ArticleJPGN reports2026
Gamma-glutamyltransferase and immunoglobulin G in intestinal maturation: Pilot study in preterm and term infants and the influence of breast milk.
Article in JPGN reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Gamma-glutamyltransferase (γGT), a key enzyme in glutathione metabolism, is abundant in colostrum and may indicate neonatal gastrointestinal maturation, although normative serum values and associations with breast milk intake remain unclear, particularly in preterm infants. In this prospective study, serum γGT was measured in 84 neonates, including 36 born before 32 weeks' gestation and 48 born at or after 32 weeks, across the first 4 postnatal weeks. Breast milk γGT was analyzed in samples from 107 mothers, and correlations with colostrum intake were assessed in 66 neonates. Serum γGT remained relatively stable (110-130 U/L). Preterm infants receiving colostrum had higher γGT in Week 1 than non-exposed infants, although not conventionally significant, and lower values by Week 4 (138.7 vs. 91.7 U/L,
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