New discoveries about the mechanisms of oxidative phosphorylation reveal a novel role for sodium in mitochondrial respiration. This correction aims to update textbooks on the electron transport chain, highlighting a significant shift from previous understanding.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalTrends in Biochemical Sciences·DateFeb 19, 2025
Researchers at SickKids have identified a novel recycling mechanism in mitochondria that allows damaged cristae to be removed and replaced, restoring normal function. This discovery could lead to new treatments for conditions characterized by mitochondrial dysfunction.
SourceThe Hospital for Sick Children·JournalNature·DateAug 21, 2024
Apple iPhone 17 Pro
Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
Researchers have discovered a new type of beige fat cells that consume energy and produce heat through a futile-cycle mechanism, known as the 'Sisyphus mechanism'. These cells are found in adults and help break down excess fat, leading to improved metabolic health and reduced risk of obesity.
Researchers have revealed a revolutionary new understanding of how proteins enter mitochondria, correcting long-held assumptions about the TIM complex. High-resolution cryo-electron microscopy data and advanced biochemical methods were used to re-evaluate old data and map functional organization in great detail.
SourceSaarland University·JournalNature·TypeExperimental study·DateOct 12, 2023
Researchers at Saarland University have identified a crucial mechanism in the human OPA1 protein that enables optimal energy conversion in mitochondria. This breakthrough could lead to customized therapeutic solutions for patients with OPA1-related diseases.
SourceSaarland University·JournalNature·TypeExperimental study·DateOct 12, 2023
Researchers at the Lewis Katz School of Medicine found that calcium sensor MICU1 regulates mitochondrial ultrastructure, governing inner and outer mitochondrial membrane structure. This discovery provides a framework for understanding cellular energetics and cell death, with implications for diseases such as cardiovascular disease.
SourceTemple University Health System·JournalScience Signaling·DateMay 10, 2023
Scientists have successfully delivered a common blood pressure medication directly to the inner membrane of mitochondria, targeting energy-producing parts of cells. The new method uses the body's natural transport system to deliver drugs more precisely, potentially improving therapy efficacy and reducing negative side effects.
SourceJohns Hopkins Medicine·JournalPNAS Nexus·DateSep 20, 2022
Celestron NexStar 8SE Computerized Telescope
Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.
Researchers have discovered a molecular machine that reorganizes the inner mitochondrial membrane, which is essential for energy production in cells. The study sheds light on the hereditary disease optic atrophy and may lead to new therapies.
SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalNature·DateJul 10, 2019
Researchers from the University of Pennsylvania School of Medicine have identified a novel regulatory mechanism governing levels of calcium inside cells. The discovery may help scientists understand and target molecular components regulating calcium flux in various diseases.
SourceUniversity of Pennsylvania School of Medicine·JournalCell Reports·DateJan 25, 2016
A research team at Goethe University Frankfurt has identified two proteins, Fcj1 and Su e/g, that regulate the shape of mitochondria's inner membrane. The protein Fcj1 promotes negative curvature, while the Su e/g protein induces positive bending, leading to the formation of cristae junctions.
SourceGoethe University Frankfurt·JournalJournal of Cell Biology·DateJun 24, 2009