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- W2121034108 abstract "Elevated cerebrospinal fluid (CSF) levels of neopterin and beta 2-microglobulin (beta 2MG) reflect activation of the cellular immune response in the central nervous system (CNS). In 118 consecutive subjects [15 controls and 103 patients with human immunodeficiency virus (HIV) infection classified according to the Walter Reed staging system (WR)], neopterin and beta 2MG were determined in paired samples of CSF and serum. The permeability of the blood-CSF barrier and local release of neopterin and beta 2MG were taken into account: The molecular weight and diameter were used to determine filtration at the blood-CSF barrier. CSF neopterin levels were increased in all stages of HIV infection. beta 2MG levels were elevated in WR2 and later stages. Neopterin, beta 2MG, and cell counts similarly showed peaks in WR2, as did neopterin and beta 2MG also in the later stages WR5 and WR6. Neurologically asymptomatic patients exhibited higher neopterin CSF levels than did controls (12.67 +/- 11.6 vs. 2.34 +/- 1.05 nmol/l, P less than 0.001) and higher CSF beta 2MG (2.12 +/- 1.25 vs. 1.3 +/- 0.37 mg/l, P = 0.001). Patients with HIV encephalopathy had higher levels of beta 2MG (3.75 +/- 1.83 mg/l) than asymptomatic patients (P less than 0.01). CSF levels of neopterin were markedly different in patients with HIV encephalopathy and toxoplasmosis (P less than 0.01). A high quantity of local release of the markers neopterin and beta 2MG may reflect HIV infection of the CNS in early and late stages and additional release upon opportunistic infections." @default.
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- W2121034108 date "1992-08-01" @default.
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- W2121034108 title "Expansion of neopterin and beta2-microglobulin in cerebrospinal fluid reaches maximum levels early and late in the course of human immunodeficiency virus infection" @default.
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- W2121034108 doi "https://doi.org/10.1007/bf00180282" @default.
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