Effects of maternal obesity on Wharton's Jelly mesenchymal stromal cells

Heba Badraiq, Aleksandra Cvoro, Antonio Galleu, Marisa Simon, Cristian Miere, Carl Hobbs, Reiner Schulz, Richard Siow, Francesco Dazzi, Dusko Ilic

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


We investigated whether maternal metabolic environment affects mesenchymal stromal/stem cells (MSCs) from umbilical cord's Wharton's Jelly (WJ) on a molecular level, and potentially render them unsuitable for clinical use in multiple recipients. In this pilot study on umbilical cords post partum from healthy non-obese (BMI = 19-25; n = 7) and obese (BMI ≥ 30; n = 7) donors undergoing elective Cesarean section, we found that WJ MSC from obese donors showed slower population doubling and a stronger immunosuppressive activity. Genome-wide DNA methylation of triple positive (CD73+CD90+CD105+) WJ MSCs found 67 genes with at least one CpG site where the methylation difference was ≥0.2 in four or more obese donors. Only one gene, PNPLA7, demonstrated significant difference on methylome, transcriptome and protein level. Although the number of analysed donors is limited, our data suggest that the altered metabolic environment related to excessive body weight might bear consequences on the WJ MSCs.

Original languageEnglish (US)
Article number17595
JournalScientific Reports
Issue number1
StatePublished - Dec 1 2017

ASJC Scopus subject areas

  • General


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