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Viral Highways: Spreading From Cell To Cell
A number of retroviruses, including HIV, induce cells to form long bridges along which the virus particles move from infected cells to uninfected cells.
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Splicing Out Of Control
A factor that regulates gene function by splicing messenger RNA may be involved in tumor formation.
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Abnormal Cell Migration
Mutations in a certain type of oncogene and tumor suppressor can collaborate to send cancerous cells into a malignant state.
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Sleep Deprivation Impairs Subsequent Learning
Sleep deprivation may impair the memory for subsequent experiences by altering the function of the hippocampus.
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A Method To Regrow Teeth
Scientists have for the first time successfully replaced natural teeth in mice with teeth that were created in a Petri dish from single cells.
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Making Room For Others
Newly activated antibody-producing immune cells can displace older antibody-synthesizing residents in the bone marrow.
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Consortium Tackles The Genetic Basis Of Autism
The genomes of the largest collection of families with multiple cases of autism ever assembled have been scanned in a new study.
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Large-Scale Survey Of Mutations In Cancer
One of the largest surveys of mutations in human cancers is reported online.
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Common Genetic Variant Protects Against Breast Cancer
Scientists have confirmed that a common genetic variant -- CASP8 -- offers modest protection against breast cancer,
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Human Adult Stem Cells Can Regenerate Muscle
Human adult stem cells isolated from human adult blood vessels are able to regenerate muscle in a mouse model of muscular dystrophy.
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HIV Reveals Vulnerable Side
Researchers view the crystal structure of a known broadly neutralizing human immunodeficiency virus (HIV-1) antibody as it binds to a specific part of HIV-1
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In utero Protein Regulation
A novel strategy for regulating a protein important in development is described.
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Genetic Indicators Of Type 2 Diabetes Risk
Geneticists have identified five different areas of DNA base-pair change that contribute significantly towards the risk of developing type 2 diabetes mellitus.
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'Out Of Africa' With Helicobacter pylori
Scientists report that the key patterns in the distribution of H. pylori genetic diversity mirror those of its human host.
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