Tag Archives: cipro and mitochondria

Dr. Robert Rountree’s Presentation about Mitochondria

I highly recommend that you watch this –

http://www.viddler.com/v/703896d9?secret=27514482

It’s a video of Dr. Robert Rountree giving a presentation about mitochondria. It’s fascinating!

Fluoroquinolones damage mitochondria. Here are my posts about fluoroquinolones damaging mitochondria –

There are more interesting posts about mitochondria on Hormones Matter, and probably some other sites too.

I try to make this complex information a bit more comprehensible than it is in journal article format, but if you want to read through some source articles on how fluoroquinolones damage mitochondria, here are some good ones:

Also, at roughly minute 26 of Dr. Rountree’s presentation, he mentions the link between cardiolipin damage and autoimmune diseases. Here is an article about how fluoroquinolones affect cardiolipin –

Journal of Medical Microbiology, “Comparison of the Effects of Subinhibitory Concentrations of Ciprofloxacin and Colistin on the Morphology of Cardiolipin Domains in Escherichia Coli Membranes

Dr. Rountree is brilliant and I don’t mean to be critical, but I think that some of the graphs toward the end of the presentation need to be re-drawn. From what I understand from reading the above articles, and others on mitochondria, the effects of ROS (reactive oxygen species – also known as oxidative stress), are not linear. When mitochondria experience a healthy amount of stress – through exercise, for example – there is an adaptive response. It is actually likely that the initial response of mitochondria to fluoroquinolones is an adaptive and healthy one – that could explain some of the experimental results that show a healthy or adaptive response of cells to fluoroquinolones. It is only after the threshold for damage is crossed that a maladaptive/unhealthy response begins. And once that maladaptive/unhealthy response begins, well, it’s bad news because the cell perpetuates damage on itself in the “vicious cycle” of mitochondrial damage. This article explains the phenomenon of a threshold for mitochondrial damage well –

Molecular Interventions, “Mechanisms of Pathogenesis in Drug Hepatoxicity Putting the Stress on Mitochondria

Can the cycle of cellular damage be stopped? I think so. If feeling good is an indicator of health, I know so. As always, I hope the same for all of you!

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Your Mighty Mitochondria

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Fun facts – Nalidixic acid, the chemical compound that is the base of all fluoroquinolones, was discovered in 1962. Mitochondrial DNA was discovered in 1967 (by Lynn Margulis who happened to be married to Carl Sagan). So, if you are under the impression that naladixic acid was tested for its affects on mitochondrial DNA, you would be wrong. Information regarding how mitochondria affect gene expression is being uncovered… um… now-ish. So, in the 30+ years that fluoroquinolones have been pushed, they have been used by the human population with zero knowledge of how they affect gene expression (both mitochondrial and nuclear). Gene expression, as you might imagine, is important.

More information can be found in this post, “Your Mighty Mitochondria” published on Hormones Matter:

http://www.hormonesmatter.com/mighty-mitochondria/

 

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