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image: The Seat of Memory

The Seat of Memory

By | September 1, 2011

Early on, researchers had learned that the hippocampus was the structure in the brain where long-term memories were created and stored, but it was not known whether the different cell types within this structure might be more or less susceptible to the aging process.

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Contributors

September 1, 2011

Meet some of the people featured in the September 2011 issue of The Scientist.

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image: Hold That Thought

Hold That Thought

By | September 1, 2011

In the memory circuits of the aging brain and the signaling pathways of pain, science is trading mystery for mastery.

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image: The Cytokine Cycle

The Cytokine Cycle

By | September 1, 2011

The initiating cause of Alzheimer’s disease is still unknown. However, from our studies it’s clear that many types of neuronal damage—­­from traumatic brain injury, to epilepsy, infection, or genetic predisposition—­can activate brain immune cells—microglia and astrocytes-- promoting them to produce IL-1 and S100 inflammatory cytokines.

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image: Blood’s Role in the Aging Brain

Blood’s Role in the Aging Brain

By | August 31, 2011

A blood protein involved in allergy contributes to the decline in brain function and memory in aging mice.

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image: Velcro Helps Muscles Grow

Velcro Helps Muscles Grow

By | August 31, 2011

Stretching muscle cells as they grow helps promote the expression of growth factors.

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image: Alzheimer’s Mice Still Available

Alzheimer’s Mice Still Available

By | August 17, 2011

Dropped from a patent lawsuit, at least one lab will be allowed to continue research on mouse models of Alzheimer’s disease.

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image: Next Generation: Hundreds of Cell-Analyses at Once

Next Generation: Hundreds of Cell-Analyses at Once

By | August 11, 2011

A new microfluidics chip lets researchers analyze the nucleic acids of 300 individual cells simultaneously.

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image: Lab-Grown Sperm

Lab-Grown Sperm

By | August 4, 2011

Healthy mice are born from germ cell precursors grown in vitro.

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image: Deconstructing the Mosaic Brain

Deconstructing the Mosaic Brain

By | August 1, 2011

Sequencing the DNA of individual neurons is a way to dissect the genes underlying major neurological and psychological disorders.

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