Dysferlin mediates membrane tubulation and links T-tubule biogenesis to muscular dystrophy
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Dysferlin mediates membrane tubulation and links T-tubule biogenesis to muscular dystrophy. / Hofhuis, Julia; Bersch, Kristina; Büssenschütt, Ronja; Drzymalski, Marzena; Liebetanz, David; Nikolaev, Viacheslav O; Wagner, Stefan; Maier, Lars S; Gärtner, Jutta; Klinge, Lars; Thoms, Sven.
in: J CELL SCI, Jahrgang 130, Nr. 5, 01.03.2017, S. 841-852.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Dysferlin mediates membrane tubulation and links T-tubule biogenesis to muscular dystrophy
AU - Hofhuis, Julia
AU - Bersch, Kristina
AU - Büssenschütt, Ronja
AU - Drzymalski, Marzena
AU - Liebetanz, David
AU - Nikolaev, Viacheslav O
AU - Wagner, Stefan
AU - Maier, Lars S
AU - Gärtner, Jutta
AU - Klinge, Lars
AU - Thoms, Sven
N1 - © 2017. Published by The Company of Biologists Ltd.
PY - 2017/3/1
Y1 - 2017/3/1
N2 - The multi-C2 domain protein dysferlin localizes to the plasma membrane and the T-tubule system in skeletal muscle; however, its physiological mode of action is unknown. Mutations in the DYSF gene lead to autosomal recessive limb-girdle muscular dystrophy type 2B and Miyoshi myopathy. Here, we show that dysferlin has membrane tubulating capacity and that it shapes the T-tubule system. Dysferlin tubulates liposomes, generates a T-tubule-like membrane system in non-muscle cells, and links the recruitment of phosphatidylinositol 4,5-bisphosphate to the biogenesis of the T-tubule system. Pathogenic mutant forms interfere with all of these functions, indicating that muscular wasting and dystrophy are caused by the dysferlin mutants' inability to form a functional T-tubule membrane system.
AB - The multi-C2 domain protein dysferlin localizes to the plasma membrane and the T-tubule system in skeletal muscle; however, its physiological mode of action is unknown. Mutations in the DYSF gene lead to autosomal recessive limb-girdle muscular dystrophy type 2B and Miyoshi myopathy. Here, we show that dysferlin has membrane tubulating capacity and that it shapes the T-tubule system. Dysferlin tubulates liposomes, generates a T-tubule-like membrane system in non-muscle cells, and links the recruitment of phosphatidylinositol 4,5-bisphosphate to the biogenesis of the T-tubule system. Pathogenic mutant forms interfere with all of these functions, indicating that muscular wasting and dystrophy are caused by the dysferlin mutants' inability to form a functional T-tubule membrane system.
KW - Journal Article
U2 - 10.1242/jcs.198861
DO - 10.1242/jcs.198861
M3 - SCORING: Journal article
C2 - 28104817
VL - 130
SP - 841
EP - 852
JO - J CELL SCI
JF - J CELL SCI
SN - 0021-9533
IS - 5
ER -