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Archive for the ‘genetics’ category: Page 83

Jan 24, 2023

Study shows spatial organization in tumor cells

Posted by in categories: biotech/medical, genetics

In a recent study published in Cell, researchers investigated whether the observed tumor cellular heterogeneity and architecture result from stochastic and chaotic events or whether there is more coordination in the histopathological chaos of cancer. They also explored mechanisms shaping the highly complicated tumor landscape.

Both embryology studies and oncology research activities are aimed at elucidating tissue growth mechanisms; however, they share limited conceptual and technical overlap. Morpho-genomic processes and tissue-level signaling are prime mechanisms in the field of embryology. Researchers have developed various approaches to explore the associated mechanisms; however, cell, genetic, and biological means have been predominantly focused upon, leaving the spatial aspects of tumor cells under-studied in the field of oncology.

Jan 24, 2023

Tiny ion is crucial for HIV replication, say chemists

Posted by in categories: biotech/medical, computing, genetics

A study by chemists at the University of Chicago has uncovered a new key step in the process that HIV uses to replicate itself.

The study, published Jan. 6 in Science Advances, used computer modeling to focus on how HIV forms a capsule that carries its genetic material—in particular, the role of a particular ion known as IP6. Scientists had previously suspected IP6 has an important function but didn’t know exactly how it worked.

Continue reading “Tiny ion is crucial for HIV replication, say chemists” »

Jan 24, 2023

Genome-wide RNA polymerase stalling shapes the transcriptome during aging Genetics

Posted by in categories: biotech/medical, genetics, life extension

In aging mouse livers, 40% of elongating RNA polymerases are stalled, biasing transcriptional output dependent on gene length. This transcriptional stress appears to be caused by endogenous DNA damage.

Jan 24, 2023

When WIll We Upload Our Minds To Other Species?

Posted by in categories: augmented reality, bioengineering, business, genetics, life extension, mathematics, robotics/AI, transhumanism

This video explores aliens, mind uploading to other species (like in Avatar), genetic engineering, and future robots. Watch this next video about digital immortality: https://youtu.be/sZdWN9pbbew.
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https://www.scientificamerican.com/article/small-animals-liv…ion-world/
https://en.wikipedia.org/wiki/Human_cloning.

Continue reading “When WIll We Upload Our Minds To Other Species?” »

Jan 23, 2023

The Next Generation of Humans: Nanobots

Posted by in categories: biotech/medical, education, genetics, nanotechnology, neuroscience, robotics/AI

Part 1: the future of medicine: nanobots part 2: a new era in mental health: nanobots part 3: the healing power of nanobots part 4: the genetic and data-connected revolution: nanobots part 5: the end of plastic surgery: nanobots part 6: the fertility revolution: nanobots part 7: the job-specific human: nanobots part 8: the end of education as we know it: nanobots part 9: the rise of programmable matter: nanobots part 10: the next generation of humans: nanobots.

Nanotechnology is a rapidly evolving field with the potential to revolutionize medicine in the future. One of the most promising applications of nanotechnology is the use of nanobots in medicine. Nanobots are microscopic robots that can be programmed to perform specialized activities such as disease diagnosis and treatment. They can be used to diagnose and treat a wide range of conditions, including mental illnesses such as depression and anxiety, as well as physical injuries and illnesses.

One of the most interesting potential applications of nanobots in medicine is the treatment of mental illnesses. Mental illnesses are among the most common and devastating diseases of our time. They can be programmed to constantly map the brain and correct faults as they develop. Alzheimer’s disease may theoretically be treated if a person was implanted with nanobots at birth.

Jan 23, 2023

New Research Could Link Evolution of Complex Life to Genetic “Dark Matter”

Posted by in categories: biological, chemistry, cosmology, evolution, genetics, neuroscience, physics

Octopuses have fascinated scientists and the public with their remarkable intelligence, from using tools to engaging in creative play, problem-solving, and even escaping from aquariums. Now, their cognitive abilities may provide significant insight into understanding the evolution of complex life and cognition, including the human brain.

An international team of researchers from Dartmouth College and the Max Delbrück Center (MDC) in Germany has published a study in the journal Science Advances.

<em>Science Advances</em> is a peer-reviewed, open-access scientific journal that is published by the American Association for the Advancement of Science (AAAS). It was launched in 2015 and covers a wide range of topics in the natural sciences, including biology, chemistry, earth and environmental sciences, materials science, and physics.

Jan 23, 2023

Close Relationships With Parents Promote Healthier Brain Development in High-Risk Teens, Buffering Against Alcohol Use Disorder

Posted by in categories: genetics, neuroscience

Summary: Close and supportive parental relationships can help mitigate the genetic and environmental risk of developing alcohol use disorder for at-risk teens.

Source: state university of new york.

For teens at elevated risk of developing alcohol use disorder (AUD), close relationships with parents can help mitigate their genetic and environmental vulnerability, a new study suggests.

Jan 23, 2023

Prokaryotic Pangenomes Act as Evolving Ecosystems

Posted by in categories: biotech/medical, genetics

Abstract. Understanding adaptation to the local environment is a central tenet and a major focus of evolutionary biology. But this is only part of the adaptionist story. In addition to the external environment, one of the main drivers of genome composition is genetic background. In this perspective, I argue that there is a growing body of evidence that intra-genomic selective pressures play a significant part in the composition of prokaryotic genomes and play a significant role in the origin, maintenance and structuring of prokaryotic pangenomes.

Jan 23, 2023

Improving Intelligence

Posted by in categories: genetics, life extension

Improving intelligence has preoccupied society since French psychologist Alfred Binet devised the first IQ test. Since then, the notion that intelligence can be calibrated has opened new avenues into figuring out how it can also be increased.

Psychological scientists have been on the front lines of modifying intelligence. So much intelligence is genetically determined, it is, to a large extent, hereditary. But there are still some areas in which it can be malleable.

Intelligence is generally divided into two categories: fluid intelligence and crystallized intelligence. Fluid intelligence is the ability to reason in an abstract way and solve problems. Someone who can come up with dozens of new uses for, say, a toothbrush would demonstrate superior fluid intelligence. And this is exactly the kind of intelligence that tends to diminish as we grow older. The acquisition of intellectual skills, or the ability to read and comprehend, is known as crystallized intelligence, and this form tends to improve as we age.

Jan 23, 2023

Q&A: The Ethics of Using Brain Implants to Upgrade Yourself

Posted by in categories: ethics, genetics, neuroscience, robotics/AI

Anders Sandberg is “not technically a philosopher,” he tells IEEE Spectrum, although it is his job to think deeply about technological utopias and dystopias, the future of AI, and the possible consequences of human enhancement via genetic tweaks or implanted devices. In fact, he has a PhD in computational neuroscience. So who better to consult regarding the ethics of neurotech and brain enhancement?

Sandberg works as a senior research fellow at Oxford’s Future of Humanity Institute (which is helmed by Nick Bostrom, a leading AI scholar and author of the book Superintelligence that explores the AI threat). In a wide-ranging phone interview with Spectrum, Sandberg discussed today’s state-of-the-art neurotech, whether it will ever see widespread adoption, and how it could reshape society.

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