Medicine News | Sci.News

Viral particle before (left) and after treatment. Image credit: University of Manchester.

Modified Sugars Show Broad-Spectrum Virucidal Activity

Feb 4, 2020 by Enrico de Lazaro

A team of researchers from the University of Manchester, the University of Geneva, and the EPFL has synthesized new antiviral materials that proved to...

A cell layer with a visible cytopathic effect; the cells infected by the 2019-nCoV coronavirus were destroyed. Image credit: National Reference Center for Respiratory Viruses, Institut Pasteur.

French Scientists Grow 2019-nCoV Coronavirus from Patient Samples, Sequence Its Whole Genome

Feb 3, 2020 by Enrico de Lazaro

On January 24, 2020, the French Ministry of Health announced three cases of the 2019-nCoV coronavirus in France. On January 29, a team of researchers from...

Study: 2019-nCoV Coronavirus Receptors Show Similarities to SARS

Feb 3, 2020 by News Staff

In a new study, a team of researchers from the University of Minnesota and the University of North Carolina has analyzed the potential receptor usage by...

New Study Estimates Spread of 2019-nCoV Coronavirus

Jan 31, 2020 by News Staff

As of January 25, 2020, up to 75,800 individuals in Wuhan, Hubei province, China — the epicenter of the outbreak of the 2019-nCoV coronavirus —...

Is 2019-nCoV Outbreak as Bad as SARS or 2009 H1N1 Influenza Pandemic?

Jan 31, 2020 by The Conversation

As the 2019-nCoV coronavirus continues to cross international borders, the two key questions on public health officials’ minds are: How deadly is it?...

How Contagious is 2019-nCoV Coronavirus?

Jan 30, 2020 by The Conversation

Cases of the 2019-nCoV coronavirus have increased dramatically over the past week, prompting concerns about how contagious the virus is and how it spreads....

A drug-resistant visualizing paper-based band-aid for point-of-care sensing and selectively treating drug-resistant bacteria. Image credit: Sun et al, doi: 10.1021/acscentsci.9b01104.

Color-Changing Paper-Based Bandages Sense, Selectively Treat Bacterial Infections

Jan 29, 2020 by News Staff

A team of scientists has developed visualizing paper-based bandages that can sense drug-resistant and drug-sensitive bacteria in wounds and implement a...

Australian Researchers Grow 2019-nCoV Coronavirus from Patient Sample

Jan 29, 2020 by News Staff

A team of scientists at the Peter Doherty Institute for Infection and Immunity (Doherty Institute) in Melbourne, Australia, has successfully grown the...

White fat cells (adipocytes) activate the lipolysis pathway to produce the free fatty acids that are used as heating fuel by brown adipose tissue. Nayak et al show that OPN3 is required for blue-light-enhanced activation of the lipolysis pathway. This explains the low body temperature of OPN3 mutant mice. Image credit: Nayak et al, doi: 10.1016/j.celrep.2019.12.043.

Fat Cells Can Sense Light, Animal Study Shows

Jan 28, 2020 by News Staff

Light exposure regulates how two kinds of fat cells (adipocytes) work together to produce the raw materials that all other cells use for energy, according...

The top image shows a knee joint in a healthy rat (white indicates cartilage); the second image from top shows a joint with grade 2 untreated osteoarthritis; the third image shows a joint with osteoarthritis that has worsened from grade 2 to grade 4 after six weeks of placebo therapy; the bottom image shows a joint with osteoarthritis that improved from grade 2 to grade 1 (mild) after six weeks of combination therapy with αKLOTHO and TGFβR2. Image credit: Salk Institute.

Powerful Combination of Two Experimental Drugs Counteracts Osteoarthritis in Rats

Jan 27, 2020 by News Staff

A research team headed by scientists at the Salk Institute for Biological Studies has discovered that a combination of two molecules, alpha-KLOTHO (αKLOTHO)...

Newly-Identified Coronavirus 2019-nCoV: Here’s What You Need to Know

Jan 27, 2020 by News Staff

The current outbreak of viral pneumonia in Wuhan, a rapidly flourishing capital city of the Hubei province and the traffic hub of central China, was caused...

Fluorescence microscopy image of cell-free mitochondria in the plasma of a healthy individual. Image credit: Dache et al, doi: 10.1096/fj.201901917RR.

Scientists Find Cell-Free Mitochondria in Human Blood

Jan 24, 2020 by Enrico de Lazaro

Mitochondria are considered as the power-generating units of the cell due to their key role in energy metabolism and intercellular communication. However,...

Winterdahl et al investigated the effects of sucrose using positron-emission tomography (PET) imaging with [11C]carfentanil (μ-opioid receptor agonist) and [11C]raclopride (dopamine D2/3 receptor antagonist) in seven female anesthetized Göttingen minipigs. Image credit: Winterdahl et al, doi: 10.1038/s41598-019-53430-9.

Sugar Changes Brain Chemistry, New Animal Study Shows

Jan 15, 2020 by News Staff

Foods high in sucrose, or table sugar, influence brain reward circuitry in ways similar to those observed when addictive drugs are consumed, according...

Tea consumption is associated with reduced risks of atherosclerotic cardiovascular disease and all-cause mortality, especially among those consistent habitual tea drinkers. Image credit: Sci-News.com.

Habitual Tea Drinking Reduces Risk of Cardiovascular Disease

Jan 10, 2020 by Enrico de Lazaro

Using large prospective cohorts among Chinese adults, a research team led by the Chinese Academy of Medical Sciences and Peking Union Medical College has...

TEM image of double-layered M2e-NA nanoparticles. Scale bar - 500 nm. Image credit: Wang et al, doi: 10.1002/adhm.201901176.

New Nanoparticle Vaccine Protects Mice from Six Influenza Strains

Jan 9, 2020 by News Staff

The new double-layered nanoparticles vaccine, developed by researchers from the Center for Inflammation, Immunity & Infection at the Georgia State...

Lingonberry (Vaccinium vitis-idaea) possesses anti-inflammatory properties, which may well contribute to its ability to reduce blood pressure and improve vascular function. Image credit: Jonas Bergsten.

Lingonberry Juice Consumption Reduces Blood Pressure and Improves Vascular Function: Study

Jan 8, 2020 by News Staff

Long-term treatment with lingonberry (Vaccinium vitis-idaea) juice lowered the already elevated blood pressure and improved the function of blood vessels...

Wittfeld et al support the hypothesis that higher cardiorespiratory fitness is associated with larger brain volumes in several brain regions that are not primarily connected to motor-related functions. Image credit: Mabel Amber.

Study: Cardiorespiratory Exercise Improves Brain Health, Decelerates Decline in Gray Matter

Jan 3, 2020 by News Staff

A new study, published in the Mayo Clinic Proceedings, provides evidence of an association between cardiorespiratory fitness — which refers to the...

Beta-carophyllene, a compound included in essential oils, improves the healing process in mice when it is topically applied to a skin wound. Image credit: Marina Pershina.

Bioactive Compound in Essential Oils Enhances Wound Healing: Study

Dec 31, 2019 by Enrico de Lazaro

Beta-carophyllene, a bicyclic sesquiterpene found in lavender, rosemary and ylang ylang, as well as various herbs and spices, has the capability to improve...

Green Tea Polyphenol Active against Tuberculosis Bacteria

Dec 30, 2019 by Enrico de Lazaro

Epigallocatechin gallate (EGCG), one of the principle polyphenolic compounds found in the leaves of the green tea plant (Camellia sinensis), is effective...