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Keyword: microchimerism

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  • Do you carry DNA of former lovers in your body?

    06/20/2013 5:29:54 PM PDT · by Maelstorm · 53 replies ^ | January 28, 2011 | Jena Pincott
    This bit of science arcanum is especially cringe-worthy. Many years ago, scientists first discovered that a large minority of women have Y-chromosome gene sequences in their blood. At first glance, this seems strange. Men are born with Y-chromosomes but most women are not. The male cells in these women mustíve come from somewhere else. But where? The most obvious source is a fetus. Nearly every woman who has ever been pregnant or had a baby has cells from her fetus circulating in her bloodstream. These cells filter through the placenta and reside in the motherís bloodstream and/or organs ó including...
  • Scientists Discover Childrenís Cells Living in Mothersí Brains

    12/07/2012 1:50:17 PM PST · by NYer · 67 replies
    Scientific American ^ | December 4, 2012 | Robert Martone
    The link between a mother and child is profound, and new research suggests a physical connection even deeper than anyone thought. The profound psychological and physical bonds shared by the mother and her child begin during gestation when the mother is everything for the developing fetus, supplying warmth and sustenance, while her heartbeat provides a soothing constant rhythm. The physical connection between mother and fetus is provided by the placenta, an organ, built of cells from both the mother and fetus, which serves as a conduit for the exchange of nutrients, gasses, and wastes. Cells may migrate through the placenta...
  • Some women actually have men on the brain

    09/27/2012 3:29:18 PM PDT · by neverdem · 18 replies
    LA Times ^ | September 27, 2012 | Melissa Healy
    For decades after a woman has carried a male child in her womb or shared her mother's womb with a brother, she carries a faint but unmistakable echo of that intimate bond: male fetal DNA that lodges itself in the far recesses of her brain. That astonishing finding, published Wednesday in the journal Public Library of Science One (PLoS One), suggests that the act of having a child is no mere one-way transmission of genetic material and all that goes with it: There is an exchange of DNA that passes into the part of us that makes us who we...
  • Mothers And Offspring Can Share Cells Throughout Life

    05/04/2008 8:45:26 PM PDT · by blam · 7 replies · 163+ views
    Science Daily ^ | 5-5-2008 | Fred Hutchinson Cancer Research Center.
    Mothers And Offspring Can Share Cells Throughout Life ScienceDaily (May 5, 2008) ó Cutting the umbilical cord doesnít necessarily sever the physical link between mother and child. Many cells pass back and forth between the mother and fetus during pregnancy and can be detected in the tissues and organs of both even decades later. This mixing of cells from two genetically distinct individuals is called microchimerism. The phenomenon is the focus of an increasing number of scientists who wonder what role these cells play in the body. A potentially significant one, it turns out. Research implicates that maternal and fetal...
  • Cells Passed From Mother To Child May Be First Step In Developing New Treatments For Type 1 Diabetes

    01/24/2007 9:07:08 PM PST · by hocndoc · 12 replies · 427+ views
    Science Daily ^ | January 23, 2007
    For the first time, scientists have discovered that cells passed from mother to child during pregnancy can differentiate into functioning islet beta cells that produce insulin in the child. The same study also found that maternal DNA was found in greater amounts in the blood of children and young adults with Type 1 diabetes than their healthy siblings and a control group, implying that they may be attempting to repair damaged tissue.