Articles tagged with Cellular Degradation
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Research led by University of Notre Dame biologist Jason Rohr found that chronic exposure to the insecticide chlorpyrifos causes fish to age faster at the cellular level, leading to accelerated aging and reduced lifespan. The study suggests that low-level exposures can silently accumulate damage over time.
Scientists have identified a previously unknown genetic disease, MINA syndrome, which damages motor neurons and affects movement and muscle control. The disease is caused by a rare genetic mutation in the NAMPT protein, leading to symptoms such as muscle weakness, loss of coordination, and foot deformities.
Scientists discovered that the APOE4 gene blocks brain cells from using alternative energy sources as we age, significantly increasing Alzheimer's risk. This knowledge could pave the way for new treatments by targeting lipid metabolism.
Researchers discovered a ubiquitin precursor form, CxUb, that amplifies abnormal protein destruction under stress, supporting healthy regeneration. This unique mechanism may lead to improved therapies for cancer and neurodegenerative diseases.
A new study from Aarhus University reveals how cells slice built-up protein clumps into manageable pieces to eliminate waste. Researchers discovered a key mechanism involving the proteasomal 19S subunit, which could lead to enhanced autophagy and improved treatments for neurodegenerative diseases.
A team of researchers from Aarhus University has identified the molecular 'switch' regulating autophagy, a process by which cells recycle unwanted materials. The discovery could lead to new treatments for diseases such as cancer, neurodegeneration, and infection.
Researchers have discovered a key cellular mechanism regulating mRNA vaccine delivery and stability, proposing a new paradigm for mRNA therapeutics. The study highlights the importance of N1-methylpseudouridine modification in enhancing mRNA vaccine effectiveness.
Researchers at the University of Turku found that nanocellulose dyed with red onion skin extract provides very effective UV protection for solar cells. The film protected 99.9% of UV radiation up to 400 nanometres and maintained its performance throughout a long testing period.
Researchers have discovered a protein called MdfA that enables bacteria to shut down into dormant spores under extreme conditions. This process allows bacteria to survive in uninhabitable places and evade hospital cleaning, making them potentially deadly superbugs.
A new study from Weizmann Institute of Science reveals an immune mechanism involving proteasome products, which can kill bacteria and offer a promising treatment for infections. The researchers discovered that certain peptides produced by the proteasome have antibacterial properties and can be used to develop personalized treatments.
Researchers have discovered a way to trap iodine in perovskite solar cells using alumina nanoparticles, enhancing lifespan and stability. The modified solar cells maintained high performance for over two months under extreme conditions.
Researchers found that applying external pressures can alleviate Li loss and battery degradation by alleviating SEI aggregation. Pressure regulation can rejuvenate I-iLi, reducing its content and Li loss. The study suggests a promising approach for advancing practical Li metal batteries.
A recent study by Ritsumeikan University researchers analyzed the durability of flexible perovskite solar cells under damp heat conditions. The findings revealed that high humidity leads to degradation, while a high-quality barrier film retained most power conversion efficiency, making it crucial for long-term stability.
Macronucleophagy helps maintain cell viability in nitrogen-starved yeast by modulating micronucleophagy. Uncontrolled micronucleophagy causes cell death, but a critical role for macronucleophagy was found to prevent this.
Researchers at the University of Surrey have developed a strategy to improve both the performance and stability of perovskite-based solar cells. By introducing an iodine-reducing agent, they increased the efficiency and extended the lifespan of the devices.
Researchers at North Carolina State University identify molecular property of lignin that determines ease of using microbial fermentation to turn trees into industrial chemicals. The discovery could lead to more sustainable alternatives to petroleum-based chemicals.
Researchers found that foamed cellulose diacetate (CDA) degrades 15 times faster than solid CDA and even faster than paper. The study's results suggest that foamed CDA could be used to replace Styrofoam plastic and single-use plastics, reducing plastic pollution and environmental impacts.
Researchers at Michigan Medicine have discovered a new subtype of aggressive prostate cancer and identified a potential degrader to target it. The study found that a genetic alteration in the CDK12 gene drives cancer development, and a degrader targeting this gene shows promise in destroying cancer cells.
Researchers found that obstructive sleep apnea increases the susceptibility of mice to develop abdominal aortic aneurysms, likely caused by intermittent hypoxia triggering enzyme activity that degrades the extracellular matrix. This degradation weakens the aorta, making it more prone to rupture.
Researchers at the University of Dundee and Boehringer Ingelheim have developed a breakthrough small-molecule drug, ACBI3, which targets and degrades the KRAS gene. The compound has shown high potency and selectivity in eliminating 13 out of 17 most common KRAS mutants.
Researchers at Tel Aviv University discovered that aneuploid cells, which have an abnormal number of chromosomes, are more susceptible to certain types of anticancer drugs. The studies found that disrupting the MAPK pathway increases the sensitivity of these cancer cells to chemotherapy.
A study published in Nature Cardiovascular Research reveals that a dynamic synergy between cell types facilitates cardiac renewal, challenging existing paradigms. Targeting the microenvironment rather than specific cell types is key to healing injured hearts.
A team of scientists led by Professor Ivan Đikić and Christian Hübner identified the role of ubiquitin in regulating ER-phagy, a process involved in the degradation of the endoplasmic reticulum. This discovery sheds light on neurodegenerative diseases caused by defective FAM134B and ARL6IP1 proteins.
Researchers have identified distinct senescence subpopulations and dynamic changes in the transcriptome of human cells undergoing senescence. The study provides new understanding of the heterogeneous nature of senescence and its impact on aging diseases.
Researchers discovered a new gene, ZBTB11, that drives heart muscle cell degeneration in arrhythmogenic cardiomyopathy. The gene's activity induces damage to neighboring heart cells, a key process in the disease.
A team of researchers from Kumamoto University has developed a transformable polyrotaxane carrier that can facilitate genome editing using Cas9RNP with high efficiency. The carrier, called amino-PRX, is multi-step transformable and has low cytotoxicity, making it an enormously promising candidate for safe and efficient delivery.
Scientists at the University of Münster and Max Planck Institute have clarified the molecular basis for cellular degradation processes by elucidating the 3D structure of Mon1/Ccz1. The complex determines which vesicles deliver their content to the lysosome, a key step in protein regulation.
Research suggests that obesity triggers inflammation, leading to an increase in myeloid-derived suppressor cells, which break down bone tissue. This can result in gum disease and tooth loss. The study found a significant link between high-fat diets and increased osteoclasts and alveolar bone destruction.
Scientists have created an ultrathin organic solar cell with a high energy conversion ratio of 13% and long-term storage stability. The research used a simple post-annealing process to increase durability, achieving both efficiency and longevity.