Method for isolating cells from tissue with a composition containing collagenase and chymopapin

Proteolytic enzyme compositions and processes for digesting connective tissue are provided. The enzyme compositions include collagenase, which is essentially free of toxins and non-collagen specific components, and chymopapain, which is essentially free of toxins. The enzyme compositions are used fo...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, CATHERINE T, DINH, TAN T, HORNACEK, CYNTHIA
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS VINEGAR WINE
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Beschreibung
Zusammenfassung:	Proteolytic enzyme compositions and processes for digesting connective tissue are provided. The enzyme compositions include collagenase, which is essentially free of toxins and non-collagen specific components, and chymopapain, which is essentially free of toxins. The enzyme compositions are used for dissociating microvessel cells from connective tissue. Recovered microvessel cells are incorporated into artificial vessel grafts. The composition preferrably contains collagenase having an activity of about 43 nkat/ml to about 51 nkat/ml and chymopapin having an activity of about 0.22 nkat/ml to about 0.44 nkat/ml.