University of Oulu

Lamichhane, S., Ahonen, L., Dyrlund, T., Kemppainen, E., Siljander, H., Hyöty, H., Ilonen, J., Toppari, J., Veijola, R., Hyötyläinen, T., Knip, M., Oresic, M. (2018) Dynamics of Plasma Lipidome in Progression to Islet Autoimmunity and Type 1 Diabetes – Type 1 Diabetes Prediction and Prevention Study (DIPP). Scientific Reports, 8, 10635. doi:10.1038/s41598-018-28907-8

Dynamics of plasma lipidome in progression to islet autoimmunity and type 1 diabetes : type 1 diabetes prediction and prevention study (DIPP)

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Author: Lamichhane, Santosh1; Ahonen, Linda2; Sparholt Dyrlund, Thomas2;
Organizations: 1Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, 20520, Finland
2Steno Diabetes Center Copenhagen, 2820, Gentofte, Denmark
3Children’s Hospital, University of Helsinki and Helsinki University Hospital, 00290, Helsinki, Finland
4Research Program Unit, Diabetes and Obesity, University of Helsinki, 00290, Helsinki, Finland
5Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
6Fimlab Laboratories, Pirkanmaa Hospital District, Tampere, Finland
7Immunogenetics Laboratory, Institute of Biomedicine, University of Turku, Turku, Finland
8Clinical Microbiology, Turku University Hospital, Turku, Finland
9Institute of Biomedicine, Centre for Integrative Physiology and Pharmacology, University of Turku, Turku, Finland
10Department of Pediatrics, Turku University Hospital, Turku, Finland
11Department of Paediatrics, PEDEGO Research Unit, Medical Research Centre, University of Oulu, Oulu, Finland
12Department of Children and Adolescents, Oulu University Hospital, Oulu, Finland
13Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden
14Department of Chemistry, Örebro University, 702 81, Örebro, Sweden
15Tampere Center for Child Health Research, Tampere University Hospital, Tampere, Finland
16Folkhälsan Research Center, Helsinki, Finland
17School of Medical Sciences, Örebro University, 702 81, Örebro, Sweden
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 3 MB)
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Language: English
Published: Springer Nature, 2018
Publish Date: 2018-09-17


Type 1 diabetes (T1D) is one of the most prevalent autoimmune diseases among children in Western countries. Earlier metabolomics studies suggest that T1D is preceded by dysregulation of lipid metabolism. Here we used a lipidomics approach to analyze molecular lipids in a prospective series of 428 plasma samples from 40 children who progressed to T1D (PT1D), 40 children who developed at least a single islet autoantibody but did not progress to T1D during the follow-up (P1Ab) and 40 matched controls (CTR). Sphingomyelins were found to be persistently downregulated in PT1D when compared to the P1Ab and CTR groups. Triacylglycerols and phosphatidylcholines were mainly downregulated in PT1D as compared to P1Ab at the age of 3 months. Our study suggests that distinct lipidomic signatures characterize children who progressed to islet autoimmunity or overt T1D, which may be helpful in the identification of at-risk children before the initiation of autoimmunity.

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Series: Scientific reports
ISSN: 2045-2322
ISSN-E: 2045-2322
ISSN-L: 2045-2322
Volume: 8
Article number: 10635
DOI: 10.1038/s41598-018-28907-8
Type of Publication: A1 Journal article – refereed
Field of Science: 3121 General medicine, internal medicine and other clinical medicine
Funding: This work was supported by the JDRF grants 4-1998-274, 4-1999-731 4-2001-435 and special research funds for Oulu, Tampere and Turku University Hospitals in Finland. This work was supported by the Juvenile Diabetes Research Foundation (2-SRA-2014-159-Q-R to M.O.) and the Academy of Finland (Centre of Excellence in Molecular Systems Immunology and Physiology Research – SyMMyS, Decision No. 250114, to M.O. and M.K.).
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