The lipid composition of autophagic vacuoles regulates expression of multilamellar bodies

P Lajoie, G Guay, JW Dennis… - Journal of cell …, 2005 - journals.biologists.com
Multilamellar bodies (MLBs) are responsible for surfactant secretion in type II alveolar cells
but also accumulate in other cell types under pathological conditions, including cancer and …

Biogenesis of multilamellar bodies via autophagy

M Hariri, G Millane, MP Guimond, G Guay… - Molecular biology of …, 2000 - Am Soc Cell Biol
Transfection of Mv1Lu mink lung type II alveolar cells with β1–6-N-acetylglucosaminyl
transferase V is associated with the expression of large lysosomal vacuoles, which are …

V-ATPase and osmotic imbalances activate endolysosomal LC3 lipidation

O Florey, N Gammoh, SE Kim, X Jiang, M Overholtzer - Autophagy, 2015 - Taylor & Francis
Recently a noncanonical activity of autophagy proteins has been discovered that targets
lipidation of microtubule-associated protein 1 light chain 3 (LC3) onto macroendocytic …

Lysosome membrane lipid microdomains: novel regulators of chaperone‐mediated autophagy

S Kaushik, AC Massey, AM Cuervo - The EMBO journal, 2006 - embopress.org
Chaperone‐mediated autophagy (CMA) is a selective mechanism for the degradation of
soluble cytosolic proteins in lysosomes. The limiting step of this type of autophagy is the …

Induction of autophagy promotes fusion of multivesicular bodies with autophagic vacuoles in k562 cells

CM Fader, D Sánchez, M Furlán, MI Colombo - Traffic, 2008 - Wiley Online Library
Morphological and biochemical studies have shown that autophagosomes fuse with
endosomes forming the so‐called amphisomes, a prelysosomal hybrid organelle. In the …

Chaperone‐mediated autophagy is defective in mucolipidosis type IV

B Venugopal, NT Mesires, JC Kennedy… - Journal of cellular …, 2009 - Wiley Online Library
Mucolipidosis type IV (MLIV) is a lysosomal storage disorder caused by mutations in the
MCOLN1 gene, a member of the transient receptor potential (TRP) cation channel gene …

Induction of genuine autophagy by cationic lipids in mammalian cells

N Man, Y Chen, F Zheng, W Zhou, LP Wen - Autophagy, 2010 - Taylor & Francis
Autophagy is a cellular stress response that results in the activation of a lysosomal
degradation pathway. In this report, we showed that cationic lipids, a common-used class of …

CUP-5, the C. elegans ortholog of the mammalian lysosomal channel protein MLN1/TRPML1, is required for proteolytic degradation in autolysosomes

T Sun, X Wang, Q Lu, H Ren, H Zhang - Autophagy, 2011 - Taylor & Francis
The process of macroautophagy (herein referred to as autophagy) involves the formation of
a closed double-membrane structure, called the autophagosome, and its subsequent fusion …

TRPML1 links lysosomal calcium to autophagosome biogenesis through the activation of the CaMKKβ/VPS34 pathway

A Scotto Rosato, S Montefusco, C Soldati… - Nature …, 2019 - nature.com
The lysosomal calcium channel TRPML1, whose mutations cause the lysosomal storage
disorder (LSD) mucolipidosis type IV (MLIV), contributes to upregulate autophagic genes by …

Direct lysosome-based autophagy of lipid droplets in hepatocytes

RJ Schulze, EW Krueger, SG Weller… - Proceedings of the …, 2020 - National Acad Sciences
Hepatocytes metabolize energy-rich cytoplasmic lipid droplets (LDs) in the lysosome-
directed process of autophagy. An organelle-selective form of this process (macrolipophagy) …