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Cell Death and Disease

is an open-access journal

published by

Nature Publishing Group

. This work is

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s Creative Commons license, unless indicated

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Supplementary Information accompanies this paper on Cell Death and Disease website (http://www.nature.com/cddis)

Cardiac adiposity is regulated by

Klf4

and

c-Myc

D Kami

et al

12

Cell Death and Disease

Содержание KTD50

Страница 1: ...onditions 5 The criteria for identifying MSCs include adher ence to a plastic dish a characteristic surface profile and differentiation capacity in vitro 6 Although most prior reports have identified bone marrow as the origin for MSCs other organs including adipose tissue7 and the heart8 9 also harbor fibroblasts that fulfill the criteria for MSCs MSCs derived from different organs demonstrate var...

Страница 2: ...microarray chip and the NIA Array Analysis website 22 Based on hierarchical clustering analysis of gene expression OSKM CMPs could be clearly discriminated from CMP controls Figure 3a In addition principal component analysis PCA of gene expression showed that the OSKM CMPs were different from the CMP controls and gradually shifted from right to left on the PC1 axis in a time dependent manner Figur...

Страница 3: ... non treated and KM transduced 3T3 L1 preadipocytes Figure 5b Furthermore we examined whether other mouse multipotent MSCs derived from bone marrow KUSA A1 KUM5 and KUM9 cells could be induced to undergo differentiation to adipocytes by KM transduction Cells treated Figure 1 OSKM transduced CMPs differentiated into adipocytes a Schematic representation of the adipocyte differentiation method MC me...

Страница 4: ...1 were examined The expression of both c Fos and c Jun drastically and temporarily increased just after exposure to normoxic conditions Moreover we determined that KM was involved in in vivo murine cardiac IRI Figures 6d f Injured murine ventricles acutely and temporarily expressed Klf4 and c Myc in IRI similar to the pattern observed for in vitro IRI The expression levels of both c Fos and c Jun ...

Страница 5: ...sion of the first wave of TFs in AON was significantly higher than that in RA and the gene expression of the second wave of TFs was not significantly different among the three areas The surrogate TFs c Fos and c Jun showed significantly increased expres sion in AON and AAR compared with that in RA which was the same tendency as that observed for Klf4 c Myc C Ebpβ and C Ebpδ suggesting that adipoge...

Страница 6: ...anges compared with KM treated CMPs white box Po0 05 and 0 01 respectively c Calculation of Oil Red O staining area Each well image was captured using a Keyence BZ X700 digital microscope The black bar indicates 5 mm left The graph shows the percentages of the total area that were positive for Oil Red O staining right Error bars indicate S E and indicate significant changes Po0 05 and 0 01 respect...

Страница 7: ... S E n 3 and indicate significant changes compared with KM treated 3T3 L1 cells at day 8 Po0 05 and 0 01 respectively c Phase contrast microscope images MSCs derived from mouse bone marrow were transduced with KM Sendai virus One day after infection cells were cultured in reprogramming medium for 8 days At day 8 cells were fixed and stained with Oil Red O The white bar indicates 50 μm Cntrl indica...

Страница 8: ...onditions in a hypoxic chamber and normoxia indicates 21 O2 5 CO2 conditions b Phase contrast microscope images of CMPs under hypoxic conditions c qRT PCR analysis of the expression of each gene in CMPs Error bars indicate S E n 3 and indicate significant changes compared with CMPs at 0 h white box Po0 05 and 0 01 respectively H indicates hypoxia condition N indicates hormoxia condition d Schemati...

Страница 9: ...tissue growth owing to the post mitotic nature of mature adipocytes In adipose tissue resident MSCs are considered to be a major source for adipocyte generation 36 Some studies have reported in vivo adipocyte differentiation from MSCs which expressed similar cell surface antigens to those expressed by the CMPs in this study 44 45 Recently myocardium derived stem progenitor cells such as cardiac st...

Страница 10: ...hcare UK Buckinghamshire England The adipogenic stimulation cocktail ingredients insulin IBMX and dexamethasone were purchased from Sigma Aldrich St Louis MO USA Cell preparation Experimental procedures and protocols were approved by the Animal Experiment Ethics Committee of the Kyoto Prefectural University of Medicine Murine CMPs were isolated from wild type C57BL 6 mouse hearts 10 to 16 week old...

Страница 11: ...s o0 05 were considered significant Conflict of Interest The authors declare no conflict of interest Acknowledgements We would like to express our sincere thanks to Toyoda Masashi Tokyo Metropolitan Institute of Gerontology for helpful discussions regarding the results presented in the manuscript This study was supported by a Grant in Aid for Exploratory Research from JSPS KAKENHI 24659594 1 Lefte...

Страница 12: ...y cardiosphere derived cells for heart regeneration after myocardial infarction CADUCEUS a prospective randomised phase 1 trial Lancet 2012 379 895 904 48 Smits AM van Vliet P Metz CH Korfage T Sluijter JP Doevendans PA et al Human cardiomyocyte progenitor cells differentiate into functional mature cardiomyocytes an in vitro model for studying human cardiac physiology and pathophysiology Nat Proto...

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