Polyamine supplementation reduces DNA damage in adipose stem cells cultured in 3-D

Manuela Minguzzi, Serena Guidotti, Daniela Platano, Stefania D'Adamo, Silvia Cetrullo, Elisa Assirelli, Spartaco Santi, Erminia Mariani, Giovanni Trisolino, Giuseppe Filardo, Flavio Flamigni, Rosa Maria Borzì

Research output: Contribution to journalArticle

Abstract

According to previous research, natural polyamines exert a role in regulating cell committment and differentiation from stemness during skeletal development. In order to assess whether distinct polyamine patterns are associated with different skeletal cell types, primary cultures of stem cells, chondrocytes or osteoblasts were dedicated for HPLC analysis of intracellular polyamines. Spermine (SPM) and Spermidine (SPD) levels were higher in adipose derived stem cells (ASC) compared to mature skeletal cells, i.e. chondrocytes and osteoblasts, confirming the connection of polyamine content with stemness. To establish whether polyamines can protect ASC against oxidative DNA damage in a 3-D differentiation model, the level of γH2AX was measured by western blot, and found to correlate with age and BMI of patients. Addition of either polyamine to ASC was able to hinder DNA damage in the low micromolecular range, with marked reduction of γH2AX level at 10 µM SPM and 5 µM SPD. Molecular analysis of the mechanisms that might underlie the protective effect of polyamine supplementation evidences a possible involvement of autophagy. Altogether, these results support the idea that polyamines are able to manage both stem cell differentiation and cell oxidative damage, and therefore represent appealing tools for regenerative and cell based applications.

Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalScientific Reports
Volume9
Issue number1
DOIs
Publication statusPublished - Oct 3 2019

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Polyamines
DNA Damage
Stem Cells
Spermidine
Spermine
Chondrocytes
Osteoblasts
Cell Differentiation
Primary Cell Culture
Autophagy
Western Blotting
High Pressure Liquid Chromatography
Research

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Polyamine supplementation reduces DNA damage in adipose stem cells cultured in 3-D. / Minguzzi, Manuela; Guidotti, Serena; Platano, Daniela; D'Adamo, Stefania; Cetrullo, Silvia; Assirelli, Elisa; Santi, Spartaco; Mariani, Erminia; Trisolino, Giovanni; Filardo, Giuseppe; Flamigni, Flavio; Borzì, Rosa Maria.

In: Scientific Reports, Vol. 9, No. 1, 03.10.2019, p. 1-13.

Research output: Contribution to journalArticle

Minguzzi, M, Guidotti, S, Platano, D, D'Adamo, S, Cetrullo, S, Assirelli, E, Santi, S, Mariani, E, Trisolino, G, Filardo, G, Flamigni, F & Borzì, RM 2019, 'Polyamine supplementation reduces DNA damage in adipose stem cells cultured in 3-D', Scientific Reports, vol. 9, no. 1, pp. 1-13. https://doi.org/10.1038/s41598-019-50543-z
Minguzzi, Manuela ; Guidotti, Serena ; Platano, Daniela ; D'Adamo, Stefania ; Cetrullo, Silvia ; Assirelli, Elisa ; Santi, Spartaco ; Mariani, Erminia ; Trisolino, Giovanni ; Filardo, Giuseppe ; Flamigni, Flavio ; Borzì, Rosa Maria. / Polyamine supplementation reduces DNA damage in adipose stem cells cultured in 3-D. In: Scientific Reports. 2019 ; Vol. 9, No. 1. pp. 1-13.
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