9 research outputs found

    Simultaneous determination of glutathione, glutathione disulphide, paracetamol and its sulphur containing metabolites using HPLC and electrochemical detection with on-line generated bromine

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    A Viability of hMSC of all sources during a 7-day follow-up period during early passages (passages 3–5) in culture (results expressed as arbitrary units of normalized fluorescence). Black depicts CV-MSC (n = 3), dark gray UC-MSC (n = 3), medium gray AT-MSC (n = 3), and light gray BM-MSC (n = 3). B Histograms for CV-MSC in passage 9 (n = 3) and UC-MSC in passage 4 (n = 3) stained for β-galactosidase assessed by flow cytometry. C Visualization of collagen contraction potential by CV-MSC (i), BM-MSC (ii), UC-MSC (iii), and AT-MSC (iv). All donors shown. Scale = 1 cm. D Immunofluorescence of early passaged BM-MSC (i, iv), UC-MSC (ii–v), and AT-MSC (iii, vi) stained for SM22α (i–iii) and α-SMA (iv–vi). Scale = 50 μm. All conditions n ≥ 3. (JPG 63 kb

    Additional file 3: Figure S3. of Comprehensive characterization of chorionic villi-derived mesenchymal stromal cells from human placenta

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    A Difference between predicted and chronological MSC donor age (years) after EAS: CV-MSC 37.75 ± 5.43 years (n = 4), BM-MSC –16.00 ± 10.06 years (n = 4), UC-MSC 25.50 ± 1.84 years (n = 4), AT-MSC 17.00 ± 5.00 (n = 2), from passage 2 to passage 5 (**p < 0.005). B Difference between predicted and chronological MSC donor age (years) after EAS: CV-MSC 29.25 ± 4.46 years (n = 4), BM-MSC –26.40 ± 10.52 years (n = 5), AT-MSC 32.80 ± 9.65 (n = 5), from passage 6 to passage 15 (**p < 0.005). It was not possible to keep UC-MSC until late passages. C Predicted age (years) versus passage number EAS: one representative donor shown for CV-MSC (black), UC-MSC (dark gray), AT-MSC (medium gray), and BM-MSC (light gray). (JPG 33 kb

    Additional file 1: Figure S1. of Comprehensive characterization of chorionic villi-derived mesenchymal stromal cells from human placenta

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    A Bright-field microscopy images of cultured UC-MSC in passage 3 (i) and AT-MSC in passage 24 (ii). Scale = 500 μm. B Visualization of calcium deposits after Alizarin Red stain (i–iii, scale = 500 μm), proteogyclans after Toluin Blue stain (iv–vi, scale = 1 mm), and lipid droplets after Oil Red O stain (vii–ix, scale = 100 μm) of differentiated AT-MSC (i, iv, vii), BM-MSC (ii, v, viii), and UC-MSC (iii, vi, ix) all in passage 3. (JPG 86 kb

    Analyse des sagittalen lumbosakralen Alignments nach Korrekturspondylodese isthmischer Spondylolisthesen

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    (A) Representative TEM images of c-kit+ cells used for initiating co-cultures after immunomagnetic bead selection. (B) TEM images of 4- and 14-day cultured c-kit+ cells on 500-μm β-TCP scaffolds, 500-μm β-TCP/collagen I/III scaffolds, and 500-μm β-TCP/Matrigel® scaffolds. Collagen I/III gels and Matrigel® alone are shown as controls. C-kit+ progenitor cell morphology (of freshly isolated cells) consisting of visible scattered chromatin, prominent nucleoli, and approximated cell diameter of 8–10 μm is shown as reference

    Additional file 2: Figure S1. of An engineered multicomponent bone marrow niche for the recapitulation of hematopoiesis at ectopic transplantation sites

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    Representative SEM images of 500- or 800-μm β-TCP scaffolds pre-seeded with hMSCs maintained in culture for 3 weeks with or without addition of collagen I/III. Collagen I/III embedded with hMSCs cultured under standard conditions were undifferentiated controls. Collagen I/III gels with embedded hMSCs cultured under osteogenic differentiation conditions were osteogenic controls (xii)

    Additional file 4: Figure S3. of An engineered multicomponent bone marrow niche for the recapitulation of hematopoiesis at ectopic transplantation sites

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    Dot plot representations of the putative LSK (lin−Sca1+c-kit+) population in starting cultures and 4-, 7-, and 14-day cultures of c-kit+-isolated cells in co-culture with mBMSCs on 500- and 800-μm β-TCP scaffolds with or without collagen I/III gels or Matrigel®. Flow cytometry data shown is of one representative experiment

    Additional file 3: Figure S2. of An engineered multicomponent bone marrow niche for the recapitulation of hematopoiesis at ectopic transplantation sites

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    (A) Monitorization of the CD34+CD38− primitive phenotype in human-derived CD34+ progenitors co-cultured with hMSCs for 5 and 12 days in the different β-TCP/matrix hybrids. On the left data presented is a mean ± SD of three independent experiments; on the right, dot plots of one representative experiment are shown. (B) Representative SEM images CD34+ HSPCs co-cultured for 12 days in 800-μm β-TCP scaffolds in the presence of hMSC-containing collagen I/III matrix. CD34+ HSPCs (red arrows) are seen in close contact to hMSCs (white arrows) within the scaffold macropores. β-TCP scaffolds (asterisks) were reinforced with collagen I/III (green arrows)

    Additional file 7: Figure S6. of An engineered multicomponent bone marrow niche for the recapitulation of hematopoiesis at ectopic transplantation sites

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    Representative SEM images of collagen I/III gels pre-seeded with mBMSCs and later seeded with c-kit+-isolated cells. Co-cultures observed were maintained for 4 days (vi) and 14 days (i, iv, v). SEM in cryogenic mode (ii) and dry mode (iii) shows the typically high microporosity rate of collagen I/III
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