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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.
Keshav K. Singh is also the founding editor-in-chief of the journal Mitochondrion., [1] founder of the Mitochondria Research and Medicine Society (USA) [2] and the Society for Mitochondrial Research and Medicine (India) [3] He is the author of more than 100 research publications and 3 books related to mitochondrial diseases, aging and cancer.
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 ...
Power, Sex, Suicide: Mitochondria and the Meaning of Life is a 2005 popular science book by Nick Lane of University College London, which argues that mitochondria are central to questions of the evolution of multicellularity, the evolution of sexual reproduction, and to the process of senescence.
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 ...
Intercellular transfer of mitochondria in culture has been documented from MSCs and endothelial cells to breast cancer cell lines, ovarian cancer cell lines or to osteosarcoma cell line. [11] Mitochondrial transfer can occur also between cancer cells such as mesothelioma [ 12 ] and laryngeal carcinoma cells. [ 13 ]
Blebbishield emergency program is a process which acts as a last line of defense for cancer stem cells after induction of apoptosis where the apoptotic blebs fuse to shield the cells/nucleus from the destructive force of apoptosis by forming blebbishields. Blebbishields in turn fuse to each other and generate cancer stem cell spheres/cellular ...