Indole amine deficiency in blood and cerebrospinal fluid from patients with human immunodeficiency virus infection - PubMed (original) (raw)

Indole amine deficiency in blood and cerebrospinal fluid from patients with human immunodeficiency virus infection

M Larsson et al. J Neurosci Res. 1989 Aug.

Abstract

Twenty-four patients with human immunodeficiency virus (HIV) infection were investigated for possible changes in certain indole amine constituents in blood and cerebrospinal fluid (CSF). Albumin in serum was determined and used as a rough nutritional marker. Six of the 24 patients had acquired immunodeficiency syndrome AIDS, four had other clinical symptoms of HIV infection, and 14 had no apparent symptoms. The HIV-seropositive patients had significantly decreased tryptophan values; their blood concentrations were 28% lower and their CSF concentrations 30% lower than corresponding values in 14 healthy controls. The blood concentrations of 5-hydroxytryptamine (5-HT) were 50% lower, and the platelet content of 5-HT was 36% lower in HIV-infected individuals than in the control group. The most pronounced changes were invariably seen in the six cases with AIDS and in patients with a low number of CD4+ cells. No significant difference between controls and HIV-seropositive patients was detected in the mean CSF concentrations of 5-hydroxyindoleacetic acid (5-HIAA), although these levels were markedly reduced in four of the HIV patients. Neither was any significant difference seen between patients and controls in the serum concentrations of albumin.

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