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Neurons That Know The Odds
Study reports that neurons in a part of the brain called the posterior cingulate cortex represent the riskiness of choices in monkeys.
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New Treatment Against SARS Effective In Monkeys
Small interfering RNAs, short RNA sequences that can inhibit gene expression, are effective against infection with the severe acute respiratory syndrome (SARS) virus in monkeys.
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Study Of Lymph Vessels Makes A Leap
Scientists present tadpoles of the African clawed frog Xenopus laevis as a model for investigating the development of lymph vessels.
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Avoiding New Food Allergens
Discussions on the steps taken to detect new food allergens from genetically modified plants and the limitations of these safeguard measures.
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Passport For Emigrating Immune Cells
Two reports suggest exit of immune cells from peripheral tissues does not passively occur but requires the expression of a specialized receptor called CCR7.
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Unwinding Fanconi Anemia
Five studies provide insight into the mechanism underlying the chromosomal instability that characterizes the disease Fanconi anemia.
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Seeing Cathepsin
The activity of cathepsins, cysteine proteases involved in a number of stages of tumor development, is visualized in a cellular model of a tumor microenvironment.
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Viewing Receptor Clusters In A Heart Beat
Researchers report the use of a high-resolution imaging technique to visualize heart cell receptor clusters for the first time.
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Antibiotic Assembly Line
Scientists have turned bacteria into miniature factories for producing novel types of antimicrobial compounds at unprecedented rates.
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Nature INSIGHT Review Article: The Challenges Of Hepatitis C
Combinations of multiple drugs will be required for the successful treatment of hepatitis C virus (HCV).
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Hair And Telomere
Scientists describe how activating the protein in skin cells results in rapid hair growth.
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A Newly Discovered Pathway To Haemoglobin Production
A study provides a new link between two fundamental processes - haem production and the formation of iron-sulphur clusters on proteins.
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A Rewarding View On Orexin Cells
Activation of neurons that contain the neurotransmitter orexin in the lateral hypothalamus is proportionally linked to food- and drug-seeking behaviours in rats.
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