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Archive for the ‘biotech/medical’ category: Page 1161

Sep 7, 2021

NIH study illuminates origins of lung cancer in never smokers

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

A genomic analysis of lung cancer in people with no history of smoking has found that a majority of these tumors arise from the accumulation of mutations caused by natural processes in the body. This study was conducted by an international team led by researchers at the National Cancer Institute (NCI), part of the National Institutes of Health (NIH), and describes for the first time three molecular subtypes of lung cancer in people who have never smoked.

These insights will help unlock the mystery of how lung cancer arises in people who have no history of smoking and may guide the development of more precise clinical treatments. The findings were published September 6 2021, in Nature Genetics.

“What we’re seeing is that there are different subtypes of lung cancer in never smokers that have distinct molecular characteristics and evolutionary processes,” said epidemiologist Maria Teresa Landi, M.D., Ph.D., of the Integrative Tumor Epidemiology Branch in NCI’s Division of Cancer Epidemiology and Genetics, who led the study, which was done in collaboration with researchers at the National Institute of Environmental Health Sciences, another part of NIH, and other institutions. “In the future we may be able to have different treatments based on these subtypes.”

Sep 7, 2021

These fridge-free COVID-19 vaccines are grown in plants and bacteria

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

Nanoengineers at the University of California San Diego have developed COVID-19 vaccine candidates that can take the heat. Their key ingredients? Viruses from plants or bacteria.

The new fridge-free COVID-19 vaccines are still in the early stage of development. In mice, the vaccine candidates triggered high production of neutralizing antibodies against SARS-CoV-2, the that causes COVID-19. If they prove to be safe and effective in people, the vaccines could be a big game changer for global distribution efforts, including those in rural areas or resource-poor communities.

“What’s exciting about our vaccine technology is that is thermally stable, so it could easily reach places where setting up ultra-low temperature freezers, or having trucks drive around with these freezers, is not going to be possible,” said Nicole Steinmetz, a professor of nanoengineering and the director of the Center for Nano-ImmunoEngineering at the UC San Diego Jacobs School of Engineering.

Sep 7, 2021

In world first, Cuba starts coronavirus vaccinations for toddlers

Posted by in categories: biotech/medical, habitats, internet

Cuba on Monday became the first country in the world to vaccinate children from the age of two against Covid-19, using home-grown jabs not recognised by the World Health Organization. The communist island of 11.2 million people aims to inoculate all its children before reopening schools that have been closed for the most part since March 2020. The new school year started on Monday, but from home via television programmes, as most Cuban homes do not have internet access.


Cuba is vaccinating children from the age of two using home-grown jabs not recognised by the World Health Organization.

Sep 6, 2021

Exciting research

Posted by in category: biotech/medical

Fibromyalgia appears to be autoimmune, and by knowing the antibody target it should be possible to force immunotolerance, curing the disease. Thanks to the animal experiments.

Paper:
Goebel A, Krock E, Gentry C, et al.: Passive transfer of fibromyalgia symptoms from patients to mice. J Clin Invest. 2021;131(13). doi: 10.1172/JCI144201

Sep 6, 2021

NHS England approves ‘life-changing,’ cholesterol-busting injection

Posted by in category: biotech/medical

The decision came after a global trial showed that the drug can “safely cut cholesterol by 50%.”


A twice-yearly injection of a new drug could lower cholesterol levels and prevent thousands of deaths from heart attacks and strokes, NHS England says.

Sep 6, 2021

CRISPaper: Understanding CRISPR Gene-Editing through Art

Posted by in categories: biotech/medical, food, genetics, health

To Sheng-Ying Pao, the power of reframing CRISPR lies in what is absolutely ordinary: paper. In CRISPaper, Pao revisited a cultural past in the ancient art of papermaking.

Over thousands of years, farmers painstakingly converted the wild rice plant into a staple crop. Today, researchers are using CRISPR to change genes to optimize grain yield. However, rice is more than food. In ancient China, it was used to make paper.

Continue reading “CRISPaper: Understanding CRISPR Gene-Editing through Art” »

Sep 6, 2021

Venom from one of Brazil’s largest snakes could be used to fight Covid — BBC News

Posted by in category: biotech/medical

Brazilian researchers have found that snake venom could be used as a tool in the fight against coronavirus.

Brazilian researchers have found that a molecule in the venom of a type of snake slowed down the reproduction of coronavirus in monkey cells.

Continue reading “Venom from one of Brazil’s largest snakes could be used to fight Covid — BBC News” »

Sep 5, 2021

Sugar feeding may inhibit mosquito ability to get infected, transmit arboviruses

Posted by in category: biotech/medical

Sugar feeding prior to having an infected blood meal could protect a mosquito’s ability to get infected and transmit arboviruses such as Zika, dengue and chikungunya, according to a new study.

The research – led by the MRC-University of Glasgow Centre for Virus Research and published in PLOS Pathogens – showed that the Aedes aegypti species of mosquito, an arbovirus vector, had enhanced immunity in the gut after feeding on sugar, which in turn protected females of the species against viral infection.

Sep 5, 2021

TGA approves new COVID-19 treatment for use in Australia

Posted by in categories: biotech/medical, government, health

Australians with COVID-19 who are at risk of hospitalisation will now have access to an additional antibody treatment, as the Therapeutic Goods Administration (TGA) announced today it has granted provisional approval for sotrovimab to be used in Australia.

Earlier this month, the Australian Government secured an initial allocation of over 7,700 doses of the novel monoclonal antibody treatment sotrovimab and a first shipment is already in the country and ready to be deployed through the National Medical Stockpile from next week.

The sotrovimab treatment requires a single dose to be administered through an intravenous (IV) infusion in a health care facility and has been shown to reduce hospitalisation or death by 79 per cent in adults with mild to moderate COVID-19, who are at risk of developing severe COVID-19.

Sep 5, 2021

Anti-CD7 CAR-T Therapy Yields High Response Rate in Acute Leukemia

Posted by in category: biotech/medical

Donor-derived anti-CD7 chimeric antigen receptor (CAR) T-cell therapy led to complete responses in 18 of 20 patients with relapsed or refractory (r/r) T-cell acute lymphoblastic (ALL), a first-in-human clinical trial showed.

After a median follow-up of 6.3 months, 15 of the 18 responding patients remained in remission, and seven patients had undergone stem-cell transplantation (SCT). All patients developed cytokine release syndrome (CRS), which was grade 1/2 in most instances. Because the therapy involved unmanipulated T cells, a majority of patients developed graft-versus-host disease (GVHD), grade 1/2 severity in all cases. All of the patients developed severe cytopenias, which were manageable.

The results provided the basis for an ongoing phase II trial of the donor-derived anti-CD7 therapy, reported Jing Pan, MD, of the State Key Laboratory of Experimental Hematology and Beijing Boren Hospital in China, and colleagues in the Journal of Clinical Oncology.