encoded fluorescent biosensors illuminate the spatiotemporal regulation of signaling networks

EC Greenwald, S Mehta, J Zhang - Chemical reviews, 2018 - ACS Publications
Cellular signaling networks are the foundation which determines the fate and function of
cells as they respond to various cues and stimuli. The discovery of fluorescent proteins over …

Receptor-associated independent cAMP nanodomains mediate spatiotemporal specificity of GPCR signaling

SE Anton, C Kayser, I Maiellaro, K Nemec, J Möller… - Cell, 2022 - cell.com
G protein-coupled receptors (GPCRs) relay extracellular stimuli into specific cellular
functions. Cells express many different GPCRs, but all these GPCRs signal to only a few …

G protein–coupled receptor signaling: new insights define cellular nanodomains

MJ Lohse, A Bock, M Zaccolo - Annual Review of Pharmacology …, 2024 - annualreviews.org
G protein–coupled receptors are the largest and pharmacologically most important receptor
family and are involved in the regulation of most cell functions. Most of them reside …

The intrinsic cardiac nervous system and its role in cardiac pacemaking and conduction

L Fedele, T Brand - Journal of cardiovascular development and disease, 2020 - mdpi.com
The cardiac autonomic nervous system (CANS) plays a key role for the regulation of cardiac
activity with its dysregulation being involved in various heart diseases, such as cardiac …

A high-performance genetically encoded fluorescent indicator for in vivo cAMP imaging

L Wang, C Wu, W Peng, Z Zhou, J Zeng, X Li… - Nature …, 2022 - nature.com
Abstract cAMP is a key second messenger that regulates diverse cellular functions including
neural plasticity. However, the spatiotemporal dynamics of intracellular cAMP in intact …

Physiological roles of mammalian transmembrane adenylyl cyclase isoforms

KF Ostrom, JE LaVigne, TF Brust… - Physiological …, 2022 - journals.physiology.org
Adenylyl cyclases (ACs) catalyze the conversion of ATP to the ubiquitous second
messenger cAMP. Mammals possess nine isoforms of transmembrane ACs, dubbed AC1–9 …

Nanodomain cAMP signaling in cardiac pathophysiology: potential for develo** targeted therapeutic interventions

M Zaccolo, D Kovanich - Physiological reviews, 2025 - journals.physiology.org
The 3′, 5′-cyclic adenosine monophosphate (cAMP) mediates the effects of sympathetic
stimulation on the rate and strength of cardiac contraction. Beyond this pivotal role, in …

An ultrasensitive biosensor for high-resolution kinase activity imaging in awake mice

JF Zhang, B Liu, I Hong, A Mo, RH Roth… - Nature chemical …, 2021 - nature.com
Protein kinases control nearly every facet of cellular function. These key signaling nodes
integrate diverse pathway inputs to regulate complex physiological processes, and aberrant …

Engineered mini-G proteins block the internalization of cognate GPCRs and disrupt downstream intracellular signaling

Y Manchanda, L ElEid, AI Oqua, Z Ramchunder… - Science …, 2024 - science.org
Mini-G proteins are engineered, thermostable variants of Gα subunits designed to stabilize
G protein–coupled receptors (GPCRs) in their active conformations. Because of their small …