G protein βγ subunits inhibit TRPM3 ion channels in sensory neurons

T Quallo, O Alkhatib, C Gentry, DA Andersson, S Bevan - Elife, 2017 - elifesciences.org
Transient receptor potential (TRP) ion channels in peripheral sensory neurons are
functionally regulated by hydrolysis of the phosphoinositide PI (4, 5) P2 and changes in the …

G-protein–mediated inhibition of the Trp channel TRPM1 requires the Gβγ dimer

Y Shen, MAF Rampino, RC Carroll… - Proceedings of the …, 2012 - National Acad Sciences
ON bipolar cells are critical for the function of the ON pathway in the visual system. They
express a metabotropic glutamate receptor (mGluR6) that, when activated, couples to the Go …

[PDF][PDF] Structural and functional analyses of a GPCR-inhibited ion channel TRPM3

C Zhao, R MacKinnon - Neuron, 2023 - cell.com
G-protein coupled receptors (GPCRs) govern the physiological response to stimuli by
modulating the activity of downstream effectors, including ion channels. TRPM3 is an ion …

The TRPM1 channel in ON-bipolar cells is gated by both the α and the βγ subunits of the G-protein Go

Y Xu, C Orlandi, Y Cao, S Yang, CI Choi… - Scientific Reports, 2016 - nature.com
Transmission from photoreceptors to ON bipolar cells in mammalian retina is mediated by a
sign-inverting cascade. Upon binding glutamate, the metabotropic glutamate receptor …

The structural basis for an on–off switch controlling Gβγ-mediated inhibition of TRPM3 channels

M Behrendt, F Gruss, R Enzeroth… - Proceedings of the …, 2020 - National Acad Sciences
TRPM3 channels play important roles in the detection of noxious heat and in inflammatory
thermal hyperalgesia. The activity of these ion channels in somatosensory neurons is tightly …

The TRPM8 ion channel comprises direct Gq protein-activating capacity

K Klasen, D Hollatz, S Zielke, G Gisselmann… - … -European Journal of …, 2012 - Springer
The transient receptor potential (TRP) family of ion channels comprises receptors that are
activated by a vast variety of physical as well as chemical stimuli. TRP channels interact in a …

Anti-nociceptive action of peripheral mu-opioid receptors by G-beta-gamma protein-mediated inhibition of TRPM3 channels

S Dembla, M Behrendt, F Mohr, C Goecke… - Elife, 2017 - elifesciences.org
Opioids, agonists of µ-opioid receptors (µORs), are the strongest pain killers clinically
available. Their action includes a strong central component, which also causes important …

Molecular architecture of the Gαi-bound TRPC5 ion channel

J Won, J Kim, H Jeong, J Kim, S Feng, B Jeong… - Nature …, 2023 - nature.com
G-protein coupled receptors (GPCRs) and ion channels serve as key molecular switches
through which extracellular stimuli are transformed into intracellular effects, and it has long …

Critical roles of Gi/o proteins and phospholipase C-δ1 in the activation of receptor-operated TRPC4 channels

DP Thakur, J Tian, J Jeon, J Xiong… - Proceedings of the …, 2016 - National Acad Sciences
Transient Receptor Potential Canonical (TRPC) proteins form nonselective cation channels
commonly known to be activated downstream from receptors that signal through …

[PDF][PDF] Direct Gαq gating is the sole mechanism for TRPM8 inhibition caused by bradykinin receptor activation

X Zhang - Cell reports, 2019 - cell.com
Activation of Gα q-coupled receptors by inflammatory mediators inhibits cold-sensing
TRPM8 channels, aggravating pain and inflammation. Both Gα q and the downstream …