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Research interests

Our aim is to elucidate the molecular mechanisms of muscle contraction and its regulation at the single cell level. Despite increasingly detailed knowledge from work with isolated proteins about the molecular structure of troponin and other myofilament components, the complexity of the regulatory mechanism, and the interaction between proteins in the structurally-constrained myofibril, makes it difficult to extrapolate from these studies of isolated components. We determine molecular structural changes of muscle regulatory proteins in their native in situ complexes on the physiological timescale by a fluorescence polarisation technique (FISS, Fluorescence for In Situ Structure). Our current research activities have an emphasis on investigating the molecular mechanisms of heart muscle activation that underlie physiological and pathological modulation of myofilament Ca2+-sensitivity by β-adrenergic stimulation, cardiotonic drugs, and troponin mutations associated with cardiomyopathy. Understanding of these mechanisms will underpin the future development of new drugs and therapies for the wide range of cardiac diseases in which myofilament Ca2+-sensitivity is altered.

Research interests (short)

Molecular mechanism of heart muscle regulation; fluorescence for in situ structure.

Click here for the Sun group webpage

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being

Education/Academic qualification

Doctor of Philosophy, Lund University

Award Date: 1 Jan 1996

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