Oral tolerization to adenoviral antigens permits long-term gene expression using recombinant adenoviral vectors.
Oral tolerization to adenoviral antigens permits long-term gene expression using recombinant adenoviral vectors.
复制标题
对腺病毒抗原的口服耐受允许使用重组腺病毒载体进行长期基因表达。
DOI:
10.1172/jci119238
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发表时间:
1997
期刊:
影响因子:
--
通讯作者:
Chowdhury,JR
中科院分区:
文献类型:
--
作者:
Ilan,Y;Prakash,R;Davidson,A;Jona;Droguett,G;Horwitz,MS;Chowdhury,NR;Chowdhury,JR
Recombinant adenoviruses (Ads) efficiently transfer foreign genes into hepatocytes in vivo, but the duration of transgene expression is limited by the host immune response which precludes gene expression upon readministration of the virus. To test if this immune response can be abrogated by oral tolerization, we instilled protein extracts of a recombinant adenovirus type-5 via gastroduodenostomy tubes into bilirubin-UDP-glucuronosyltransferase-1 (BUGT1)-deficient jaundiced Gunn rats. Control rats received BSA. Subsequent intravenous injection 5 x 10(9) pfu of a recombinant adenovirus-expressing human BUGT1 (Ad-hBUGT1) resulted in hepatic expression of human BUGT1 (hBUGT1) with reduction of serum bilirubin levels by 70%. After 2 mo serum bilirubin increased gradually. In orally tolerized rats, but not in controls, a second dose of the virus on day 98 markedly reduced serum bilirubin again. In the tolerized rats, the development of antiadenoviral neutralizing antibodies and cytotoxic lymphocytes were markedly inhibited, and transplantation of their splenocytes into naive Gunn rats adoptively transferred the tolerance, indicating a role for regulatory cells. Lymphocytes from the tolerized rats hyperexpressed TGFbeta1, IL2, and IL4 upon exposure to viral antigens, whereas IFNgamma expression became undetectable. Thus, oral tolerization with adenoviral antigens permits long-term gene expression by repeated injections of recombinant adenoviruses.
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影响因子:
3.7
作者:
J. Maizel;D. O. White;M. Scharff
通讯作者:
M. Scharff
DOI:
--
发表时间:
1995
期刊:
Hospital Practice
影响因子:
--
作者:
H. Weiner
通讯作者:
H. Weiner
影响因子:
3.8
作者:
L. Prevec;Maiko Abel Schneider;Kenneth L. Rosenthal;L. Belbeck;J. Derbyshire;F. L. Graham
通讯作者:
F. L. Graham
影响因子:
4.4
作者:
K. Hirahara;T. Hisatsune;K. Nishijima;H. Kato;O. Shiho;S. Kaminogawa
通讯作者:
S. Kaminogawa
DOI:
--
发表时间:
1995
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Chen,Y;Inobe,J;Weiner,HL
通讯作者:
Weiner,HL