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Cellular Energy

All articles tagged with #cellular energy

Leucine Protects Mitochondrial Proteins to Boost Cellular Energy
science1 day ago

Leucine Protects Mitochondrial Proteins to Boost Cellular Energy

Researchers at the University of Cologne have discovered that the amino acid leucine does more than build muscle; it actively regulates cellular energy production. By inhibiting the degradation of specific proteins on the outer membrane of mitochondria, leucine allows these organelles to function more efficiently. This mechanism, mediated by the quality control protein SEL1L, enables cells to adapt energy output to nutrient availability, with potential implications for cancer and metabolic disorders.

Mitochondria: The Brain's Tiny Engines Influencing Mood and Mental Health
health9 months ago

Mitochondria: The Brain's Tiny Engines Influencing Mood and Mental Health

A recent study highlights the role of mitochondria, the energy-producing organelles in brain cells, as key mediators linking stress, trauma, and mental health. Chronic stress and social isolation impair mitochondrial function, leading to mental and physical health issues, but lifestyle interventions like exercise and therapy can restore mitochondrial health and resilience.

Scientists Discover Complete Respiratory Supercomplex in Surprising Study
science3 years ago

Scientists Discover Complete Respiratory Supercomplex in Surprising Study

Scientists have identified a complete respiratory supercomplex in mitochondria, responsible for generating ATP, the all-purpose energy molecule. The supercomplex is made up of four membrane protein complexes, labeled as complex I, II, III, and IV, which create an energy gradient harnessed by complex V to synthesize ATP. Researchers have discovered that complex II can also form part of a supercomplex, which optimizes the process for ATP formation. The structure of the supercomplex varies and is adapted to exist in curved membranes, providing insight into how nature adapts protein complexes to new environments to maintain function.