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Over the last century, a once-deadly mosquito-borne virus has evolved so that it no longer sickens humans. New research shows that changes in the virus's ability to target human cells paralleled the decline in illness and death.
Researchers have come up with a new way to identify more infectious variants of viruses or bacteria that start spreading in humans -- including those causing flu, COVID, whooping cough and tuberculosis.
Zika virus hijacks the skin of its human host to send out chemical signals that lure more mosquitoes to infect and spread the disease further, new research shows.
One mosquito species, Aedes aegypti, spreads the viruses that cause over 100,000,000 cases of dengue, yellow fever, Zika and other diseases every year. Indeed, their capacity to transmit disease has earned mosquitoes the title of deadliest animal. Another, Anopheles gambiae, spreads the parasite that causes malaria.
While we often think of diseases as caused by foreign bodies -- bacteria or viruses -- there are hundreds of diseases affecting humans that result from errors in cellular production of its proteins.
A new study provides a list of the wildlife species present at the market from which SARS-CoV-2, the virus responsible for the COVID-19 pandemic, most likely arose in late 2019. The study is based on a new analysis of metatranscriptomic data released by the Chinese Center for Disease Control and Prevention (CDC).
Science (2024) Related content New gene delivery vehicle shows promise for human brain gene therapy My Quest to Cure Prion Disease — Before It’s Too Late | Sonia Vallabh | TED Prion diseases lead to rapid neurodegeneration and death and are caused by misshapen versions of the prion protein in the brain.
The drug tecovirimat is currently in use for the treatment of mpox -- the disease caused by monkeypox virus -- that spread worldwide in 2022. Tecovirimat is an anti-poxviral drug, and its use is driving the emergence of drug-resistant variants of the monkeypox virus.
DNA Science has described intriguing sources of environmental DNA, aka eDNA: DNA in Strange Places: Hippo Poop, Zoo Air, and Cave Dirt and A Glimpse of the Ocean’s Twilight Zone Through Environmental DNA. The post Chewing Gum Reveals Stone Age Diet and Disease appeared first on DNA Science.
Williams January 8, 2024 Credit: Susanna Hamilton, Broad Communications Researchers have developed virus-like particles that can deliver gene-editing cargo to cells, including those in the mouse brain. Delivery dilemma Gene editing approaches promise to treat a range of diseases by precisely correcting genetic mutations that cause disease.
These factors are converging to enable both identification of novel infectious diseases as well as microbial resistance, before these threats can impact public health, write a team from the European Society for Clinical Microbiology and Infectious Diseases in Frontiers in Science. COVID clearly caught us off guard.
That information led, thanks to vaccine shelved from the first SARS circa 2003, to the rapid development and deployment of mRNA vaccines against the new infectious disease. The owners of the felines all reported feeding their pets raw meat, and samples of the meat revealed not only flu virus genetic material, but also infectious virus.
The enormous challenge of getting therapies past this barrier — a highly selective membrane separating the blood from the brain — has stymied the development of safer and more effective gene therapies for brain diseases for decades.
Approximately three percent of the global population — 240 million people — experience autoantibody diseases, which occur when one’s own body attacks critical organs and tissues. This can create an abnormal immune response that attacks the cells of our bodies and contributes to the development of autoantibody diseases.
He started to imagine how the deadly and contagious disease, if confirmed, might spread to half the city’s population. Eight of the 20 patients died, but the spread of the disease in Nigeria stopped there. Blood and urine samples from the man were waiting for Happi in his lab. Happi felt chilled. They called the idea Sentinel.
More bottles on the medicine shelf would help, but Bhattacharyya, who’s now also a research scientist, realized that science might lead to better tools for diagnosing and treating such challenging cases. FROM STARS TO CELLS Bhattacharyya’s interest in science began not in the lab, but in the sky.
The drug, which has undergone several clinical trials for human conditions but has not yet received approval to treat humans, inhibited the replication of SARS-CoV-2, the virus that causes COVID-19, in human cell cultures and in a mouse model, leading to much lower viral loads. The results were published in Science.
Last summer, we published a first signal of efficacy in humans in the LANCET Infectious Diseases for our lead broad-spectrum influenza candidate, OVX836. DGG: Resilience: In science, we can’t predict and control everything. Sometimes science “speaks” and sometimes it doesn’t.
Hand washing and disinfection are important hygiene practices to minimize the probability of catching infectious diseases. While this had been known to science […] Contact infection is among the most common ways pathogens, such as bacteria and viruses, spread from one person to another.
Cytokines are also targeted by drugs for many diseases such as rheumatoid arthritis, COVID-19, and cancer, but until now, scientists haven’t had a comprehensive view of how different immune cells respond to different cytokines because the immune system is so complex. For many immune-mediated diseases, there's no cure or treatment.
Enzyme-Linked Immunosorbent Assays (ELISAs) are an essential technique in today’s laboratory with many applications in the life sciences. Many proven applications The use of ELISAs has flourished in the life sciences. From food safety to the manufacture of new drugs, ELISAs provide valuable checkpoints and assist in decision making.
Gilead Sciences, Inc. The acquisition provides Gilead with Hepcludex ® (bulevirtide), which was conditionally approved by the European Medicines Agency for the treatment of chronic hepatitis delta virus (HDV) in adults with compensated liver disease in July 2020. About Gilead Sciences. Gilead Sciences, Inc.
In animal studies that mimic human exposures, an investigational COVID vaccine designed to be taken orally not only protects the host, but also decreases the airborne spread of the virus to other close contacts. The findings are published today in the journal Science Translational Medicine. Science Translational Medicine, 2022.
Using a virus that grows in black-eyed pea plants, nanoengineers at the University of California San Diego developed a replacement treatment that would keep metastatic cancers cornered from the lungs. 14 within the journal Advanced Science. It involves a bodily injection of a virus called the cowpea mosaic virus.
announced today that the companies have entered into a definitive agreement under which Pfizer will acquire ReViral, a privately held, clinical-stage biopharmaceutical company focused on discovering, developing, and commercializing novel antiviral therapeutics that target respiratory syncytial virus (RSV). NYSE: PFE) and ReViral Ltd.
Already, engineered probiotics have been used to treat metabolic disorders like inflammatory bowel disease and obesity, single-gene conditions like PKU, and bacterial infections common in people who have cystic fibrosis. Or, add genes to arm a host species to resist a specific infectious disease. Probiotics are an enticing target.
Laboratory professionals in all areas of science have experienced significant changes in recent years, and 2022 was no exception. Additionally, chronic disease, cancer and neurodegenerative disorders like Alzheimer’s were top of mind last year for diagnostics and drug R&D teams alike.
Related news Researchers map brain cell changes in Alzheimer’s disease Courtesy of the Chen and Macosko labs. The researchers also discovered clues about cellular function and the potential roles of brain structures in disease. Courtesy of the Chen and Macosko labs. Our results underscore the need to study them more deeply.”
The earliest ones relied on simple linear regression and attempted to correlate genetic variations with observable traits or disease risks — such as drug metabolization rates or cancer susceptibility. While mRNA data was often illuminating, their interpretation was tricky; more akin to art than science. Subscribe to Asimov Press.
Top 10 Life Science Resources for Summer 2024 pmjackson Thu, 07/25/2024 - 14:44 There’s a lot of life science content out there, which is why we’ve curated a selection of our expert insights, tips, case studies, and scientific and regulatory information for your convenience. Tags Science and Health Weight 16 the UK, or the EU.
Basic Science A trailing ribosome speeds up RNA polymerase at the expense of transcript fidelity via force and allostery. Science Advances. Science Advances. Science Advances. Genetic association analysis of 77,539 genomes reveals rare disease etiologies. How to build a virus-proof cell. O’Neill P.
doi: 10.2210/rcsb_pdb/goodsell-gallery-048 The Virus that Cures It’s been over 25 years since the science magazine Discover first ran an extraordinary article about how a long-forgotten medical treatment, used in the former Soviet country of Georgia, could save us from the growing threat of untreatable, drug-resistant infections.
1 Adeno-associated virus (AAV) vectors are the leading platform for in vivo gene delivery for the treatment of various human diseases. It has been well established that exposure to wild-type AAV results in priming of the immune system against the virus. Adeno-associated virus vector as a platform for gene therapy delivery.
By Andrea Tamayo May 30, 2023 Credit: Allison Dougherty, Broad Communications Isabella Teixeira-Soldano studies single cells to better understand disease progression. Isabella Teixeira-Soldano began her career in science sifting through mud. What inspires you to keep working in your field?
Today’s decision is a pivotal next step in our path towards potential regulatory approval for our maternal RSV vaccine candidate and is an important milestone in our efforts to help address the detrimental impact RSV disease has on infants,” said Kathrin U. Burden of RSV RSV is a contagious virus and a common cause of respiratory illness.
They had the science and the technology but not the business model. They needed reference materials for the disease in order to develop and validate diagnostic tests. For security reasons, at the time COVID-19 had to be grown in BSL-3 labs, which can be dangerous because they were handling the live virus.
There have been several studies that have reported the ability of infectious disease agents to be drug resistant. Infectious agent includes bacteria, virus, fungi, and parasites, and they are capable of causing disease in a living organism. 7,13 The use of Plants extract is important in drug discovery.
Related News Next generation prime editing systems move closer to possible therapeutic applications New CRISPR genome editing system offers a wide range of versatility in human cells Prime editing technologies allow scientists to precisely edit the genome in a variety of ways and could one day be used to treat genetic diseases.
–( BUSINESS WIRE )– Gilead Sciences, Inc. While HIV treatment has advanced dramatically over the past three decades, people living with HIV still face a lifetime of therapy,” said Diana Brainard, MD, Senior Vice President, Virology Therapeutic Area, Gilead Sciences. 1, 2021 11:00 UTC. FOSTER CITY, Calif. &
The new mRNAs, reported in Nature Biotechnology , could potentially be used to treat diseases that require long-lasting treatments that edit genes or replace faulty proteins. “The Scolnick Professorship, Ono Pharma Breakthrough Science Initiative Award, Merkin Institute Fellowship, and a National Institutes of Health New Innovator Award.
HIGH SCHOOL SCIENTISTS AND ENGINEERS WIN NEARLY $9 MILLION AT THE REGENERON INTERNATIONAL SCIENCE AND ENGINEERING FAIR 2023 Regeneron Pharmaceuticals, Inc. Other top prizes went to projects in the fields of computational biology, animal sciences and neurobiology.
This authorisation for Arexvy means eligible adults can be vaccinated against RSV disease for the first time, reinforcing GSK’s long history of vaccine innovation. 1 Those with underlying medical conditions, such as diabetes and chronic heart and lung disease, drive the majority of RSV hospitalisations. Find out more at gsk.com.
Novartis today announced a license option agreement with Voyager Therapeutics, a gene therapy company focused on next-generation adeno-associated virus (AAV) technologies, for three capsids to use in potential gene therapies for neurological diseases, with options to access capsids for two other targets. About Novartis.
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