ScienceDaily Health Headlines
for Saturday, September 17, 2011
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Switch that controls stem cell pluripotency discovered (September 16, 2011) -- Scientists have found a control switch that regulates stem cell "pluripotency," the capacity of stem cells to develop into any type of cell in the human body. The discovery reveals that pluripotency is regulated by a single event in a process called alternative splicing. ... > full story
Yellow patches around eyelids predict risk of heart problems, study finds (September 16, 2011) -- Raised yellow patches of skin (xanthelasmata) around the upper or lower eyelids are markers of an individual's increased risk of having a heart attack or suffering from heart disease, a new study finds. ... > full story
Biochemical cell signals quantified: Data capacity much lower than expected, scientists find (September 16, 2011) -- Just as cell phones and computers transmit data through electronic networks, the cells of your body send and receive chemical messages through molecular pathways. The term "cell signaling" was coined more than 30 years ago to describe this process. For the first time, scientists have quantified the data capacity of a biochemical signaling pathway and found a surprise -- it's lower than a dial-up modem. ... > full story
Number of children poisoned by medication rising dramatically, study says (September 16, 2011) -- The number of young children admitted to hospitals or seen in emergency departments because they unintentionally took a potentially toxic dose of medication has risen dramatically in recent years, according to a new study. The rise in exposure to prescription products has been so striking that the U.S. Centers for Disease Control and Prevention has established the PROTECT Initiative, intended to prevent unintended medication overdoses in children. ... > full story
New class of stem cell-like cells discovered offers possibility for spinal cord repair (September 16, 2011) -- Scientists have announced the discovery of a new class of cells in the spinal cord that act like neural stem cells, offering a fresh avenue in the search for therapies to treat spinal cord injury and disease. ... > full story
Resistance to antibiotics is ancient (September 16, 2011) -- New research findings show antibiotic resistance is a natural phenomenon that predates the modern clinical antibiotic use. The breakthrough will have important impact on the understanding of antibiotic resistance. ... > full story
Prenatal exposure to stress linked to accelerated cell aging (September 16, 2011) -- Young adults whose mothers experienced psychological trauma during their pregnancies show signs of accelerated aging, a new study has found. The researchers discovered that this prenatal exposure to stress affected the development of chromosome regions that control cell aging processes. ... > full story
Targeting cholesterol to fight deadly brain cancers (September 16, 2011) -- Blocking the uptake of large amounts of cholesterol into brain cancer cells could provide a new strategy to battle glioblastoma, one of the most deadly malignancies, researchers have found. ... > full story
Genetic differences distinguish stomach cancers, treatment response (September 16, 2011) -- Stomach cancer is actually two distinct disease variations based on its genetic makeup, and each responds differently to chemotherapy, according to an international team of scientists. ... > full story
Carbon nanoparticles break barriers -- and that may not be good (September 16, 2011) -- In a new study, researchers studied cellular alterations in the urine-blood barrier in the kidney caused by repeated exposure to low concentrations of carbon nanoparticles. Among the first to study concentrations of these tiny particles that are low enough to mimic the actual exposure of an ordinary individual, researchers say this is the initial step to understanding the assault on the human body of accidental exposure to CNPs. ... > full story
New approach to tracking the dangers of designer drug meow meow (September 16, 2011) -- Experts from the UK have devised a new questionnaire to detect behavior such as mephedrone use. The aim is to pinpoint exactly how widespread the abuse of substances like mephedrone, commonly called meow meow, is by using a method of data collection that aims to filter out respondents who might not be telling the truth. ... > full story
An apple or pear a day may keep strokes away (September 16, 2011) -- Eating apples and pears may help prevent stroke, according to a new study. While high consumption of fruits and vegetables is associated with lower stroke risk, a Dutch study found that eating fruit and vegetables with white edible portions was associated with a 52 percent lower stroke risk. Apples and pears were the majority of the white fruits and vegetables consumed in the study. ... > full story
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