grant

Improving muscle function after injury: Novel tissue engineering strategies for exercise, surgery and sports medicine [ 2007 - 2009 ]

Also known as: Improving muscle function after injury

Research Grant

[Cite as https://purl.org/au-research/grants/nhmrc/454561]

Researchers: Prof Gordon Lynch (Principal investigator) ,  E/Pr Wayne Morrison Prof Geoff Stevens

Brief description Muscles can be injured by excessive strains when playing sports, in road and workplace accidents, and during plastic and reconstructive surgery. Some surgeries require an unavoidable interruption to the muscle's normal blood supply (called 'ischaemia'). Subsequent return of the muscle's blood supply (reperfusion) is problematic in that a severe secondary muscle injury can ensue mediated by the influx of damaging free radicals when blood flow is restored. Tissue-engineering provides a novel therapeutic approach to restore muscle structure and function to damaged muscles after injury or disease. Our recent research using controlled release of growth factors from biodegradable hydrogels has exciting application for muscle repairafter injury. We will utilize these cutting edge tissue engineering strategies to deliver to damaged muscles a hydrogel containing controlled delivery (slow release) microcapsules loaded with an anabolic agent (the beta-agonist, formoterol) and-or a growth factor (IL-15) designed to enhance functional muscle repair after three distinct but clinically relevant models of muscle injury: a) crush injury: A model for muscle injuries on the sports field, in the workplace, and those associated with road trauma; b) ischaemia-reperfusion injury: a model for muscle damage associated with surgical interventions, muscle transfers for functional restoration, and other injuries associated with plastic and reconstructive surgery; and c) contraction-induced injury: a model for strain injuries such as hamstring muscle tears that can occur on the sports field. After injury we will assess functional muscle repair using a comprehensive series of histological, biochemical, molecular, immunochistochemical, and physiological techniques. The research has broad application to exercise and clinical medicine; including sports, emergency and rehabilitation medicine, and plastic, reconstructive, and orthopaedic surgery.

Funding Amount $AUD 288,210.05

Funding Scheme NHMRC Project Grants

Notes Standard Project Grant

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