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- Domellöf, Magnus, et al.
(författare)
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Effects of mode of oral iron administration on serum ferritin and haemoglobin in infants
- 2008
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 97:8, s. 1055-1060
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Tidskriftsartikel (refereegranskat)abstract
- Aim: To investigate effects of iron-fortified foods (FFs) and medicinal iron drops (MD) on iron status in infants. Methods: Data from one MD and one FF study were compared. Infants were divided into groups depending on the predominant source and amount of dietary iron during 6–9 months of age: MD: Medicinal iron drops (1 mg/kg/day). FF: iron intake >1.3 mg/kg/day, predominantly from FF and no iron supplements. Low iron (LI) group: iron intake <1.3 mg/kg/day and no iron supplements. Results: Mean iron intake did not differ between MD (n = 30) and FF (n = 35) groups but was lower in the LI (n = 232) group. The FF group had significantly higher mean Hb at 9 months compared to the MD and LI groups (120 vs. 115 g/L and 120 vs. 116 g/L, respectively, p ≤ 0.005). The MD group had significantly higher mean SF at 9 months compared to the FF and the LI groups (46 vs. 23 μg/L and 46 vs. 26 μg/L, respectively, p < 0.001). Conclusions: Our results suggest that, in healthy, term, nonanaemic 6–9-month-old infants, iron given as medicinal iron drops is primarily deposited into iron stores while iron given as iron-fortified foods is primarily utilized for Hb synthesis.
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- Lagerqvist, Carina, et al.
(författare)
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Antigliadin immunoglobulin A best in finding celiac disease in children younger than 18 months of age
- 2008
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Ingår i: Journal of Pediatric Gastroenterology and Nutrition - JPGN. - 0277-2116 .- 1536-4801. ; 47:4, s. 428-35
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The aim was to investigate age-dependent serum levels and occurrence of elevated celiac disease (CD)-related antibodies in young children, to define the optimal serological procedure when selecting for small intestinal biopsy. PATIENTS AND METHODS: Included were 428 children with biopsy verified CD (median age 16 months; range 7.5 months-14 years) and 216 controls (median age 2.7 years; range 8.5 months-14.6 years). Immunoglobulin (Ig) A antibodies against gliadin (AGA-IgA), tissue transglutaminase (tTG-IgA), and endomysium (EMA-IgA) were analysed. RESULTS: Increased serum AGA-IgA levels were found in 411 of 428 CD cases, tTG-IgA in 385 of 428, and EMA-IgA in 383 of 428. In the control group, 11 of 216 had increased levels of AGA-IgA, 5 of 216 of tTG-IgA, and 8 of 216 of EMA-IgA. In CD children younger than 18 months, elevated AGA-IgA occurred in 97% and elevated tTG-IgA and EMA-IgA were found in 83% of the cases. Conversely, in CD children older than 18 months, elevated AGA-IgA occurred in 94%, and elevated tTG-IgA and EMA-IgA were found in 99% of the cases. CONCLUSIONS: In children older than 18 months, both tTG-IgA and EMA-IgA are sufficiently accurate to be used as a single antibody marker, whereas a large proportion of younger children with CD lack these antibodies. Therefore, when selecting children for small intestinal biopsy, the detection of a combination of AGA-IgA and tTG-IgA is optimal for identifying untreated CD in children younger than 18 months.
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- Li, Xiaonan, et al.
(författare)
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Adiponectin and peroxisome proliferator-activated receptor gamma expression in subcutaneous and omental adipose tissue in children
- 2008
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 97:5, s. 630-5
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Tidskriftsartikel (refereegranskat)abstract
- AIM: To compare the expression levels of the adiponectin and peroxisome proliferator -activated receptor gamma (PPARgamma) genes in subcutaneous adipose tissue (SC) and omental adipose tissue (OM) in children with relation to age and anthropometric variables. METHODS: Paired biopsies (SC and OM) were obtained from 53 children (age 0.2-14 years, BMI 12.5-25.8 kg/m(2)). Adiponectin and PPARgamma mRNA levels in adipose tissue were measured by real-time PCR. RESULTS: In overweight, but not in normal weight children, the median adiponectin mRNA level was significantly lower in OM [0.51 (0.1-2.17)] compared to SC [1.29 (0.16-5.08)], (p = 0.03). Adiponectin mRNA levels were strongly associated with PPARgamma mRNA levels in both SC (r = 0.73, p < 0.001) and OM (r = 0.78, p < 0.001). CONCLUSIONS: The lower adiponectin expression in OM relative to SC in overweight children indicates that metabolic-endocrine alterations begin already in childhood. The close association between adiponectin and PPARgamma expression supports the hypothesis this transcription factor is involved in adiponectin gene regulation.
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