title: [Determination of the serum mannose binding lectin levels in 738 Han ethnic group children].
abstract: OBJECTIVE
  To investigate the distribution of serum mannose binding lectin (MBL) levels in Han ethnic group children.
  
  
  METHODS
  The concentrations of MBL in serum were measured by ELISA in 268 umbilical cord blood specimens from Chongqing, Wuhan and Urumqi as well as in serum of 470 normal children aged from 0 to 6 years and 87 adults in Chongqing.
  
  
  RESULTS
  The distribution of serum MBL levels in children (28 days to 6 years) was abnormal but there was no significant difference in MBL serum levels in subjects of different ages and genders. The median concentration of MBL in serum was significantly lower in newborns (median: 1597 microg/L, range: 884 - 1825 microg/L), cord blood group (median: 1462 microg/L, range: 0 - 4604 microg/L) than in other groups (children group median: 2536 microg/L, range 0 - 7860 microg/L; adult group median: 2920 microg/L, range 98 - 6495 microg/L). While among the other sub-groups aged from 28 days-6 years (28 day group median 2299 microg/L, range 214 - 4195 microg/L; 6 months-group median 2622 microg/L, range 5 - 4637 microg/L; 2 years-6 years group 2585 microg/L, range 198 - 7860 microg/L), there was no statistically significant difference. The median serum MBL level in normal children aged from 28 days to 6 years was 2563 microg/L and the P(2.5)-P(97.5) was 171 - 5079 microg/L.
  
  
  CONCLUSIONS
  The distribution of serum MBL levels in children (28 days to 6 years) was abnormal type but there was no statistically significant difference among different age and sex groups. The reference value of P(2.5)-P(97.5) in children (28 days-6 years) was 171 - 5079 microg/L.
authors.affiliation: Department of Clinical Immunology, Children's Hospital, Chongqing Medical University, China.
authors.forename: Xi
authors.initials: X
authors.lastname: Ou
authors.forename: Qiu
authors.initials: Q
authors.lastname: Li
authors.forename: Mo
authors.initials: M
authors.lastname: Wang
authors.forename: Jia
authors.initials: J
authors.lastname: Chen
authors.forename: Li-jia
authors.initials: LJ
authors.lastname: Wang
authors.forename: Gui-chen
authors.initials: GC
authors.lastname: Zhao
authors.forename: Hong-wei
authors.initials: HW
authors.lastname: Wang
mesh_terms: D000328:Adult; D044466:Asian People; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D037601:Mannose-Binding Lectin / Q000097:blood*; D012016:Reference Values; D012698:Serologic Tests / Q000706:statistics & numerical data*; D055815:Young Adult
chemical_list: D037601:Mannose-Binding Lectin