نتایج جستجو برای: antibody formation
تعداد نتایج: 678265 فیلتر نتایج به سال:
Conclusions Use of the drug tunicamycin has greatly facilitated study of many different aspects of immunoglobulin biosynthesis. The most striking conclusion is that blocking glycosylation does not prevent synthesis of immunoglobulin heavy chains either directly or by feedback; non-glycosylated heavy chains are able to assemble into immunoglobulin molecules capable of being secreted. Since glyco...
Effects of vaccine route and dosage on protection from rabies after intracerebral challenge in mice.
OBJECTIVE To evaluate the effect of various routes of administration and number of doses of 3 commercially produced rabies vaccines on serum antibody responses and protection in mice challenged by intracerebral injection with fixed-strain rabies virus. ANIMALS 2,213 mice. PROCEDURE Inactivated, adjuvanted rabies vaccines were administered to mice in either 2, 1, or 0 (control) doses via IP,...
Naturally induced auto-anti-idiotypic (AAI) antibody responses specific for antimicrococcal antibody idiotypes were detected in 42% of the rabbits in a family immunized with Micrococcus lysodeikticus. The natural AAI response of each rabbit recognized only a portion (11-41%) of that individual's total antimicrococcal antibody population. Cross-reactions of idiotypes were observed within the gro...
Comparative immunostimulatory properties of saponin and incomplete Freund's adjuvant (IFA) were studied using affinity purified 39 kDa larval antigen of Hyalomma anatolicum anatolicum. Significant antibody response to 39 kDa antigen was detected in the sera of rabbits immunized with both 39 kDa plus saponin and 39 kDa plus IFA in comparison to their corresponding control animals. Insignificant ...
The antibody responses elicited by immunization of humans with vaccinia virus (VACV) strains Lister, Dryvax and NYVAC have been determined and compared. Neutralizing antibodies against intracellular mature virus (IMV) and extracellular enveloped virus (EEV), and binding antibody titres (ELISA) against the EEV protein B5, the IMV proteins A27 and H3, and VACV-infected cell lysate were measured. ...
Lymph node cells capable of either primary or secondary antibody responses following transfer to adult normal or x-radiated homologous recipients make no response following transfer to neonatal homologous recipients. On the basis of the present observations it seems that the environment provided by the neonatal recipient is unsuitable for the immunologic activities of transferred cells in the e...
Resurgence is a major concern after malaria elimination. After the initiation of the elimination program on Aneityum Island in 1991, microscopy showed that Plasmodium falciparum disappeared immediately, whereas P. vivax disappeared from 1996 onward, until P. vivax cases were reported in January 2002. By conducting malariometric surveys of the entire population of Aneityum, we investigated the a...
The association between seropositivity to virus-like particles (VLP) of human papillomavirus (HPV) types 16, 18, 31, 35, or 45 and subsequent cervical HPV infection was examined in 829 women with HIV and 413 risk-matched HIV-negative women. We found no statistically significant differences between HPV-seropositive and HPV-seronegative women in the risk of a new infection with the homologous HPV...
Cyclophosphamide significantly diminished the canine humoral antibody response to sheep red blood cells and tended to prevent arterial lesions in renal homografts. However, cyclophosphamide failed to prolong renal homograft survival when administered to dogs as the sole immunosuppressive agent, and it did not add to the effectiveness of azathioprine when given as a supplement to the azathioprin...
Although antibody responses to the human rotavirus VP4 protein have been reported, few studies have analyzed the specificity of these responses to the VP8* subunit. This study investigated antibody responses generated against the variable region of the VP4 protein (VP8* subunit) in children infected with rotavirus genotype P[8]. Recombinant VP8* subunit (rVP8*) and truncations corresponding aa ...
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