WestminsterResearch

Tissue engineering of biological cardiovascular system surrogates

Sarraf, Catherine and Harris, Andrew B. and McCulloch, Andrew D. and Eastwood, Mark (2002) Tissue engineering of biological cardiovascular system surrogates. Heart, Lung & Circulation, 11 (3). pp. 142-150. ISSN 1443-9506

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Official URL: http://www.blackwell-synergy.com/doi/pdf/10.1046/j...

Abstract

Cardiovascular diseases are common in ageing communities globally. This fact is most striking in the industrialised world where the aged population makes up a large proportion of society. Elderly patients are frequently treated surgically with grafts to replace damaged tissues and vessels. The number of human-donated components is insufficient and synthetic surrogates are sought. These might be wholly mechanical, wholly biological, or tissue engineered complexes of cells and their products growing in a scaffold. At present, many such composites exist with potential for use as substitutes for specific blood vessels. The challenges of producing tissue engineered heart valves are now being widely explored. Neotissues must provide an effective, durable, non-thrombogenic and non-immunogenic substitute that will fulfil the purpose of the natural tissue. The aims and scope of this paper are to review current and novel concepts in the field of tissue engineering of biological cardiovascular system surrogates. Mechanical stresses and strains on cardiovascular cells in vitro have been recognised and can be measured by a culture force monitor. Physiological stresses can be generated by a tensioning culture force monitor and applied to engineered tissue, aligning the cells and mimicking arterial wall architecture. The hydrostatic forces a vessel experiences and mechanical parameters of blood vessels can be studied in the tubular culture system of a multi-cue bioreactor.

Item Type:Article
Additional Information:Online ISSN 1444-2892
Research Community:University of Westminster > Life Sciences, School of
ID Code:254
Deposited On:01 Dec 2005
Last Modified:23 Dec 2009 15:30

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