(1) The tetanus antitoxin titers of blood obtained by venepuncture and those of finger-blood absorbed on filter paper are compared when the titration techniques use fresh or formalinized erythrocytes sensitized by the bis-diazotized benzidine (BDB) method.
(2) The polyvalent antiserum administered contained A, B and E antitoxins.
(3) In both cases in the antitoxin excreted with urine represented monovalent.
(4) A sample of 643 healthy subjects from central Italy aged 20 to 80, were screened for diphtheria antitoxin.
(5) A cohort of close to 70 children born in 1967-68 was followed for estimations of serum antitoxin levels against diphtheria.
(6) Similarly, 74-82% of children 3 months-7 years had tetanus antitoxin levels high enough to avoid infection, as did 80-90% of older children.
(7) Neutralizing antibodies to pertussis toxin (antitoxin) were determined in 201 blood samples from 4-year-old children.
(8) A 5th isolate produced increased amounts of cytotoxin (SLT+) that was not neutralized by the Shiga antitoxin, but was neutralized by antitoxin against a variant of SLT (toxin designated as SLT-II).
(9) Serotherapy with C. botulinum type A antitoxin initiated 24 h postchallenge reduced the mortality rate to 5%.
(10) The lower levels of PHA antibody in sera from 11 of 17 controls suggested the acquisition of antitoxin secondary to asymptomatic infection.
(11) These might represent antitoxins bound bivalently to the solid phase but with affinities in monovalent binding insufficient for toxin neutralization or other coupled antibodies due to conformational changes of the antigen.
(12) Express immunization with the toxoid led to a marked increase in the level of staphylococcus antitoxin and also of the IgA, IgG, IgM in the sera of the vaccinated persons.
(13) Transitory neurological deterioration occurred in 38% of patients despite the early administration of trivalent (ABE) equine antitoxin.
(14) Cholera antitoxin, anti-choleragenoid and anti-LT were used as antisera.
(15) Serum samples from 727 persons with different vaccination histories were assessed for tetanus antitoxin content in an enzyme linked immunosorbent assay (ELISA) and tested for tetanus toxin neutralization activity in mice in order to compare the results obtained by the two methods.
(16) Four children with detectable antitoxin (greater than or equal to 5 units) before the first vaccination had pronounced antibody increases after the first dose.
(17) Antitoxin of IgG class was detected in 10 days, and increased gradually.
(18) perfringens filtrates but assays for antitoxin based on the use of cultures of Vero cells were practicable for Cl.
(19) Of the studied population 26.7% showed a lack of serum antitoxin titres considered to be protective.
(20) Diphtheria antitoxin level in serum samples obtained from 204 healthy children aged 11-14 years was determined by means of an indirect haemagglutination technique and related to the vaccinal history of the subjects.
Immunity
Definition:
(a.) Freedom or exemption from any charge, duty, obligation, office, tax, imposition, penalty, or service; a particular privilege; as, the immunities of the free cities of Germany; the immunities of the clergy.
(a.) Freedom; exemption; as, immunity from error.
Example Sentences:
(1) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
(2) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
(3) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
(4) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
(5) In addition, this pretreatment protocol did not modify the recipient immune response against B-lymphocyte alloantigens which developed in unsuccessful transplants.
(6) within 12 h of birth followed by similar injections every day for 10 consecutive days and then every second day for a further 8 weeks, with mycoplasma broth medium (tolerogen), to induce immune tolerance.
(7) The nuclear origin of the Ha antigen was confirmed by the speckled nuclear immunofluorescence staining pattern given by purified antibody to Ha obtained from a specific immune precipitate.
(8) We determined whether serological investigations can assist to distinguish between chronic idiopathic autoimmune thrombocytopenia (cAITP) and immune-mediated thrombocytopenia in patients at risk to develop systemic lupus erythematosus (SLE); 82 patients were seen in this institution for the evaluation of immune thrombocytopenia.
(9) We postulate that FAA may affect the human peripheral and mucosal immune system.
(10) Attempts are now being made to use this increased understanding to produce effective killed vaccines that produce immune responses in the lung.
(11) These data indicate that RNA faithfully transfers "suppressive" as well as "positive" types of immune responses that have been reported previously for lymphocytes obtained directly from tumour-bearing and tumour-immune animals.
(12) Reactive metabolites which suppress splenic humoral immune responses are thought to be generated within the spleen rather than in distant tissues.
(13) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
(14) These same molecules may be equally responsible for the pathologic characteristics of the immune response seen, for example, in inflammatory bowel diseases.
(15) The literature on depression and immunity is reviewed and the clinical implications of our findings are discussed.
(16) These results suggest that CD4+ protective T cells generated by immunization with vBCG are characterized by the ability to produce IFN-gamma after stimulation with specific Ag.
(17) All of the rabbits immunized with FCA developed sterile subcutaneous abscesses.
(18) We conclude that both exogenously applied PAF by inhalation and antigen exposure are capable of inducing LAR in sensitized guinea pigs, and thus the priming effect of immunization and PAF may contribute to the development of LAR observed in asthma.
(19) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
(20) Our results on humoral and cellular components of immunity in dependence of age, according to SENIEUR protocol admission criteria are presented.