Release of hypocretin (orexin) during waking and sleep states
…, N Maidment, HA Lam, MF Wu, J John… - Journal of …, 2002 - Soc Neuroscience
Hypocretin (Hcrt or orexin) somas are located in the hypothalamus and project widely to
forebrain and brainstem regions, densely innervating monoaminergic and cholinergic cells. …
forebrain and brainstem regions, densely innervating monoaminergic and cholinergic cells. …
[HTML][HTML] Cataplexy-active neurons in the hypothalamus: implications for the role of histamine in sleep and waking behavior
J John, MF Wu, LN Boehmer, JM Siegel - Neuron, 2004 - cell.com
Noradrenergic, serotonergic, and histaminergic neurons are continuously active during
waking, reduce discharge during NREM sleep, and cease discharge during REM sleep. …
waking, reduce discharge during NREM sleep, and cease discharge during REM sleep. …
Hypocretin release in normal and narcoleptic dogs after food and sleep deprivation, eating, and movement
MF Wu, J John, N Maidment… - American Journal of …, 2002 - journals.physiology.org
Hypocretins (orexins) are recently discovered hypothalamic neuropeptides that have been
implicated in the etiology of narcolepsy. The normal behavioral functions of these peptides …
implicated in the etiology of narcolepsy. The normal behavioral functions of these peptides …
Greatly increased numbers of histamine cells in human narcolepsy with cataplexy
J John, TC Thannickal, R McGregor… - Annals of …, 2013 - Wiley Online Library
Objective To determine whether histamine cells are altered in human narcolepsy with
cataplexy and in animal models of this disease. Methods Immunohistochemistry for histidine …
cataplexy and in animal models of this disease. Methods Immunohistochemistry for histidine …
Opiates increase the number of hypocretin-producing cells in human and mouse brain and reverse cataplexy in a mouse model of narcolepsy
TC Thannickal, J John, L Shan, DF Swaab… - Science translational …, 2018 - science.org
The changes in brain function that perpetuate opiate addiction are unclear. In our studies of
human narcolepsy, a disease caused by loss of immunohistochemically detected hypocretin …
human narcolepsy, a disease caused by loss of immunohistochemically detected hypocretin …
[HTML][HTML] Systemic administration of hypocretin-1 reduces cataplexy and normalizes sleep and waking durations in narcoleptic dogs
J John, MF Wu, JM Siegel - Sleep research online: SRO, 2000 - ncbi.nlm.nih.gov
Recent work has implicated the hypocretin (orexin) system in the genesis of narcolepsy. In
the current study we demonstrate that systemically administered hypocretin-1 (Hcrt-1) …
the current study we demonstrate that systemically administered hypocretin-1 (Hcrt-1) …
Effect of NMDA lesion of the medial preoptic neurons on sleep and other functions
J John, VM Kumar - Sleep, 1998 - academic.oup.com
This study was undertaken to determine the effects of the destruction of the medial preoptic
area (mPOA) neu-rons by N-methyl D-aspartic acid (NMDA), on sleep-wakefulness (SW), …
area (mPOA) neu-rons by N-methyl D-aspartic acid (NMDA), on sleep-wakefulness (SW), …
Changes in sleep-wakefulness after kainic acid lesion of the preoptic area in rats
J John, VM Kumar, G Gopinath, V Ramesh… - The Japanese Journal …, 1994 - jstage.jst.go.jp
The role of the preoptic area (POA) neurons in the regulation of sleep-wakefulness (S—W)
has been investigated in this study. The cell—specific neurotoxin, kainic acid (KA), was …
has been investigated in this study. The cell—specific neurotoxin, kainic acid (KA), was …
Rapid changes in glutamate levels in the posterior hypothalamus across sleep-wake states in freely behaving rats
J John, L Ramanathan… - American journal of …, 2008 - journals.physiology.org
The histamine-containing posterior hypothalamic region (PH-TMN) plays a key role in sleep-wake
regulation. We investigated rapid changes in glutamate release in the PH-TMN across …
regulation. We investigated rapid changes in glutamate release in the PH-TMN across …
Spatiotemporal architecture of immune cells and cancer-associated fibroblasts in high-grade serous ovarian carcinoma
AM Xu, M Haro, AE Walts, Y Hu, J John, BY Karlan… - Science …, 2024 - science.org
High-grade serous ovarian carcinoma (HGSOC), the deadliest form of ovarian cancer, is
typically diagnosed after it has metastasized and often relapses after standard-of-care platinum-…
typically diagnosed after it has metastasized and often relapses after standard-of-care platinum-…