Journal of clinical lipidology · 2015
Apolipoprotein A-V concentration in preterm infants.
СтатьяНазвание и аннотация: Перевод в очереди
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Kayama Kazunori, Okada Tomoo, Fuwa Kazumasa, Nagano Nobuhiko, Hosono Shigeharu, Takahashi Shigeru, Takahashi Shori
Аннотация
BACKGROUND: Fetal organs require much lipid for growth, but the cord blood had low TG concentrations, compared to adult serum. We investigated the association between the concentration of apolipoprotein A-V (apoA-V) and lipid profile in cord blood and neonatal serum.
OBJECTIVE: ApoA-V was identified as an important determinant of plasma triglyceride concentrations. We sought to determine the association between serum apoA-V concentrations and lipoprotein profile in preterm infants and its early postnatal change.
METHODS: Sixty-three neonates (35 males and 28 females; 15 term and 48 preterm) were included. Serum lipoprotein profile and apoA-V concentrations were determined at birth and 1 month.
RESULTS: Cord blood apoA-V concentrations in appropriate-for-gestational age infants were extremely low (13.1 ± 3.4 ng/mL in term infants, 4.4 ± 0.9 ng/mL in preterm infants) compared with adult values, and those of small-for-gestational age infants were further low (6.4 ± 4.2 ng/mL, 2.2 ± 1.3 ng/mL, respectively). During the first month, serum apoA-V concentration markedly increased, and the concentration of preterm appropriate-for-gestational age infants caught up, whereas that of preterm small-for-gestational age infants did not. At birth, apoA-V concentration positively correlated with gestational age (r = 0.354, P = .0069) but not with birth weight Z-score. ApoA-V concentration had a positive association with very low-density lipoprotein triglyceride concentrations (r = 0.646, P < .0001), and the relationships still remained at 1 month (r = 0.283, P = .0348).
CONCLUSIONS: ApoA-V in neonates was unique in its serum concentration and in the association with lipoprotein profile.
OBJECTIVE: ApoA-V was identified as an important determinant of plasma triglyceride concentrations. We sought to determine the association between serum apoA-V concentrations and lipoprotein profile in preterm infants and its early postnatal change.
METHODS: Sixty-three neonates (35 males and 28 females; 15 term and 48 preterm) were included. Serum lipoprotein profile and apoA-V concentrations were determined at birth and 1 month.
RESULTS: Cord blood apoA-V concentrations in appropriate-for-gestational age infants were extremely low (13.1 ± 3.4 ng/mL in term infants, 4.4 ± 0.9 ng/mL in preterm infants) compared with adult values, and those of small-for-gestational age infants were further low (6.4 ± 4.2 ng/mL, 2.2 ± 1.3 ng/mL, respectively). During the first month, serum apoA-V concentration markedly increased, and the concentration of preterm appropriate-for-gestational age infants caught up, whereas that of preterm small-for-gestational age infants did not. At birth, apoA-V concentration positively correlated with gestational age (r = 0.354, P = .0069) but not with birth weight Z-score. ApoA-V concentration had a positive association with very low-density lipoprotein triglyceride concentrations (r = 0.646, P < .0001), and the relationships still remained at 1 month (r = 0.283, P = .0348).
CONCLUSIONS: ApoA-V in neonates was unique in its serum concentration and in the association with lipoprotein profile.