News tagged with egg cells
New technique could eliminate inherited mitochondrial disease
Aug 26, 2009 |
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Researchers funded by the National Institutes of Health have developed an experimental technique with the potential to prevent a class of hereditary disorders passed on from mother to child. The technique, as yet conducted ...
New technique could save cancer patients' fertility
Jul 13, 2009 |
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The tiny translucent egg nestled in the special laboratory gel was a mere 30 days old, but its four-week birthday caused researchers to quietly celebrate. This was the first time anyone had successfully grown a woman's immature ...
Estrogen linked to lowered immunity in fish
Jun 03, 2009 |
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Exposure to estrogen reduces production of immune-related proteins in fish. This suggests that certain compounds, known as endocrine disruptors, may make fish more susceptible to disease.
Italian doctor says he has cloned three babies
Mar 03, 2009 |
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A controversial Italian doctor known for his work allowing post-menopausal women to have children has claimed in an interview to have cloned three babies who are now living in eastern Europe.
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The egg makes sure that sperm don't get too old
Mar 25, 2009 |
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In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result ...
Egg P bodies protect maternal gene messages
Biology /
Aug 11, 2008 |
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A cell decides what proteins to make based on the messages it receives from its genome. Sometimes messages are held back to be read later, and in most cell types these delayed messages are stored and eventually marked for ...
Egg whites solve the 3-D problem
Biology /
Oct 07, 2008 |
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The real world is three-dimensional. That's true even in the laboratory, where scientists have to grow cells to study how they develop and what happens when their growth is abnormal.
Researchers identify key proteins needed for ovulation
May 14, 2009 |
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Researchers from the National Institutes of Health and other institutions have identified in mice two proteins essential for ovulation to take place.
New developments in reproductive medicine
Aug 31, 2009 |
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Three out of ten women who undergo polar body diagnosis go on to have a child. The extensive technique of polar body analysis (PBA) is described by researchers in reproductive medicine at Lübeck, Germany, in an article in ...
Protecting cells from their neighbors
Aug 03, 2009 |
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Almost all organisms evolve from a single cell, a fertilised egg. In the first hours after fertilisation, the fate of its future development is determined. It is dictated by the separation of cells that will become sperm ...
Researchers improve zebrafish cloning methods
Aug 30, 2009 |
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A team of Michigan State University researchers has developed a new, more efficient way of cloning zebra fish, a breakthrough that could have implications for human health research.
Matrimony inhibits Polo kinase
Biology /
Dec 04, 2007 |
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Suspended animation is something we only associate with Sci Fi programs, but something remarkably similar actually occurs in unfertilized egg cells, in the ovaries of animals as different as humans and fruit flies. In an ...
A unique arrangement for egg cell division
Biology /
Aug 09, 2007 |
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Which genes are passed on from mother to child is decided very early on during the maturation of the egg cell in the ovary. In a cell division process that is unique to egg cells, half of the chromosomes are eliminated from ...
Scientists demonstrate the process of mammalian egg maturation
Biology /
Feb 05, 2007 |
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The Rong Li lab team has answered an important question about how mammalian eggs undergo maturation through an intricate process of asymmetric cell division. The team discovered a novel pathway by which chromatin exerts command ...
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