147 resultados para IMMUNOGLOBULIN


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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Medicina Veterinária - FCAV

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Adhesion and colonization of the oral cavity by Candida albicans is an initial step in candidosis. Orthodontic and other oral appliances seem to favor candidal presence. The aim of this work was to compare the presence of Candida species in saliva, their adherence to oral epithelial cells, and the levels of anti-C. albicans IgA in children with or without orthodontic appliances. This study included 30 children 5 to 12 years old (9.1 ± 1.7 years old) who were users of removable orthodontic devices for at least 6 months and 30 control children of similar ages (7.7 ± 1.5 years old). The presence of yeast species in the saliva was evaluated by microbiological methods. Candida species were identified using phenotypic methods. Anti-C. albicans IgA levels in saliva were analyzed by ELISA. The yeasts adhering to oral epithelial cells were assessed by exfoliative cytology. No statistically significant differences were observed for saliva yeast counts and anti-C. albicans IgA levels between the studied groups. Children with orthodontic devices exhibited more yeast cells adhering to oral epithelial cells and a higher percentage of non-albicans species relative to the control group. In conclusion, orthodontic appliances may favor the adherence of Candida to epithelial cells but do not influence the presence of these yeasts in saliva, and the levels of anti-C. albicans IgA do not correlate with yeast adherence or presence of Candida in the oral cavity

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Introduction: Autohemotherapy is a type of treatment that have acquired an opposite role and have presented its efficiency strived by the medical community for many reasons. In this study we aimed to evaluate the effects of authohaemotherapy on hematological response. Method: We used Wistar female rats (300g). The study consisted in a control group and a treatment group, blood samples were collected at the first day and at the eighth day after the application. In the both groups we collected 300 μl of blood from each rat through a syringe with a previously prepared solution of 30 μl of sodium citrate 3.2%. In the autohemotherapy group the blood sample was immediately injected in the quadriceps muscle on the back of the thigh hind limb. Rats from the control group did not receive intramuscular blood application. The cellular count was done through flow cytometry and the samples were dosed for immunoglobulin. Results: In the both groups we observed increased production of erytrocites, hemoglobin and platelet (p<0.05). However, there was reduction of basophil in the control group and reduction of lymphocyte, monocyte and neutrophil in the both groups. No effects were observed in IgA, IgG and IgM levels. Conclusion: Autohemotherapy did not influence hematological responses in Wistar female rats.

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Equine neonatal isoerythrolysis is a neonatal foals’ illness. Results from the incompatibility of blood type between the foal and the mare and mediated by maternal antibody absorbed by the colostrum against foal’s red blood cells. Characterized by a type ll hypersensitivity reaction, where the exhibition of the organism to a strange antigen, that it takes the sensitization of the lymphocytes B that after the removal of the antigens by the reticule-endothelial system the production of immunoglobulin is decreased, with the formation of cellular immunological will cause the occurrence of the illness in foal of sensitized mares. The most important clinical signs are severe anemia and jaundice, and this illness should be differentiated of other as: hemolysis induced by bacterial toxins, diseases of the hepatobiliary system, disseminated intravascular coagulation and incompatibility in blood transfusions. Like the sensitization happens during the previous incompatible foal’s birth, most cases occur in foals of multiparous mares. However during the first pregnancy the mare can generate a foal with neonatal 7 isoerythrolysis if she have developed placental anomaly in the beginning of the pregnancy which blood cells in her circulation