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Mechanism That Protects Somatic Cells Against The Behaviour Of Germ Cells Identified
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 and ovules - germ cells-, from the remaining cells, which will be responsible for forming the body - organs and tissues -, and that comprise the somatic cell line. Scientists at the Institute for Research in Biomedicine (IRB Barcelona), headed by Jordi Casanova, research professor at CSIC, have identified the mechanism that protects somatic cells against the behaviour of germ cells. When this mechanism fails, the embryo dies. Made in the fruit fly Drosophila melanogaster, this finding could be universal. This research was published yesterday in the advanced online edition of EMBO Reports.

Novel Light-Sensitive Compounds Show Promise For Cancer Therapy
Chemists at the University of California, Santa Cruz, have developed novel compounds that show promise for photodynamic cancer therapy, which uses light-activated drugs to kill tumor cells.
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Editorial, Opinion Piece Discuss Issues Related To Routine HIV Testing
A recent directive to streamline the HIV testing consent process in Massachusetts as well as consent forms "no longer hav[ing] to accompany test specimens to the lab," are bringing "the state closer to a CDC recommendation that clinicians provide HIV screening on an opt-out basis," according to a Boston Globe editorial. "The opt-out provision is at the heart" of legislation sponsored by state Sen. Patricia Jehlen (D) that would end the state"s requirement of written consent for HIV testing "and instead have healthcare providers inform patients verbally that the test is planned but that they can decline it," the editorial states, adding, "The Jehlen bill would help destigmatize HIV testing itself" (7/6).
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HIV Testing Can Save Thousands Of Lives, CDC Official Says

"Although HIV/AIDS continues to pose a serious threat to the nation"s health, HIV testing is a powerful weapon against the disease," Kevin Fenton, director of CDC"s National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, writes in a CNN.com opinion piece. Fenton writes that every 9 1/2 minutes someone in the U.S. becomes infected with HIV. "That"s 56,000 people every year," Fenton writes, adding, "But there"s something we can all do to help protect ourselves and our partners from this disease - get tested for HIV." He continues, "By increasing the number of people who know their HIV status, we can decrease the number of new HIV infections, and help save thousands of lives" (Fenton, CNN.com, 6/26). This information was reprinted from dailyreports.kff.org with kind permission from the Henry J. Kaiser Family Foundation. You can view the entire Kaiser Daily U.S. HIV/AIDS Report, search the archives and sign up for email delivery at dailyreports.kff.org. © Henry J. Kaiser Family Foundation. All rights reserved.


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