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- Pauksen, Karlis, et al.
(författare)
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Specific T and B cell immunity to measles after allogeneic and autologous bone marrow transplantation
- 1995
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Ingår i: Bone Marrow Transplantation. - 0268-3369 .- 1476-5365. ; 16:6, s. 807-813
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Tidskriftsartikel (refereegranskat)abstract
- Lymphocyte stimulation with measles virus antigen (MLY) and ELISA for measles IgG antibodies were performed on 60 patients after allogeneic bone marrow transplantation (BMT), and on 59 patients after autologous bone marrow transplantation (ABMT). The T cell response was significantly higher in the 75 measles seropositive patients than in the 29 seronegative patients (P < 0.001), but not significantly different from the MLY in the 15 patients with uncertain serologic reactivity. When the patient group was divided according to type of transplant, the T cell response to measles was also significantly higher in seropositive patients than in seronegative patients after both ABMT (P < 0.001) and after BMT (P < 0.05). Twenty-three seronegative children who were measles vaccinated after BMT had a significantly higher T cell response to measles (7100 c.p.m.) than 17 seronegative non-vaccinated children (100 c.p.m.; P < 0.01). No significant difference was seen in the T cell response in 12 seronegative children vaccinated after ABMT (2500 c.p.m.) compared to seven children not vaccinated (2800 c.p.m.; NS). Seroconversion after vaccination was more frequent in children after BMT (20/23; 87%) compared to ABMT (5/12; 42%; P < 0.05) but no significant difference was found in the T cell response. Therefore, most patients who lost IgG antibodies to measles after bone marrow transplantation also lost their T cell response to measles. A T cell response to measles developed in most patients who seroconverted after vaccination. Failure to develop antibodies to measles in ABMT patients after revaccination may depend on a persisting T cell immunity.
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- Lundgren, Ted, 1959, et al.
(författare)
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Retrospective study of children with hypophosphatasia with reference to dental changes.
- 1991
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Ingår i: Scandinavian journal of dental research. - 0029-845X. ; 99:5, s. 357-64
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Tidskriftsartikel (refereegranskat)abstract
- In the present retrospective study different dental and medical parameters have been analyzed in 17 Swedish children with established hypophosphatasia (HP). It was demonstrated that the basis for the establishment of the diagnosis varied among different dentists and physicians, and that the diagnostic parameters studied among the children varied. The most reliable parameters for HP included raised levels of phosphoethanolamine in urine, and clinical and radiologic findings associated with the legs. These findings were found among the children more often than lowered values of alkaline phosphatase in serum. Histologic analysis of an extracted tooth made a valuable diagnostic complement. It is concluded that a better diagnostic uniformity is recommended. In a well functioning collaboration with well defined tasks, both dentists and physicians can contribute to a reliable diagnosis.
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- Timpka, Toomas, 1957-, et al.
(författare)
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A high-precision protocol for identification of preschool children at risk for persisting obesity
- 2007
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Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 2:6
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Tidskriftsartikel (refereegranskat)abstract
- Background: Recent studies suggest that adolescent adiposity is established already in preadolescence. Earlier studies have confirmed a strong tracking of obesity from adolescence to adulthood. Our aim was to examine the diagnostic accuracy of a population-derived protocol for identification of preschool children at risk for obesity in preadolescence. Methodology/Principal Findings: We analysed data obtained for child health surveillance up to age 5 from 5778 children born in a swedish county in 1991. The basic data set included age, sex, and weight and height measurements from the regular checkups between ages 1.5 and 5. Data not routinely collected in the child health centre setting were disregarded. The children were at age 10 randomly assigned to protocol derivation and validation cohorts and assessed for obesity according to IOTF criteria. The accuracy of predicting obesity in the validation cohort was measured using decision precision, specificity, and sensitivity. The decision protocol selected 1.4% of preschool children as being at obesity risk. The precision of the protocol at age 10 was 82% for girls and 80% for boys, and the specificity was 100% for both boys and girls, The sensitivity was higher for girls (41 %) than for boys (21%). The relative risk for obesity at age 10 estimated by the odds ratio for individuals selected by the protocol compared to non-selected peers was 212.6 (95% confidence interval 56.6 to 798.4) for girls and 120.3 (95% Cl 24.5 to 589.91for boys. Conclusion/Significance: A simple and inexpensive decision protocol based on BMI values proved to have high precision and specificity for identification of preschool children at risk for obesity persisting into adolescence, while the sersitivity was low especially for boys. Implementation and further evaluations of the protocol in chlid health centre settings are warranted. © 2007 Timpka et al.
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