Quantitative autoradiography of muscarinic and benzodiazepine receptors in the forebrain of the turtle, Pseudemys scripta. Schlegel, J R & Kriegstein, A R J Comp Neurol, 265(4):521–529, United States, November, 1987. abstract bibtex The distribution of muscarinic and benzodiazepine receptors was investigated in the turtle forebrain by the technique of in vitro receptor autoradiography. Muscarinic binding sites were labeled with 1 nM 3H-quinuclidinyl benzilate (3H-QNB), and benzodiazepine sites were demonstrated with the aid of 1 nM 3H-flunitrazepam (3H-FLU). Autoradiograms generated on 3H-Ultrofilm apposed to tissue slices revealed regionally specific distributions of muscarinic and benzodiazepine binding sites that are comparable with those for mammalian brain. Dense benzodiazepine binding was found in the anterior olfactory nucleus, the lateral and dorsal cortices, and the dorsal ventricular ridge (DVR), a structure with no clear mammalian homologue. Muscarinic binding sites were most dense in the striatum, accumbens, DVR, lateral geniculate, and the anterior olfactory nucleus. Cortical binding sites were studied in greater detail by quantitative analysis of autoradiograms generated by using emulsion-coated coverslips. Laminar gradients of binding were observed that were specific for each radioligand; 3H-QNB sites were most dense in the inner molecular layer in all cortical regions, whereas 3H-FLU binding was generally most concentrated in the outer molecular layer and was least dense through all layers in the dorsomedial cortex. Because pyramidal cells are arranged in register in turtle cortex, the laminar patterns of receptor binding may reflect different receptor density gradients along pyramidal cell dendrites.
@ARTICLE{Schlegel1987-og,
title = "Quantitative autoradiography of muscarinic and benzodiazepine
receptors in the forebrain of the turtle, Pseudemys scripta",
author = "Schlegel, J R and Kriegstein, A R",
abstract = "The distribution of muscarinic and benzodiazepine receptors was
investigated in the turtle forebrain by the technique of in vitro
receptor autoradiography. Muscarinic binding sites were labeled
with 1 nM 3H-quinuclidinyl benzilate (3H-QNB), and benzodiazepine
sites were demonstrated with the aid of 1 nM 3H-flunitrazepam
(3H-FLU). Autoradiograms generated on 3H-Ultrofilm apposed to
tissue slices revealed regionally specific distributions of
muscarinic and benzodiazepine binding sites that are comparable
with those for mammalian brain. Dense benzodiazepine binding was
found in the anterior olfactory nucleus, the lateral and dorsal
cortices, and the dorsal ventricular ridge (DVR), a structure
with no clear mammalian homologue. Muscarinic binding sites were
most dense in the striatum, accumbens, DVR, lateral geniculate,
and the anterior olfactory nucleus. Cortical binding sites were
studied in greater detail by quantitative analysis of
autoradiograms generated by using emulsion-coated coverslips.
Laminar gradients of binding were observed that were specific for
each radioligand; 3H-QNB sites were most dense in the inner
molecular layer in all cortical regions, whereas 3H-FLU binding
was generally most concentrated in the outer molecular layer and
was least dense through all layers in the dorsomedial cortex.
Because pyramidal cells are arranged in register in turtle
cortex, the laminar patterns of receptor binding may reflect
different receptor density gradients along pyramidal cell
dendrites.",
journal = "J Comp Neurol",
volume = 265,
number = 4,
pages = "521--529",
month = nov,
year = 1987,
address = "United States",
language = "en"
}
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Autoradiograms generated on 3H-Ultrofilm apposed to tissue slices revealed regionally specific distributions of muscarinic and benzodiazepine binding sites that are comparable with those for mammalian brain. Dense benzodiazepine binding was found in the anterior olfactory nucleus, the lateral and dorsal cortices, and the dorsal ventricular ridge (DVR), a structure with no clear mammalian homologue. Muscarinic binding sites were most dense in the striatum, accumbens, DVR, lateral geniculate, and the anterior olfactory nucleus. Cortical binding sites were studied in greater detail by quantitative analysis of autoradiograms generated by using emulsion-coated coverslips. Laminar gradients of binding were observed that were specific for each radioligand; 3H-QNB sites were most dense in the inner molecular layer in all cortical regions, whereas 3H-FLU binding was generally most concentrated in the outer molecular layer and was least dense through all layers in the dorsomedial cortex. Because pyramidal cells are arranged in register in turtle cortex, the laminar patterns of receptor binding may reflect different receptor density gradients along pyramidal cell dendrites.","journal":"J Comp Neurol","volume":"265","number":"4","pages":"521–529","month":"November","year":"1987","address":"United States","language":"en","bibtex":"@ARTICLE{Schlegel1987-og,\n title = \"Quantitative autoradiography of muscarinic and benzodiazepine\n receptors in the forebrain of the turtle, Pseudemys scripta\",\n author = \"Schlegel, J R and Kriegstein, A R\",\n abstract = \"The distribution of muscarinic and benzodiazepine receptors was\n investigated in the turtle forebrain by the technique of in vitro\n receptor autoradiography. Muscarinic binding sites were labeled\n with 1 nM 3H-quinuclidinyl benzilate (3H-QNB), and benzodiazepine\n sites were demonstrated with the aid of 1 nM 3H-flunitrazepam\n (3H-FLU). Autoradiograms generated on 3H-Ultrofilm apposed to\n tissue slices revealed regionally specific distributions of\n muscarinic and benzodiazepine binding sites that are comparable\n with those for mammalian brain. Dense benzodiazepine binding was\n found in the anterior olfactory nucleus, the lateral and dorsal\n cortices, and the dorsal ventricular ridge (DVR), a structure\n with no clear mammalian homologue. Muscarinic binding sites were\n most dense in the striatum, accumbens, DVR, lateral geniculate,\n and the anterior olfactory nucleus. Cortical binding sites were\n studied in greater detail by quantitative analysis of\n autoradiograms generated by using emulsion-coated coverslips.\n Laminar gradients of binding were observed that were specific for\n each radioligand; 3H-QNB sites were most dense in the inner\n molecular layer in all cortical regions, whereas 3H-FLU binding\n was generally most concentrated in the outer molecular layer and\n was least dense through all layers in the dorsomedial cortex.\n Because pyramidal cells are arranged in register in turtle\n cortex, the laminar patterns of receptor binding may reflect\n different receptor density gradients along pyramidal cell\n dendrites.\",\n journal = \"J Comp Neurol\",\n volume = 265,\n number = 4,\n pages = \"521--529\",\n month = nov,\n year = 1987,\n address = \"United States\",\n language = \"en\"\n}\n\n","author_short":["Schlegel, J R","Kriegstein, A R"],"key":"Schlegel1987-og","id":"Schlegel1987-og","bibbaseid":"schlegel-kriegstein-quantitativeautoradiographyofmuscarinicandbenzodiazepinereceptorsintheforebrainoftheturtlepseudemysscripta-1987","role":"author","urls":{},"metadata":{"authorlinks":{}}},"bibtype":"article","biburl":"https://bibbase.org/f/EJMp3HRuxirjxpcXh/references.bib","dataSources":["sAFYeB74DpbdXM9NN","4zx9n2tbeLTix3Wxr","k3cdWrThyTh5o59Rm","hq9pebjzmsTuyxGGx","h8Atv2SAy4PmShg5j"],"keywords":[],"search_terms":["quantitative","autoradiography","muscarinic","benzodiazepine","receptors","forebrain","turtle","pseudemys","scripta","schlegel","kriegstein"],"title":"Quantitative autoradiography of muscarinic and benzodiazepine receptors in the forebrain of the turtle, Pseudemys scripta","year":1987}