References of "Sanchez, Christelle"
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See detailBaseline Fibulin3 concentrations are associated with incidence of clinical knee OA after 30 months in overweight and obese women
Runhaar, Jos; Sanchez, Christelle ULg; Henrotin, Yves ULg et al

in Osteoarthritis and Cartilage (2015, April), 23(S2), 83

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See detailOleuropein or rutin consumption decreases the spontaneous development of osteoarthritis in the Hartley guinea pig.
Horcajada, M.-N.; Sanchez, Christelle ULg; Membrez Scalfo et al

in Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society (2015), 23(1), 94-102

OBJECTIVE: To assess the potential protective effects of three polyphenols oleuropein, rutin and curcumin, on joint ageing and osteoarthritis (OA) development. DESIGN: Sixty 4-week-old Dunkin-Hartley ... [more ▼]

OBJECTIVE: To assess the potential protective effects of three polyphenols oleuropein, rutin and curcumin, on joint ageing and osteoarthritis (OA) development. DESIGN: Sixty 4-week-old Dunkin-Hartley guinea pigs were randomized into four groups and received daily during 31 weeks either standard guinea pig diet (control group) or a standard guinea pig diet enriched with oleuropein (0.025%), rutin (0.5%) or rutin/curcumin (0.5%/0.25%) association. Biomarkers of OA (Coll2-1, Coll2-1NO2, Fib3-1, Fib3-2, ARGS), as well as inflammation (PGE2) were quantified in the serum. Histological assessments of knee cartilage and synovial membrane were performed at week 4 (five young reference guinea pigs) and week 35. RESULTS: At week 35, guinea pigs in the control group spontaneously developed significant cartilage lesions with mild synovial inflammation. The histological scores of cartilage lesions and synovitis were well correlated with the increased level of serum biomarkers. Histologically, all treatments significantly reduced the cartilage degradation score (P < 0.01), but only oleuropein significantly decreased the synovial histological score (P < 0.05) and serum PGE2 levels (P < 0.01) compared to the control group. Coll2-1 was decreased by rutin and the combination of rutin/curcumin, Fib3-1 and Fib3-2 were only decreased by the rutin/curcumin mixture, while Coll2-1NO2 was significantly decreased by all treatments (P < 0.05). CONCLUSION: Oleuropein and rutin +/- curcumin significantly slowed down the progression of spontaneous OA lesions in guinea pigs. While no additive effect was seen in the curcumin + rutin group, the differential effects of oleuropein and rutin on inflammatory and cartilage catabolic markers suggest an interesting combination for future studies in OA protection. [less ▲]

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See detailCell cultivation in chitosan alginate hydrogel beads
Henrotin, Yves ULg; Kesteloot, Frédéric; Sanchez, Christelle ULg

Patent (2014)

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See detailBone sialoprotein as a potential key factor implicated in the pathophysiology of osteoarthritis
Pesesse, Laurence ULg; Sanchez, Christelle ULg; Walsh, David et al

in Osteoarthritis and Cartilage (2014), 22(4), 547-56

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See detailOleuropein or rutin consumption decreases the spontaneous development of OA in Hartley guinea pig
Sanchez, Christelle ULg; Horcajada, Marie-Noëlle; Membrez, Fanny et al

Conference (2013, November 23)

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See detailASSOCIATION BETWEEN CHONDROCYTE HYPERTROPHY AND ANGIOGENESIS OF CARTILAGE IN OSTEOARTHRITIS
Pesesse, Laurence ULg; Sanchez, Christelle ULg; Delcour, Jean-Pierre et al

Conference (2013, November)

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See detailBONE SIALOPROTEIN AS A KEY FACTOR IN THE PATHOPHYSIOLOGY OF OSTEOARTHRITIS
Pesesse, Laurence ULg; Sanchez, Christelle ULg; Walsh, David et al

Conference (2013, November)

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See detailLa consommation d’oleuropéine ou de rutine diminue le développement spontané de l’arthrose chez le cobaye Hartley
Sanchez, Christelle ULg; Horcajada, Marie-Noëlle; Membrez, Fanny et al

in Revue du Rhumatisme (2013), 80S

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See detailOleuropein or rutin consumption decreases the spontaneous development of OA in Hartley guinea pig
Sanchez, Christelle ULg; Horcajada, Marie-Noëlle; Membrez, Fanny et al

in Arthritis and Rheumatism (2013), 65

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See detailDeciphering the role of 75KDA SIRT1 fragment in osteoarthritis
Dvir-Ginzberg, M; Oppenheimer, H; Meir, H et al

in Osteoarthritis and Cartilage (2013), 21

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See detailAltered cartilage phenotype in mice lacking Sirt-1 gene
Gabay, Odile; Zaal, K; Sanchez, Christelle ULg et al

in Osteoarthritis and Cartilage (2013), 21

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See detailIdentification of differential pattern of protein expression in canine osteoarthritis serum after anterior cruciate ligament transection: a proteomic analysis.
Gharbi, Myriam; Sanchez, Christelle ULg; Mazzucchelli, Gabriel ULg et al

in Veterinary journal (London, England : 1997) (2013), 197(3), 848-53

Osteoarthritis (OA) management remains a great challenge and there is considerable effort to understand its pathophysiology and to identify new therapeutic targets and biomarkers. Canine OA surgically ... [more ▼]

Osteoarthritis (OA) management remains a great challenge and there is considerable effort to understand its pathophysiology and to identify new therapeutic targets and biomarkers. Canine OA surgically induced by the transection of the anterior cruciate ligament (ACLT) is a widely used and relevant model. This study reports a proteome mapping of dog serum and an analysis of the differentially expressed proteins between before and after ACLT. In the first part of the study, 261 picked protein spots were identified from preparative 2D gels and 71 different proteins were identified among the 261 spots present on the reference map. Canine serum proteome mapping reveals the presence of proteins of interest, such as fetuin B, complement C3 and C1s and pregnancy zone protein. The comparison between serum from dogs before and after ACLT reveals the differential expression of several proteins that could play a key role in the pathogenesis of OA. A number of proteins, such as fetuin B and complement C3, were increased in dog OA serum whereas others, such as hyaluronan binding protein 2, inter-alpha-trypsin inhibitor H4 (ITIH4), complement C1s and C4 and haptoglobin were decreased. Some of these proteins could be candidate biomarkers for diagnosis, prognosis and treatment evaluation. The results of the study also reinforced the similarities between dog experimental OA and human cases of OA. [less ▲]

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See detailConsequences of chondrocyte hypertrophy on osteoarthritic cartilage: potential effect on angiogenesis.
Pesesse, Laurence ULg; Sanchez, Christelle ULg; Delcour, J.-P. et al

in Osteoarthritis and cartilage / OARS, Osteoarthritis Research Society (2013), 21(12), 1913-23

OBJECTIVE: The aim of this study was to investigate the link between the hypertrophic phenotype of chondrocytes and angiogenesis in osteoarthritis (OA) and more particularly to demonstrate that OA ... [more ▼]

OBJECTIVE: The aim of this study was to investigate the link between the hypertrophic phenotype of chondrocytes and angiogenesis in osteoarthritis (OA) and more particularly to demonstrate that OA hypertrophic chondrocytes potentially express a phenotype promoting angiogenesis through the expression of factors controlling endothelial cells migration, invasion and adhesion. METHOD: Human OA chondrocytes were cultivated in alginate beads in medium supplemented with 10% fetal bovine serum (FBS) to induce chondrocyte hypertrophy. The hypertrophic phenotype was characterized throughout 28 days of culture by measuring the expression of specific genes and by a microscopic observation of cellular morphology. The effect of media conditioned by OA hypertrophic chondrocyte on endothelial cells migration, invasion and adhesion was evaluated in functional assays. Moreover, hypertrophic OA chondrocytes were tested for the expression of angiogenic factors by real-time RT-PCR. RESULTS: Specific markers of hypertrophy and observation of cellular morphology attested of the hypertrophic phenotype of chondrocytes in our culture model. Functional angiogenesis assays showed that factors produced by hypertrophic chondrocytes stimulated migration, invasion and adhesion of endothelial cells. Among the evaluated angiogenic factors, bone sialoprotein (BSP) was the most highly upregulated in hypertrophic chondrocytes. The inhibition of endothelial cell adhesion by a GRGDS peptide confirmed the implication of RGD domain proteins, like BSP, in hypertrophic chondrocyte-induced adhesion of endothelial cells. CONCLUSION: Hypertrophic differentiation of chondrocyte may promote angiogenesis. Our findings established the relation of BSP with OA chondrocyte hypertrophy and suggested that this factor could constitute a potential target to control cartilage neovascularisation in OA. [less ▲]

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