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Boston - New study results indicate that different comorbid conditions affecting individuals diagnosed with COVID-19 may impact how long they continue to receive positive SARS-CoV-2 polymerase chain reaction (PCR) test results. Individuals diagnosed with COVID-19 who are aged 60+, have three or more chronic medical conditions, particularly diabetes, obesity, rheumatologic disease, or an organ transplant, have positive PCR tests for longer periods of time compared to younger individuals without these comorbidities.
Reston, VA (Embargoed until 6:15 p.m. EDT, Tuesday, June 15, 2021)--A new positron emission tomography (PET) radiotracer can detect abdominal aortic aneurysms (AAAs) and potentially predict when they will rupture, according to research presented at the Society of Nuclear Medicine and Molecular Imaging 2021 Annual Meeting. Targeting a novel biomarker associated with AAA, the radiotracer is effective both in diagnosis and in providing information to assist in the development of AAA treatments, of which there currently are none.
Photoemission is a property of metals and other materials that emit electrons when struck by light. Electron emission after light absorption was already explained by Albert Einstein. But since this effect is a highly complex process, scientists have still not been able to fully elucidate its details. Prof. Dr. Bernd von Issendorff and his team at the University of Freiburg's Institute of Physics have now succeeded in detecting a previously unknown quantum effect in the angular distributions of photoelectrons from cryogenic mass-selected metal clusters.
BIRMINGHAM, Ala. - Clinical evaluation of three COVID-19 vaccine candidates in 2020-21 during a worldwide pandemic that killed or sickened millions was unprecedented in terms of urgency and scope. Responsibility for the safety, integrity and scientific validity of the trials in the United States fell to 12 experts of the federally appointed COVID-19 Vaccine Data and Safety Monitoring Board, or COVID-19 DSMB, who in turn report to an oversight group.
Is artificial intelligence the key to preventing relapse of severe mental illness?
New AI software developed by researchers at Flinders University shows promise for enabling timely support ahead of relapse in patients with severe mental illness.
The AI2 (Actionable Intime Insights) software, developed by a team of digital health researchers at Flinders University, has undergone an eight-month trial with psychiatric patients from the Inner North Community Health Service, located in Gawler, South Australia.
Makeup wearers may be absorbing and ingesting potentially toxic per- and polyfluoroalkyl substances (PFAS), according to a new study published today in Environmental Science & Technology Letters. The researchers found high fluorine levels--indicating the probable presence of PFAS--in most waterproof mascara, liquid lipsticks, and foundations tested. Some of the products with the highest fluorine levels underwent further analysis and were all confirmed to contain at least four PFAS of concern.
A tickle in the nose can help trigger a sneeze, expelling irritants and disease-causing pathogens. But the cellular pathways that control the sneeze reflex go far beyond the sinuses and have been poorly understood. Now, a team led by researchers at Washington University School of Medicine in St. Louis has identified, in mice, specific cells and proteins that control the sneeze reflex.
Chemotherapy kills tumour cells by causing damage to them. One of the most effective ways of causing damage is to prevent the two DNA strands from separating so that the cellular machinery cannot read the instructions written in the genes. But sometimes, the cell manages to repair the damage and survive, evading the effect of chemotherapy. CNIO researchers have found out how the cell does that and plan to use this knowledge to enhance cancer treatments.
Hippopotamus aren't the first thing that come to mind when considering epidemiology and disease ecology. And yet these amphibious megafauna offered UC Santa Barbara ecologist Keenan Stears(link is external) a window into the progression of an anthrax outbreak that struck Ruaha National Park, Tanzania, in the dry season of 2017.
Two new studies have cast unprecedented light on disease processes in tuberculosis, identifying key genetic changes that cause damage in the lungs and a drug treatment that could speed up recovery.
Tuberculosis (TB) is a lung infection that has killed more humans than any other and until last year was the top infectious killer around the world. Globally, an estimated 10 million people develop the disease each year.
The findings are reported in two papers in the Journal of Clinical Investigation.
Certain patients with an aggressive form of ovarian cancer have a better chance of a cure through surgical removal of their tumor before chemotherapy instead of the reverse, a new study shows.
Led by researchers at NYU Grossman School of Medicine, Perlmutter Cancer Center, and Dana-Farber Cancer Institute, the study used a mathematical tool to examine how doctors should coordinate available treatments for high-grade serous ovarian cancer (HGSC).
What The Study Did: The results suggest assisted living residents experienced increased mortality during the COVID-19 pandemic consistent with increases observed among nursing home residents.
Authors: Kali S. Thomas, Ph.D., of Brown University in Providence, Rhode Island, is the corresponding author.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(doi:10.1001/jamanetworkopen.2021.13411)
Touchless technology could enable early detection and treatment of eye diseases that cause blindness
A non-contact laser imaging system could help doctors diagnose and treat eye diseases that cause blindness much earlier than is now possible.
The new technology, developed by engineering researchers at the University of Waterloo, is designed to detect telltale signs of major blinding diseases in retinal blood and tissue that typically go unseen until it is too late.
The National Pharmaceutical Regulatory Agency (NPRA) of Malaysia has granted a conditional registration for a safe, effective hepatitis C treatment developed by a public-private partnership bringing together the Malaysian Ministry of Health, not-for-profit research and development organization Drugs for Neglected Diseases initiative (DNDi), Egyptian pharmaceutical company Pharco, Malaysian pharmaceutical company Pharmaniaga Berhad, and non-governmental-organization Médecins Sans Frontières/Doctors Without Borders (MSF).
Niigata, Japan - Biomarkers are important determinants of appropriate and effective therapeutic approaches for various diseases including cancer. There is ample evidence pointing toward the significance of immune check point inhibitors (ICI) against cancer, and they showed promising clinical benefits to a specific group of patients with colorectal cancer (CRC).