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See detailThe umbilical cord matrix is a better source of mesenchymal stem cells (MSC) than the umbilical cord blood.
Zeddou, Mustapha ULg; Briquet, Alexandra ULg; Relic, Biserka ULg et al

in Cell Biology International (2010), 34(7), 693-701

Many studies have drawn attention to the emerging role of MSC (mesenchymal stem cells) as a promising population supporting new clinical concepts in cellular therapy. However, the sources from which these ... [more ▼]

Many studies have drawn attention to the emerging role of MSC (mesenchymal stem cells) as a promising population supporting new clinical concepts in cellular therapy. However, the sources from which these cells can be isolated are still under discussion. Whereas BM (bone marrow) is presented as the main source of MSC, despite the invasive procedure related to this source, the possibility of isolating sufficient numbers of these cells from UCB (umbilical cord blood) remains controversial. Here, we present the results of experiments aimed at isolating MSC from UCB, BM and UCM (umbilical cord matrix) using different methods of isolation and various culture media that summarize the main procedures and criteria reported in the literature. Whereas isolation of MSC were successful from BM (10:10) and (UCM) (8:8), only one cord blood sample (1:15) gave rise to MSC using various culture media [DMEM (Dulbecco's modified Eagle's medium) +5% platelet lysate, DMEM+10% FBS (fetal bovine serum), DMEM+10% human UCB serum, MSCGM] and different isolation methods [plastic adherence of total MNC (mononuclear cells), CD3+/CD19+/CD14+/CD38+-depleted MNC and CD133+- or LNGFR+-enriched MNC]. MSC from UCM and BM were able to differentiate into adipocytes, osteocytes and hepatocytes. The expansion potential was highest for MSC from UCM. The two cell populations had CD90+/CD73+/CD105+ phenotype with the additional expression of SSEA4 and LNGFR for BM MSC. These results clearly exclude UCB from the list of MSC sources for clinical use and propose instead UCM as a rich, non-invasive and abundant source of MSC. [less ▲]

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See detailOxygen consumption of equine articular chondrocytes: Influence of applied oxygen tension and glucose concentration during culture.
Schneider, Nicole ULg; Mouithys-Mickalad, Ange ULg; Lejeune, Jean-Philippe ULg et al

in Cell Biology International (2007), 31

We investigated the oxygen (O2) uptake of equine articular chondrocytes to assess their reactions to anoxia/re-oxygenation. They were cultured under 5% or 21% gas phase O2 and at glucose concentrations of ... [more ▼]

We investigated the oxygen (O2) uptake of equine articular chondrocytes to assess their reactions to anoxia/re-oxygenation. They were cultured under 5% or 21% gas phase O2 and at glucose concentrations of 0, 1.0 or 4.5 g/L in the culture medium (n = 3). Afterwards, the O2 consumption rate of the chondrocytes was monitored (oxymetry) before and after an anoxia period of 25 min. The glucose consumption and lactate release were measured at the end of the re-oxygenation period. The chondrocytes showed a minimal O2 consumption rate, which was hardly changed by anoxia. Independently from the O2 tension, glucose uptake by the cells was about 30% of the available culture medium glucose, thus higher for cells at 4.5 g/L glucose (n = 3). Lactate release was also independent from O2 tension, but lower for cells at 4.5 g/L glucose (n = 3). Our observations indicated that O2 consumption by equine chondrocytes was very low despite a functional mitochondrial respiratory chain, and nearly insensitive to anoxia/re-oxygenation. But the chondrocytes metabolism was modified by an excess of O2 and glucose. [less ▲]

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See detailThe use of Triton X-100 for the incorporation of BrUTP allows a specific labeling of nucleolar or extranucleolar transcription
Nizet, S; Thiry, Marc ULg; Goessens, G

in Cell Biology International (1998), 22

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See detailNucleolus-associated bodies in meristematic cells of Pisum sativum
Jennane, A; Thiry, Marc ULg; Goessens, G

in Cell Biology International (1998), 22

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See detailAnalysis of dentate gyrus long-term potentiation in calretinin mutant mice
Schurmans, Stéphane ULg

in Cell Biology International (1998), 22(5), 372-374

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See detailImpaired LTP in the dentate gyrus of calretinin deficient mice
Schiffman, S. N.; Schurmans, Stéphane ULg; Gurden, H. et al

in Cell Biology International (1998), 22(5), 386-387

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See detailThe human 37kDa laminin receptor precursor/p40 ribosomal associated protein multigene family : structure of the active gene and chromosomal location at 3p21.3
Jackers, Pascale ULg; Minoletti, Fabiola; Belotti, Dorina et al

in Cell Biology International (1996), 20

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See detailMatrix Metalloproteinase Family
Baramova, E.; Foidart, Jean-Michel ULg

in Cell Biology International (1995), 19(3), 239-42

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See detailStromelysin-3 - a paradigm of extracellular proteinase expressed in stromal cells of human carcinomas.
Basset, P.; Rouyer, N.; Wolf, C. et al

in Cell Biology International (1995), 19(3), 242-242

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See detailInvolvement of MMP2 and MMP9 in the development of abdominal aortic aneurysms.
SakalihasanN, Natzi ULg; DELVENNE, Philippe ULg; Nusgens, Betty ULg et al

in Cell Biology International (1995), 19(3), 250-51

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