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Your search has returned 117 articles:
  • News

    Hybrid protein offers malaria protection

    Dogged genetic detective work has led scientists to a hybrid red blood cell protein that offers some protection against malaria.

    Reporting online May 18 in Science, researchers describe a genetic variant that apparently is responsible for the fusion of two proteins that protrude from the membranes of red blood cells. In its hybrid form, the protein somehow makes it more difficult for the...

    05/18/2017 - 14:19 Genetics, Evolution, Immune Science, Biomedicine
  • News

    Lungs enlist immune cells to fight infections in capillaries

    Immune cells in the lungs provide a rapid counterattack to bloodstream infections, a new study in mice finds. This surprising discovery pegs the lungs as a major pillar in the body’s defense during these dangerous infections, the researchers say.

    “No one would have guessed the lung would provide such an immediate and strong host defense system,” says Bryan Yipp, an immunologist at the...

    04/28/2017 - 15:01 Biomedicine, Immune Science, Cells
  • News

    Common virus may be celiac disease culprit

    A common and usually harmless virus may trigger celiac disease. Infection with the suspected culprit, a reovirus, could cause the immune system to react to gluten as if it was a dangerous pathogen instead of a harmless food protein, an international team of researchers reports April 7 in Science.

    In a study in mice, the researchers found that the reovirus, T1L, tricks the immune system...

    04/06/2017 - 14:03 Health, Immune Science
  • News

    Getting dengue first may make Zika infection much worse

    Being immune to a virus is a good thing, until it’s not. That’s the lesson from a study that sought to understand the severity of the Zika outbreak in Brazil. Experiments in cells and mice suggest that a previous exposure to dengue or West Nile can make a Zika virus infection worse.

    “Antibodies you generate from the first infection … can facilitate entry of the Zika virus into...

    03/30/2017 - 16:26 Biomedicine, Health, Immune Science
  • News

    Dengue fever spreads in a neighborly way

    Dengue is a bit of a homebody. By mapping the spread of the virus across Bangkok, scientists found that infections were most likely to occur within a few minutes’ walk of the home of the first person infected.

    Pinpointing where dengue is likely to be transmitted can better focus efforts to stop the spread of the disease, the researchers report in the March 24 Science.

    “We often...

    03/23/2017 - 14:00 Health, Immune Science
  • Science Visualized

    Colorful pinwheel puts a new spin on mouse pregnancy

    View slideshow of other winners

    This rainbow pinwheel of mouse placentas isn’t just an eye-catching, award-winning image. The differences in color also provide researchers with new clues to how a mother’s immune system may affect her or her baby’s health during pregnancy. The work could lead to earlier diagnosis and treatment of preeclampsia, a common pregnancy complication. 

    ...

    03/22/2017 - 07:00 Animals, Immune Science, Science & Society
  • Feature

    Cancer cells cast a sweet spell on the immune system

    Shrink yourself small enough to swoop over the surface of a human cell, and you might be reminded of Earth’s terrain. Fats, or lipids, stay close to the surface, like grasses and shrubs. Proteins stand above the shrubs, as mighty oaks or palm trees. But before you could distinguish the low-lying lipids from the towering proteins, you’d see something else adorning these molecules — sugars.

    ...
    03/21/2017 - 12:00 Cancer, Immune Science
  • News

    Bacteria genes offer new strategy for sterilizing mosquitoes

    A pair of bacterial genes may enable genetic engineering strategies for curbing populations of virus-transmitting mosquitoes.

    Bacteria that make the insects effectively sterile have been used to reduce mosquito populations. Now, two research teams have identified genes in those bacteria that may be responsible for the sterility, the groups report online February 27 in Nature and Nature...

    02/27/2017 - 11:00 Immune Science, Genetics
  • News

    Common fungus may raise asthma risk

    BOSTON — A fungus among us may tip the body toward developing asthma.

    There’s mounting evidence that early exposure to microbes can protect against allergies and asthma (SN Online: 7/20/16). But “lo and behold, some fungi seem to put kids at risk for asthma,” microbiologist Brett Finlay said February 17 at a news conference during the annual meeting of the American Association for the...

    02/17/2017 - 17:57 Health, Immune Science, Human Development
  • News in Brief

    Rapid Ebola test to detect early infection in the works

    WASHINGTON — Diagnosing Ebola earlier is becoming almost as easy as taking a home pregnancy test. 

    Scientists are developing antibodies for a test that can sniff out the deadly virus more quickly and efficiently than current tests, researchers reported February 6 at the American Society for Microbiology Biothreats meeting.

    Detecting Ebola’s genetic material in patients’ blood...

    02/10/2017 - 16:46 Immune Science