News tagged with cellular mechanism
Study finds analysis of many species required to better understand the brain
To get a clear picture of how humans and other mammals form memories and find their way through their surroundings, neuroscientists must pay more attention to a broad range of animals rather than focus on ...
Neuroscience
Apr 29, 2013 |
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Scientists use nature against nature to develop an antibiotic with reduced resistance
A new broad range antibiotic, developed jointly by scientists at The Rockefeller University and Astex Pharmaceuticals, has been found to kill a wide range of bacteria, including drug-resistant Staphylococcus (MRSA) bacter ...
Medications
Apr 10, 2013 |
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Sizing up bone growth: A surprising cellular mechanism drives skeletal proportions
(Medical Xpress)—Stroll through the Harvard Museum of Natural History and gaze up at the whale skeleton looming overhead. Look down at the furry foxes curled up inside their glass display cases. Don't forget ...
Medical research
Mar 14, 2013 |
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Life experiences put their stamp on the next generation: New insights from epigenetics
The 18th century natural philosopher Jean-Baptiste Lamarck proposed that the necks of giraffes lengthened as a consequence of the cumulative effort, across generations, to reach leaves just out of their grasp. This view of ...
Psychology & Psychiatry
Feb 14, 2013 |
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Bioelectric signals can be used to detect early cancer
Biologists at Tufts University School of Arts and Sciences have discovered a bioelectric signal that can identify cells that are likely to develop into tumors. The researchers also found that they could lower ...
Medical research
Feb 01, 2013 |
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Beta-catenin molecule is required for tooth root formation
Today, the International and American Associations for Dental Research (IADR/AADR) published a paper titled "ß-catenin is Required in Odontoblasts for Tooth Root Formation." The paper, written by lead authors Tak-Heun Kim ...
Dentistry
Jan 23, 2013 |
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Circadian rhythms can be modified for potential treatment of disorders
(Medical Xpress)—UC Irvine-led studies have revealed the cellular mechanism by which circadian rhythms – also known as the body clock – modify energy metabolism and also have identified novel compounds that control ...
Cardiology
Jan 22, 2013 |
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The skin aging regulator
Despite progress in regenerative medicine, with age, the skin loses its properties in an irreversible manner. The ATIP-Avenir team "Epidermal homeostasis and tumorigenesis" directed by Chloé Féral, an Inserm ...
Medical research
Jan 22, 2013 |
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Scientists use luminescent mice to track cancer and aging in real-time
In a study published in the January 18 issue of Cell, researchers from the University of North Carolina Lineberger Comprehensive Cancer Center have developed a new method to visualize aging and tumor growth ...
Medical research
Jan 17, 2013 |
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Diabetic fruit flies support buzz about dietary sugar dangers
Regularly consuming sucrose—the type of sugar found in many sweetened beverages—increases a person's risk of heart disease. In a study published January 10 in the journal PLOS Genetics, researchers at San ...
Genetics
Jan 17, 2013 |
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Cancer biology: Keeping bad company
The p53 tumor suppressor protein manages DNA repair mechanisms in response to genetic damage and kills off precancerous cells before they multiply. The loss of p53 due to mutation greatly increases risk of ...
Cancer
Jan 16, 2013 |
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Rhythms in the brain help give a sense of location, study shows
Research at the University of Edinburgh tracked electrical signals in the part of the brain linked to spatial awareness.
Neuroscience
Jan 10, 2013 |
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New study finds key mechanism in calcium regulation
All living cells keep their cellular calcium concentration at a very low level. Since a small increase in calcium can affect many critical cellular functions (an elevated calcium concentration over an extended period can ...
Neuroscience
Jan 03, 2013 |
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Protein kinase Akt identified as arbiter of cancer stem cell fate, paper reports
(Medical Xpress)—The protein kinase Akt is a key regulator of cell growth, proliferation, metabolism, survival, and death. New work on Akt's role in cancer stem cell biology from the lab of senior author ...
Cancer
Dec 20, 2012 |
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Helping the nose know: Researcher answers 100-year-old question about how olfactory feedback mechanism works
More than a century after it was first identified, Harvard scientists are shedding new light on a little-understood neural feedback mechanism that may play a key role in how the olfactory system works in the brain.
Neuroscience
Dec 19, 2012 |
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