DOSE PLASMA HOMOVANILLIC ACID LEVELS CHANGE WHEN SCHIZOPHRENIC PATIENTS GET WORSE?

1992 ◽  
Vol 15 ◽  
pp. 259B
Author(s):  
E. Suzuki ◽  
S. Kanba ◽  
M. Nibuya ◽  
F. Shintani ◽  
N. Kinoshita ◽  
...  
Keyword(s):  
Homovanillic Acid ◽  
Schizophrenic Patients

Influence of renal clearance on peripheral homovanillic acid measurements in healthy subjects and schizophrenic patients

1993 ◽  
Vol 11 (1) ◽  
pp. 33-40 ◽  
Author(s):  
Charles L. Whelton ◽  
Ram N. Gupta ◽  
John M. Cleghorn ◽  
Shannon R. Ballagh
Keyword(s):  
Renal Clearance ◽  
Healthy Subjects ◽  
Homovanillic Acid ◽  
Schizophrenic Patients

The effect of chlorpromazine on homovanillic acid levels in cerebrospinal fluid of schizophrenic patients

1974 ◽  
Vol 35 (4) ◽  
pp. 287-294 ◽  
Author(s):  
Bengt Fyr� ◽  
Birgitta Wode-Helgodt ◽  
Stefan Borg ◽  
G�ran Sedvall
Keyword(s):  
Cerebrospinal Fluid ◽  
Homovanillic Acid ◽  
Schizophrenic Patients

Low CSF Concentrations of Cyclic GMP in Schizophrenia

1983 ◽  
Vol 142 (3) ◽  
pp. 288-291 ◽  
Author(s):  
W. F. Gattaz ◽  
H. Cramer ◽  
H. Beckmann
Keyword(s):  
Cerebrospinal Fluid ◽  
Cyclic Gmp ◽  
Homovanillic Acid ◽  
Healthy Controls ◽  
Neuroleptic Treatment ◽  
Cholinergic Activity ◽  
Schizophrenic Patients ◽  
Csf Levels

SummaryIncreasing evidence suggests that the concentrations of cyclic guanosine 3′5′-monophosphate (cGMP) in the cerebrospinal fluid (CSF) may reflect central cholinergic activity. When the concentrations of this nucleotide in the CSF from 28 schizophrenic patients (13 without and 15 with neuroleptic treatment) and 16 psychiatrically healthy controls was determined the schizophrenics showed significantly lower CSF levels of cGMP as compared to controls.As dopamine and homovanillic acid concentrations were not altered in these CSF samples, this finding of reduced cGMP suggests a cholinergic-dopaminergic imbalance in schizophrenia, with a reduction of the former and consequently a relative dominance of the latter.

MEASUREMENTS OF PLASMA HOMOVANILLIC ACID IN SCHIZOPHRENIC PATIENTS

1992 ◽  
Vol 15 ◽  
pp. 521A-522A ◽  
Author(s):  
M. DAVIDSON ◽  
R. S. KAHN ◽  
R. G. STERN ◽  
P. D. HARVEY ◽  
R. KEEFE ◽  
...  
Keyword(s):  
Homovanillic Acid ◽  
Schizophrenic Patients

Plasma homovanillic acid differences between predominant positive and negative first-episode schizophrenic patients

2003 ◽  
Vol 60 (1) ◽  
pp. 98
Author(s):  
M. Bernardo ◽  
I. Baeza ◽  
R. Deulofeu ◽  
J. Goti ◽  
M.T. Plana
Keyword(s):  
Homovanillic Acid ◽  
First Episode ◽  
Schizophrenic Patients

Plasma homovanillic acid in schizophrenic patients: Index of central dopamine tum over, diagnostic and pronostlc interest

1997 ◽  
Vol 42 (1) ◽  
pp. 184S
Author(s):  
N. Aymard ◽  
I. Stein ◽  
A. Galinowski ◽  
A. Viala ◽  
F. Caroli ◽  
...  
Keyword(s):  
Homovanillic Acid ◽  
Schizophrenic Patients

Inter- and intra-individual variability in the levels of plasma homovanillic acid in schizophrenic patients

2007 ◽  
Vol 31 (3) ◽  
pp. 713-719 ◽  
Author(s):  
Mercedes Zumárraga ◽  
Ricardo Dávila ◽  
Miguel Angel González-Torres ◽  
Juan B. Anguiano ◽  
María José Zabalo ◽  
...  
Keyword(s):  
Homovanillic Acid ◽  
Individual Variability ◽  
Schizophrenic Patients
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