Results 71 to 80 of about 75,749 (306)

Exploiting metabolic adaptations to overcome dabrafenib treatment resistance in melanoma cells

Molecular Oncology, EarlyView.
We show that dabrafenib‐resistant melanoma cells undergo mitochondrial remodeling, leading to elevated respiration and ROS production balanced by stronger antioxidant defenses. This altered redox state promotes survival despite mitochondrial damage but renders resistant cells highly vulnerable to ROS‐inducing compounds such as PEITC, highlighting redox
Silvia Eller, Susanne Ebner, Carmen Haselrieder, Julia K. Günther, Astrid Drasche, Sophie Strich, Chiara Volani, Andrea Medici, Aleksandar Nikolajevic, Alex Deltedesco, Johannes E. Sigmund, Michael J. Blumer, Martin Hermann, Johanna Vanacker, Gerald Brandacher, Eduard Stefan, Omar Torres‐Quesada, Jakob Troppmair   +17 more
wiley   +1 more source

Proteinopathy, oxidative stress and mitochondrial dysfunction: cross talk in alzheimer’s disease and parkinson’s disease [PDF]

, 2017
Alzheimer's disease and Parkinson's disease are two common neurodegenerative diseases of the elderly people that have devastating effects in terms of morbidity and mortality.
Chakrabarti, S., Chatterjee, U., Ganguly, G., Saso, L.   +3 more
core   +3 more sources

Mitophagy and heart failure [PDF]

Journal of Molecular Medicine, 2015
Cardiac mitochondria are responsible for generating energy in the form of ATP through oxidative phosphorylation and are crucial for cardiac function. Mitochondrial dysfunction is a major contributor to loss of myocytes and development of heart failure.
Sarah E, Shires, Åsa B, Gustafsson
openaire   +2 more sources

Mitophagy in metabolic syndrome

The Journal of Clinical Hypertension, 2023
AbstractMetabolic syndrome (MS), a chronic and non‐communicable pathological condition, is characterized by a constellation of clinical manifestations including insulin resistance, abdominal adiposity, elevated blood pressure, and perturbations in lipid metabolism.
Mei‐Qi Miao, Yu‐Bo Han, Li Liu
openaire   +3 more sources

SIRT4 positively regulates autophagy via ULK1, but independently of HDAC6 and OPA1

FEBS Open Bio, EarlyView.
Cells expressing SIRT4 (H161Y), a catalytically inactive mutant of the sirtuin SIRT4, fail to upregulate LC3B‐II and exhibit a reduced autophagic flux under stress conditions. Interestingly, SIRT4(H161Y) promotes phosphorylation of ULK1 at S638 and S758 that are associated with inhibition of autophagy initiation.
Isabell Lehmkuhl, Khawar Amin, Lydia Gabriel, Nils Hampel, Afshin Iram, Julia Hesse, Constanze Wiek, Jasmin Thuy Vy Nguyen, Helmut Hanenberg, Jürgen Scheller, M. Reza Ahmadian, Björn Stork, Doreen M. Floss, Roland P. Piekorz   +13 more
wiley   +1 more source

Parkin uses the UPS to ship off dysfunctional mitochondria [PDF]

, 2011
Parkin is a ubiquitin E3 ligase that is implicated in familial Parkinson disease (PD). Previous studies have established its role in mitophagy, a pathway whereby dysfunctional mitochondria are targeted for autophagic degradation.
Chan, David C., Chan, Nickie C.
core  

Measuring In Vivo Mitophagy [PDF]

Molecular Cell, 2015
Alterations in mitophagy have been increasingly linked to aging and age-related diseases. There are, however, no convenient methods to analyze mitophagy in vivo. Here, we describe a transgenic mouse model in which we expressed a mitochondrial-targeted form of the fluorescent reporter Keima (mt-Keima). Keima is a coral-derived protein that exhibits both
Sun, Nuo, Yun, Jeanho, Liu, Jie, Malide, Daniela, Liu, Chengyu, Rovira, Ilsa I., Holmström, Kira M., Fergusson, Maria M., Yoo, Young Hyun, Combs, Christian A., Finkel, Toren   +10 more
openaire   +2 more sources

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

FEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid, Rapasviranda Soiyangsuk, Maneeluck Tanadjindarat, Chayanon Peerapittayamongkol   +3 more
wiley   +1 more source

The selectivity and specificity of autophagy in drosophila [PDF]

, 2012
Autophagy is a process of cellular self-degradation and is a major pathway for elimination of cytoplasmic material by the lysosomes. Autophagy is responsible for the degradation of damaged organelles and protein aggregates and therefore plays a ...
Chou, Clark, Contamine, Deng, Dezelee, Finley, Fouillet, Goto, Kadandale, McPhee, Midorikawa, Nezis, Nisoli, Novak, Orvedahl, Pankiv, Park, Rello-Varona, Schweers, Shoji, Simonsen, Tian, Webb, Wild, Wyers, Yu, Yu, Ziviani   +27 more
core   +2 more sources

Meta‐analysis fails to show any correlation between protein abundance and ubiquitination changes

FEBS Open Bio, EarlyView.
We analyzed over 50 published proteomics datasets to explore the relationship between protein levels and ubiquitination changes across multiple experimental conditions and biological systems. Although ubiquitination is often associated with protein degradation, our analysis shows that changes in ubiquitination do not globally correlate with changes in ...
Nerea Osinalde, Unai Alduntzin, Gorka Prieto, Ugo Mayor   +3 more
wiley   +1 more source