Abstract:
:The iscom is a delivery system, designed for both parenteral and mucosal modes of administration, for both antigens and adjuvants, components which are interchangeable. By the parenteral route a prominent systemic Th1 type of response is evoked, but the mucosal immunoglobulin A (IgA) response was insignificant. Intranasal (i.n.) immunization with iscoms evoked potent mucosal IgA response and serum IgG which was much higher than that induced by i.n. administration of the B subunit of cholera toxin (rCTB), both to rCTB itself as well as to co-administered antigen. The immunomodulatory effect on rCTB or co-administered antigens imposed by the iscom was demonstrated by a potent mucosal IgA switch and an enhanced IgG2a serum response. The incorporation of a targeting molecule in the iscom enhanced the remote IgA response in the genital tract mucosa. The capacity to induce CD8-restricted cytotoxic T lymphocytes (CTL) is unique for the iscom as a nonreplicating system, which is facilitated by the delivery of antigens to the cytosol. The immunomodulatory capacity of iscoms also paved the way to override the inhibitory effect of maternally derived antibodies and the relative unresponsiveness of an immature neonatal immune system.
journal_name
Immunol Cell Bioljournal_title
Immunology and cell biologyauthors
Morein F,Bengtsson KLdoi
10.1046/j.1440-1711.1998.00756.xsubject
Has Abstractpub_date
1998-08-01 00:00:00pages
295-9issue
4eissn
0818-9641issn
1440-1711journal_volume
76pub_type
杂志文章,评审abstract::The possible role and influence of tumour necrosis factor-alpha (TNF-alpha) in the human mixed lymphocyte culture (MLC) reaction was investigated. Polyclonal rabbit sera to recombinant human-TNF-alpha (rhTNF-alpha) consistently inhibited the MLC, and this could be reversed by simultaneous addition of rhTNF-alpha to th...
journal_title:Immunology and cell biology
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pub_type: 临床试验,杂志文章,多中心研究
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