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Culture of chondrocytes in alginate beads. 2004

Frédéric De Ceuninck, and Christophe Lesur, and Philippe Pastoureau, and Audrey Caliez, and Massimo Sabatini
Division der Rhumatologie, Institut de Recherches Servier, Suresnes, France.

A classic method for the encapsulation and culture of chondrocytes in alginate beads is described. Chondrocytes are released from cartilage matrix by collagenase/dispase digestion and mixed with a solution of 1.25% alginic acid until a homogenous suspension is obtained. The suspension is drawn into a syringe and pushed gently through a needle, so that drops fall into a solution of calcium chloride. Beads form instantaneously and further polymerize after 5 min in the calcium chloride solution. Chondrocytes from any species, including human osteoarthritic chondrocytes, can be cultured with this technique. Under these conditions, chondrocytes maintain a high degree of differentiation. Beads can be dissolved by chelation of calcium with EDTA. In this way, chondrocytes can be recovered and further separated from the matrix by centrifugation. Almost all molecular and biochemical techniques, as well as a number of biological assays, are compatible with the culture of chondrocytes in alginate.

UI MeSH Term Description Entries
D008863 Microspheres Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers. Latex Beads,Latex Particles,Latex Spheres,Microbeads,Bead, Latex,Beads, Latex,Latex Bead,Latex Particle,Latex Sphere,Microbead,Microsphere,Particle, Latex,Particles, Latex,Sphere, Latex,Spheres, Latex
D006603 Hexuronic Acids Term used to designate tetrahydroxy aldehydic acids obtained by oxidation of hexose sugars, i.e. glucuronic acid, galacturonic acid, etc. Historically, the name hexuronic acid was originally given to ascorbic acid. Hexouronic Acids,Acids, Hexouronic,Acids, Hexuronic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000464 Alginates Salts and esters of ALGINIC ACID that are used as HYDROGELS; DENTAL IMPRESSION MATERIALS, and as absorbent materials for surgical dressings (BANDAGES, HYDROCOLLOID). They are also used to manufacture MICROSPHERES and NANOPARTICLES for DIAGNOSTIC REAGENT KITS and DRUG DELIVERY SYSTEMS. Alginate,Alginic Acid, Barium Salt,Alginic Acid, Calcium Salt,Alginic Acid, Copper Salt,Alginic Acid, Potassium Salt,Alginic Acid, Sodium Salt,Alloid G,Barium Alginate,Calcium Alginate,Calginat,Copper Alginate,Kalrostat,Kalrostat 2,Kaltostat,Potassium Alginate,Sodium Alginate,Sodium Calcium Alginate,Vocoloid,Xantalgin,poly(Mannuronic Acid), Sodium Salt,Alginate, Barium,Alginate, Calcium,Alginate, Copper,Alginate, Potassium,Alginate, Sodium,Alginate, Sodium Calcium,Calcium Alginate, Sodium
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D018914 Cells, Immobilized Microbial, plant, or animal cells which are immobilized by attachment to solid structures, usually a column matrix. A common use of immobilized cells is in biotechnology for the bioconversion of a substrate to a particular product. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Immobilized Cells,Cell, Immobilized,Immobilized Cell
D018929 Cell Culture Techniques Methods for maintaining or growing CELLS in vitro. Cell Culture,Cell Culture Technique,Cell Cultures,Culture Technique, Cell,Culture Techniques, Cell
D019902 Chondrocytes Polymorphic cells that form cartilage. Chondroblasts,Chondroblast,Chondrocyte
D020723 Glucuronic Acid A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES. Glucuronate,Glucuronic Acid, 6-(14)C-labeled, (D)-isomer,Glucuronic Acid, Monopotassium Salt,Glucuronic Acid, Monosodium Salt,Monopotassium Glucuronate,Monosodium Glucuronate,Glucuronate, Monopotassium,Glucuronate, Monosodium

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