A descending pathway from the lateral/ventrolateral PAG to the rostroventral medulla mediating the vasomotor response evoked by social defeat stress in rats.

M Matsuyama, J Horiuchi - American Journal of Physiology …, 2024 - journals.physiology.org
… stimulation by excitatory amino acid microinjection within the l… of the neurons in the regions
by excitatory amino acids. 393 … the PAG of the cat at which microinjection of DLH, elicited the …

Orchestration of innate and conditioned defensive actions by the periaqueductal gray

FMCV Reis, D Mobbs, NS Canteras, A Adhikari - Neuropharmacology, 2023 - Elsevier
… From the midbrain tectum, excitatory inputs originating in the … ) is sufficient to activate
NOS-positive neurons in the dorsolateral PAG. … view of the circuits likely to mediate such …

Muscle vasodilator response via potential adrenaline secretion to L-cysteine microinjected in rostral ventrolateral medulla of rats

Y Takemoto - Autonomic Neuroscience, 2020 - Elsevier
… that the thiol amino acid L-cysteine microinjected into rat … many microinjected sites that led
coactivation of three neurons and … , microinjections of EAA in cats have shown that topography …

Orexin (hypocretin) participates in central autonomic regulation during fight-or-flight response

T Kuwaki - Peptides, 2021 - Elsevier
Microinjections of adenosine into the rostral ventrolateral medulla augmented the increase
… From these results, we concluded that orexin-containing neurons in the hypothalamus act as …

Sparse genetically defined neurons refine the canonical role of periaqueductal gray columnar organization

MQ La-Vu, E Sethi, S Maesta-Pereira, PJ Schuette… - Elife, 2022 - elifesciences.org
… How these cell types contribute to defense remains unknown, indicating that … midbrain
neurones mediating defensive behaviour in the rat by microinjections of excitatory amino acids

Neuromediators and defensive responses including tonic immobility (TI): Brain areas and circuits involved

G Carli, F Farabollini - Progress in Brain Research, 2022 - Elsevier
… This effect was mediated by muscarinic receptors since it … In cats, for instance, excitatory
aminoacid microinjection into … Serotonin neurons in the midbrain and medullary raphe project …

The contribution of periaqueductal gray in the regulation of physiological and pathological behaviors

H Zhang, Z Zhu, WX Ma, LX Kong, PC Yuan… - Frontiers in …, 2024 - frontiersin.org
… in passive defense behaviors, opioid-mediated deep analgesia … In anesthetized rats,
microinjection of the excitatory amino acid D… For example, the ventral medulla (VM) GABA neurons

Neurons in the caudal ventrolateral medulla mediate descending pain control

X Gu, YZ Zhang, JJ O'Malley, CC De Preter… - Nature …, 2023 - nature.com
… Based on their location in the VLM (bregma ~−7.7 to −7.9 mm… To characterize cVLM TH
neurons further, we performed multi… response to chemogenetic stimulation of cVLM TH neurons

Reciprocal connectivity of the periaqueductal gray with the ponto-medullary respiratory network in rat

P Trevizan-Baú, WI Furuya, SB Mazzone, D Stanić… - Brain Research, 2021 - Elsevier
… However, alternative anatomical pathways for the mediation … We microinjected the retrograde
tracer CT-B (150 nL) … of the medulla, we observed similar numbers of labeled neurons in …

[HTML][HTML] A brainstem monosynaptic excitatory pathway that drives locomotor activities and sympathetic cardiovascular responses

S Koba, N Kumada, E Narai, N Kataoka… - Nature …, 2022 - nature.com
neurons, more than half of which are adrenergic C1 neurons … → RVLM neuron-mediated
sympathoexcitation. The RSNA … using a calibrated pressure-microinjection system (Nanoject II…