Cells' internal clocks revealed
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A person's preference for being a "lark" or a "night-owl" is largely determined by genes, a study suggests.
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It might not be visible, but chronic emotional burdens can make your cells age prematurely
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CAMBRIDGE Dec 14, 2004 - Researchers at the Massachusetts Institute of Technology have used rat cells to grow dime-sized swatches of heart tissue that twitch like a beating heart when an electrical current passes through.
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US scientists have mapped a key network of gene &quot;switches&quot; in the brain which could aid neurological research. These gene regulators govern whether parts of the brain develop properly.
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Systems biologists are pushing the envelope of preventive medicine through research centered on the interactions of the thousands of pieces of DNA, RNA and proteins that network together in each cell of our body. By Rowan Hooper.
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U.S. researchers have made a very small research tool that may one day help scientists probe the activity of genes and proteins in a single cell, they said on Thursday, opening the door to a new realm of genetic research.
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Some physicists are creating a revolution in the arcane world of ultra-precise clocks. And among them is a researcher who has trouble getting anywhere on time.
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Reports show cells can help correcting faulty heart rhythms and fighting vision-destroying diseases.
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A fundamental mechanism has been discovered that allows embryonic stem cells to divide indefinitely while avoiding the duplication of genetically damaged cells that can lead to cancer.
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By Larkin, Timothy J; Bubb, William A; Kuchel, Philip W  ABSTRACT  Two resonances are seen in the ^sup 1^H-NMR spectrum of water in erythrocyte suspensions spun at the magic angle, a broad signal from water inside the cells and a sharp signal from extracellular water.
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Researchers have found individual cells in the pancreas of adult mice that are capable of producing insulin, a discovery that might lead to a cure for diabetes.
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It was the kind of breakthrough scientists had dreamed of for decades and its promise to help cure disease appears to be fast on the way to being realized. Researchers in November announced they were able to turn the clock back on skin cells and transform them into stem cells, the mutable building blocks of organs and tissues.
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Individual cells in the pancreas that are capable of producing insulin-producing beta cells have been identified in adult mice by University of Toronto scientists.
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The first complete map of protein interactions in human cells could lead to better treatment for breast cancer.
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At NIST's Time and Frequency lab in Colorado, scientists build precision clocks from elements like mercury and ytterbium. The instruments harness general relativity to detect a range of conditions and situations, from heart defects to subterranean oil fields. Just don't ask them what time it is.
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U.S. scientists have discovered how mammalian eggs undergo maturation through an intricate process of asymmetric cell division.
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NEW YORK  - Scientists are closer to   understanding how a particular gene mutation causes some people   to be extreme morning larks -- findings that could eventually   aid in understanding various sleep disorders.