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Sökning: WFRF:(Pedersen Bente Klarlund) > Kungliga Tekniska Högskolan > Pedersen Maria > Type 2 diabetes and...

  • Varemo, Leif (författare)

Type 2 diabetes and obesity induce similar transcriptional reprogramming in human myocytes

  • Artikel/kapitelEngelska2017

Förlag, utgivningsår, omfång ...

  • 2017-05-25
  • BIOMED CENTRAL LTD,2017
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:kth-208721
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208721URI
  • https://doi.org/10.1186/s13073-017-0432-2DOI
  • https://research.chalmers.se/publication/250642URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • QC 2017-06-12
  • Background: Skeletal muscle is one of the primary tissues involved in the development of type 2 diabetes (T2D). The close association between obesity and T2D makes it difficult to isolate specific effects attributed to the disease alone. Therefore, here we set out to identify and characterize intrinsic properties of myocytes, associated independently with T2D or obesity. Methods: We generated and analyzed RNA-seq data from primary differentiated myotubes from 24 human subjects, using a factorial design (healthy/T2D and non-obese/obese), to determine the influence of each specific factor on genome-wide transcription. This setup enabled us to identify intrinsic properties, originating from muscle precursor cells and retained in the corresponding myocytes. Bioinformatic and statistical methods, including differential expression analysis, gene-set analysis, and metabolic network analysis, were used to characterize the different myocytes. Results: We found that the transcriptional program associated with obesity alone was strikingly similar to that induced specifically by T2D. We identified a candidate epigenetic mechanism, H3K27me3 histone methylation, mediating these transcriptional signatures. T2D and obesity were independently associated with dysregulated myogenesis, down-regulated muscle function, and up-regulation of inflammation and extracellular matrix components. Metabolic network analysis identified that in T2D but not obesity a specific metabolite subnetwork involved in sphingolipid metabolism was transcriptionally regulated. Conclusions: Our findings identify inherent characteristics in myocytes, as a memory of the in vivo phenotype, without the influence from a diabetic or obese extracellular environment, highlighting their importance in the development of T2D.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Henriksen, Tora IdaKöpenhamns universitet,University of Copenhagen (författare)
  • Scheele, CamillaKöpenhamns universitet,University of Copenhagen (författare)
  • Broholm, ChristaKöpenhamns universitet,University of Copenhagen (författare)
  • Pedersen, MariaKöpenhamns universitet,University of Copenhagen (författare)
  • Uhlen, MathiasKungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH),Alba Nova Universitetscentrum,AlbaNova University Center. Stockholm Center for Physics, Astronomy and Biotechnology (författare)
  • Pedersen, Bente KlarlundKöpenhamns universitet,University of Copenhagen (författare)
  • Nielsen, JensKTH,Genteknologi,Science for Life Laboratory, SciLifeLab,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)nielsenj (författare)
  • Wigge, Leif,1986Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)varemo (författare)
  • Köpenhamns universitetKungliga Tekniska Högskolan (KTH) (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Genome Medicine: BIOMED CENTRAL LTD91756-994X1756-994X

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