Tag

Cell Biology

All articles tagged with #cell biology

Mitochondria Connect Stress, Brain Function, and Mental Health

Originally Published 21 days ago — by PsyPost

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Source: PsyPost

A scientific review suggests that mitochondria, the energy-producing structures in cells, play a key role in translating psychological stress and loneliness into physical health outcomes, with chronic stress impairing mitochondrial function and contributing to diseases like depression and cardiovascular issues. The review highlights the importance of mitochondrial health in resilience and potential interventions such as exercise to improve cellular and mental well-being.

Mitochondria Release Damaged DNA, Triggering Aging Inflammation

Originally Published 3 months ago — by Nature

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Source: Nature

A study in mice reveals that mitochondria expel damaged or abnormal DNA into the cell environment, which triggers inflammation associated with aging. This process is linked to nucleotide imbalances in mitochondrial DNA, especially in aging cells, and may contribute to inflammageing, offering insights into age-related inflammation mechanisms.

Caltech Researchers Challenge Long-Standing Mitochondrial Protein Import Model

Originally Published 3 months ago — by SciTechDaily

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Source: SciTechDaily

Caltech researchers have discovered that nearly 20% of mitochondrial proteins are imported during their synthesis, guided by folding patterns and structural signals, overturning the traditional model that proteins are imported only after translation is complete.

Scientists Remove Organelles to Uncover Cellular Secrets

Originally Published 5 months ago — by SciTechDaily

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Source: SciTechDaily

Researchers at UT Southwestern developed a genetic method to remove mitochondria from cells, revealing that cells can survive temporarily without them and uncovering insights into mitochondrial roles in development, gene regulation, and evolution, with potential implications for treating mitochondrial disorders.

Scientists Uncover a New Mysterious Organelle in Human Cells

Originally Published 6 months ago — by SciTechDaily

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Source: SciTechDaily

Scientists have discovered a new organelle called the hemifusome inside human cells, which plays a key role in cellular recycling and cargo management. This finding could provide new insights into genetic disorders like Hermansky-Pudlak syndrome and lead to novel treatments. The discovery was made using advanced cryo-electron tomography and opens new avenues for understanding cell health and disease.

Scientists uncover a new cellular organelle with significant health implications

Originally Published 6 months ago — by Earth.com

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Source: Earth.com

Scientists have discovered a new, temporary organelle called the hemifusome inside human cells, which plays a crucial role in sorting and recycling cellular cargo. Using advanced cryo-electron tomography, researchers observed that hemifusomes are common across various cell types and may represent a new pathway for vesicle formation, independent of traditional endocytic mechanisms. This discovery could have significant implications for understanding and treating diseases related to cellular waste management, such as Hermansky-Pudlak syndrome.

Scientists Discover New Cellular Structure Essential for Cell Function

Originally Published 6 months ago — by Live Science

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Source: Live Science

Scientists have discovered a new organelle in human cells called the hemifusome, which appears to be involved in protein sorting and recycling, observed using advanced cryo-electron tomography imaging. This tiny structure, resembling a snowman, could provide new insights into cellular processes and diseases like Alzheimer's.