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Factors influencing serum neopterin and β2-microglobulin levels in a healthy diverse population

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Abstract

Sera and questionnaire data from a population-based random sample of healthy adults was used to evaluate factors influencing neopterin and β2-microglobulin (β2m) values. Both neopterin and β2m levels increased with age and were higher among white than blacks (mean values for whites and blacks: neopterin, 5.06 vs 4.49 nmol/L; β2m, 1.36 vs 1.28 mg/L). Gender differences were noted for β2m but not neopterin values (β2m males vs females: 1.37 vs 1.29 mg/L). Neopterin values were lower among current smokers than among nonsmokers (4.32 vs 5.16 nmol/L) and were higher among users of antihistamines (5.46 among users vs 4.65 nmol/L among nonusers). Neopterin and β2m were correlated in this healthy adult population (adjustedr=0.53,P=0.001), yet no other interrelationships with numerous biologic markers except between β2m and serum-soluble interleukin-2 receptor levels (adjustedr=.41,P=0.05) were observed. These findings provide important baseline information to consider before planning or evaluating studies utilizing neopterin or β2m levels.

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Diamondstone, L.S., Tollerud, D.J., Fuchs, D. et al. Factors influencing serum neopterin and β2-microglobulin levels in a healthy diverse population. J Clin Immunol 14, 368–374 (1994). https://doi.org/10.1007/BF01546321

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