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. 2022 Jul 8;19(14):8353. doi: 10.3390/ijerph19148353

Table 1.

Brain expression sites for OX1R and OX2R [18,23,24,25,26].

OX1R Expression Site OX2R Expression Site
Nucleus of the Solitary Tract (NTS) Nucleus of the Solitary Tract (NTS)
Pedunculopontine/Latero-Dorsal Tegmental Nucleus (PPT/LDT) Arcuate Nucleus (ARC)
Locus Coeruleus (LC) Pedunculopontine/Latero-Dorsal Tegmental Nucleus (PPT/LDT)
Ventral Tegmental Area (VTA) Locus Coeruleus (LC)
Dorsal Raphe Nucleus (DRN) Ventral Tegmental Area (VTA)
Anterior Hypothalamus Dorsal Raphe Nucleus (DRN)
Bed Nucleus of the Stria Terminalis (BNST) Paraventricular Thalamus (PVT)
Basal Forebrain (BF) Paraventricular Nucleus (PVN)
Paraventricular Thalamus (PVT) Preoptic Area (POA)
Paraventricular Nucleus (PVN) Lateral Hypothalamus (LH)
Preoptic Area (POA) Basal Forebrain (BF)
Hippocampus (CA1 And CA2) Bed Nucleus of the Stria Terminalis (BNST)
Dentate Gyrus (DG) Dorsomedial Hypothalamic Nucleus (DMH)
Amygdala Tuberomammillary Nucleus (TMN)
Ventral Pallidum (VP) Hippocampus (CA3)
Olfactory Bulb (OB) Dentate Gyrus (DG)
Prefrontal and Infralimbic Cortex (IL) Amygdala
Insular Cortex (IC) Nucleus Accumbens (NAC)
Lateral Septum (LS)
Medial Septum (MS)
Anterior Commissure (AC)