نتایج جستجو برای: cellular and humoral responses
تعداد نتایج: 16896584 فیلتر نتایج به سال:
Abstract Coronaviruses have caused three deadly human outbreaks over the last 20 years, latest causing COVID-19 pandemic which has now lasted years. The animal reservoir of coronaviruses is extensive, and history shown that are able to crossover from animals humans. Thus, there a clear need for universal coronavirus vaccine. In this study, we produced S1 subunits spike proteins six different fu...
BACKGROUND Adenovirus serotype 26 (Ad26) has been developed as a novel candidate vaccine vector for human immunodeficiency virus type 1 (HIV-1) and other pathogens. The primary safety and immunogenicity data from the Integrated Preclinical/Clinical AIDS Vaccine Development Program (IPCAVD) 001 trial, the first-in-human evaluation of a prototype Ad26 vector-based vaccine expressing clade A HIV-1...
BACKGROUND Oral administration of BCG was the route initially used by Calmette and Guérin, but was replaced by intradermal administration in virtually all countries after the Lubeck accident. However, Brazil continued to administer oral BCG Moreau RDJ, which was maintained until the mid-1970s when it was substituted by the intradermal route. Although BCG vaccination has been used in humans sinc...
objective: the immunomodulatory effect of geranial, geranial acetate, gingerol, and eugenol essential oils were evaluated by studying humoral and cell-mediated immune responses. materials and method: the essential oils were evaluated for immunomodulatory activity in in vivo studies, using rats as the animal model. the essential oils were tested for hypersensitivity and hemagglutination reaction...
Q fever is a zoonosis caused by the intracellular bacterium Coxiella burnetii. Both humoral and cellular immunity are important in the host defence against intracellular bacteria. Little is known about the immune response to C. burnetii infections in domestic ruminants even though these species are the major source of Q fever in humans. To investigate the goat's immune response we inoculated gr...
Background and Aim: Adenoids and tonsils are active lymphoid organs and playing an important role against invading antigens of upper aero digestive tract in children. The purpose of this study is observing the changes in cellular and humoral immunity of children six months after adenotonsillectomy. Materials and Methods: The study population consisted of 30 children (aged 4-10 years) with chron...
Rabbits immunized against lens extracts from various other (xenogeneic) species reacted well with the immunizing lens extracts by immunological assays measuring either humoral or cellular immune responses. A dissociation was observed, however, between the humoral and cellular immune responses when lenses from rabbit (allogeneic) or from nonimmunizing species were tested. Antibodies from these r...
Neuromyelitis optica (NMO) is an inflammatory and demyelinating syndrome characterized by severe attacks of myelitis and optic neuritis. A crucial role for humoral immunity in the NMO pathogenesis has been suggested by the detection of a highly specific serum autoantibody NMO immunoglobulin G that binds to aquaporin-4 (AQP4) water channels, and the pronounced deposition of immunoglobulins coloc...
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