Measles vaccination and antibody response in autism spectrum disorders (original) (raw)
Measles vaccination and antibody response in autism spectrum disorders
- G Baird1,
- A Pickles2,
- E Simonoff3,
- T Charman4,
- P Sullivan5,
- S Chandler1,
- T Loucas6,
- D Meldrum7,
- M Afzal8,
- B Thomas9,
- L Jin9,
- D Brown9
- 1
Newcomen Centre, Guy’s & St Thomas’ NHS Foundation Trust, London, UK - 2
Biostatistics Group, Division of Epidemiology & Health Sciences, University of Manchester, Manchester, UK - 3
Department of Child and Adolescent Psychiatry, Institute of Psychiatry, King’s College London, UK - 4
Behavioural and Brain Sciences Unit, UCL Institute of Child Health, London, UK - 5
Department of Paediatrics, John Radcliffe Hospital, University of Oxford, Oxford, UK - 6
School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK - 7
Chatswood Assessment Centre, Sydney, New South Wales, Australia - 8
National Institute for Biological Standards and Control, Potters Bar, Hertfordshire, UK - 9
Virus Reference Department, Centre for Infections, Health Protection Agency, London, UK - Professor G Baird, Newcomen Centre for Child Development, Guy’s Hospital, London Bridge, London SE1 9RT, UK; gillian.baird{at}gstt.nhs.uk
Abstract
Objective: To test the hypothesis that measles vaccination was involved in the pathogenesis of autism spectrum disorders (ASD) as evidenced by signs of a persistent measles infection or abnormally persistent immune response shown by circulating measles virus or raised antibody titres in children with ASD who had been vaccinated against measles, mumps and rubella (MMR) compared with controls.
Design: Case–control study, community based.
Methods: A community sample of vaccinated children aged 10–12 years in the UK with ASD (n = 98) and two control groups of similar age, one with special educational needs but no ASD (n = 52) and one typically developing group (n = 90), were tested for measles virus and antibody response to measles in the serum.
Results: No difference was found between cases and controls for measles antibody response. There was no dose–response relationship between autism symptoms and antibody concentrations. Measles virus nucleic acid was amplified by reverse transcriptase-PCR in peripheral blood mononuclear cells from one patient with autism and two typically developing children. There was no evidence of a differential response to measles virus or the measles component of the MMR in children with ASD, with or without regression, and controls who had either one or two doses of MMR. Only one child from the control group had clinical symptoms of possible enterocolitis.
Conclusion: No association between measles vaccination and ASD was shown.
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Archives of Disease in Childhood 2008; 93 i-i Published Online First: 22 Sep 2008. - Corrections
BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health
Archives of Disease in Childhood 2008; 93 1079-1079 Published Online First: 21 Nov 2008. doi: 10.1136/adc.2007.122937corr1