Interuniversity Institute of Myology. 2026. “07 | Role of GDF5 on Macrophage Polarization in the Maintenance of Muscle Mass and Function and During Aging: Maxime Gelin1, E. Hemery1, F. Truffault1, G. Juban2, C. Perrotta3, F. Pietri-Rouxel1, M. Traoré1, S. Falcone1 | 1Centre De Recherche En Myologie – U974 INSERM, Sorbonne Université, Institut De Myologie, Paris, France; 2Institut NeuroMyoGène, Physiopathologie Et Génétique Du Neurone Et Du Muscle Université Claude Bernard Lyon 1, CNRS U5261, Inserm U1315, University Lyon, Lyon, France; 3Department of Biomedical and Clinical Sciences Università Degli Studi Di Milano, Milan, Italy. | M. Traoré and S. Falcone Contributed Equally to This Work and Corresponding Authors. s.falcone@institut-myologie.org; m.traore@institut-myologie.Org”. European Journal of Translational Myology 36 (s2). https://doi.org/10.4081/ejtm.2026.15455.