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27 Current news of universite-de-geneve

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Mobile phone use may affect semen quality

Is 4G less harmful than 2G?

29-Nov-2023 - How does electromagnetic radiation emitted by mobile phones affect semen quality? A research team from Geneva and Basel has published a major cross-sectional study on the subject. It shows that frequent use of mobile phones does have an effect on sperm concentration and total sperm count. Semen ...

fertility sperm cells
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Capturing CO2 with electricity: A microbial enzyme inspires electrochemistry

Towards a new solution for atmospheric CO2 utilization

04-Oct-2023 - Humans continuously emits greenhouse gases, worsening global warming. For example, carbon dioxide (CO2) accumulates dramatically over the years and is chemically very stable. Yet, some microbes capture CO2 using highly efficient enzymes. Scientists from the Max Planck Institute for Marine ...

carbon dioxide CO2 capturing CO2 fixation +7
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How the flu virus hacks our cells

A UNIGE team has discovered how the influenza A virus hijacks the mechanism for importing iron into cells to invade its host

07-Jun-2023 - Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak havoc on animals, as in the case of avian flu. A team from the University of Geneva (UNIGE) has identified how the ...

acute respiratory infection avian influenza haemagglutinin +3
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A new nanoparticle to act at the heart of cells

A team from UNIGE and LMU developed a transport nanoparticle to make an anti-inflammatory drug much more effective and less toxic

11-Nov-2022 - How can a drug be delivered exactly where it is needed, while limiting the risk of side effects? The use of nanoparticles to encapsulate a drug to protect it and the body until it reaches its point of action is being increasingly studied. However, this requires identifying the right nanoparticle ...

drug delivery encapsulation macrophages +2
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A new weapon against antibiotic-resistant bacteria

A UNIGE team reveals that a drug used against herpes can fight a bacterium that is resistant to most antibiotics by weakening its defence mechanisms

09-Nov-2022 - The unreasonable use of antibiotics has pushed bacteria to develop resistance mechanisms to this type of treatment. This phenomenon, known as antibiotic resistance, is now considered by the WHO as one of the greatest threats to health. The lack of treatment against multi-resistant bacteria could ...

antibiotic resistance antibiotics edoxudine +1
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Awakening «dormant» cells to fight cancer

A team from the UNIGE and the HUG has succeeded in identifying a drug-targetable mechanism whose blockage reduces the capacity of melanoma cells to adapt and resist to treatment

27-Sep-2022 - The advent of small-molecule targeted therapies, a decade ago, revolutionized the treatment of metastatic melanoma, provided that the tumors carry the mutations to respond to these treatments. However, despite a remarkable initial response that can be seen in a majority of patients, most of them ...

metastatic melanoma proteins tumors
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Diabetes: When circadian lipid rhythms go wrong

A team from Geneva, Switzerland, shows that the disruption of lipid temporal profiles in type 2 diabetes stiffens the membrane of pancreatic endocrine cells, which could alter their function.

21-Sep-2022 - Like all living beings, human physiological processes are influenced by circadian rhythms. The disruption of our internal clocks due to an increasingly unbalanced lifestyle is directly linked to the explosion in cases of type 2 diabetes. By what mechanism? A team from the University of Geneva ...

metabolism phospholipids sphingolipids +1
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Making it easier to differentiate mirror-image molecules

Researchers have shown that mirror-image substances – so-called enantiomers – can be better distinguished using helical X-ray light

06-Jul-2022 - Using a new method, scientists are better able to distinguish between mirror-image substances. This is important amongst others in drug development, because the two variants can cause completely different effects in the human body. Researchers from Paul Scherrer Institute PSI, EPF Lausanne ...

chemical analysis chirality enantiomers +2
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Cancer: The double advantage of killer T-cells

UNIGE scientists highlight the unexpected effect of certain immunotherapies to prevent cancer metastases

13-Jun-2022 - To grow, tumours rely on a specific structure, the tumour stroma. This includes blood vessels, which provide the nutrients necessary for the multiplication of diseased cells, and of lymphatic vessels, through which they migrate to metastasise. The development of lymphatic vessels — a mechanism ...

blood vessels cancer lymphangiogenesis +2
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Cystic fibrosis: Restoring airway integrity

UNIGE team reveals that hydrating the surface of the airways of people with cystic fibrosis restores their protective barrier against unwanted bacteria

26-May-2022 - Cystic fibrosis is a rare genetic disease which can cause very serious symptoms. In particular, patients suffer from chronic bacterial infections that can lead to respiratory failure. It is caused by mutations in the CFTR gene, which regulates water movement across the cell membrane. ...

bacterial infections cystic fibrosis