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Mitochondria in a living cell, imaged today while I was training new lab members on our spinning-disk confocal microscope. Shown are the full cell and zoomed-in regions of interest. Total imaging time: 60 minutes. #CellBiology

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Dylan Burnette

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11,770 görüntüleme • 2 ay önce •via X (Twitter)

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A cell videoed through a microscope. The powerhouses/overlords of the cell, mitochondria, are shown in yellow. The nucleus is shown in cyan and actin filaments are shown in magenta. #CellBiology
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A cell videoed through a microscope. The powerhouses/overlords of the cell, mitochondria, are shown in yellow. The nucleus is shown in cyan and actin filaments are shown in magenta. #CellBiology

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2:46

Science Corner: David Friedberg Explains Recent Mitotherapy Breakthroughs ⚡️ On E224, david friedberg broke down what mitotherapy is and how recent discoveries could unleash this treatment for many diseases: "So mitochondria are the powerhouse of the cell." "Every cell in our body gets its energy, which is what it uses to function, from the mitochondria." "And so there's been a lot of research into the relationship between mitochondria and aging, and that dysfunctional mitochondria may actually be a key driver for many diseases." "Including many cancers, Alzheimer's, Parkinson's, ALS, features of autism, muscle tissues being weak, etc." " So, as the cells get older and the mitochondria stop working, we make new mitochondria." "But over time, the DNA degrades and the mitochondria become less effective and there are fewer functional mitochondria per cell." Friedberg highlighted three recent papers: 1) "The power and potential of mitochondria transfer" (nature) -- "these folks identified and demonstrated that mitochondria can actually transfer from one cell to another" -- " So, if you've got a cell that's got damaged, or dysfunctional mitochondria, they've identified three mechanisms by which mitochondria can move into a cell that needs more mitochondria that are working and are more functional." -- "And as a result, it can rejuvenate or provide energy to a dysfunctional cell, which might improve dysfunctional tissue or improve disease." 2) "A human brain map of mitochondrial respiratory capacity and diversity" (nature) -- " this was the first mapping of the mitochondria in the human brain" -- " what it showed was that different parts of the brain, different cells, had different amounts of mitochondria and different mitochondrial function." -- "(This) starts to highlight how that difference in energy production in different cells in different parts of the brain may actually cause some of the things like memory loss or speech impairment," -- "the mitochondrial dysfunction in the brain might actually be the key driver of that aging symptomology." 3) "Organelle-tuning condition robustly fabricates energetic mitochondria for cartilage regeneration" (nature | Bone Research) -- " (the researchers) figured out a way to treat stem cells so that (they) would start to make an excess amount of mitochondria than they normally would make" -- " So they created highly energetic mitochondria and they made a lot of them." -- " the idea that we can put mitochondria into our body or into tissue in our body to heal it or repair it has been something that folks have been trying to do research around for a long time" -- " but the limiting factor is access to enough mitochondria" -- " so this mechanism that they developed opens up the door to this whole new therapeutic modality, a new type of therapy called mitotherapy" Conclusion: " ... based on the series of papers that we're seeing coming out recently, I believe (this) could end up becoming a really incredible new therapy that may ultimately lead to the treatment for many diseases that we're dealing with right now."

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Secretary Kennedy has said he wants to get cell phones out of schools. “There are many other countries in the world that have banned cell phones in our schools.” “Cell phones also produce electric magnetic radiation, which has been shown to do neurological damage to kids when it's around them all day.” “Cell phone use and social media use on the cell phone has been directly connected with depression, poor performance in schools, suicidal ideation, and with substance abuse.”
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Secretary Kennedy has said he wants to get cell phones out of schools. “There are many other countries in the world that have banned cell phones in our schools.” “Cell phones also produce electric magnetic radiation, which has been shown to do neurological damage to kids when it's around them all day.” “Cell phone use and social media use on the cell phone has been directly connected with depression, poor performance in schools, suicidal ideation, and with substance abuse.”

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Can cell/smartphones reduce sperm count and testosterone in a manner independent of heat effects? Yes. I review the data (and solutions) on the latest Huberman Lab Podcast; link to all formats at: P.S. Tim Ferriss hypothesized this years ago in the 4hrBody.

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