Glucagon-like peptide-2 in umbilical cord blood from mature infants
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Glucagon-like peptide-2 in umbilical cord blood from mature infants. / Bodé, Susan; Hartmann, Bolette; Holst, Jens Juul; Greisen, Gorm.
I: Neonatology, Bind 91, Nr. 1, 2007, s. 49-53.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Glucagon-like peptide-2 in umbilical cord blood from mature infants
AU - Bodé, Susan
AU - Hartmann, Bolette
AU - Holst, Jens Juul
AU - Greisen, Gorm
PY - 2007
Y1 - 2007
N2 - BACKGROUND: Glucagon-like peptide-2 (GLP-2) seems to be a highly specific intestinotrophic mediator. From animal studies, GLP-2 is known to increase in the early neonatal period before it falls to adult level. No studies in newborn infants addressing this specific subject have been published so far.OBJECTIVES: To measure GLP-2 concentrations in umbilical cord blood from healthy mature infants and to assess any influence from the processes associated with spontaneous birth to GLP-2 production.SUBJECTS: Twenty-one children delivered by elective cesarean section for maternal reasons and 18 children delivered spontaneously vaginally and without complications were included. Gestational age (GA) was median (range) 38.7 (40.7-37.1) weeks and 40.2 (41.9-38) weeks, and birth weight was median (range) 3,210 (4,820-2,100) g and 3,396 (4,225-3,050) g, respectively. The infants had no diagnosed diseases or malformations.METHODS: Umbilical cord blood was collected shortly after birth. Plasma was separated and GLP-2 immunoreactivity was measured with a specific NH(2)-terminal radioimmunoassay.RESULTS: GLP-2 was detected in all samples. Mean values +/-SD were 16.7 +/- 3.9 pmol/l and range was 32-11 pmol/l, which is comparable to adult fasting levels. No significant correlation to birth weight (p = 0.087) or to cesarean section (p = 0.059) was found. In multiple linear regression analysis (GLP-2 vs. GA + cesarean section), neither vaginal delivery nor GA were statistically significantly related to the level of GLP-2 (p = 0.28 and 0.18), respectively.CONCLUSIONS: GLP-2 is present in human cord blood by the time of birth. The level of GLP-2 is comparable to adult fasting levels. Spontaneous birth at most induces a minor increase in GLP-2 in term infants. In the narrow age interval studied, no significant effect of maturation was seen.
AB - BACKGROUND: Glucagon-like peptide-2 (GLP-2) seems to be a highly specific intestinotrophic mediator. From animal studies, GLP-2 is known to increase in the early neonatal period before it falls to adult level. No studies in newborn infants addressing this specific subject have been published so far.OBJECTIVES: To measure GLP-2 concentrations in umbilical cord blood from healthy mature infants and to assess any influence from the processes associated with spontaneous birth to GLP-2 production.SUBJECTS: Twenty-one children delivered by elective cesarean section for maternal reasons and 18 children delivered spontaneously vaginally and without complications were included. Gestational age (GA) was median (range) 38.7 (40.7-37.1) weeks and 40.2 (41.9-38) weeks, and birth weight was median (range) 3,210 (4,820-2,100) g and 3,396 (4,225-3,050) g, respectively. The infants had no diagnosed diseases or malformations.METHODS: Umbilical cord blood was collected shortly after birth. Plasma was separated and GLP-2 immunoreactivity was measured with a specific NH(2)-terminal radioimmunoassay.RESULTS: GLP-2 was detected in all samples. Mean values +/-SD were 16.7 +/- 3.9 pmol/l and range was 32-11 pmol/l, which is comparable to adult fasting levels. No significant correlation to birth weight (p = 0.087) or to cesarean section (p = 0.059) was found. In multiple linear regression analysis (GLP-2 vs. GA + cesarean section), neither vaginal delivery nor GA were statistically significantly related to the level of GLP-2 (p = 0.28 and 0.18), respectively.CONCLUSIONS: GLP-2 is present in human cord blood by the time of birth. The level of GLP-2 is comparable to adult fasting levels. Spontaneous birth at most induces a minor increase in GLP-2 in term infants. In the narrow age interval studied, no significant effect of maturation was seen.
KW - Birth Weight
KW - Delivery, Obstetric
KW - Female
KW - Fetal Blood
KW - Gestational Age
KW - Glucagon-Like Peptide 2
KW - Humans
KW - Infant, Newborn
KW - Male
KW - Regression Analysis
U2 - 10.1159/000096971
DO - 10.1159/000096971
M3 - Journal article
C2 - 17344652
VL - 91
SP - 49
EP - 53
JO - Neonatology
JF - Neonatology
SN - 1661-7800
IS - 1
ER -
ID: 132050270