1989
DOI: 10.1016/0306-4522(89)90080-8
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Compartmental origins of striatal efferent projections in the cat

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Cited by 153 publications
(92 citation statements)
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“…The projection neurons from the dorsal striatum to the VTA and SNPC are of particular interest. These projection neurons are contained within the patch compartments of the patch-and-matrix structure of the dorsal striatum, which are well known for their high levels of MOR expression (Jimenez-Castellanos and Graybiel, 1989;Desban et al, 1993). MOR in these compartments is predominantly extrasynaptic and responds to enkephalin released locally to modulate neuronal activity (Wang et al, 1996;Steiner and Gerfen, 1998).…”
Section: Neuroanatomical Connections Between Dorsal and Ventral Striatummentioning
confidence: 99%
“…The projection neurons from the dorsal striatum to the VTA and SNPC are of particular interest. These projection neurons are contained within the patch compartments of the patch-and-matrix structure of the dorsal striatum, which are well known for their high levels of MOR expression (Jimenez-Castellanos and Graybiel, 1989;Desban et al, 1993). MOR in these compartments is predominantly extrasynaptic and responds to enkephalin released locally to modulate neuronal activity (Wang et al, 1996;Steiner and Gerfen, 1998).…”
Section: Neuroanatomical Connections Between Dorsal and Ventral Striatummentioning
confidence: 99%
“…In rat, cat, and primate, striosomes receive input primarily from prefrontal cortex, insular cortex, and amygdala, whereas the major projection to matrix is from association and sensorimotor cortex (2,27,28). Within the feline and rat neostriatum, interneurons may function to allow striosomal/matrix interactions (29-31).Separate striatal circuitry is preserved for efferent connections of striatum, with striosomal neurons projecting mainly to the substantia nigra pars compacta (SNc) and the majority of matrix neurons projecting to the globus pallidus pars externa (GPe), the globus pallidus pars interna (GPi), and substantia nigra pars reticulata (SNr) in rat (2, 4, 13, 31, 32), cat (10, 33), and primate (6,8,34,35). Striatal projection neurons contain y-aminobutyric acid as a neurotransmitter but may be differentiated by the presence or absence of neuropeptides such as substance P, dynorphin, and enkephalin (33,36,37 …”
mentioning
confidence: 99%
“…Separate striatal circuitry is preserved for efferent connections of striatum, with striosomal neurons projecting mainly to the substantia nigra pars compacta (SNc) and the majority of matrix neurons projecting to the globus pallidus pars externa (GPe), the globus pallidus pars interna (GPi), and substantia nigra pars reticulata (SNr) in rat (2,4,13,31,32), cat (10,33), and primate (6,8,34,35). Striatal projection neurons contain y-aminobutyric acid as a neurotransmitter but may be differentiated by the presence or absence of neuropeptides such as substance P, dynorphin, and enkephalin (33,36,37 (42) or predominantly in striosomes (19,43), and in human, cholinergic Ml binding sites (25) have been reported to be increased in striosomes relative to matrix.…”
mentioning
confidence: 99%
“…However, it should be noted that previous de scriptions of these projections have been based on different tra cing techniques, i.e. the anterograde tridated amino acid tracing [26,27 ] or retrograde tracing [ 42]. It is possible that PI-IA-L and BDA used in the present study, are less suitable to visualize small calibre mesostriatal liber systems over such long distances in cats.…”
Section: Rrn-efferents To the Telencephalonmentioning
confidence: 90%
“…As such, the A8 cell group can control the activity in these two striatal domains. Fourth, both the projections from the SNC to the dorsal striatum and the projections from the VTA to the ventral striatum are reciprocal [24,27,35], suggesting that the A9 and A 10 nuclei receive direct feedback from their respective target areas in the striatum. In contrast, the dorsal striatal A8-innervated region has no projection back to the A8 cell group, implying that there does not exist such a feedback loop [19,20,27,30,37, see however ref.…”
Section: Introductionmentioning
confidence: 99%