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The heart’s electrical activity is regulated through complex processes operating on timescales from milliseconds to years. Cardiac arrhythmias result from abnormal electrical activity and are a frequent cause of death and disability. Stabilization of arrhythmias, promoting their maintenance for prolonged periods of time, is a major determinant of such adverse events, but its mechanisms are incompletely understood.
Research during the last 30 years has identified a wide range of molecular mechanisms that can promote cardiac arrhythmogenesis. Ca2+ ions have emerged as critical regulators of cardiac electrical activity (electrophysiology) and contractility. However, calcium-dependent regulation of cardiac electrophysiology transcends those acute (millisecond) timescales via signaling pathways modulating ion-channel function and expression over minutes to days. This calcium-dependent remodeling may be critical for arrhythmia stabilization and can significantly affect the efficacy and safety of antiarrhythmic therapies.
This 4-year PhD project is part of an NWO/ZonMW-funded Vidi project, in which you will join an international and interdisciplinary research team employing detailed mechanistic computer models of the electrical activity of individual heart muscle cells to better understand this long-term regulation of cardiac electrophysiology. You will delve into the fascinating world of so-called excitation-transcription coupling, developing new models with which calcium-dependent signaling pathways controlling the expression of genes regulating cellular electrophysiology can be simulated. This process plays a key role in all our 3 billion heart muscle cells and ensures, among other things, that a large fraction of the electrical components in your heart muscle cell are replaced on a daily basis. The results from this project will be connected to ongoing work simulating ion-channel trafficking. These models can then be employed to integrate available data, design future experiments, predict potential effects of (antiarrhythmic) drugs, thereby providing important new insights into the treatment of cardiac arrhythmias.
Besides working in a welcoming and stimulating translational research environment with a strong track record in publishing translational research with input from experimental scientists, engineers and clinicians, you will have the opportunity to participate in a wide range of courses, as well as seminar series, workshops, etc., to advance your skills. The CARIM School for Cardiovascular Diseases is one of the largest cardiovascular research centers in Europe, embedded within Maastricht University, one of the youngest and most international universities in The Netherlands, which has ranked within the top 10 of the Times Higher Education ranking of Young Universities for the last 10 years. Moreover, the city of Maastricht is a beautiful historic city with strong international character and excellent quality of life.
Fixed-term contract: 48 months (1+3 years).
Temporary employment of 1.0 FTE for 4 years. The first year will be a probation period, after a positive assessment the position will be extended for another 3 years.
Your salary would be € 2.443,- gross per month in the first year up to € 3.122,- gross per month in the fourth year according to the PhD-candidate salary scale. An 8% holiday and an 8.3% year-end allowance is also provided. Each year an evaluation will take place.
The terms of employment of Maastricht University are set out in the Collective Labour Agreement of Dutch Universities (CAO). Furthermore, local UM provisions also apply. For more information look at the website www.maastrichtuniversity.nl > About UM > Working at UM.
Maastricht University is renowned for its unique, innovative, problem-based learning system, which is characterized by a small-scale and student-oriented approach. Research at UM is characterized by a multidisciplinary and thematic approach, and is concentrated in research institutes and schools. Maastricht University has around 20,000 students and 4,700 employees. Reflecting the university's strong international profile, a fair amount of both students and staff are from abroad. The university hosts 6 faculties: Faculty of Health, Medicine and Life Sciences, Faculty of Law, School of Business and Economics, Faculty of Science and Engineering, Faculty of Arts and Social Sciences, Faculty of Psychology and Neuroscience. For more information, visit www.maastrichtuniversity.nl
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