Biomaterial Database

Actively induced experimental allergic orchitis in Lewis-resistant (Le-R) rats: reversibility of disease resistance by immunization with Bordetella pertussis. 1989

C Teuscher, and Z Z Zhou, and Y Zheng, and W F Hickey

Department of Obstetrics and Gynecology, University of Pennsylvania, School of Medicine, Philadelphia 19104.

Differential susceptibility to the induction of experimental allergic orchitis (EAO) was examined in Lewis/NCr and Le-R subline rats. Lewis/NCr rats were found to be fully susceptible to the induction of EAO whereas Le-R subline rats were not. Disease resistance exhibited by Le-R rats could be overcome by including Bordetella pertussis in the immunization protocol. However, reversal of resistance with B. pertussis was dependent on the dose of rat testicular homogenate in the inoculum and found to be effective only at lower doses of antigen (10 mg/rat). Disease resistance in Le-R rats as well as B. pertussis-induced reversal of resistance did not appear to be associated with either (1) a significant difference in the number of mast cells in the ductus efferentes, the anatomic location of the earliest inflammatory infiltrates, or (2) an alteration in the phenotypic expression of either innate or B. pertussis-induced sensitivity to vasoactive amines. The results are discussed in the context of the role of B. pertussis in other animal models of organ-specific autoimmune diseases. It is proposed that the phenotypic expression of resistance to EAO in Le-R rats is a result of a mutation in a common regulatory locus affecting susceptibility to multiple autoimmune diseases and whose immunoregulatory action is normally exerted during the sensitization phase of the immune response.

UI	MeSH Term	Description	Entries
D007114	Immunization	Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow).	Immunologic Stimulation,Immunostimulation,Sensitization, Immunologic,Variolation,Immunologic Sensitization,Immunological Stimulation,Sensitization, Immunological,Stimulation, Immunologic,Immunizations,Immunological Sensitization,Immunological Sensitizations,Immunological Stimulations,Sensitizations, Immunological,Stimulation, Immunological,Stimulations, Immunological,Variolations
D008297	Male		Males
D008407	Mast Cells	Granulated cells that are found in almost all tissues, most abundantly in the skin and the gastrointestinal tract. Like the BASOPHILS, mast cells contain large amounts of HISTAMINE and HEPARIN. Unlike basophils, mast cells normally remain in the tissues and do not circulate in the blood. Mast cells, derived from the bone marrow stem cells, are regulated by the STEM CELL FACTOR.	Basophils, Tissue,Basophil, Tissue,Cell, Mast,Cells, Mast,Mast Cell,Tissue Basophil,Tissue Basophils
D009154	Mutation	Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.	Mutations
D009920	Orchitis	Inflammation of a TESTIS. It has many features of EPIDIDYMITIS, such as swollen SCROTUM; PAIN; PYURIA; and FEVER. It is usually related to infections in the URINARY TRACT, which likely spread to the EPIDIDYMIS and then the TESTIS through either the VAS DEFERENS or the lymphatics of the SPERMATIC CORD.	Orchitides
D011917	Rats, Inbred Lew	An inbred strain of rat that is used in BIOMEDICAL RESEARCH.	Rats, Inbred Lewis,Rats, Lew,Inbred Lew Rat,Inbred Lew Rats,Inbred Lewis Rats,Lew Rat,Lew Rat, Inbred,Lew Rats,Lew Rats, Inbred,Lewis Rats, Inbred,Rat, Inbred Lew,Rat, Lew
D001886	Bordetella pertussis	A species of gram-negative, aerobic bacteria that is the causative agent of WHOOPING COUGH. Its cells are minute coccobacilli that are surrounded by a slime sheath.	Bacterium tussis-convulsivae,Haemophilus pertussis,Hemophilus pertussis
D004681	Encephalomyelitis, Autoimmune, Experimental	An experimental animal model for central nervous system demyelinating disease. Inoculation with a white matter emulsion combined with FREUND'S ADJUVANT, myelin basic protein, or purified central myelin triggers a T cell-mediated immune response directed towards central myelin. The pathologic features are similar to MULTIPLE SCLEROSIS, including perivascular and periventricular foci of inflammation and demyelination. Subpial demyelination underlying meningeal infiltrations also occurs, which is also a feature of ENCEPHALOMYELITIS, ACUTE DISSEMINATED. Passive immunization with T-cells from an afflicted animal to a normal animal also induces this condition. (From Immunol Res 1998;17(1-2):217-27; Raine CS, Textbook of Neuropathology, 2nd ed, p604-5)	Autoimmune Encephalomyelitis, Experimental,Encephalomyelitis, Allergic,Encephalomyelitis, Experimental Autoimmune,Allergic Encephalomyelitis,Allergic Encephalomyelitis, Experimental,Autoimmune Experimental Encephalomyelitis,Experimental Allergic Encephalomyelitis,Experimental Autoimmune Encephalomyelitis,Encephalomyelitis, Autoimmune Experimental,Encephalomyelitis, Experimental Allergic,Experimental Allergic Encephalomyelitides,Experimental Encephalomyelitis, Autoimmune
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D001327	Autoimmune Diseases	Disorders that are characterized by the production of antibodies that react with host tissues or immune effector cells that are autoreactive to endogenous peptides.	Autoimmune Disease,Disease, Autoimmune,Diseases, Autoimmune