title: [Preparation of chicken egg yolk antibody against Candida albicans and effect of temperature on its titer].
abstract: OBJECTIVE
  To prepare chicken egg yolk antibody (IgY) against Candida albicans and to study its biological properties in the interest of its further application.
  
  
  METHODS
  Ten 25 weeks old laying hens were immunized with Candida albicans. IgY was isolated from the yolks of eggs by the water dilution (WD) method. Its yield, purity, and molecular weight were measured by Bradford method and Tris-tricine gel electrophoresis, respectively. The antigenicity of IgY was determined with Western blot method. The specific combination of IgY and Candida albicans was assayed with immunohistochemistry method. The activity of IgY was evaluated by enzyme-linked immunosorbent assay (ELISA).
  
  
  RESULTS
  The yield and purity of IgY were 7.9 g/L and 91.5%, respectively. It had the same molecular weight and antigenicity in comparison with IgY of chicken serum and normal chicken IgY. It could specifically combine with Candida albicans. Its titer was 1:12,000.
  
  
  CONCLUSIONS
  The production and purity of IgY were high. Its titer was good and did not decrease under a body temperature condition after 48 h. The IgY antibody had a combination capacity of specificity for Candida albicans in vitro.
authors.affiliation: Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China.
authors.forename: Bin
authors.initials: B
authors.lastname: Fan
authors.forename: Li-guo
authors.initials: LG
authors.lastname: Liu
authors.forename: Xu-liang
authors.initials: XL
authors.lastname: Deng
authors.forename: Hui-jun
authors.initials: HJ
authors.lastname: Lu
authors.forename: Xiao-yang
authors.initials: XY
authors.lastname: Hu
authors.forename: Xin-zhi
authors.initials: XZ
authors.lastname: Wang
mesh_terms: D000818:Animals; D000908:Antibodies, Fungal / Q000276:immunology* / Q000302:isolation & purification; D000918:Antibody Specificity; D015153:Blotting, Western; D002176:Candida albicans / Q000276:immunology*; D002645:Chickens; D004530:Egg Yolk / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D007136:Immunoglobulins / Q000276:immunology* / Q000302:isolation & purification; D007150:Immunohistochemistry; D013696:Temperature
chemical_list: D000908:Antibodies, Fungal; C016512:IgY; D007136:Immunoglobulins