Objective: To detect estrogen receptor α and β(ER-α, ER-β)protein expression in different age of mouse thymus.Methods:Protein expression of ER-α and ER-β in thymus was analyzed via immunohistochemistry.Moreover,the relationship between ER-α and cytokeratin 18(epithelial cell marker)was further tested through fluorescence double-staining.Results: Immunohistochemical analysis revealed that both ER-α and β protein was found in nuclei of some thymocytes of 3 month mice.However,expression of ER-β was absence while ER-α was still positive in aged mice, such as 12 months and 16 months old.Double staining further confirmed that lots of ER-α/β positive cells were Foxp3 negative cells.Conclusion: Expression of ER-β is absent while ER-α is still positive in thymus of aged mice, which indicates ER-α is the critical estrogen receptor that involves in thymic involution.Moreover, ER-α/β do not participate in Treg development within thymus.

Objective:To detect estrogen receptor ? and ?(ER-?,ER-?) protein expression in different age of mouse thymus.Methods:Protein expression of ER-? and ER-? in thymus was analyzed via immunohistochemistry.Moreover,the relationship between ER-? and cytokeratin 18(epithelial cell marker) was further tested through fluorescence double-staining.Results:Immunohistochemical analysis revealed that both ER-? and ? protein was found in nuclei of some thymocytes of 3 month mice.However,expression of ER-? was absence while ER-? was still positive in aged mice,such as 12 months and 16 months old.Double staining further confirmed that lots of ER-?/? positive cells were Foxp3 negative cells.Conclusion:Expression of ER-? is absent while ER-? is still positive in thymus of aged mice,which indicates ER-? is the critical estrogen receptor that involves in thymic involution.Moreover,ER-?/? do not participate in Treg development within thymus.

Objective To evaluate the effect of cinobufotalin and chemotherapeutic agents by transcatheter arterial with oilychemoembolization(TACE) in the treatment of primary liver cancer.Methods 144 patients with HCC proved histopathologically were divided into 2 groups.76 of them(group A) were treated by transcatheter arterial infusion(TAI) with cinobufotalin 100 ml,DDP and 5-FU,then embolism with iodized oil mixed ADM;while the other 68 patients(group B) were treated by TAI with DDP and 5-FU,then embolism with iodized oil mixed ADM.The serum T lymphocytes,HBV DNA,AFP and CT scan were acquired before and after treatment.Results The effective rate(PR+MR) of group A was 86.64%,the lymphocyte transformation rate(LTT),T lymphocytes CD_3~+,CD_4~+proportion and CD_4~+/CD_8~+ratio markedly increased;HBV DNA descended in 21 cases,unchanged in 46 cases,and elevated in 9 cases;1 and 2 year survival rate was 86.84%(66/76)and71.05%(54/76) respectively.The effective rate(PR+MR) of group B was 72.73%,LTT,T lymphocytesCD_3~+,CD_4~+proportion and CD_4~+/CD_8~+ratio markedly descended;HBV DNA descended in 2 cases,unchanged in 20 cases and elevated in 46 cases;1 and 2 year survival rate was 72.73%(48/68) and 54.41%(37/68) respectively.There were significant statistical differences between the two groups(P