MyoGrad

Structural elements of muscle

P7

Subproject Speakers
Berlin: Michael Gotthardt, MD, Prof.
Paris:  Gisèle Bonne, PhD

The giant muscle protein titin functions as elastic scaffold to aid the orderly assembly of the sarcomere and determines the biomechanical properties of muscle. Both features depend on titin's protein domain composition, which is regulated by alternative splicing. Recently, additional functions for titin have been proposed based on its interaction with metabolic enzymes and proteins involved in signal transduction, as well as the titin kinase (TK) domain. The TK domain resides at titin's M-band and shows homology to the serine/threonine kinase domain of smooth muscle myosin-light chain kinase (MLCK) and the invertebrate muscle proteins twitching and stretching-MLCK. In our preliminary studies we used mouse genetics to address titin's role in cardiac signal transduction in vivo and uncovered crosstalk between adrenergic and titin signaling at the level of Ca2+ handling. Here, we will build on the data obtained in our conditional knockout of titin's M-band region that mimics the phenotype of human patients described by Dr. Ferreiro.

 

Completed theses

Students                                                                                  

MyoGrad PhD student from

Thesis project

Defence and degree

Maria Chatzifrangkeskou 2013-2016

Roles of ERK1/2 signaling in LMNA-cardiomyopathy

Defence on Nov 8, 2016 in Paris

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin

Laurianne Davignon 2011-2014 Identification and characterization of new genes associated to multiminicore disease 
Defence on Jan 20, 2015 in Paris

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin
Nada Essawy 2015-2018 Characterization of emerin LEM-domain missense mutations present in patients with exclusive atrial cardiac defects

Defence on Dec 12, 2018 in Berlin

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin

Martina Fischer 2013-2017 Mechanosensing defects and YAP-signaling in LMNA-related congenital muscular dystrophy
Defence on June 28, 2017 in Paris

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin
Coline Macquart 2014-2017 Role of the gap junctional protein connexin-43 in the cardiac disease caused by mutations in the gene encoding  A-type lamins 
Defence on Dec 14, 2017 in Paris

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin
Christopher Polack 2010-2015 Function of titin in striated muscles in health and disease
Defence on Aug 31, 2015 in Berlin

Doctoral degree from Freie Universität Berlin
Christine Schwartz 2012-2016 Muscle LIM Protein and Nesprin-1 in mechanotransduction
Defence on Sep 29, 2016 in Berlin

Joint doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6 and Freie Universität Berlin
Esma Ziat 2011-2015 Emery-Dreifuss muscular dystrophy-associated FHL1 gene mutations: study of molecular and functional consequences in skeletal muscle
Defence on Oct 14, 2015 in Paris

Doctoral degree from Université Pierre et Marie Curie (UPMC), Paris 6