| humoral and cellular immune responses of atopic individuals in a tropical environment. | in this study we compared immediate, intermediate and delayed skin test reactivity, total and specific serum ige, igg, a, m antibody and lymphocyte proliferative responses, between atopic and normal individuals in the tropical environment of caracas, venezuela (lat. 10 degrees n). the allergenic extracts tested were prepared from house dust, mixed moulds and aspergillus fumigatus. in lymphocyte stimulation the mitogen concanavalin a was also employed, the cultures being supplemented with either ... | 1983 | 6348297 |
| total serum ige levels in venezuelan schoolchildren. | seventy-eight disease-free children were evaluated by prist for total serum ige in order to establish the normal range for this immunoglobulin and assess its utility, in tropical climates, such as venezuela, as a diagnostic tool for clinical allergy. seventy-eight normals were selected from a group of 1053 children, aged 7-12 years from fourteen schools in caracas. exclusion from the normal pool was based on nationality, and on historical, clinical, and/or laboratory evidence of atopic and/or in ... | 1983 | 6640887 |