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Harman, Jarrod C.; Pivodic, Aldina; Nilsson, Anders K.; Boeck, Myriam; Yagi, Hitomi; Neilsen, Katherine; Ko, Minji; Yang, Jay; Kinter, Michael; Hellström, Ann; Fu, Zhongjie
iScience, 10/2023, Letnik: 26, Številka: 10Journal Article
Nutritional deprivation occurring in most preterm infants postnatally can induce hyperglycemia, a significant and independent risk factor for suppressing physiological retinal vascularization (Phase I retinopathy of prematurity (ROP)), leading to compensatory but pathological neovascularization. Amino acid supplementation reduces retinal neovascularization in mice. Little is known about amino acid contribution to Phase I ROP. In mice modeling hyperglycemia-associated Phase I ROP, we found significant changes in retinal amino acids (including most decreased L-leucine, L-isoleucine, and L-valine). Parenteral L-isoleucine suppressed physiological retinal vascularization. In premature infants, severe ROP was associated with a higher mean intake of parenteral versus enteral amino acids in the first two weeks of life after adjustment for treatment group, gestational age at birth, birth weight, and sex. The number of days with parenteral amino acids support independently predicted severe ROP. Further understanding and modulating amino acids may help improve nutritional intervention and prevent Phase I ROP. Display omitted •Hyperglycemia altered amino acid levels in neonatal mouse retinas•Parenteral L-isoleucine suppressed retinal vessel growth in hyperglycemic mouse retinas•Parenteral amino acid in preterm infants correlated with ROP requiring treatment Disease; Biological sciences
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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