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List of works by Helen A. Baghdoyan

Acetylcholine release in the pontine reticular formation of C57BL/6J mouse is modulated by non-M1 muscarinic receptors

scientific article

Adenosine A(1) receptors in mouse pontine reticular formation depress breathing, increase anesthesia recovery time, and decrease acetylcholine release.

scientific article published on February 2013

Adenosine A₁ receptors in mouse pontine reticular formation modulate nociception only in the presence of systemic leptin

scientific article

Basal forebrain acetylcholine release during REM sleep is significantly greater than during waking.

scientific article

Benzodiazepine receptor agonists cause drug-specific and state-specific alterations in EEG power and acetylcholine release in rat pontine reticular formation

scientific article

Benzodiazepine site agonists differentially alter acetylcholine release in rat amygdala

scientific article

Buprenorphine Depresses Respiratory Variability in Obese Mice with Altered Leptin Signaling

scientific article published on 2 February 2018

Buprenorphine disrupts sleep and decreases adenosine concentrations in sleep-regulating brain regions of Sprague Dawley rat.

scientific article

Carbachol in the pontine reticular formation of C57BL/6J mouse decreases acetylcholine release in prefrontal cortex

scientific article

Carbachol stimulates [35S]guanylyl 5'-(gamma-thio)-triphosphate binding in rapid eye movement sleep-related brainstem nuclei of rat.

scientific article published in May 1998

Cholinergic reticular mechanisms influence state-dependent ventilatory response to hypercapnia ⬇️

scientific article published on September 1, 1991

Cholinomimetics, but not morphine, increase antinociceptive behavior from pontine reticular regions regulating rapid-eye-movement sleep

scientific article published in November 1998

Cortical wave amplitude and eye movement direction are correlated in REM sleep but not in waking

scientific article published in September 1984

Dexmedetomidine-induced sedation does not mimic the neurobehavioral phenotypes of sleep in Sprague Dawley rat

scientific article

Dialysis delivery of an adenosine A1 receptor agonist to the pontine reticular formation decreases acetylcholine release and increases anesthesia recovery time

scientific article published in April 2003

Dialysis delivery of an adenosine A2A agonist into the pontine reticular formation of C57BL/6J mouse increases pontine acetylcholine release and sleep

scientific article

Differential cholinergic activation of G proteins in rat and mouse brainstem: relevance for sleep and nociception

scientific article published on March 2003

Disrupted Sleep and Delayed Recovery from Chronic Peripheral Neuropathy Are Distinct Phenotypes in a Rat Model of Metabolic Syndrome ⬇️

scientific article published on November 1, 2010

Endogenous GABA levels in the pontine reticular formation are greater during wakefulness than during rapid eye movement sleep

scientific article

Eszopiclone and dexmedetomidine depress ventilation in obese rats with features of metabolic syndrome

scientific article published on May 2014

Fentanyl and morphine, but not remifentanil, inhibit acetylcholine release in pontine regions modulating arousal

scientific article published in April 1999

G proteins in rat prefrontal cortex (PFC) are differentially activated as a function of oxygen status and PFC region.

scientific article published on 09 December 2008

GABAA receptors inhibit acetylcholine release in cat pontine reticular formation: implications for REM sleep regulation

scientific article

GABAergic transmission in rat pontine reticular formation regulates the induction phase of anesthesia and modulates hyperalgesia caused by sleep deprivation

scientific article

Gamma-aminobutyric acid-mediated neurotransmission in the pontine reticular formation modulates hypnosis, immobility, and breathing during isoflurane anesthesia.

scientific article published on December 2008

Halothane decreases pontine acetylcholine release and increases EEG spindles

scientific article

Hypocretin (orexin) receptor subtypes differentially enhance acetylcholine release and activate g protein subtypes in rat pontine reticular formation.

scientific article

Hypocretin and GABA interact in the pontine reticular formation to increase wakefulness

scientific article

Hypocretin-1 activates G proteins in arousal-related brainstem nuclei of rat.

scientific article

Hypocretin-1 causes G protein activation and increases ACh release in rat pons.

scientific article

Hypoxia modulates cholinergic but not opioid activation of G proteins in rat hippocampus

scientific article

Increased ponto-geniculo-occipital (PGO) wave frequency following central administration of neostigmine

scientific article

Isoflurane-induced changes in righting response and breathing are modulated by RGS proteins

scientific article

Ketamine and MK-801 decrease acetylcholine release in the pontine reticular formation, slow breathing, and disrupt sleep.

scientific article published in September 2002

Leptin replacement restores supraspinal cholinergic antinociception in leptin-deficient obese mice

scientific article published on 19 April 2009

Localization of muscarinic receptor subtypes in brain stem areas regulating sleep

scientific article published in August 1994

Location and quantification of muscarinic receptor subtypes in rat pons: implications for REM sleep generation ⬇️

scientific article published on September 1, 1997

M2 muscarinic autoreceptors modulate acetylcholine release in prefrontal cortex of C57BL/6J mouse.

scientific article

M2 muscarinic autoreceptors modulate acetylcholine release in the medial pontine reticular formation.

scientific article published in September 1998

M2 muscarinic receptor subtype in the feline medial pontine reticular formation modulates the amount of rapid eye movement sleep

scientific article

M2 muscarinic receptors in pontine reticular formation of C57BL/6J mouse contribute to rapid eye movement sleep generation

scientific article

M2, M3 and M4, but not M1, muscarinic receptor subtypes are present in rat spinal cord.

scientific article published in April 1997

Metabolomic analysis of mouse prefrontal cortex reveals upregulated analytes during wakefulness compared to sleep

scientific article published in Scientific Reports

Microdialysis delivery of morphine to the hypoglossal nucleus of Wistar rat increases hypoglossal acetylcholine release

scientific article

Microdialysis of the pontine reticular formation reveals inhibition of acetylcholine release by morphine

scientific article published in November 1993

Microinjection of an adenosine A1 agonist into the medial pontine reticular formation increases tail flick latency to thermal stimulation

scientific article published in December 2002

Microinjection of neostigmine into the pontine reticular formation of C57BL/6J mouse enhances rapid eye movement sleep and depresses breathing.

scientific article published on December 2002

Microinjection of neostigmine into the pontine reticular formation of cats enhances desynchronized sleep signs.

scientific article published on October 1984

Morphine inhibits acetylcholine release in rat prefrontal cortex when delivered systemically or by microdialysis to basal forebrain

scientific article

Muscarinic and GABAA receptors modulate acetylcholine release in feline basal forebrain

scientific article published in January 2003

Muscarinic receptor subtypes are differentially distributed across brain stem respiratory nuclei ⬇️

scientific article published on June 1, 1995

Nitric oxide in B6 mouse and nitric oxide-sensitive soluble guanylate cyclase in cat modulate acetylcholine release in pontine reticular formation

scientific article published on 19 January 2006

Olanzapine causes a leptin-dependent increase in acetylcholine release in mouse prefrontal cortex.

scientific article published on March 2012

Opioid inhibition of rapid eye movement sleep by a specific mu receptor agonist

scientific article

Opioid-induced decreases in rat brain adenosine levels are reversed by inhibiting adenosine deaminase

scientific journal article

Opioids activate G proteins in REM sleep-related brain stem nuclei of rat.

scientific article published in September 1998

Pedunculopontine stimulation alters respiration and increases ACh release in the pontine reticular formation

scientific article published in March 1993

Pentobarbital differentially enhances the affinity of [3H]flunitrazepam binding across brain regions

scientific article published in July 1994

Pentobarbital-enhanced [3H]flunitrazepam binding throughout the rat brain: an autoradiographic study ⬇️

scientific article published on December 1, 1992

Pertussis toxin-sensitive G proteins mediate carbachol-induced REM sleep and respiratory depression ⬇️

scientific article published on August 1, 1995

Pharmacological characterization of muscarinic cholinergic receptors in cat pons and cortex. Preliminary study

scientific article

Pontine acetylcholine release is regulated by muscarinic autoreceptors

scientific article published in November 1996

Pontine and basal forebrain cholinergic interaction: implications for sleep and breathing

scientific article published on November 2004

Pontine cholinergic mechanisms modulate the cortical electroencephalographic spindles of halothane anesthesia

scientific article published in April 1996

Pontine reticular formation (PnO) administration of hypocretin-1 increases PnO GABA levels and wakefulness.

scientific article published on April 2008

Pontogeniculooccipital waves: spontaneous visual system activity during rapid eye movement sleep.

scientific article published on June 1987

Postsynaptic muscarinic M1 receptors activate prefrontal cortical EEG of C57BL/6J mouse

scientific article published in December 2002

Prefrontal cortex acetylcholine release, EEG slow waves, and spindles are modulated by M2 autoreceptors in C57BL/6J mouse

scientific article published in June 2002

RGS Proteins and Gαi2 Modulate Sleep, Wakefulness, and Disruption of Sleep/ Wake States after Isoflurane and Sevoflurane Anesthesia

scientific article

Regional brain glucose metabolism is altered during rapid eye movement sleep in the cat: a preliminary study

scientific article published in February 1991

Simultaneous pontine and basal forebrain microinjections of carbachol suppress REM sleep.

scientific article published in January 1993

Site-specific enhancement and suppression of desynchronized sleep signs following cholinergic stimulation of three brainstem regions.

scientific article published on July 1984

Sleep and GABA levels in the oral part of rat pontine reticular formation are decreased by local and systemic administration of morphine.

scientific article published on 19 October 2006

Sleep disruption and increased apneas after pontine microinjection of morphine

scientific article published on November 1, 1992

Sleep duration varies as a function of glutamate and GABA in rat pontine reticular formation

scientific article

Sleep, anesthesiology, and the neurobiology of arousal state control.

scientific article

State-dependent hypotonia in posterior cricoarytenoid muscles of the larynx caused by cholinoceptive reticular mechanisms.

scientific article published in March 1989

The carbachol-induced enhancement of desynchronized sleep signs is dose dependent and antagonized by centrally administered atropine.

scientific article published on March 1989

The nitric oxide synthase inhibitor NG-Nitro-L-arginine increases basal forebrain acetylcholine release during sleep and wakefulness.

scientific article published in July 2002

Thermal nociception is decreased by hypocretin-1 and an adenosine A1 receptor agonist microinjected into the pontine reticular formation of Sprague Dawley rat

scientific article

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