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2012-05-11 15:09:28

New research findings show that embryonic stem cells unable to fully compact the DNA inside them cannot complete their primary task: differentiation into specific cell types that give rise to the various types of tissues and structures in the body. Researchers from the Georgia Institute of Technology and Emory University found that chromatin compaction is required for proper embryonic stem cell differentiation to occur. Chromatin, which is composed of histone proteins and DNA, packages DNA...

2012-05-07 13:37:07

New research in the FASEB Journal suggests that Rev-Erb alpha, a known component of the body clock, plays the role of a molecular integrator which ensures proper timing in fuel use and energy homeostasis If you're counting calories to lose weight, that may be only part of the weight loss equation says a new research report published online in The FASEB Journal (http://www.fasebj.org). In the report, French scientists show that impairments to a gene known to be responsible for our internal...

2012-05-03 15:09:07

Presentations at the 4th IMPAKT Breast Cancer Conference American and Spanish researchers have found potential ways for doctors to improve the treatment of hormone receptor-positive breast cancer even if they lack access to costly multi-gene tests, as they report at the 4th IMPAKT Breast Cancer Conference. Because breast cancer is a biologically and clinically varied disease, doctors aim to choose appropriate treatments based on the characteristics of each patient's individual tumor. In...

2012-05-02 15:09:41

In the United States, a baby is born with a facial cleft every hour, of every day of the year! Such birth defects result from both gene mutations and environmental insults. PRDM16 is a transcription factor originally described as being aberrantly activated in specific types of leukemia's, and more recently as a master regulator of brown adipose tissue differentiation. In a study published in the April 2012 issue of Experimental Biology and Medicine, investigators have now shown that this...

2012-04-27 00:05:50

Researchers at The Wistar Institute announce the discovery of small molecules that kill cancer cells caused by infection with human papillomavirus (HPV).  Their results, in both cell and mouse models, demonstrate that the small molecule inhibitors protect a tumor-suppressing protein targeted by viral proteins, thus killing the infected tumor cells. The Wistar scientists presented their findings in the April 20 issue of the journal Chemistry & Biology.  The researchers believe...

2012-04-26 23:54:58

Researchers trace influence via mouse model that allows oncogene to be turned on and off A genetic mutation that drives the initiation of pancreatic cancer also manipulates metabolic pathways to support tumor growth and progression, scientists report in the journal Cell. This newly discovered role for the Kras oncogene opens up a new category of potential targets for thwarting the influential mutation, which has proved difficult to attack directly, said study co-lead author Haoqiang...

2012-04-11 22:30:42

Anyone who's tried a weekend home improvement project knows that to do a job right, you've got to have the right tools. For cells, these "tools" are proteins encoded by genes. The right genes for the job are turned on only in the specific cells where they are needed. And every cell in your body has a specific job to do. Cells in your pancreas have to produce insulin, while cells in the retina of your eye must be able to sense light and color. Like using the wrong tool for the job, if the...


Word of the Day
cruet
  • A vial or small glass bottle, especially one for holding vinegar, oil, etc.; a caster for liquids.
This word is Middle English in origin, and ultimately comes from the Old French, diminutive of 'crue,' flask.
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