Distribution of beta‐adrenergic receptor subtypes in human post‐mortem brain: Alterations in limbic regions of schizophrenics

Jeffrey N. Joyce, Nedra Lexow, Soo Jin Kim, Roman Artymyshyn, Shari Senzon, David Lawerence, Manuel F. Cassanova, Joel Kleinman, Edward D. Bird, Andrew Winokur

Research output: Contribution to journalArticle

Abstract

The distribution of the beta11) and beta22) subtypes of the β‐adrenergic receptor was examined in rat and nondiseased control human tissue. The distribution of the β1 and β2 receptors was also examined in schizophrenic cases, with additional studies in schizophrenic suicide and nonschizophrenic suicide cases. Scatchard analysis of the binding of [125I]iodopindolol (IPIN) to cortical membranes showed a similar Kd in human (177 pM) and rat (161 pM), but a lower maximum binding site (Bmax) in the human tissue (18.7 fmol/mg protein and 55.6 fmol/mg protein). For the autoradiographic studies [125I]IPIN was used to visualize both subtypes (total) or was displaced with the selective β1‐receptor antagonist ICI‐89,406 to visualize β2 sites, or with the selective β2‐receptor antagonist ICI‐118,551 to visualize β1 sites. Important differences in the regional distribution of the two subtypes of the β‐adrenergic receptors were noted between rat and human. In the nucleus accumbens and ventral putamen (ventral striatum), a patchy distribution of β1 receptors was observed that was not evident in the rat. These patches were aligned with markers of the matrix compartment of the striatum. The schizophrenic cases showed significant increases in the labeling of the β1‐receptor patches with [125I]IPIN. In contrast to the frontal cortex of the nondisease controls, the parietal and temporal cortex showed a high ratio of β1 to β2 receptors and a highly laminar organization of the subtypes. [125I]IPIN binding to β1 receptors was highest in the external laminae with the reverse gradient for the β2 subtype. The medial temporal cortex displayed an alteration in the ratio of the 2 subtypes of the β‐adrenergic receptor, with the parahippocampus and hippocampus of the human, in contrast to the rat brain, predominantly expressing the β2 receptor. Moreover, there were consistently higher densities of β2 receptors in the hippocampus of the right hemisphere than the left hemisphere of the nondisease controls. There was not a left and right hemispheric asymmetry of β2 receptors in the hippocampus of elderly schizophrenics or in young schizophrenics who committed suicide. The asymmetry was evident in nonschizophrenic suicides, suggesting that the lack of asymmetry in the hippocampus of schizophrenics is evident early in the disease process. Thus limbic structures show alterations in the patterning of β1 and β2 receptors in the schizophrenic cases.

Original languageEnglish (US)
Pages (from-to)228-246
Number of pages19
JournalSynapse
Volume10
Issue number3
DOIs
StatePublished - 1992
Externally publishedYes

Fingerprint

Suicide
Hippocampus
Adrenergic Receptors
Brain
Temporal Lobe
Parietal Lobe
Putamen
Nucleus Accumbens
Frontal Lobe
Proteins
Binding Sites
Membranes

Keywords

  • Basal ganglia
  • Beta (β) receptor
  • Beta (β) receptor
  • Cortex
  • Hippocampus

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Joyce, J. N., Lexow, N., Kim, S. J., Artymyshyn, R., Senzon, S., Lawerence, D., ... Winokur, A. (1992). Distribution of beta‐adrenergic receptor subtypes in human post‐mortem brain: Alterations in limbic regions of schizophrenics. Synapse, 10(3), 228-246. https://doi.org/10.1002/syn.890100306

Distribution of beta‐adrenergic receptor subtypes in human post‐mortem brain : Alterations in limbic regions of schizophrenics. / Joyce, Jeffrey N.; Lexow, Nedra; Kim, Soo Jin; Artymyshyn, Roman; Senzon, Shari; Lawerence, David; Cassanova, Manuel F.; Kleinman, Joel; Bird, Edward D.; Winokur, Andrew.

In: Synapse, Vol. 10, No. 3, 1992, p. 228-246.

Research output: Contribution to journalArticle

Joyce, JN, Lexow, N, Kim, SJ, Artymyshyn, R, Senzon, S, Lawerence, D, Cassanova, MF, Kleinman, J, Bird, ED & Winokur, A 1992, 'Distribution of beta‐adrenergic receptor subtypes in human post‐mortem brain: Alterations in limbic regions of schizophrenics', Synapse, vol. 10, no. 3, pp. 228-246. https://doi.org/10.1002/syn.890100306
Joyce, Jeffrey N. ; Lexow, Nedra ; Kim, Soo Jin ; Artymyshyn, Roman ; Senzon, Shari ; Lawerence, David ; Cassanova, Manuel F. ; Kleinman, Joel ; Bird, Edward D. ; Winokur, Andrew. / Distribution of beta‐adrenergic receptor subtypes in human post‐mortem brain : Alterations in limbic regions of schizophrenics. In: Synapse. 1992 ; Vol. 10, No. 3. pp. 228-246.
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