such as "Introduction", "Conclusion"..etc
are adding additional brush strokes to the revolutionary new image now
emerging for star-shaped cells called astrocytes in the brain and
spinal cord. Their report, which suggests a key role for astrocytes in
morphine’s ability to relieve pain and cause addiction, appears online
in ACS’ Journal of Proteome Research, a monthly publication.
the study, Piotr Suder and colleagues point out that nearly everyone
viewed astrocytes — the most abundant cells in the brain — as
supporting actors in the drama of brain activity. Scientists thought
astrocytes simply propped up neurons, nerve cells that transmit
signals, and kept them in proper position. Studies during the last
several years, however, suggest that these cells are just as their
Greek name suggests — stars.
scientists exposed added morphine to a group of astrocytes in cell
culture for several days. They found that the morphine-exposed cells
showed increased levels of nine proteins that appear to play a role in
maintaining the normal function of nerve cells. “These proteins, after
additional detailed study of their function, may serve as a potential
marker of drug addiction, or may be the targets for potential therapy,” the article notes.
-- News release courtesy of American Chemical Society
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