Effects of Pollution on Nonspecific Immune Function of the Children Living nearby a Municipal Solid Waste Landfill
- VernacularTitle:某垃圾卫生填埋场对周边儿童非特异性免疫功能的影响
- Author:
Shu GUO
;
Ren YUAN
;
Yunjiang YU
- Publication Type:Journal Article
- Keywords:
Landfill;
Saliva lysozyme;
Secreted immunoglobulin A
- From:
Journal of Environment and Health
2007;0(10):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the effects of pollution on nonspecific immune function of the children living nearby a municipal solid waste landfill.Methods The concentration of lysozyme and SIgA of saliva came from 951 children who were selected from 3 schools nearby the landfill were analyzed by cluster sampling while the outside air pollutants were detected in 2006.The high-exposure group included 360 students living in a radius of less than 2 km from the landfill,the low exposure group was consist of 361 students living in a radius of 2-5 km,the others 230 students living in more than 5 km were taken as the control group.Results The results showed that the pollutants levels were concerned with the location of the landfill,the nearer to the landfill,the higher concentration of CH4,NO2,SO2,NH3,H2S and PM10 except CO.The level of saliva lysozyme ranked as high exposure group,low exposure group and the control group were 61.40,71.37 and 76.10 ?g/ml and the same rank for SIgA were 204.11,224.28,248.44 ?g/ml,with significant differences (P