Thematische Bibliographien / Ventrolateral preoptic nucleus (VLPO)

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Auswahl der wissenschaftlichen Literatur zum Thema „Ventrolateral preoptic nucleus (VLPO)“

Autor: Grafiati

Veröffentlicht am 14. Dezember 2024

Zuletzt aktualisiert am 31. Juli 2025

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Zeitschriftenartikel zum Thema "Ventrolateral preoptic nucleus (VLPO)"

Arrigoni, Elda, and Patrick M. Fuller. "The Sleep-Promoting Ventrolateral Preoptic Nucleus: What Have We Learned over the Past 25 Years?" International Journal of Molecular Sciences 23, no. 6 (2022): 2905. http://dx.doi.org/10.3390/ijms23062905.

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For over a century, the role of the preoptic hypothalamus and adjacent basal forebrain in sleep–wake regulation has been recognized. However, for years, the identity and location of sleep- and wake-promoting neurons in this region remained largely unresolved. Twenty-five years ago, Saper and colleagues uncovered a small collection of sleep-active neurons in the ventrolateral preoptic nucleus (VLPO) of the preoptic hypothalamus, and since this seminal discovery the VLPO has been intensively investigated by labs around the world, including our own. Herein, we first review the history of the preo

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Li, Ke Y., Yan-zhong Guan, Kresimir Krnjević, and Jiang H. Ye. "Propofol Facilitates Glutamatergic Transmission to Neurons of the Ventrolateral Preoptic Nucleus." Anesthesiology 111, no. 6 (2009): 1271–78. http://dx.doi.org/10.1097/aln.0b013e3181bf1d79.

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Background There is much evidence that the sedative component of anesthesia is mediated by gamma-aminobutyric acid type A (GABA(A)) receptors on hypothalamic neurons responsible for arousal, notably in the tuberomammillary nucleus. These GABA(A) receptors are targeted by gamma-aminobutyric acid-mediated (GABAergic) neurons in the ventrolateral preoptic area (VLPO): When these neurons become active, they inhibit the arousal-producing nuclei and induce sleep. According to recent studies, propofol induces sedation by enhancing VLPO-induced synaptic inhibition, making the target cells more respons

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Novak, Colleen M., and Antonio A. Nunez. "Daily rhythms in Fos activity in the rat ventrolateral preoptic area and midline thalamic nuclei." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 275, no. 5 (1998): R1620—R1626. http://dx.doi.org/10.1152/ajpregu.1998.275.5.r1620.

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The present experiment investigated the expression of the nuclear phosphoprotein Fos over the 24-h light-dark cycle in regions of the rat brain related to sleep and vigilance, including the ventrolateral preoptic area (VLPO), the paraventricular thalamic nucleus (PVT), and the central medial thalamic nucleus (CMT). Immunocytochemistry for Fos, an immediate-early gene product used as an index of neuronal activity, was carried out on brain sections from rats perfused at zeitgeber time (ZT) 1, ZT 5, ZT 12.5, and ZT 17 (lights on ZT 0–ZT 12). The number of Fos-immunopositive (Fos+) cells in the VL

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Matsuo, Shin-ichiro, Il-Sung Jang, Junichi Nabekura та Norio Akaike. "α2-Adrenoceptor-Mediated Presynaptic Modulation of GABAergic Transmission in Mechanically Dissociated Rat Ventrolateral Preoptic Neurons". Journal of Neurophysiology 89, № 3 (2003): 1640–48. http://dx.doi.org/10.1152/jn.00491.2002.

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The ventrolateral preoptic nucleus (VLPO) is a key nucleus involved in the homeostatic regulation of sleep-wakefulness. Little is known, however, about the cellular mechanisms underlying its role in sleep regulation and how the neurotransmitters, such as GABA and noradrenaline (NA), are involved. In the present study we investigated GABAergic transmission to acutely dissociated VLPO neurons using an enzyme-free, mechanical dissociation procedure in which functional terminals remained adherent and we investigated how this GABAergic transmission was modulated by NA. As previously reported in sli

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Ghaffarpasand, Fariborz, and Mousa Taghipour. "Ventrolateral Preoptic Nucleus of Hypothalamus: A Possible Target for Deep Brain Stimulation for Treating Sexual Dysfunction." Iranian Journal of Neurosurgery 5, no. 3 And 4 (2020): 99–102. http://dx.doi.org/10.32598/irjns.5.3.1.

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Sexual function and orientation is a complex platform of human personality which is being modulated by several brain circuities which is less understood currently. Recently, several studies have demonstrated interesting results regarding the role of several brain locations in sexual behaviors and orientation. Sexual arousal in homosexual men is associated with activation of the left angular gyrus, left caudate nucleus, Ventrolateral Preoptic (VLPO) Nucleus of Hypothalamus and right pallidum; while it is associated with bilateral lingual gyrus, right hippocampus, and right parahippocampal gyrus

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Alam, Md Aftab, Sunil Kumar, Dennis McGinty, Md Noor Alam, and Ronald Szymusiak. "Neuronal activity in the preoptic hypothalamus during sleep deprivation and recovery sleep." Journal of Neurophysiology 111, no. 2 (2014): 287–99. http://dx.doi.org/10.1152/jn.00504.2013.

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The preoptic hypothalamus is implicated in sleep regulation. Neurons in the median preoptic nucleus (MnPO) and the ventrolateral preoptic area (VLPO) have been identified as potential sleep regulatory elements. However, the extent to which MnPO and VLPO neurons are activated in response to changing homeostatic sleep regulatory demands is unresolved. To address this question, we continuously recorded the extracellular activity of neurons in the rat MnPO, VLPO and dorsal lateral preoptic area (LPO) during baseline sleep and waking, during 2 h of sleep deprivation (SD) and during 2 h of recovery

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Gong, Hui, Ronald Szymusiak, Janice King, Teresa Steininger, and Dennis McGinty. "Sleep-related c-Fos protein expression in the preoptic hypothalamus: effects of ambient warming." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 279, no. 6 (2000): R2079—R2088. http://dx.doi.org/10.1152/ajpregu.2000.279.6.r2079.

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Preoptic area (POA) neuronal activity promotes sleep, but the localization of critical sleep-active neurons is not completely known. Thermal stimulation of the POA also facilitates sleep. This study used the c-Fos protein immunostaining method to localize POA sleep-active neurons at control (22°C) and mildly elevated (31.5°C) ambient temperatures. At 22°C, after sleep, but not after waking, we found increased numbers of c-Fos immunoreactive neurons (IRNs) in both rostral and caudal parts of the median preoptic nucleus (MnPN) and in the ventrolateral preoptic area (VLPO). In animals sleeping at

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De Luca, Roberto, Stefano Nardone, Lin Zhu, and Elda Arrigoni. "066 Noradrenaline and acetylcholine inhibit sleep-promoting neurons of ventrolateral preoptic area through a local GABAergic circuit." Sleep 44, Supplement_2 (2021): A27—A28. http://dx.doi.org/10.1093/sleep/zsab072.065.

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Abstract Introduction The ventrolateral preoptic (VLPO) nucleus is a key area involved in the initiation and maintenance of sleep. During wakefulness, sleep-promoting galanin neurons in the VLPO are directly inhibited by arousal signals including noradrenaline and acetylcholine. We have found that while these neurotransmitters directly inhibit VLPO galanin neurons, they also activate GABAergic neurons in the VLPO that do not express galanin. We propose that when activated by monoaminergic and cholinergic inputs, these local VLPO GABAergic neurons provide an additional inhibition of the VLPO ga

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Kumar, Sunil, Seema Rai, Kung-Chiao Hsieh, Dennis McGinty, Md Noor Alam, and Ronald Szymusiak. "Adenosine A2A receptors regulate the activity of sleep regulatory GABAergic neurons in the preoptic hypothalamus." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 305, no. 1 (2013): R31—R41. http://dx.doi.org/10.1152/ajpregu.00402.2012.

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The median preoptic nucleus (MnPN) and the ventrolateral preoptic area (VLPO) are two hypothalamic regions that have been implicated in sleep regulation, and both nuclei contain sleep-active GABAergic neurons. Adenosine is an endogenous sleep regulatory substance, which promotes sleep via A1 and A2A receptors (A2AR). Infusion of A2AR agonist into the lateral ventricle or into the subarachnoid space underlying the rostral basal forebrain (SS-rBF), has been previously shown to increase sleep. We examined the effects of an A2AR agonist, CGS-21680, administered into the lateral ventricle and the S

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Gvilia, Irma, Natalia Suntsova, Sunil Kumar, Dennis McGinty, and Ronald Szymusiak. "Suppression of preoptic sleep-regulatory neuronal activity during corticotropin-releasing factor-induced sleep disturbance." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 309, no. 9 (2015): R1092—R1100. http://dx.doi.org/10.1152/ajpregu.00176.2015.

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Corticotropin releasing factor (CRF) is implicated in sleep and arousal regulation. Exogenous CRF causes sleep suppression that is associated with activation of at least two important arousal systems: pontine noradrenergic and hypothalamic orexin/hypocretin neurons. It is not known whether CRF also impacts sleep-promoting neuronal systems. We hypothesized that CRF-mediated changes in wake and sleep involve decreased activity of hypothalamic sleep-regulatory neurons localized in the preoptic area. To test this hypothesis, we examined the effects of intracerebroventricular administration of CRF

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Dissertationen zum Thema "Ventrolateral preoptic nucleus (VLPO)"

Chouvaeff, Mathilde. "Régulation du sommeil paradoxal en condition de stress : implication des projections corticales au noyau préoptique ventrolatéral." Electronic Thesis or Diss., Université Paris sciences et lettres, 2024. http://www.theses.fr/2024UPSLS023.

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Bien que beaucoup d'attention ait été consacrée à la dissection des circuits neuronaux qui sous-tendent l’architecture du sommeil de base, les mécanismes par lesquels les centres du sommeil s’adaptent de manière dynamique aux défis environnementaux demeurent mal connus. L'objectif de cette thèse était de déterminer comment et par quels mécanismes le sommeil est influencé par le stress chez la souris.La première partie de ma thèse a mis en évidence que le stress de défaite sociale (SDS) induit un état initial et transitoire d'insomnie, suivi d’un retour à des quantités de sommeil normales. Malg

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Yosypenko, V. R. "Age characteristics of the density of melatonin receptors in the neurons of the ventrolateral preoptic nucleus of the hypothalamus under the light stimulation." Thesis, БДМУ, 2020. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/18039.

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Buchteile zum Thema "Ventrolateral preoptic nucleus (VLPO)"

Castillo, Pablo R. "Neuropharmacology of Sleep." In Mayo Clinic Neurology Board Review, edited by Kelly D. Flemming. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197512166.003.0131.

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Sleep disorders often respond to both pharmacologic agents and nonpharmacologic therapies. This chapter reviews the pharmacology of and indications for specific sleep agents. Most of the agents approved by the US Food and Drug Administration for insomnia, with the exception of antidepressants and ramelteon, modulate the function of the γ‎-aminobutyric acid (GABA)-A receptor complex. The ventrolateral preoptic nucleus (VLPO) has a critical role in sleep initiation and maintenance. GABA is the primary inhibitory neurotransmitter of the VLPO. Medications used for sleep promotion include benzodiaz

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"Identification of the Presumed Sleep-Promoting Neurons of the Ventrolateral Preoptic Nucleus (VLPO)." In Sleep. CRC Press, 2004. http://dx.doi.org/10.1201/9780203496732-9.

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Gallopin, Thierry, Patrice Fort, and Pierre-Hervé Luppi. "In Vitro Identification of the Presumed Sleep-Promoting Neurons of the Ventrolateral Preoptic Nucleus (VLPO)." In Sleep. CRC Press, 2004. http://dx.doi.org/10.1201/9780203496732.ch3.

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Onyike, Chiadi U. "Stimulants and Dopamine Augmenters." In Psychiatric Aspects of Neurologic Diseases. Oxford University Press, 2008. http://dx.doi.org/10.1093/oso/9780195309430.003.0024.

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Stimulants are typically prescribed for their positive effects on mood, motivation, alertness, arousal, and energy. They are believed to exert their pharmacologic effects by increasing synaptic release of endogenous catecholamines (norepinephrine and dopamine) while simultaneously blocking catecholamine reuptake at the nerve terminals. Themost commonly used ‘‘traditional’’ agents are methylphenidate and dextroamphetamine. Methylphenidate reaches peak blood levels in 1 to 3 hours and has an elimination half-life of 2 to 3 hours. Dextroamphetamine reaches peak levels in 2 to 4 hours and has an e

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