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Open AccessJournal ArticleDOI

Mechanisms of mitophagy

TLDR
Mitophagy, the specific autophagic elimination of mitochondria, has been identified in yeast, and in mammals during red blood cell differentiation, mediated by NIP3-like protein X (NIX; also known as BNIP3L).
Abstract
Mitophagy is the selective elimination of mitochondria through autophagy Recent studies have uncovered the molecular mechanisms mediating mitophagy in yeast and mammalian cells and have revealed that the dysregulation of one of these mechanisms — the PINK1–parkin-mediated signalling pathway — may contribute to Parkinson's disease

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Autophagy: Renovation of Cells and Tissues

TL;DR: It is explored how recent mouse models in combination with advances in human genetics are providing key insights into how the impairment or activation of autophagy contributes to pathogenesis of diverse diseases, from neurodegenerative diseases such as Parkinson disease to inflammatory disorders such as Crohn disease.
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Molecular mechanisms of cell death: recommendations of the Nomenclature Committee on Cell Death 2018.

Lorenzo Galluzzi, +186 more
TL;DR: The Nomenclature Committee on Cell Death (NCCD) has formulated guidelines for the definition and interpretation of cell death from morphological, biochemical, and functional perspectives.
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The Role of Atg Proteins in Autophagosome Formation

TL;DR: The molecular mechanism of autophagosome formation is described with particular focus on the function of Atg proteins and the long-standing discussion regarding the origin of the autophagous membrane membrane.
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Mitochondria: In Sickness and in Health

TL;DR: This work provides a current view of how mitochondrial functions impinge on health and disease and identifies mitochondrial dysfunction as a key factor in a myriad of diseases, including neurodegenerative and metabolic disorders.
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Self-consumption: the interplay of autophagy and apoptosis

TL;DR: The dialogue between autophagy and cell death pathways influences the normal clearance of dying cells, as well as immune recognition of dead cell antigens, and the disruption of the relationship between autphagy and apoptosis has important pathophysiological consequences.
References
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Journal ArticleDOI

Mutations in the parkin gene cause autosomal recessive juvenile parkinsonism

TL;DR: Mutations in the newly identified gene appear to be responsible for the pathogenesis of Autosomal recessive juvenile parkinsonism, and the protein product is named ‘Parkin’.
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p62/SQSTM1 Binds Directly to Atg8/LC3 to Facilitate Degradation of Ubiquitinated Protein Aggregates by Autophagy

TL;DR: It is demonstrated that the previously reported aggresome-like induced structures containing ubiquitinated proteins in cytosolic bodies are dependent on p62 for their formation and p62 is required both for the formation and the degradation of polyubiquitin-containing bodies by autophagy.
Journal ArticleDOI

Parkin is recruited selectively to impaired mitochondria and promotes their autophagy

TL;DR: It is shown that Parkin is selectively recruited to dysfunctional mitochondria with low membrane potential in mammalian cells and this recruitment promotes autophagy of damaged mitochondria and implicate a failure to eliminate dysfunctional mitochondira in the pathogenesis of Parkinson's disease.

p62/SQSTM1 Binds Directly to Atg8/LC3 to Facilitate Degradation of Ubiquitinated Protein Aggregates

TL;DR: In this article, the authors showed that the polyubiquitin-binding protein p62/SQSTM1 is degraded by autophagy by using a 22-residue sequence of p62 containing an evolutionarily conserved motif.
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