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Browsing Tag

Mitochondria

40 posts
HHealthcare
Mitrix moves mitochondria into the clinic
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Mitrix moves mitochondria into the clinic

  • April 13, 2026
Early human safety data and new US clinics signal a shift from theory to real-world testing for mitochondrial…
HHealth
Van Andel Institute and Cure Parkinson's extend major Parkinson's drug trial initiative
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Fat-producing enzyme identified as key driver of damage in Parkinson’s disease

  • April 9, 2026
A fat-producing enzyme in brain cells may play a key role in driving damage in Parkinson’s disease and…
FFitness
The Most Important Test For Brain Longevity, Per A Neurologist
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The Most Important Test For Brain Longevity, Per A Neurologist

  • April 8, 2026
If you ask wellness experts to name the single most important test for brain longevity, you’d probably hear…
HHealth
Targeting lactate metabolism offers new avenues for cancer treatment
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New method identifies key proteins that trigger harmful immune responses

  • April 6, 2026
Mayo Clinic researchers have developed a new method to identify which proteins are most likely to trigger an…
HHealth
New approach doubles chemotherapy effectiveness by targeting cancer cell memory
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Stard7 plays unexpected role in intestinal cancer development

  • April 3, 2026
A new study led by researchers at the University of Liège highlights the unexpected role of Stard7 in…
MMental health
Neuroscience News logo for mobile.
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Depression’s “Energy Crisis”: Fatigue Starts at the Cellular Level

  • March 12, 2026
Summary: Fatigue is one of the most debilitating and hardest-to-treat symptoms of major depressive disorder (MDD). New research…
HHealth
New genetic discovery could change how Friedreich's ataxia is diagnosed
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New discovery may aid in early detection of rare genetic disease

  • January 28, 2026
Virginia Tech researchers discovered an indication hidden in the brain that may help doctors identify children suffering from…
HHealth
Cellular responses to ischemic reperfusion injury in young vs older donor organs. During ischemia, the deprivation of oxygen and nutrients leads to mitochondrial dysfunction and energy loss. In young cells, mitochondrial resilience helps sustain ATP production, ameliorating damage. Old cells, in contrast, experience significant ATP depletion, relying heavily on anaerobic metabolism, which leads to lactate buildup, pH reduction, and cellular stress. Upon reperfusion, the restoration of blood flow triggers oxidative stress as mitochondria generate excessive reactive oxygen species (ROS). Young cells compensate for those events through robust antioxidant systems, maintaining cellular integrity. Conversely, in old cells, impaired antioxidant defenses result in unregulated ROS production, furthermore damaging membranes, organelles, and DNA. Additionally, old cells release pro-inflammatory genes, amplifying local inflammation. Consequences are particularly severe in aged vascular endothelial cells, with ion pump dysfunction (e.g., Na⁺/K⁺ ATPase) causing ionic imbalances and cellular edema. This disruption exacerbates ischemic injury, progressing to irreversible damage. In contrast, young cells effectively resolve edema and inflammation through mechanisms that include macrophage945 mediated clearance of Damage-Associated Molecular Patterns (DAMPs) and anti-inflammatory cytokine release (e.g., IL-10 and TGF-β), allowing recovery and tissue repair. In old cells, persistent ROS generation, unresolved inflammation, and DAMP accumulation lead to irreversible inflammation, organelle collapse, and eventual cell death. Created in BioRender. Kayumov, M. (2025) https://BioRender.com/m23u7ro .
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Scientists outline how organ rejuvenation strategies could solve the donor shortage

  • December 12, 2025
New insights into cellular aging, perfusion technologies, and senescence-targeting treatments show how aging organs could be revived, turning…
SScience
Study: Nanomaterial-induced mitochondrial biogenesis enhances intercellular mitochondrial transfer efficiency. Image Credit: Julien Tromeur / Shutterstock
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Nanoflower-treated stem cells deliver healthier mitochondria to stressed cells

  • December 10, 2025
By engineering nanomaterials that boost mitochondrial biogenesis, researchers show how stem cells can become powerful “mitochondrial biofactories,” offering…
SScience
Brighter Side of News
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Scientists recharge and repair human cells using donated mitochondria

  • December 3, 2025
Tiny structures inside your cells keep your body alive by turning food into fuel. These structures, called mitochondria,…
SScience
Aging cells shown under a microscope with visible mitochondrial structures
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Scientists Find a Way to Help Aging Cells “Swap Their Batteries”

  • December 3, 2025
For decades, aging at the cellular level has been blamed on one tiny structure inside our cells: the…
SScience
Innate immunity and metabolic stress drive a unique form of cell death
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Innate immunity and metabolic stress drive a unique form of cell death

  • December 2, 2025
In several disease conditions, including infections and cancers, innate immune activation and nutrient scarcity occur together. A study…
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