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14 Current news about the topic vaccines

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Repeated interferon stimulation creates innate immune memory

29-Oct-2018

The innate immune system may be able to be trained to react to viral infections more efficiently by repeated exposure to anti-viral signaling molecules. Mammalian cells seem to be able to memorize anti-viral stimulation at the level of DNA-packaging molecules, enabling faster and greater ...

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Images of antibodies working together against malaria

26-Oct-2018

Scientists investigating how the human immune system defends against malaria have uncovered a rare phenomenon: antibodies working together to bind to a vulnerable spot on the parasite. The new research shows that antibodies working together can result in a protein on the parasite's cell surface ...

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15 emerging technologies that could reduce global catastrophic biological risks

11-Oct-2018

Strategic investment in 15 promising technologies could help make the world better prepared and equipped to prevent future infectious disease outbreaks from becoming catastrophic events. This subset of emerging technologies and their potential application are the focus of a new report, ...

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Raman spectroscopy allows fast analysis of vaccines

08-Oct-2018

Vaccines are complex biomedicines composed of a number of different molecules. In the manufacturing process and before marketing authorisation, extensive research is required to verify the identity, quality, efficacy and safety of the products. Fast, cost-effective yet reliable analytical methods ...

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Taking out the (life-threatening) garbage

Bacteria eject trash to survive

28-Sep-2018

Scientists have known for decades that certain bacteria produce small spherical versions of themselves. Although they lack basic materials to reproduce or function like normal cells, recent interest in such "minicells" has spiked due to their proficiency as nano-sized delivery tools for drugs and ...

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Breakthrough in designing a better Salmonella vaccine

26-Sep-2018

UC Davis researchers announce a breakthrough in understanding which cells afford optimal protection against Salmonella infection--a critical step in developing a more effective and safe vaccine against a bacterium that annually kills an estimated one million people worldwide. Professor Stephen ...

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Special Antibodies Could Lead to HIV Vaccine

12-Sep-2018

Around one percent of people infected with HIV produce antibodies that block most strains of the virus. These broadly acting antibodies provide the key to developing an effective vaccine against HIV. Researchers from the University of Zurich and the University Hospital Zurich have now shown that ...

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Hitchhiking his way to better drug delivery

Harnessesing blood cells to help nanoparticles cross biological barriers

18-Jul-2018

When Samir Mitragotri entered the University of Mumbai as an undergraduate in the late 1980s, there was only one academic option for students in the “Technology” track: chemical engineering. “None of us really knew what chemical engineering was when we chose to study it, and I was pretty sure I ...

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A 3D structure of 1918 influenza virus-like particles

16-Jul-2018

Virus-like particles (VLPs) are protein-based structures that mimic viruses and bind to antibodies. Because VLPs are not infectious, they show considerable promise as vaccine platforms for many viral diseases, including influenza. Realizing that fine details about influenza VLPs were scant, a ...

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Attacking Flu Viruses from Two Sides

New possibilities for developing better vaccines and more efficient medication to combat flu

05-Apr-2018

Fever, shivering, headaches, and joint pains – each year millions of people around the world are affected by the flu. While most people recover after a few days, the WHO estimates that each year between 250,000 and 500,000 people die from the disease. As there are only few effective treatment ...

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