کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10966899 | 1102798 | 2013 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hepatitis B vaccination of adolescents: Significance of non-protective antibodies
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
ایمنی شناسی و میکروب شناسی
ایمونولوژی
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چکیده انگلیسی
Despite hepatitis B virus (HBV) immunization, a percentage of healthy individuals display an antibody titre below the threshold for clinical protection (10 IU/L). In order to predict the existence of this inducible immunological response, the precise anti-HBs titre required to achieve protection in immunized patients with waned HBs antibodies must first be determined. A total of 4486 vaccinated students attending the University of Padova Medical, Science, and Veterinary School were recruited for study between 2004 and early 2012. The baseline concentration of anti-HBs was measured at enrolment. Participants displaying anti-HBs titre <10 IU/L at the follow-up examination (mean 10.8 years) were given a booster vaccination and retested 20-30 days later. At enrolment, 87.6% of the 4486 vaccinated subjects showed persistence of anti-HBs higher than 10 IU/L. Of the 279 booster-vaccinated subjects, 94.6% achieved the cut-off titre. Booster-induced immunological response was correlated to the pre-booster titre level, with â¥2 IU/L ensuring a robust positive response and less than 2 IU/L being associated with the probability of developing insufficient levels of antibodies. Pre-booster antibody titre higher than 2 IU/L in adults might be predictive of an anamnestic response to booster vaccination, whereas titres below this value may indicate likelihood of non-response.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vaccine - Volume 32, Issue 1, 17 December 2013, Pages 62-68
Journal: Vaccine - Volume 32, Issue 1, 17 December 2013, Pages 62-68
نویسندگان
Federica Chiara, Giovanni Battista Bartolucci, Margherita Cattai, Anna Piazza, Annamaria Nicolli, Alessandra Buja, Andrea Trevisan,