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Les en-têtes de football pourraient être plus risqués pour les porteurs du génotype APOE4

02 février 2020 – Les en-têtes de football pourraient être plus risqués pour les porteurs du génotype APOE4 – c’est le titre d’un récent article de Reuters Health dans Medscape. Par conséquent, les joueurs de football avec le génotype de l’apolipoprotéine E4 (APOE4) devraient être en mesure de limiter le nombre d’en-têtes,

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Les individus de peau foncée aux cheveux blonds naturels – En génétique, tout est possible

8 août 2019 – Les cheveux blonds sont un phénotype humain plutôt rare, présent presque exclusivement en Europe et en Océanie. La pigmentation humaine varie considérablement au sein des populations et entre les populations et dépend de l’exposition aux rayons ultraviolets (UV) ainsi que du type et de la quantité de mélanine produit dans les mélanocytes et les kératinocytes.

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Aspects génétiques de la globésité: Glocalisés oui ou non?

juin 26, 2019 – L’épidémie mondiale d’obésité est si importante qu’elle a maintenant un nom prépondérant: la globésité (qui découle évidemment de l’obésité globale). Des questions très intéressantes se posent dans ce contexte, à savoir s’il existe des facteurs glocalisés (globaux ou locaux) impliqués dans cette épidémie.

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  • New COVID-19 related genes—helpful and harmful—found in massive screen octobre 26, 2020
    Researchers at Yale University and the Broad Institute of MIT and Harvard screened hundreds of millions of cells exposed to the COVID-19 and MERS viruses and identified dozens of genes that both enable the viruses to replicate in cells and also those that seem to slam the door on the virus.
  • Genetic predisposition to increased weight is protective for breast and prostate cancer octobre 26, 2020
    Although a recent campaign by Cancer Research UK emphasized obesity as a risk factor for cancer on par with smoking, the scientific literature on the relationship between increased weight and cancer risk is not so clear. In a new analysis, researchers from Brunel University London found that increasing weight is causally protective for breast and […]
  • Insights into the genetic architecture of penicillin allergy octobre 26, 2020
    Researchers announce the first robust evidence for the role of the major histocompatibility complex gene HLA-B in penicillin allergy. To identify genetic risk factors for penicillin allergy, the international team of researchers harnessed self-reported data and the electronic health records of more than 600,000 people, as well as replicating their findings in two independent research […]
  • Breast cancer risk and disease-causing mutations in women over age 65 octobre 26, 2020
    Women with the onset of breast cancer over age 65 often do not qualify for genetic testing, yet little is known about the frequency of disease-causing mutations in breast cancer predisposition genes in this population. In a new study, researchers investigated the prevalence of disease-causing variants in established breast cancer predisposition genes and estimated the […]
  • Cell-free DNA provides a dynamic window into health octobre 26, 2020
    Short fragments of cell-free DNA (cfDNA) that circulate in blood, urine, and other biofluids can offer an information-rich window into human physiology and disease. By looking at the methylation markers of cfDNA, researchers can identify the tissue from which the DNA came. A new study used this method to monitor infectious and immune-related diseases, including […]
  • 3D printing the first ever biomimetic tongue surface octobre 26, 2020
    Scientists have created synthetic soft surfaces with tongue-like textures for the first time using 3D printing, opening new possibilities for testing oral processing properties of food, nutritional technologies, pharmaceutics and dry mouth therapies.
  • Surprised researchers: Number of leopards in northern China on the rise octobre 26, 2020
    Most of the world's leopards are endangered and generally, the number of these shy and stunning cats is decreasing. However, according to a recent study by a researcher from University of Copenhagen and colleagues from China, leopard populations in northern China are on the mend. Discover why below.
  • Powering the future: new insights into how alkali-metal doped flexible solar cells work octobre 26, 2020
    A group of scientists from Korea has discovered that the amount of alkali metal introduced into crystals of flexible thin-film solar cells influences the path that charge carriers take to traverse between electrodes, thereby affecting the light-to-electricity conversion efficiency of the solar cell. Given the immense application potential that such solar cells have today, this […]
  • Scientists establish NanDeSyn Database to support international cooperation on industrial microalgae octobre 26, 2020
    To promote resource sharing and research cooperation for the synthetic biology and molecular breeding of industrial oil-producing microalgae, an international team led by Single-Cell Center (SCC), Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS), has released the "NanDeSyn Database" (http://www.nandesyn.org).
  • A heart-breast cancer-on-a-chip monitoring system octobre 26, 2020
    Dual-organ system enables the measurement of cardiac toxicity arising from breast cancer chemotherapy. A collaborative team, which includes a group from the Terasaki Institute for Biomedical Innovation, has developed an organs-on-a-chip system that more widely examines the responses of breast cancer and heart tissues to therapeutic breast cancer drugs.
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