Ab~tr~&--STOREY N., BEHNKE J. M. and WAKELEN D. 1989. ~c~t~uchejlo~rna viteae (~j~etalone~a viteae) in mice: attempts to correct the low responder phenotype of the BALB/c host. internurionai Journal for Parasitology 19: 723-727. Attempts were made to correct the low responder phenotype of microfilaraemic Acanthocheifonema viteue (Dipetalonemu viteae) infected BALB/c mice through the transfer of...

The possibility that preexisting specific serum antibody could suppress a defined mucosal immune response to a topically applied antigen was studied in rats. Hyperimmune serum antibody induced by parenteral immunization of rats with cholera toxoid markedly suppressed the mucosal immune response to enterically applied cholera toxin. Such antibody was far more suppressive than antibody induced by...

The immune mechanism by which hamsters acquire resistance to infection with Treponema pertenue, the causative agent of frambesia, or yaws, has not been elucidated. Serum or cells (spleen or lymph node) obtained from hamsters resistant to frambesial infection were transferred to normal syngenic recipients, who are subsequently infected with T. pertenue. The following parameters were used to meas...

Neisseria gonorrhoeae isolated from patients with disseminated infection (DGI) often resist complement (C')-dependent killing by normal human serum (NHS) and less commonly by convalescent DGI serum. 7 of 10 NHS specimens completely inhibited killing of serum-resistant (ser(r)) gonococci by convalescent or immune DGI serum. Immunoglobulin G (IgG) purified from NHS was shown to be the blocking ag...

background the fas receptor/ligand system including soluble forms is the most important apoptotic initiator in the liver. dysregulation of this pathway may contribute to abnormal cell proliferation and cell death and is regarded as one of the mechanisms preventing the immune system from rejecting the tumor cells. objectives to analyze the role of fas system fas/ fas ligand (fas/ fasl) in the mu...

An in vitro histamine release assay was used to test the hypothesis that passive sensitization of circulating basophils is associated with the activity of immune serum that transfer the ability to elicit cutaneous basophil hypersensitivity (CBH) reactions. Systemic i.v. transfer of several types of immune sera that mediate CBH also led to passive sensitization of circulating basophils for antig...

The success of many vaccines relies on their association with selected adjuvants in order to increase their immunogenicity and ensure long-term protection. Propolis is a natural compounds, are mostly known for their immunostimulatory  properties. In this study the adjuvant effects of propolis in combination with formalin-killed A. hydrophila vaccine in Common carp (Cyprinus carpio) were evaluat...