Tag: Ulrich Von Andrian-Werburg

  • Health

    Blood stem cells fight invaders

    No other stem cell is more thoroughly understood than the blood, or hematopoietic, stem cell. These occasional and rare cells, scattered sparingly throughout the marrow and capable of replenishing an entire blood system, have been the driving force behind successful bone marrow transplants for decades. Scientists, for the most part, have seen this as the…

    3–5 minutes
  • Health

    Innate signal sparks homing of T cells

    The results of three studies published together in the Aug. 31, 2003 online edition of Nature Immunology help explain the uncanny ability of T cells to home to problem areas in the body and suggest potential new mechanisms to treat inflammatory diseases, such as asthma. When one fast-acting lipid hits the panic button about a…

    1–2 minutes
  • Health

    Remote-control immunity up close

    When we receive a wound, disease-fighting cells rush to the scene to do combat with bodily invaders. But how does this work? When we receive a wound, cells near the wound send out chemical signals to attract disease-fighting cells. These chemical messengers travel to the lymph nodes in our bodies. The lymph node is, according…

    1–2 minutes