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Archive for the ‘biotech/medical’ category: Page 4

Jan 27, 2023

A drug that increases dopamine can reverse the effects of inflammation on the brain in depression, Emory study shows

Posted by in categories: biotech/medical, chemistry, neuroscience

๐€ ๐๐ซ๐ฎ๐  ๐ญ๐ก๐š๐ญ ๐ข๐ง๐œ๐ซ๐ž๐š๐ฌ๐ž๐ฌ ๐๐จ๐ฉ๐š๐ฆ๐ข๐ง๐ž ๐œ๐š๐ง ๐ซ๐ž๐ฏ๐ž๐ซ๐ฌ๐ž ๐ญ๐ก๐ž ๐ž๐Ÿ๐Ÿ๐ž๐œ๐ญ๐ฌ ๐จ๐Ÿ ๐ข๐ง๐Ÿ๐ฅ๐š๐ฆ๐ฆ๐š๐ญ๐ข๐จ๐ง ๐จ๐ง ๐ญ๐ก๐ž ๐›๐ซ๐š๐ข๐ง ๐ข๐ง ๐๐ž๐ฉ๐ซ๐ž๐ฌ๐ฌ๐ข๐จ๐ง, ๐„๐ฆ๐จ๐ซ๐ฒ ๐ฌ๐ญ๐ฎ๐๐ฒ ๐ฌ๐ก๐จ๐ฐ๐ฌ

๐˜ผ๐™ฃ ๐™€๐™ข๐™ค๐™ง๐™ฎ ๐™๐™ฃ๐™ž๐™ซ๐™š๐™ง๐™จ๐™ž๐™ฉ๐™ฎ ๐™จ๐™ฉ๐™ช๐™™๐™ฎ ๐™ฅ๐™ช๐™—๐™ก๐™ž๐™จ๐™๐™š๐™™ ๐™ž๐™ฃ ๐™‰๐™–๐™ฉ๐™ช๐™ง๐™šโ€™๐™จ ๐™ˆ๐™ค๐™ก๐™š๐™˜๐™ช๐™ก๐™–๐™ง ๐™‹๐™จ๐™ฎ๐™˜๐™๐™ž๐™–๐™ฉ๐™ง๐™ฎ ๐™จ๐™๐™ค๐™ฌ๐™จ ๐™ก๐™š๐™ซ๐™ค๐™™๐™ค๐™ฅ๐™–, ๐™– ๐™™๐™ง๐™ช๐™œ ๐™ฉ๐™๐™–๐™ฉ ๐™ž๐™ฃ๐™˜๐™ง๐™š๐™–๐™จ๐™š๐™จ ๐™™๐™ค๐™ฅ๐™–๐™ข๐™ž๐™ฃ๐™š ๐™ž๐™ฃ ๐™ฉ๐™๐™š ๐™—๐™ง๐™–๐™ž๐™ฃ, ๐™๐™–๐™จ ๐™ฅ๐™ค๐™ฉ๐™š๐™ฃ๐™ฉ๐™ž๐™–๐™ก ๐™ฉ๐™ค ๐™ง๐™š๐™ซ๐™š๐™ง๐™จ๐™š ๐™ฉ๐™๐™š ๐™š๐™›๐™›๐™š๐™˜๐™ฉ๐™จ ๐™ค๐™› ๐™ž๐™ฃ๐™›๐™ก๐™–๐™ข๐™ข๐™–๐™ฉ๐™ž๐™ค๐™ฃ ๐™ค๐™ฃ ๐™—๐™ง๐™–๐™ž๐™ฃ ๐™ง๐™š๐™ฌ๐™–๐™ง๐™™ ๐™˜๐™ž๐™ง๐™˜๐™ช๐™ž๐™ฉ๐™ง๐™ฎ, ๐™ช๐™ก๐™ฉ๐™ž๐™ข๐™–๐™ฉ๐™š๐™ก๐™ฎ ๐™ž๐™ข๐™ฅ๐™ง๐™ค๐™ซ๐™ž๐™ฃ๐™œ ๐™จ๐™ฎ๐™ข๐™ฅ๐™ฉ๐™ค๐™ฃ๐™จ ๐™ค๐™› ๐™™๐™š๐™ฅ๐™ง๐™š๐™จ๐™จ๐™ž๐™ค๐™ฃ.

Numerous labs across the world have shown that inflammation causes reduced motivation and anhedonia, a core symptom of depression, by affecting the brainโ€™s reward pathways.

Continue reading “A drug that increases dopamine can reverse the effects of inflammation on the brain in depression, Emory study shows” »

Jan 27, 2023

I Edited Human DNA at Home With a DIY CRISPR Kit

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

I never thought Iโ€™d order live human kidney cells to my address, but that all changed when I found out about biohacker Jo Zaynerโ€™s at-home genetic engineering class.

You may know Jo Zayner, a โ€œbiohackerโ€ who has been in the vanguard of scientific self-experimentation for years, from their role in Netflixโ€™s 2019 docuseries Unnatural Selection. The series shows Zayner attempting to edit their DNA by injecting themselves with CRISPR, a gene-editing technology. The action inspired a firestorm of criticism.

Zayner is also known for a variety of other bold moves, such as claiming to create a DIY at-home COVID vaccine in 2020 and executing their own fecal microbiome transplant.

Jan 27, 2023

European farms mix things up to guard against food-supply shocks

Posted by in categories: biotech/medical, climatology, economics, sustainability

Greater diversification could help agriculture withstand climate, economic and geopolitical crises.

โ€œItems in this section have limited availability due to supplier production issues,โ€ โ€œSorry, temporarily out of stockโ€ and โ€œSold outโ€ are all signs that became familiar as recent global upheavals exposed how precarious our food supply is.

The COVID-19 pandemic led to bare shelves in supermarkets as shipping routes were cut off. The war in Ukraine has affected the supply of essential grains.

Jan 27, 2023

A new AI-powered gene-editing technique could be set to replace CRISPR

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

CRISPR may be in for a fight thanks to this new, faster, safer, AI-powered zinc-finger gene-editing technique.

A new study has developed what the researchers call the โ€œworldโ€™s firstโ€ simple, modifiable proteins. Called โ€œzinc fingers,โ€ these special proteins were developed partially through artificial intelligence.

Continue reading “A new AI-powered gene-editing technique could be set to replace CRISPR” »

Jan 27, 2023

Scientists find a drug that treats obesity, fatty liver, heart disease

Posted by in categories: biotech/medical, food, neuroscience

According to the U.S. Centers for Disease Control and Prevention, more than 40% of people living in the U.S. are obese; and 43% of American women over the age of 60โ€”long past menopauseโ€”are considered obese. A recent Johns Hopkins study showed that a drug first developed to treat Alzheimerโ€™s disease, schizophrenia, and sickle cell disease could treat obesity and fatty liver and improve heart functionโ€”without changes in food intake or daily activity.

Jan 27, 2023

What is Atomic AI?

Posted by in categories: biotech/medical, robotics/AI

Is RNA next frontier in drug discovery?

Jan 27, 2023

Scientists reversed aging in mice: Is it possible in humans?

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

Researchers from Harvard Medical School found that it is the changes that affect the expression of the DNA โ€” called epigenetics โ€” that affect aging. The discovery may pave the way for more insights into how humans age.

Jan 27, 2023

PET imaging shows greater lung inflammation in e-cigarette users than cigarette smokers

Posted by in category: biotech/medical

Electronic cigarette (e-cigarette) users have greater lung inflammation than cigarette smokers and non-smokers, according to a new study published online in The Journal of Nuclear Medicine. This study is the first to provide evidence that vaping e-liquids with e-cigarettes creates a unique inflammatory response in the lungs that is different from cigarette smoking.

E-cigarette usage has increased dramatically in the past several years, particularly among adolescents and young adults. While many people assume that e-cigarettes are safer than conventional cigarettes, e-cigarettes can cause pulmonary and increase the risk of lung disease. In addition, their long-term safety has not been rigorously evaluated.

This is the first PET study to use a novel radiotracer, 18 F-NOS, to compare lung inflammation between cigarette and users in vivo. Although PET imaging with 18 F-FDG has been used in the past to investigate inflammation in smokers and vapers, its conclusions were limited.

Jan 27, 2023

Small study shows promise for antimalarial monoclonal antibody to prevent malaria

Posted by in categories: biotech/medical, health

A monoclonal antibody treatment was found to be safe, well tolerated, and effective in protecting against malaria in a small group of healthy volunteers who were exposed to malaria in a challenge study, according to new research published in The Lancet Infectious Diseases by researchers at the University of Maryland School of Medicine (UMSOM).

โ€œThe study demonstrates the feasibility of using monoclonal antibody therapies to help prevent malarial infection and holds promise for deployment to places where the disease is endemic,โ€ said Kirsten Lyke, MD, Professor of Medicine and Director of the Malaria Vaccine and Challenge Unit in the Center for Vaccine Development and Global Health (CVD) at UMSOM. โ€œThis may allow us to revisit eradication efforts.โ€

There were 241 million malaria cases and 627,000 deaths reported worldwide in 2020 alone, which is a 12 percent increase from 2019. Public health experts contend new strategies are urgently needed to achieve the United Nationโ€™s sustainable development goal of 90 percent reduction in malaria incidence and mortality by 2030. Scientists have tried for decades to develop a highly effective malaria vaccine without much success.

Jan 27, 2023

How 3 Indian Doctors Pioneered the Use of ORS to Treat Diarrhoea & Saved Millions!

Posted by in category: biotech/medical

Way back in 1953, Hemendra Nath Chatterjee first treated 186 patients with an โ€œoral glucose-sodium electrolyte solutionโ€. But itโ€™s widely believed that โ€œracism or the lack of a โ€˜scientificโ€™ rationale prevented the widespread adoption of his work.โ€ #IndiansInScience #LostTales

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