CNS 14-3-3zeta: changes with sex but not psychiatric diagnoses or psychotropic drug treatment.

Dean,B, Boer,SA, Mackinnon,A and Berk,M 2007, CNS 14-3-3zeta: changes with sex but not psychiatric diagnoses or psychotropic drug treatment., Schizophrenia Research, vol. 93, no. 1-3, pp. 51-57, doi: 10.1016/j.schres.2007.02.022.

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Title CNS 14-3-3zeta: changes with sex but not psychiatric diagnoses or psychotropic drug treatment.
Author(s) Dean,B
Berk,MORCID iD for Berk,M
Journal name Schizophrenia Research
Volume number 93
Issue number 1-3
Start page 51
End page 57
Publisher Elsevier
Place of publication Netherlands
Publication date 2007-07
ISSN 0920-9964
Keyword(s) Science & Technology
Life Sciences & Biomedicine
antipsychotic drugs
14-3-3 zeta
Summary mRNA for 14-3-3zeta, an abundant signalling protein in human CNS, is reported as decreased or unchanged in cortex from subjects with schizophrenia. Addressing this dichotomy, using Western blot analyses, we measured levels of 14-3-3zeta proteins in cortex and caudate nucleus from subjects with schizophrenia, bipolar disorder, age/sex matched controls and in analogous CNS regions from rats treated with psychotropic drugs. Anti-14-3-3zeta antibody bound to three proteins (molecular weights: 27, 54 and 70 kDa), in all CNS tissue. Levels of all proteins did not vary with diagnoses (27 kDa: F(2,42.0)=0.35, p=0.71; 54 kDa: F(2,42.1)=0.62, p=0.54; 70 kDa: F(2,41.0)=2.43, p=0.10). By contrast, independent of diagnoses, there were significant increases in the levels of the 27 kDa protein (+32%; p<0.001) and 54 kDa protein (51%; p=0.001) in the caudate nucleus from males compared to females. In addition, there was a trend (-25%; p=0.06) to decreased levels of the 70 kDa protein in BA 9 in males compared to females. Treating with haloperidol, olanzapine, lithium or a combination thereof did not alter 14-3-3zeta levels in rat cortex or striatum. Therefore, this study suggests that 14-3-3zeta proteins are not altered in the cortex or caudate nucleus in schizophrenia, bipolar disorder or in analogous regions in psychotropic drug treated rats. By contrast, our study suggests that levels of 14-3-3zeta in some regions of the human CNS may be modulated by some sex-specific mechanism.
Language eng
DOI 10.1016/j.schres.2007.02.022
Field of Research 0 Not Applicable
Socio Economic Objective 0 Not Applicable
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
School of Medicine
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