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Scientist Otto Warburg, whose research activities led to the formulation of the Warburg hypothesis for explaining the root cause of cancer.. The Warburg hypothesis (/ ˈ v ɑːr b ʊər ɡ /), sometimes known as the Warburg theory of cancer, postulates that the driver of carcinogenesis (cancer formation) is insufficient cellular respiration caused by insult (damage) to mitochondria. [1]
Older hypotheses such as the Warburg hypothesis suggest the Warburg effect may simply be a consequence of damage to the mitochondria in cancer. It may also be an adaptation to low-oxygen environments within tumors, or a result of cancer genes shutting down the mitochondria, which are involved in the cell's apoptosis program that kills cancer cells.
Mitophagy is the selective degradation of mitochondria by autophagy.It often occurs to defective mitochondria following damage or stress. The process of mitophagy was first described in 1915 by Margaret Reed Lewis and Warren Harmon Lewis. [1]
Mutually, post-translational alterations of mitochondrial apparatus and the development of transmembrane contact sites among mitochondria and other structures, which both have the potential to link signals from diverse routes that affect mitochondrial membrane dynamics substantially, [36] Mitochondria are wrapped by two membranes: an inner ...
His book, Life Ascending: The Ten Great Inventions of Evolution, won the 2010 Royal Society Prize for Science Books. [5] He appeared on In Our Time on Radio Four on 13 September 2012, when the topic of discussion was the cell, [6] and again on 15 May 2014, when the topic was photosynthesis.
Seyfried is a popular interview guest regarding the metabolic theory of cancer. In podcast interviews Seyfried has claimed that radiation therapy and chemotherapy, which he compares to "medieval cures", can only marginally improve life expectancy by 1-2 months for cancer patients, with Seyfried advocating that cancer patients adopt a ketogenic ...
The theory implicates the mitochondria as the chief target of radical damage, since there is a known chemical mechanism by which mitochondria can produce ROS, mitochondrial components such as mtDNA are not as well protected as nuclear DNA, and by studies comparing damage to nuclear and mtDNA that demonstrate higher levels of radical damage on ...
Mitochondrial replication is controlled by nuclear genes and is specifically suited to make as many mitochondria as that particular cell needs at the time. Mitochondrial transcription in humans is initiated from three promoters, H1, H2, and L (heavy strand 1, heavy strand 2, and light strand promoters). The H2 promoter transcribes almost the ...