Comparative immunocytochemical localization of putative opioid ligands in the central nervous system |
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Authors: | K Stengaard-Pedersen L -I Larsson |
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Institution: | (1) Institute of Medical Biochemistry, University of Aarhus, Aarhus, Denmark |
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Abstract: | Summary We report a detailed comparative immunocytochemical mapping of enkephalin, CCK and ACTH/gb-endorphin immunoreactive nerves in the central nervous system of rat and guinea pig. Enkephalin immunoreactivity was detected in many groups of nerve cell bodies, fibers and terminals in the limbic system, basal ganglia, hypothalamus, thalamus, brain stem and spinal cord. -endorphin and ACTH immunoreactivity was limited to a single group of nerve cell bodies in and around the arcuate nucleus and in fibers and terminals in the midline areas of the hypothalamus, thalamus and mesencephalic periaqueductal gray with lateral extensions to the amygdaloid area. Cholecystokinin immunoreactive nerve fibers and terminals displayed a distribution similar to that of enkephalin in many regions; but striking differences were also found. An immunocytochemical doublestaining technique, which allowed simultaneous detection of two different peptides in the same tissue section, showed that enkephalin-, CCK- and ACTH/ -endorphin-immunoreactive nerves although closely intermingled in many brain areas, occurred separately. The distributions of nerve terminals containing these neuropeptides showed striking overlaps and also paralleled the distribution of opiate receptors. This may suggest that enkephalin, CCK, ACTH and -endorphin may interact with each other and with opiate receptors.Index of Abbreviations CA
Commissura anterior
- CAI
Capsula interna
- CO
Chiasma opticum
- CPF
Cortex piriformis
- CSDD
Commissura supraoptica dorsalis, pars dorsalis (Ganser)
- CSDV
Commissura supraoptica dorsalis, pars ventralis (Meynert)
- FMP
Fasciculus medialis prosencephali
- FOR
Formatio reticularis
- GD
Gyrus dentatus
- GP
Glubus pallidus
- H
Habenula
- HI
Hippocampus
- S
Subiculum
- SGCD
Substantia grisea centralis, pars dorsalis
- SGCL
Substantia grisea centralis, pars lateralis
- SGPV
Substantia grisea periventricularis
- SNC
Substantia nigra, zona compacta
- SNL
Substantia nigra, pars lateralis
- ST
Stria terminalis
- STP
Stria terminalis, pars precommissuralis
- TD
Tractus diagonalis (Broca)
- TO
Tractus opticus
- TSHT
Tractus septohypothalamicus
- TUOP
Tuberculum olfactorium, pars corticalis
- SUM
Decussatio supramamillaris
- a
Nucleus accumbens
- ac
Nucleus amygdaloideus centralis
- aco
Nucleus amygdaloideus corticalis
- am
Nucleus amygdaloideus medialis
- ar
Nucleus arcuatus
- cp
Nucleus caudatus putamen
- dcgl
Nucleus dorsalis corporis geniculati lateralis
- em
Eminentia mediana
- fm
Nucleus paraventricularis, pars magnocellularis
- fp
Nucleus paraventricularis, pars parvocellularis
- ha
Nucleus anterior (hypothalami)
- hd
Nucleus dorsomedialis (hypothalami)
- hl
Nucleus lateralis (hypothalami)
- hp
Nucleus posterior (hypothalami)
- hpv
Nucleus periventricularis (hypothalami)
- hv
Nucleus ventromedialis (hypothalami)
- ip
Nucleus interpeduncularis
- mcgm
Nucleus marginalis corporis geniculatic medialis
- mm
Nucleus mammillaris medialis
- ml
Nucleus mammillaris lateralis
- mh
Nucleus medialis habenulae
- p
Nucleus pretectalis
- pf
Nucleus parafascicularis
- pom
Nucleus preopticus medialis
- pop
Nucleus preopticus periventricularis
- posc
Nucleus preopticus, pars suprachiasmatica
- pt
Nucleus paratenialis
- pvs
Nucleus periventricularis stellatocellularis
- re
Nucleus reuniens
- sc
Nucleus suprachiasmaticus
- sl
Nucleus septi lateralis
- so
Nucleus supraopticus
- st
Nucleus interstitialis striae terminalis
- tad
Nucleus anterior dorsalis thalami
- tam
Nucleus anterior medialis thalami
- tav
Nucleus anterior ventralis thalami
- td
Nucleus tractus diagonalis (Broca)
- th
Nuclei thalami
- tl
Nucleus lateralis thalami
- tlp
Nucleus lateralis thalami, pars posterior
- tm
Nucleus medialis thalami
- tml
Nucleus medialis thalami, pars lateralis
- tmm
Nucleus medialis thalami, pars medialis
- tpo
Nucleus posterior thalami
- tr
Nucleus reticularis thalami
- tv
Nucleus ventralis thalami
- tvd
Nucleus ventralis thalami, pars dorsomedialis
- tvm
Nucleus ventralis medialis thalami, pars magnocellularis |
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