Document Detail


Natalizumab treatment during pregnancy - effects on the neonatal immune system.
MedLine Citation:
PMID:  22950358     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Pregnancies in women with severe relapsing-remitting multiple sclerosis treated with natalizumab constitute a major challenge, because withdrawal of the drug may cause relapses but continuation might have unknown effects on the infantile immune system. AIMS OF THE STUDY: To identify the impact of maternal natalizumab treatment during pregnancy on basic immune functions of the newborn. METHODS: Basic immunological testing and assessment of the chemotaxis rate of freshly isolated T lymphocytes in the presence and absence of CXCL12 was performed in two neonates, whose mothers were treated with natalizumab until the 34th week of pregnancy (pw). RESULTS: Both children had an uneventful birth. However, a reduction in the CXCL12-induced T-cell chemotaxis was found in both children. In contrast, the chemotaxis rate of unstimulated T lymphocyres was not altered. The distribution of the lymphocyte subpopulations was investigated only in case 1 and was normal. CONCLUSIONS: Here, we present to our knowledge the first assessment of T lymphocytes chemotaxis rate in two natalizumab-exposed newborns. A significant reduction in the CXCL12-induced chemotaxis rate of T lymphocytes has been observed and may compromise host defence function in early life. More clinical and immunological data on natalizumab-exposed neonates are warranted.
Authors:
H Schneider; C E Weber; K Hellwig; H Schroten; T Tenenbaum
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-5
Journal Detail:
Title:  Acta neurologica Scandinavica     Volume:  -     ISSN:  1600-0404     ISO Abbreviation:  Acta Neurol. Scand.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370336     Medline TA:  Acta Neurol Scand     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 John Wiley & Sons A/S.
Affiliation:
Paediatric Infectious Diseases, University Children's Hospital Mannheim, Heidelberg University, Mannheim, Germany.
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