Maurizio Molinari

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Publications associées (57)

ER-to-lysosome-associated degradation in a nutshell: mammalian, yeast, and plant ER-phagy as induced by misfolded proteins

Maurizio Molinari

Conserved catabolic pathways operate to remove aberrant polypeptides from the endoplasmic reticulum (ER), the major biosynthetic organelle of eukaryotic cells. The best known are the ER-associated degradation (ERAD) pathways that control the retrotransloca ...

2023

TMX4-driven LINC complex disassembly and asymmetric autophagy of the nuclear envelope upon acute ER stress

Maurizio Molinari

The endoplasmic reticulum(ER) is an organelle of nucleated cells that produces proteins, lipids and oligosaccharides. ER volume and activity are increased upon induction of unfolded protein responses (UPR) and are reduced upon activation of ER-phagy progra ...

Nature Research2023

Er-Phagy: Mechanisms, Regulation, And Diseases Connected To The Lysosomal Clearance Of The Endoplasmic Reticulum

Maurizio Molinari

ER-phagy (reticulophagy) defines the degradation of portions of the endoplasmic reticulum (ER) within lysosomes or vacuoles. It is part of the self-digestion (i.e., autophagic) programs recycling cytoplasmic material and organelles, which rapidly mobilize ...

2022

Selective involvement of UGGT variant: UGGT2 in protecting mouse embryonic fibroblasts from saturated lipid-induced ER stress

Maurizio Molinari

Secretory proteins and lipids are biosynthesized in the endoplasmic reticulum (ER). The "protein quality control" system (PQC) monitors glycoprotein folding and supports the elimination of terminally misfolded polypeptides. A key component of the PQC syste ...

National Academy of Sciences2022

Guidelines for the use and interpretation of assays for monitoring autophagy (4th edition)

Maurizio Molinari, Olaia Maria Naveiras Torres-Quiroga

In 2008, we published the first set of guidelines for standardizing research in autophagy. Since then, this topic has received increasing attention, and many scientists have entered the field. Our knowledge base and relevant new technologies have also been ...

2021

ER-phagy responses in yeast, plants, and mammalian cells and their crosstalk with UPR and ERAD

Maurizio Molinari

ER-phagy, literally endoplasmic reticulum (ER)-eating, defines the constitutive or regulated clearance of ER portions within metazoan endolysosomes or yeast and plant vacuoles. The advent of electron microscopy led to the first observations of ER-phagy ove ...

Cell Press - Elsevier2021

N-glycan processing selects ERAD-resistant misfolded proteins for ER-to-lysosome-associated degradation

Maurizio Molinari

Efficient degradation of by-products of protein biogenesis maintains cellular fitness. Strikingly, the major biosynthetic compartment in eukaryotic cells, the endoplasmic reticulum (ER), lacks degradative machineries. Misfolded proteins in the ER are trans ...

2021

ER-phagy: Eating the Factory

Maurizio Molinari

Liang et al. (2020) reports on a genome-wide screen that reveals new aspects of starvation-induced degradation of the endoplasmic reticulum. ...

2020

Deep learning approach for quantification of organelles and misfolded polypeptide delivery within degradative compartments

Maurizio Molinari

Endolysosomal compartments maintain cellular fitness by clearing dysfunctional organelles and proteins from cells. Modulation of their activity offers therapeutic opportunities. Quantification of cargo delivery to and/or accumulation within endolysosomes i ...

2020

Thioredoxin-Related Transmembrane Proteins: TMX1 and Little Brothers TMX2, TMX3, TMX4 and TMX5

Maurizio Molinari

The endoplasmic reticulum (ER) is site of synthesis and maturation of membrane and secretory proteins in eukaryotic cells. The ER contains more than 20 members of the Protein Disulfide Isomerase (PDI) family. These enzymes regulate formation, isomerization ...

2020

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