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Combining canine mesenchymal stromal cells and hyaluronic acid for cartilage repair Genet. Mol. Biol.
Wits,Maria Inês; Tobin,Gabriela Cabanas; Silveira,Maiele Dornelles; Baja,Karine Gehlen; Braga,Luisa Maria Macedo; Sesterheim,Patricia; Camassola,Melissa; Nardi,Nance Beyer.
Abstract Cell therapy and tissue engineering have been intensively researched for repair of articular cartilage. In this study, we investigated the chondrogenic potential of canine adipose-derived mesenchymal stromal cells (ASCs) combined to high molecular weight hyaluronic acid (HA) in vitro, and their therapeutic effect in dogs with chronic osteoarthritis (OA) associated with bilateral hip dysplasia. Canine ASCs were characterized after conventional 2D culture or 3D culture in HA, showing adequate immunophenotype, proliferation and trilineage differentiation, as well as chondrogenesis after cultivation in HA. ASC/HA constructs were used to treat 12 dogs with OA, sequentially assigned to control, ASC and ASC/HA groups. Animals were examined for clinical,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mesenchymal stromal cells; Hyaluronic acid; Osteoarthritis; Dog.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000100701
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In vitro cultivation of canine multipotent mesenchymal stromal cells on collagen membranes treated with hyaluronic acid for cell therapy and tissue regeneration BJMBR
Wodewotzky,T.I.; Lima-Neto,J.F.; Pereira-Júnior,O.C.M.; Sudano,M.J.; Lima,S.A.F.; Bersano,P.R.O.; Yoshioka,S.A.; Landim-Alvarenga,F.C..
Support structures for dermal regeneration are composed of biodegradable and bioresorbable polymers, animal skin or tendons, or are bacteria products. The use of such materials is controversial due to their low efficiency. An important area within tissue engineering is the application of multipotent mesenchymal stromal cells (MSCs) to reparative surgery. The combined use of biodegradable membranes with stem cell therapy may lead to promising results for patients undergoing unsuccessful conventional treatments. Thus, the aim of this study was to test the efficacy of using membranes composed of anionic collagen with or without the addition of hyaluronic acid (HA) as a substrate for adhesion and in vitro differentiation of bone marrow-derived canine MSCs. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Collagen scaffolds; Biomaterials; Hyaluronic acid; Mesenchymal stromal cells; Tissue engineering; Cell culture.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012001200008
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Transcriptional profile of fibroblasts obtained from the primary site, lymph node and bone marrow of breast cancer patients Genet. Mol. Biol.
Del Valle,Paulo Roberto; Milani,Cintia; Brentani,Maria Mitzi; Katayama,Maria Lucia Hirata; Lyra,Eduardo Carneiro de; Carraro,Dirce Maria; Brentani,Helena; Puga,Renato; Lima,Leandro A.; Rozenchan,Patricia Bortman; Nunes,Bárbara dos Santos; Góes,João Carlos Guedes Sampaio; Folgueira,Maria Aparecida Azevedo Koike.
Cancer-associated fibroblasts (CAF) influence tumor development at primary as well as in metastatic sites, but there have been no direct comparisons of the transcriptional profiles of stromal cells from different tumor sites. In this study, we used customized cDNA microarrays to compare the gene expression profile of stromal cells from primary tumor (CAF, n = 4), lymph node metastasis (N+, n = 3) and bone marrow (BM, n = 4) obtained from breast cancer patients. Biological validation was done in another 16 samples by RT-qPCR. Differences between CAF vs N+, CAF vs BM and N+ vs BM were represented by 20, 235 and 245 genes, respectively (SAM test, FDR < 0.01). Functional analysis revealed that genes related to development and morphogenesis were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bone marrow; Breast neoplasm; Fibroblast; Gene expression profiling; Lymph node; Mesenchymal stromal cells; Tumor microenvironment.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572014000400002
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