Hyaluronan esters drive smad gene expression and signaling enhancing cardiogenesis in mouse embryonic and human mesenchymal stem cells

Margherita Maioli, Sara Santaniello, Andrea Montella, Pasquale Bandiera, Silvia Cantoni, Claudia Cavallini, Francesca Bianchi, Vincenzo Lionetti, Flavio Rizzolio, Irene Marchesi, Luigi Bagella, Carlo Ventura

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Background: Development of molecules chemically modifying the expression of crucial orchestrator(s) of stem cell commitment may have significant biomedical impact. We have recently developed hyaluronan mixed esters of butyric and retinoic acids (HBR), turning cardiovascular stem cell fate into a high-yield process. The HBR mechanism(s) remain still largely undefined. Methodology/Principal Findings: We show that in both mouse embryonic stem (ES) cells and human mesenchymal stem cells from fetal membranes of term placenta (FMhMSCs), HBR differentially affected the patterning of Smad proteins, one of the major conductors of stem cell cardiogenesis. Real-time RT-PCR and Western blot analyses revealed that in both cell types HBR enhanced gene and protein expression of Smad1,3, and 4, while down-regulating Smad7. HBR acted at the transcriptional level, as shown by nuclear run-off experiments in isolated nuclei. Immunofluorescence analysis indicated that HBR increased the fluorescent staining for Smad1,3, and 4, confirming that the transcriptional action of HBR encompassed the upregulation of the encoded Smad proteins. Chromatin immune precipitation and transcriptional analyses showed that HBR increased the transcription of the cardiogenic gene Nkx-2.5 through Smad4 binding to its own consensus Smad site. Treatment of mouse ES cells and FMhMSCs with HBR led to the concomitant overexpression of both Smad4 and asarcomeric actinin. Smad4 silencing by the aid of lentiviral-mediated Smad4 shRNA confirmed a dominant role of Smad4 in HBR-induced cardiogenesis. Conclusions/Significance: The use of HBR may pave the way to novel combinatorial strategies of molecular and stem cell therapy based on fine tuning of targeted Smad transciption and signaling leading to a high-throughput of cardiogenesis without the needs of gene transfer technologies.

Original languageEnglish
Article numbere15151
JournalPLoS One
Volume5
Issue number11
DOIs
Publication statusPublished - 2010

Fingerprint

hyaluronic acid
Hyaluronic Acid
Stem cells
Mesenchymal Stromal Cells
Gene expression
stem cells
Esters
Stem Cells
esters
Smad Proteins
Gene Expression
gene expression
mice
embryonic stem cells
Technology Transfer
Actinin
Extraembryonic Membranes
Butyrates
extraembryonic membranes
Cell- and Tissue-Based Therapy

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Maioli, M., Santaniello, S., Montella, A., Bandiera, P., Cantoni, S., Cavallini, C., ... Ventura, C. (2010). Hyaluronan esters drive smad gene expression and signaling enhancing cardiogenesis in mouse embryonic and human mesenchymal stem cells. PLoS One, 5(11), [e15151]. https://doi.org/10.1371/journal.pone.0015151

Hyaluronan esters drive smad gene expression and signaling enhancing cardiogenesis in mouse embryonic and human mesenchymal stem cells. / Maioli, Margherita; Santaniello, Sara; Montella, Andrea; Bandiera, Pasquale; Cantoni, Silvia; Cavallini, Claudia; Bianchi, Francesca; Lionetti, Vincenzo; Rizzolio, Flavio; Marchesi, Irene; Bagella, Luigi; Ventura, Carlo.

In: PLoS One, Vol. 5, No. 11, e15151, 2010.

Research output: Contribution to journalArticle

Maioli, M, Santaniello, S, Montella, A, Bandiera, P, Cantoni, S, Cavallini, C, Bianchi, F, Lionetti, V, Rizzolio, F, Marchesi, I, Bagella, L & Ventura, C 2010, 'Hyaluronan esters drive smad gene expression and signaling enhancing cardiogenesis in mouse embryonic and human mesenchymal stem cells', PLoS One, vol. 5, no. 11, e15151. https://doi.org/10.1371/journal.pone.0015151
Maioli, Margherita ; Santaniello, Sara ; Montella, Andrea ; Bandiera, Pasquale ; Cantoni, Silvia ; Cavallini, Claudia ; Bianchi, Francesca ; Lionetti, Vincenzo ; Rizzolio, Flavio ; Marchesi, Irene ; Bagella, Luigi ; Ventura, Carlo. / Hyaluronan esters drive smad gene expression and signaling enhancing cardiogenesis in mouse embryonic and human mesenchymal stem cells. In: PLoS One. 2010 ; Vol. 5, No. 11.
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