A re-investigation of the behavioural effects of intracerebral injection in marmosets of cytopathic cerebrospinal fluid from patients with schizophrenia or neurological disease

Psychological Medicine
H F BakerD A Tyrrell

Abstract

In experiments designed to investigate transmission, cerebrospinal fluid (CSF) from patients with schizophrenia or neurological disease (Huntington's disease) which had been found to induce a cytopathic effect (CPE) in human embryonic fibroblast cell culture was injected intracerebrally into common marmosets. Behavioural observations were made on the animals during a period of 2 1/2 years prior to injection and for 2 1/2 years after injection. In an earlier study (Baker et al. 1983 b) we found that animals injected with CPE + ve CSF became progressively more inactive when compared with those injected with non-cytopathic (CPE -ve) CSF from control patients. In the present study we were unable to replicate this finding. No difference in behaviour emerged between animals injected with control CSF and animals injected with CSF from schizophrenics or patients with neurological disease, nor between animals injected with CPE + ve CSF and animals injected with CPE -ve CSF. The numbers of offspring produced and surviving did not differ between the groups. We conclude that the original findings were due to factors unconnected with the nature of the injected material.

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Citations

Oct 27, 2009·Experimental Brain Research·Leonie Maria Hilti, Peter Brugger
Dec 20, 2005·Journal of Neural Transmission·R M RidleyR M Cummings
Feb 22, 2011·The European Physical Journal. E, Soft Matter·A Moradian, M F Miri
Jan 1, 1995·Clinical Microbiology Reviews·R H Yolken, E F Torrey

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