Glucose-6-phosphate dehydrogenase deficiency and metabolic profiling in adolescence from the Chinese birth cohort: “Children of 1997”

Man Ki Kwok, Gabriel M. Leung, Shiu Lun Au Yeung, C. Mary Schooling

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Abstract

Background: Glucose-6-phosphate dehydrogenase (G6PD) deficiency affects 6.0% of the global population. G6PD deficiency has been associated with lower risk of cardiovascular disease and higher risk of diabetes, which could be etiologically informative, but these relations are uncertain. To clarify, we assessed the associations of G6PD deficiency with serum metabolite profiles in late adolescence. Methods: In a nested case-control study of 50 G6PD-deficient late adolescents (~17.5 years) and 150 sex-matched non-G6PD-deficient controls from a Chinese birth cohort: “Children of 1997”, we compared 80 serum metabolites analyzed by nuclear magnetic resonance spectrometry using adjusted linear regression with Bonferroni correction for testing 12 traits (p < 0.0042). Results: G6PD-deficiency was inversely associated with serum levels of total cholesterol (−0.27 mmol, 95% confidence interval (CI) −0.46, −0.09, p = 0.004), free cholesterol (−0.08 mmol, 95% CI −0.13, −0.03, p = 0.003) and creatinine (−0.004 mmol, 95% CI −0.007, −0.001, p = 0.003), adjusted for sex and parental education. G6PD deficiency was not associated with fatty acids, amino acids, glucose or related metabolites, ketone bodies or glycoprotein. Conclusions: G6PD deficiency is associated with lower serum levels of cholesterol and creatinine, but not other serum metabolites. Whether such differences are transient or become more evident in adulthood warrant further investigations.

Original languageEnglish
Pages (from-to)146-149
Number of pages4
JournalInternational Journal of Cardiology
Volume281
DOIs
Publication statusPublished - 15 Apr 2019

Keywords

  • Adolescence
  • Cardiovascular disease risk factors
  • Cohort studies
  • G6PD deficiency
  • Metabolomics

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