The effects of CD28 superagonist antibody in rat obliterative airway disease / 中国免疫学杂志
Chinese Journal of Immunology
; (12): 1038-1040,1044, 2009.
Artigo
em Chinês
| WPRIM (Pacífico Ocidental)
| ID: wpr-597541
Biblioteca responsável:
WPRO
ABSTRACT
Objective:
To investigate the effects of superagonistic CD28~- specific monoclonal antibody JJ316 (supCD28 MAb) on preferentially expanded rat CD4~+CD25~+Treg (Treg) cells in vivo and its applicability in obliterative airway disease (OAD).Methods:
The heterotopic tracheal transplantation model in rats was used.One group received mIgG-treatment(0.5 mg/rat) as control.The experimental group was treated with supCD28 Mab(0.5 mg/rat) via intraperitoneal injection on the day of transplantation.The changes of Treg cell population in cervical lymph nodes were monitored by flow cytometry after 7 days.Tracheas were harvested after 21 days for further histologic evaluation.Results:
SupCD28 MAb administration was revealed with a significant increase in the CD4~+CD25~+ T and CD4~+Foxp3~+ T cells population in cervical lymph nodes compared to treatment with mIgG group on day 7 after transplantation,[8.5%±3.4% and 11.5%±2.7% (P<0.05 vs mIgG group)in the supCD28 Mab group,1.8%±1.9% and 3.2%±2.1% in the mIgG group,respectively].Furthermore,the allografts from animals treated with supCD28 MAb were significantly less airway obliteration and destruction of the epithelium compared with that of control group animals on day 21 after transplantation.Conclusion:
SupCD28 MAb targets expansion of Treg cells and attenuates airway lumen obliteration in rat obliterative airway disease.
Texto completo:
Disponível
Base de dados:
WPRIM (Pacífico Ocidental)
Idioma:
Chinês
Revista:
Chinese Journal of Immunology
Ano de publicação:
2009
Tipo de documento:
Artigo