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  • 1
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Peptides corresponding to the carboxyl terminal sequence of HCG -subunit are denoted here as sl2, s30, s35 and t23 (refs 1, 8, 9). The numbers indicate the number of residues in the peptide (counting back from residue 145, the carboxyl terminal glutamine); s denotes synthetic and t denotes ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 36 (1992), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The successful development of an anti-fertility vaccine necessitates overcoming obstacles in eliciting an immune response to self species body constituents. The feasibility of accomplishing this task has been demonstrated for certain antigens described in this workshop: however, additional vaccine candidate antigens may yet be revealed from the application of recent advances in molecular biology. Improvements in vaccine design are likely to occur from discovery of more appropriate epitopes on targeting antigens, new carrier molecules for lerminating immunological tolerance, expression of vaccine antigens in suitable live vectors, the co-immunization with more than one antigen, the use of safer and/or more effective adjuvants and vehicles, more efficient immunization by targeting antigens to specific lymphoid cells, and the development of superior vaccine delivery systems. Research directed to restricting the immune response to the gential tract and to intentionally reverse the effects of immunization will likely be pursued in the future.All of these areas need to be addressed if vaccines are to be developed that are not only safe and effective but also highly acceptable as birth control methods.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Nucleotide sequence analysis of selected regions of the gag, pol, env and pX genes of simian T-cell lymphotropic virus type I (STLV-I) strains indicated that African isolates were more closely related to human T-cell lymphotropic virus type I (HTLV-I) than Asian isolates. Despite these recent comparative studies on nucleotide sequence homology between HTLV-I and STLV-I isolates, only limited information is available regarding the influence of genetic differences on antigen-antibody recognition of distinct STLV-I strains. In this study, we demonstrated that sera from STLV-I-infected yellow baboons (Papio cynocephalus) reacted strongly with env gp62/68 from HTLV-I-infected cell lines MT-2 and C10/MJ. In contrast, sera from Japanese macaques (Macaca fuscata) naturally infected with Asian STLV-I had weak reactivity to env gp62/68 of these prototypic HTLV-I strains. Pst-1 restriction enzyme analysis of proviral DNA indicated that the baboon virus isolates were more closely related to HTLV-I than the Japanese isolates. These results indicate that nucleotide sequence diversity, correlates with variations in proviral restriction enzyme sites and antibody recognition of viral envelope proteins. These differences in immunoreactivity may have important implications for serologic diagnosis, as well as epidemiological and vaccine studies of STLV-I infection.
    Type of Medium: Electronic Resource
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