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Archive for the ‘biological’ category: Page 77

Feb 2, 2023

Healthier hearts? Research advances potential treatment for cardiac conditions

Posted by in categories: bioengineering, biological

A team of researchers from Illinois Institute of Technology and the University of Washington is trying to change the way that the field of biology understands how muscles contract.

In a paper published on January 25, 2023, in the Proceedings of the National Academy of Sciences titled “Structural OFF/ON Transition of Myosin in Related Porcine Myocardium Predict Calcium Activated Force,” Illinois Tech Research Assistant Professor Weikang Ma and Professor of Biology and Physics Thomas Irving—working in collaboration with Professor of Bioengineering Michael Regnier’s group at Washington—make the case for a second, newly discovered aspect to muscle contraction that could play a significant role in developing treatments for inherited cardiac conditions.

The consensus for how muscle contraction occurs has been that the relationship between the thin and thick filaments that comprise was a more straightforward process. When targets on thin filaments were activated, it was thought that the myosin motor proteins that make up the thick filaments would automatically find their way to those thin filaments to start generating force and contract the muscle.

Feb 1, 2023

GPT Protein Models Speak Fluent Biology

Posted by in categories: biological, robotics/AI

Artificial intelligence has already shaved years off research into protein engineering. Now, for the first time, scientists have synthesized proteins predicted by an AI model in the lab, and found them to work just as well as their natural counterparts.

Feb 1, 2023

AI-powered language model generates functional protein sequences

Posted by in categories: biological, robotics/AI

The first time a language model was used to synthesize human proteins.

Of late, AI models are really flexing their muscles. We have recently seen how ChatGPT has become a poster child for platforms that comprehend human languages. Now a team of researchers has tested a language model to create amino acid sequences, showcasing abilities to replicate human biology and evolution.

The language model, which is named ProGen, is capable of generating protein sequences with a certain degree of control. The result was achieved by training the model to learn the composition of proteins. The experiment marks the first time a language model was used to synthesize human proteins.

Feb 1, 2023

Why I Am Spending Millions To Be 18 Again

Posted by in categories: biological, life extension, neuroscience

The man himself:


Blueprint is a public science experiment to determine whether it’s possible to stay the same biological age. This requires slowing down aging processes as much as possible and then reversing the aging that has happened. Currently my speed of aging is .76 (DunedinPACE). That means for every 365 days each year, I age 277 days. My goal is to remain the same age biologically for every 365 days that pass.

Continue reading “Why I Am Spending Millions To Be 18 Again” »

Jan 31, 2023

Dr. Eric Bapteste, Ph.D. — CNRS/AIRE — Interactomics For Deeper Understanding Of Aging And Evolution

Posted by in categories: biological, cosmology, evolution

(http://www.evol-net.fr/index.php?option=com_tlpteam&view=team&id=2&Itemid=559) is a Research Director at the French National Centre for Scientific Research (CNRS), the French state research organization and the largest fundamental science agency in Europe.

Dr. Bapteste has both a Ph.D. in evolutionary biology from Pierre and Marie Curie University and a Ph.D. in the philosophy of biology from Pantheon-Sorbonne University.

Continue reading “Dr. Eric Bapteste, Ph.D. — CNRS/AIRE — Interactomics For Deeper Understanding Of Aging And Evolution” »

Jan 31, 2023

A “Missing Link” — Researchers Shed Light on the Origin of Complex Life Forms

Posted by in categories: biological, genetics

What led to the emergence of complex organisms on Earth? It’s a significant unanswered question in biology. Researchers from Christa Schleper’s team at the University of Vienna and Martin Pilhofer’s team at ETH Zurich have taken a step towards resolving it. The scientists succeeded in cultivating a special archaeon and characterizing it more precisely using microscopic methods.

This member of the Asgard archaea exhibits unique cellular characteristics and may represent an evolutionary “missing link” to more complex life forms such as animals and plants. The study was recently published in the journal Nature.

All life forms on earth are divided into three major domains: eukaryotes, bacteria and archaea. Eukaryotes include the groups of animals, plants and fungi. Their cells are usually much larger and, at first glance, more complex than the cells of bacteria and archaea. The genetic material of eukaryotes, for example, is packaged in a cell nucleus and the cells also have a large number of other compartments. Cell shape and transport within the eukaryotic cell are also based on an extensive cytoskeleton. But how did the evolutionary leap to such complex eukaryotic cells come about?

Jan 28, 2023

Memories Become Chaotic before They Are Forgotten

Posted by in categories: biological, mathematics, robotics/AI

A model for information storage in the brain reveals how memories decay with age.

Theoretical constructs called attractor networks provide a model for memory in the brain. A new study of such networks traces the route by which memories are stored and ultimately forgotten [1]. The mathematical model and simulations show that, as they age, memories recorded in patterns of neural activity become chaotic—impossible to predict—before disintegrating into random noise. Whether this behavior occurs in real brains remains to be seen, but the researchers propose looking for it by monitoring how neural activity changes over time in memory-retrieval tasks.

Memories in both artificial and biological neural networks are stored and retrieved as patterns in the way signals are passed among many nodes (neurons) in a network. In an artificial neural network, each node’s output value at any time is determined by the inputs it receives from the other nodes to which it’s connected. Analogously, the likelihood of a biological neuron “firing” (sending out an electrical pulse), as well as the frequency of firing, depends on its inputs. In another analogy with neurons, the links between nodes, which represent synapses, have “weights” that can amplify or reduce the signals they transmit. The weight of a given link is determined by the degree of synchronization of the two nodes that it connects and may be altered as new memories are stored.

Jan 27, 2023

Future of the Metaverse (2030 — 10,000 A.D.+)

Posted by in categories: biological, mathematics, Ray Kurzweil, robotics/AI, singularity, virtual reality

This video covers the timelapse of metaverse technologies from 2030 to 3000+. Watch this next video about the Future of Virtual Reality (2030 – 3000+): https://bit.ly/3zfjybO.
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SOURCES:
https://www.futuretimeline.net.
• The Singularity Is Near: When Humans Transcend Biology (Ray Kurzweil): https://amzn.to/3ftOhXI

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Jan 26, 2023

My Anti-Aging Protocol Broke a World Record… — YouTube

Posted by in categories: biological, life extension, neuroscience

Bryan Johnson releases his rejuvenation protocol:


Blueprint is a public science experiment to determine whether it’s possible to stay the same biological age. This requires slowing down aging processes as much as possible and then reversing the aging that has happened. Currently my speed of aging is .76 (DunedinPACE). That means for every 365 days each year, I age 277 days. My goal is to remain the same age biologically for every 365 days that pass.

Continue reading “My Anti-Aging Protocol Broke a World Record… — YouTube” »

Jan 26, 2023

A 45-year-old biotech CEO may have reduced his biological age

Posted by in categories: biological, life extension

Health tests and reports suggest that Bryan Johnson, 45, has the heart of a 37-year-old and gets erections like a teenager, Bloomberg reported.

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