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Category: biotech/medical – Page 1,442

Japan university tackles aging with transplanted pluripotent stem cells

A research team from Osaka University in Japan has concluded that a clinical trial of transplanted IPS cell-derived corneal tissue was safe and effective – further evidence that cellular reprogramming with Yamanaka factors is moving towards scalable therapies.

Longevity. Technology: The clinical trial spanned several years and used corneal tissues derived from induced pluripotent stem cells. The tissue was transplanted into four almost-blind patients, and, according to the research team, none of the patients experienced rejection or tumorigenicity of the transplanted cells and all saw improvements in their symptoms, with three experiencing improved eyesight, with one improving from 0.15 to 0.7. Importantly, all were free of side effects one year later.

IPS cells can be generated from any adult cell, with Yamanaka factors – a group of protein transcription factors from four master genes. These induced stem cells demonstrate the significant quality of pluripotency – they can differentiate into all other cell types of the body. This is incredibly useful both for research and for therapy.

High school students design a bottle that turns seawater into drinking water

Mangrove trees inspire thermal and membrane-based desalination system.

Four US students, taking part in a program aimed at high school girls interested in engineering, have designed a desalinating water bottle. The currently hypothetical device would be compact and portable so could offer increased accessibility over existing desalinating designs that mimic transpiration.

Laurel Hudson, Gracie Cornish, Kathleen Troy and Maia Vollen met at Virginia Tech’s C-Tech2 program where they were given an assignment to ‘reinvent the wheel’. Choosing to focus on the global water crisis and inspired by drinking straws used by hikers to purify water, they considered if it was possible to make a bottle that produced drinking water from seawater. They reached out to Jonathan Boreyko, an associate professor in the department of mechanical engineering, who was researching synthetic trees at the time. He agreed to help, and, during the height of the Covid-19 pandemic, the group met virtually at night to discuss their research. Along with Ndidi Eyegheleme, a graduate student in Boreyko’s lab, they planned and produced a model to evaluate the inner workings of their design.

Nearly 60% of Americans now have antibodies from Covid-19 infection, CDC study finds

Nearly 60% of adults and 75% of children have antibodies indicating that they’ve been infected with Covid-19, according to new data from the US Centers for Disease Control and Prevention.

The data come from an ongoing study of blood samples sent to commercial laboratories across the US.

At the beginning of December, an estimated 34% of Americans had antibodies showing that they had once been infected with the virus that causes Covid-19. By the end of February, after an avalanche of cases caused by the Omicron variant, that number had jumped to 58%.

Olivia Zetter — Head of Government Affairs and AI Strategy — National Resilience, Inc.

Making the future of medicine possible by rethinking how medicines are made — olivia zetter, head of government affairs & AI strategy, resilience.

Olivia Zetter is Head of Government Affairs and AI Strategy at National Resilience, Inc. (https://resilience.com/) a first-of-its-kind manufacturing and technology company dedicated to broadening access to complex medicines and protecting bio-pharmaceutical supply chains against disruption.

Founded in 2020, National Resilience, Inc. is building a sustainable network of high-tech, end-to-end manufacturing solutions to ensure the medicines of today, and tomorrow, can be made quickly, safely, and at scale.

Olivia brings extensive experience in national security spanning diplomacy, defense, and development, along with emerging technology issues. Olivia has held multiple positions in government, most recently as a Director of Research and Analysis at the National Security Commission on Artificial Intelligence, an independent federal commission established by Congress to examine the impact of artificial intelligence on national security and defense.

Olivia previously served at the Department of State as a Foreign Affairs Officer in the Office of the Coordinator for Cyber Issues, where her work spanned a diverse range of cyber policy areas. She also served as the Special Advisor on Trans-Regional Issues to the Special Presidential Envoy for the Global Coalition to Counter ISIS, where she coordinated efforts to counter the terrorist organization’s financing, foreign terrorist fighter flows, and external operations.

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Meteorites could have brought all 5 genetic ‘letters’ of DNA to early Earth

These key building blocks of life were found in space rocks, scientists confirm.

Key building blocks of DNA that previous research mysteriously failed to discover in meteorites have now been discovered in space rocks, suggesting that cosmic impacts might once have helped deliver these vital ingredients of life to ancient Earth.

DNA is made of four main building blocks — nucleobases called adenine (A), thymine (T), cytosine © and guanine (G). DNA’s sister molecule, RNA, also uses A, C and G, but swaps out thymine for uracil (U). Scientists wondering whether meteorites might have helped deliver these compounds to Earth have previously looked for nucleobases in space rocks, but until now, scientists had only detected A and G in space rocks, and not T, C or U.

Fertility crisis: Is modern life making men infertile? — BBC REEL

We all know man-made chemicals are damaging ecosystems across the planet. But could certain chemicals also be negatively affecting human fertility?

Dr Shanna Swan, an environmental and reproductive epidemiologist at Mount Sinai Hospital in New York and the author of Count Down, predicts that current trends could not continue much longer without threatening human survival.

Video by Izabela Cardoso & Fernando Teixeira.
Executive Producer: Camelia Sadeghzadeh.

#bbcreel #bbc #bbcnews

Dr. Stephen Johnston, PhD — Calviri — Cancer Eradication Via A Universal Preventative Cancer Vaccine

Eradicating Cancer With A Universal Preventative Cancer Vaccine — Dr. Stephen Johnston, Ph.D., ASU Biodesign Institute / Calviri

Dr. Stephen Johnston, Ph.D. (https://biodesign.asu.edu/stephen-johnston) is the Director for the Center for Innovations in Medicine (https://biodesign.asu.edu/Research/Centers/innovations-medicine), a Professor in the School of Life Sciences, and Director of the Biological Design Graduate Program at The Biodesign Institute at Arizona State University.

Dr Johnston is also Founding CEO and Chairman of the Board Of Directors of Calviri (https://calviri.com/).

The Center for Innovations in Medicine and Dr. Johnston’s current work focuses on innovative solutions to fundamental problems in bio-medicine, and their organization brings together a unique group of interdisciplinary scientists to identify, analyze, and come up with inventive solutions for significant un-met medical needs.

Current major translational sciences and technology development projects of Dr. Johnston include 1) Cancer Eradication: with a focus on developing a universal, preventative cancer vaccine, and 2) Health Futures: with an aim of producing a diagnostic system that allows continuous monitoring of the health status of healthy people — helping in the revolution to pre-symptomatic medicine.

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