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Karl-Fredrik Eriksson

Associate professor

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Quantitative proteomic analysis of human peripheral nerves from subjects with type 2 diabetes


  • Erik Ising
  • Emma Åhrman
  • Niels O B Thomsen
  • Karl-Fredrik Eriksson
  • Johan Malmström
  • Lars B Dahlin

Summary, in English

AIMS: Diabetic peripheral neuropathy (DPN) is a common and severe complication to type 2 diabetes (T2D). The pathogenesis of DPN is not fully known, but several pathways and gene polymorphisms contributing to DPN are described. DPN can be studied using nerve biopsies, but studies on the proteome of the nerve itself, and its surrounding tissue as a whole, are lacking. Studies on the posterior interosseous nerve (PIN) have proposed PIN a useful indicator of DPN.

METHODS: A quantitative mass spectrometry-based proteomics analysis was made of peripheral nerves from age- and gender-matched living human male tissue donors; nine T2D subjects, with decreased sural nerve action potentials indicating DPN, and six controls without T2D, with normal electrophysiology results.

RESULTS: A total of 2617 proteins were identified. Linear regression was used to discover which proteins were differentially expressed between T2D and controls. Only soft signals were found. Therefore, clustering of the 500 most variable proteins were made in order to find clusters of similar proteins in T2D subjects and healthy controls.

CONCLUSIONS: This feasibility study shows, for the first time, that the use of quantitative mass spectrometry enables quantification of proteins from nerve biopsies from subjects with and without T2D, which may aid in finding biomarkers of importance to DPN development.


  • Paediatric Endocrinology
  • EXODIAB: Excellence of Diabetes Research in Sweden
  • Infection Medicine Proteomics
  • Infection Medicine (BMC)
  • Hand Surgery, Malmö
  • EpiHealth: Epidemiology for Health

Publishing year





Diabetic Medicine: A journal of the British Diabetic Association





Document type

Journal article




  • Endocrinology and Diabetes


  • diabetes mellitus
  • diabetic neuropathies
  • peripheral neuropathies
  • proteome
  • type 2



Research group

  • Paediatric Endocrinology
  • Infection Medicine Proteomics
  • Hand Surgery, Malmö


  • ISSN: 1464-5491