In vivo and in vitro humoral immunity in surgical patients. 1984

C W Nohr, and N V Christou, and H Rode, and J Gordon, and J L Meakins

In vivo and in vitro humoral immunity was studied in surgical patients. Laboratory controls (LC), delayed type hypersensitivity (DTH) skin test reactive (HR), and anergic (HA) patients were immunized with tetanus toxoid. Maximum in vivo antibody levels occurred 14 days after immunization. Eighty-six, 47, and 17% of LC, HR, and HA subjects, respectively, showed a positive response (X2(2) = 21.1 with Yates, p less than 0.0005). Peak in vitro antibody production in unstimulated lymphocyte cultures occurred at day 6 after immunization. Antibody responses in vitro were reduced in all surgical patients, worst in HA, and correlated quantitatively with in vivo antibody responses at day 14 (Spearman rank correlation = 0.794, p less than 0.001). Total IgG production in vitro was not decreased; 595, 1080, and 1538 ng IgG/culture were produced by LC, HR, and HA, respectively. These data demonstrate decreased in vivo and in vitro humoral immunity in all surgical patients, worst in those with decreased DTH responses. There is a kinetic and quantitative correlation between in vivo and in vitro responses, the latter being a biologic reflection of the integrity and magnitude of the in vivo process. Finally, failure to produce specific antibody is not due to failure of total IgG synthesis.

UI MeSH Term Description Entries
D006968 Hypersensitivity, Delayed An increased reactivity to specific antigens mediated not by antibodies but by sensitized T CELLS. Hypersensitivity, Tuberculin-Type,Hypersensitivity, Type IV,Tuberculin-Type Hypersensitivity,Type IV Hypersensitivity,Delayed Hypersensitivity,Delayed Hypersensitivities,Hypersensitivity, Tuberculin Type,Tuberculin Type Hypersensitivity,Tuberculin-Type Hypersensitivities,Type IV Hypersensitivities
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D007108 Immune Tolerance The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc. Immunosuppression (Physiology),Immunosuppressions (Physiology),Tolerance, Immune
D011184 Postoperative Period The period following a surgical operation. Period, Postoperative,Periods, Postoperative,Postoperative Periods
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D000917 Antibody Formation The production of ANTIBODIES by proliferating and differentiated B-LYMPHOCYTES under stimulation by ANTIGENS. Antibody Production,Antibody Response,Antibody Responses,Formation, Antibody,Production, Antibody,Response, Antibody,Responses, Antibody
D013514 Surgical Procedures, Operative Operations carried out for the correction of deformities and defects, repair of injuries, and diagnosis and cure of certain diseases. (Taber, 18th ed.). Surgical Procedures,Ghost Surgery,Operative Procedures,Operative Surgical Procedure,Operative Surgical Procedures,Procedure, Operative Surgical,Procedures, Operative Surgical,Surgery, Ghost,Surgical Procedure, Operative,Operative Procedure,Procedure, Operative,Procedure, Surgical,Procedures, Operative,Procedures, Surgical,Surgical Procedure
D013745 Tetanus Toxoid Tetanus Vaccine,Toxoid, Tetanus,Vaccine, Tetanus
D066298 In Vitro Techniques Methods to study reactions or processes taking place in an artificial environment outside the living organism. In Vitro Test,In Vitro Testing,In Vitro Tests,In Vitro as Topic,In Vitro,In Vitro Technique,In Vitro Testings,Technique, In Vitro,Techniques, In Vitro,Test, In Vitro,Testing, In Vitro,Testings, In Vitro,Tests, In Vitro,Vitro Testing, In

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