Articles tagged with Mitophagy
A new study finds nicotinamide riboside chloride protects neurons from alcohol-induced injury by restoring mitochondrial quality control through coordinated activation of the mitochondrial unfolded protein response (UPRmt) and mitophagy. NRC supplementation successfully reverses aggravated pathology, mitigating cognitive impairments an...
Researchers review the molecular mechanisms of mitophagy in breast cancer, highlighting its potential as a biomarker and therapeutic target. The study suggests that strategic modulation of mitophagy can enhance personalized treatment approaches for BC.
Researchers found that a protein linked to Alzheimer's disease also strengthens the immune system, offering insights into innovative treatments for cancer, aging and neurodegenerative diseases. The protein, amyloid beta, plays a dual role in the body by damaging brain cells while boosting T-cells' energy production.
Breast cancer metastasis relies heavily on mitochondrial oxidative metabolism, with adaptations including lipid metabolism and oxidative phosphorylation. Targeting mitochondrial fission, fusion, and mitophagy shows promise in preclinical models, while challenges remain due to heterogeneity and drug resistance.
The five-year grant will aid researchers in understanding the underlying biology of several diseases by studying mitophagy, a process that degrades damaged mitochondria. By examining how genetic modifications affect mitophagy, researchers may discover new methods to address conditions like Parkinson's disease and diabetes.
Mitophagy, a recycling process crucial for cellular health, increases and then declines in midlife brain cells, while lysosomes lose acidity with age. The study highlights the importance of developing new perspectives when studying brain aging in longer-lived species.
Researchers at USC Dornsife discover that mifepristone increases mitophagy to the same extent as rapamycin, potentially extending lifespan. The study found that combining the two drugs does not offer additional benefits and slightly reduces lifespan, suggesting they act through the same biological pathway.
Two proteins, NAP1 and SINTBAD, have been discovered as regulators of mitophagy in cells. This discovery opens a new area of focus for researchers targeting drug therapies to boost mitophagy activity and promote mitochondrial and neuronal health.
An interdisciplinary team at MUSC Hollings Cancer Center discovered how P. gingivalis interferes with mitophagy, allowing oral cancer tumors to become resistant to chemotherapy. The study identified the role of fimbriae in attaching to specific proteins on the mitophagic membrane, blocking the chemotherapy drug from its attachment point.
Researchers have developed a model to enrich sub-populations of cancer cells with high basal levels of mitophagy, promoting CSC features such as self-renewal, proliferation, and drug-resistance. This study highlights the importance of BNIP3/BNIP3L in maintaining cancer stem cell properties.
A review of mitochondrial energy metabolism in diabetic cardiomyopathy reveals disrupted dynamics and oxidative stress as key triggers. Targeted therapies, such as antioxidants and ketogenic diets, show promise in combating this debilitating condition.
Cells use autophagy as a recycling system to transport and break down damaged organelles, including mitochondria. A recent study reveals the molecular details of how an enzyme called TBK1 participates in mitophagy, a disease-relevant process linked to Parkinson's disease.
A team of researchers from the Medical University of South Carolina has discovered a novel protective response by which the brain naturally repairs itself after traumatic brain injury. Protein p17 plays a crucial role in this process, triggering the restorative mechanism of mitophagy to remove damaged tissue and initiate healing.
A study published in PNAS reveals that HKDC1 protein plays a crucial role in maintaining mitochondrial and lysosomal function, thereby preventing cellular senescence. The researchers found that HKDC1 helps regulate the removal of damaged mitochondria through mitophagy and facilitates lysosomal repair.
Researchers at Buck Institute identified a new drug-like molecule that keeps mitochondria healthy via mitophagy, a process that removes and recycles damaged mitochondria. The compound, MIC, extended lifespan in worms and improved mitochondrial function in mouse muscle cells.
A new Northwestern Medicine study reveals that a dysfunction in the neuron's synapses leads to deficits in dopamine and precedes neurodegeneration in Parkinson's disease. The findings suggest targeting dysfunctional synapses before neurons degenerate may represent a better therapeutic strategy.
Researchers found that resistance to leukemia treatment occurs due to rapid increase in mitochondria breakdown and turnover, allowing cells to evade death signals. A new combination of chloroquine and venetoclax restores the drug's ability to kill cancer cells by targeting a specific mitochondrial process.
Researchers used AI to analyze literature describing compounds that enhance mitophagy, a process damaged in Parkinson's disease. Probucol, a cholesterol-lowering drug, was identified as the most effective compound with improved motor function and neuron loss in animal models.
Researchers identified urolithin A as a compound that improves function of immune cells against cancer. The study found that urolithin A induces mitophagy in T cells, recycling and renewing mitochondria to enhance tumor-fighting capabilities.
Research finds that excessive mitochondrial damage caused by alcohol exposure can lead to chronic liver disease. Mitochondrial depolarization triggers mitophagy, a process removing damaged mitochondria; however, constant removal causes additional liver tissue damage.
Researchers discovered that lipid droplets play a crucial role in mitochondrial recycling, and impairing DGAT1 activity leads to reduced recycling and increased cell stress. The study provides new insights into iron homeostasis and its impact on cellular metabolism.
Researchers discovered that deficient mitophagy leads to human disease and developed a method to analyze mitochondrial recycling in diseased muscle. Pharmacological activation of mitophagy reversed the progression of mitochondrial muscle disease, offering potential treatment for this condition.
Scientists discovered a new mitochondrial recycling pathway that may help prevent Parkinson's disease. The study, published in Science Advances, reveals that genes associated with Parkinson's disease play key roles in this process and that disruptions can contribute to neurodegeneration.
A new fluorescent reporter mouse line enables direct analysis of mitophagy activity in vivo. Increased levels of mitophagy activity were observed in atrophic soleus muscles following hindlimb immobilization, revealing muscle disuse increases mitophagy.
Researchers have found that Urolithin A can delay the progression of Duchenne Muscle Dystrophy in mice by restoring mitochondrial activity and increasing mitophagy. This natural compound has shown promise in improving muscle health and performance, with significant increases in grip strength and running performance.
Researchers at Tokyo Metropolitan Institute of Medical Science revealed a novel mechanism by which OPTN and ATG9A induce mitophagy, accelerating the autophagic degradation of damaged mitochondria. This interaction is crucial for PINK1/Parkin-mediated mitophagy in Parkinson's disease.
Researchers at Penn Medicine discovered that ANT is crucial for mitophagy, a quality control process removing damaged mitochondria, and found that mutations leading to defective quality control cause heart disease. The study reveals ANT's two distinct roles: producing ATP and regulating mitophagy.
Researchers have discovered that Miro2 functions as a platform for Parkin recognition and translocation to damaged mitochondria. This process is crucial for the accurate removal of dysfunctional mitochondria, which is linked to various human diseases.
Scientists found that NIPSNAP proteins function as 'eat me' signals on damaged mitochondria, recruiting cellular machinery for mitophagy. In a zebrafish model, animals lacking NIPSNAP1 protein died within five days due to impaired mitochondrial clearance, highlighting its importance in maintaining dopaminergic neurons.
A new study suggests that impaired mitophagy, the process of removing defective mitochondria from brain cells, is a key contributor to Alzheimer's disease. By boosting mitophagy, researchers were able to slow down the accumulation of toxic proteins and reverse cognitive deficits in animal models.
Researchers identified a link between the RNA-binding protein PUM2 and age-related decline in cellular function. Targeting PUM2 restored mitochondrial dynamics and mitophagy, leading to improved mitochondrial function and increased lifespan.
Researchers identify essential switch AMPK that activates mitophagy in leukemia stem cells, offering potential new treatments for acute myeloid leukemia. Without AMPK, LSCs are stressed to death, highlighting the need for targeted therapies.
Researchers discovered that genetic variations in ATAD3A are associated with rare neurological syndromes, including global developmental delay and visual, neurological, and heart problems. A study using Drosophila melanogaster revealed that mutations in the gene cause an aberrant phenotype in mitochondria.
Scientists at the NIH discovered that PINK1 triggers an intricate process called mitophagy, which breaks down and removes damaged mitochondria from cells. This discovery suggests a new avenue for treating diseases like ALS and Parkinson's by boosting the disposal of damaged mitochondria.
The Bcl-Rambo protein is involved in safely clearing damaged mitochondria from cells, a process called mitophagy. Controlled regulation of this protein may help limit the development of heart failure. Further research is needed to develop methods to control its activity.
A study published in Nature Neuroscience reveals that genetic mutations linked to Parkinson's disease can cause problems with mitophagy, a process essential for eliminating damaged cells. The research suggests that targeting this pathway could lead to the development of more effective drug treatments.
A team of EPFL researchers has identified a key step in the manufacture of red blood cells, revealing the subtle regulatory mechanisms that direct their birth. The discovery highlights the importance of mitophagy, the elimination of mitochondrial respiratory apparatus, and its modulation by KRAB-containing zinc finger proteins and KAP1.