Université de Fribourg

Raft-like lipid microdomains drive autophagy initiation via AMBRA1-ERLIN1 molecular association within MAMs

Manganelli, Valeria ; Matarrese, Paola ; Antonioli, Manuela ; Gambardella, Lucrezia ; Vescovo, Tiziana ; Gretzmeier, Christine ; Longo, Agostina ; Capozzi, Antonella ; Recalchi, Serena ; Riitano, Gloria ; Misasi, Roberta ; Dengjel, Jörn ; Malorni, Walter ; Fimia, Gian Maria ; Sorice, Maurizio ; Garofalo, Tina

In: Autophagy, 2020, p. 1-21

Mitochondria-associated membranes (MAMs) are essential communication subdomains of the endoplasmic reticulum (ER) that interact with mitochondria. We previously demonstrated that, upon macroautophagy/autophagy induction, AMBRA1 is recruited to the BECN1 complex and relocalizes to MAMs, where it regulates autophagy by interacting with raft-like components. ERLIN1 is an endoplasmic reticulum...

Université de Fribourg

Secretome of adipose-derived mesenchymal stem cells promotes skeletal muscle regeneration through synergistic action of extracellular vesicle cargo and soluble proteins

Mitchell, Robert ; Mellows, Ben ; Sheard, Jonathan ; Antonioli, Manuela ; Kretz, Oliver ; Chambers, David ; Zeuner, Marie-Theres ; Tomkins, James E. ; Denecke, Bernd ; Musante, Luca ; Joch, Barbara ; Debacq-Chainiaux, Florence ; Holthofer, Harry ; Ray, Steve ; Huber, Tobias B. ; Dengjel, Jörn ; De Coppi, Paolo ; Widera, Darius ; Patel, Ketan

In: Stem Cell Research & Therapy, 2019, vol. 10, no. 1, p. 116

The mechanisms underpinning the regenerative capabilities of mesenchymal stem cells (MSC) were originally thought to reside in their ability to recognise damaged tissue and to differentiate into specific cell types that would replace defective cells. However, recent work has shown that molecules produced by MSCs (secretome), particularly those packaged in extracellular vesicles (EVs), rather...