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Transplanted Organs Bear Perilous Passengers
Tumor cells hidden in a transplanted organ can cause Kaposi sarcoma (KS) in the organ recipient.
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Dysfunctional Gene Dooms Ovarian Tumors
Small alterations in a gene required for responding to chemotherapy can result in drug-resistant ovarian cancer.
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Target And Switch
Two studies explain how immunoglobulin genes are uniquely identified to switch and why other genes aren't accidentally mangled.
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p53 Ways To Kill A Cell
The phosphatase PAC1 is necessary and sufficient to induce p53-dependent cell death.
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Biology's Own 'Department Of Homeland Security'
Structures of the human enzyme hCE1 suggest how hCE1 is able to bind to a wide range of substrates (drugs and chemical warfare agents).
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Cancer Stems From Early Stem Cells
Mathematical model suggests that some late-life cancers may be due to defects occurring in early development.
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NCI Study Estimates More Than 2 Million Women Could Benefit From Tamoxifen
Tamoxifen chemoprevention for women in the United States
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Hydroxyurea Therapy Improves Survival in Most Severely Affected Sickle Cell Patients
Sickle cell anemia patients who took the drug hydroxyurea over a 9-year period experienced a 40 percent reduction in deaths.
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Accident in Animal Lab Raises Questions About a Chemical Used in Some Plastics
A sudden increase in chromosome abnormalities in a mouse colony has raised questions about the safe level of exposure for bisphenol A.
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