mortality

Polymaths and paradigm shifts: from Asimov to Bear (4)

Saying Goodbye to the RNA World Theory RNA has a limited ability for catalysis compared to peptides, and would have struggled to maintain its catalytic activity under the changing temperature conditions of early Earth. Carter and Wills also argued that if an RNA world existed, it would have been unlikely for it to incorporate peptides later on. See for comparison: Dependence of RNA synthesis in isolated thymus nuclei on glycolysis, oxidative carbohydrate catabolism and a type of “oxidative phosphorylation” (1964)…

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Lethal virus kills 5 billion people?

Until death: Virus-driven failure of multisensory integration (2)

Summary: The virus-driven degradation of messenger RNA is clearly linked to frontotemporal dementia (FTD) by altered language, personality, behavior, cognition and motor function. What causes FTD? If the virus-driven degradation of messenger RNA causes all pathology, I would expect to find a link from microRNAs to the pathology and to the effective treatment. The social and economic burden of frontotemporal degeneration Reported as: Study reveals staggering economic burden of dementia in younger people Frontotemporal degeneration (FTD) accounts for 20 to…

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RNAi: From magic bullet to billion dollar baby

UW-Madison technology enlisted in battle against hepatitis B DNA operates through RNA, and when RNA interference was discovered in 1998, it seemed like a magic bullet that could fight disease by specifically shutting down problematic genes. Before RNA interference was discovered pre-mRNAs were already linked to cell type differentiation in species from microbes to mammals. From Fertilization to Adult Sexual Behavior (1996) Small intranuclear proteins also participate in generating alternative splicing techniques of pre-mRNA and, by this mechanism, contribute to…

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