Obstetrics & gynaecology

Simple twist of DNA determines fate of placenta

The development of the mammalian placenta depends upon an unusual twist that separates DNA's classic double helix into a single-stranded form, Yale researchers report July 15 in the journal Nature.

Medical research

Preventing metastasis: An antibody with therapeutic potential

A receptor in the cell layer that lines the blood vessels from the inside stimulates both the formation of new blood vessels in tumors and metastasis. Scientists at the German Cancer Research Center in Heidelberg (DKFZ) and ...

Medical research

Lymphoma's different route revealed

Creating new blood vessels, a process called angiogenesis, for tumors in lymph nodes is different than for tumors in other parts of the body, such as the colon or lung, a team from the Max Delbrueck Center for Molecular Medicine ...

Medical research

Researchers successfully stop blood vessel, tumor growth in mice

Scientists at the National Institutes of Health and other institutions have devised a new strategy to stop tumors from developing the new blood vessels they need to grow. Once thought to be extremely promising for the treatment ...

Medical research

S1P and its receptor: New approaches to cancer?

In 1998, when Timothy Hla, Ph.D., and his colleagues identified and cloned the receptor for sphingosine-1-phosphate (S1P), it generated a lot of excitement. S1P, a lipid originally discovered in the 1960s, was known to play ...

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