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[Orexins and orexin receptors].

Ceskoslovenska fysiologie, 1999
The hypothalamus plays a central role in the integrated control of feeding and energy homeostasis. Two novel neuropeptides Orexin -A and -B were identified. Orexins activate two closely related G protein-coupled receptors and stimulate food consumption. They act also as mediators in the central feedback mechanism and regulates feeding behavior.
K, Kotaska, R, Průsa
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Orexin and Orexin Receptors

2005
“Reverse pharmacological” approaches, i.e., ligand identification using cell lines expressing orphan receptors, combined with genetic engineering techniques, have increased our understanding of novel signaling systems in the body (1). Orexin/hypocretin is the first example of the factors that were successfully applied using such approaches (2).
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Structure−Activity Studies of Orexin A and Orexin B at the Human Orexin 1 and Orexin 2 Receptors Led to Orexin 2 Receptor Selective and Orexin 1 Receptor Preferring Ligands

Journal of Medicinal Chemistry, 2004
The neuropeptides orexin A and B (also known as hypocretins) play an important role in many physiological and behavioral activities. Orexins are ligands of two closely related G-protein-coupled receptors, that are the named orexin 1 and orexin 2 receptors. To clearly identify the minimal ligand sequences required for receptor activation, we synthesized
Manja, Lang   +4 more
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Orexins Activate Histaminergic Neurons via the Orexin 2 Receptor

Biochemical and Biophysical Research Communications, 2002
Orexins (orexin A and B) are recently identified neuropeptides implicated in the regulation of vigilance states and energy homeostasis. We have shown here the physiological significance of histaminergic neurons in the orexin-induced arousal responses. Immunohistochemical and electron microscopic techniques revealed direct synaptic interaction between ...
Akihiro, Yamanaka   +9 more
openaire   +2 more sources

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