ScienceDaily Health Headlines -- for Sunday, April 24, 2011

ScienceDaily Health Headlines

for Sunday, April 24, 2011

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Liver-cell transplants show promise in reversing genetic disease affecting liver and lungs (April 23, 2011) -- Transplanting cells from healthy adult livers may work in treating a genetic liver-lung disorder that affects millions of people worldwide, according to a new animal study. ... > full story

Study adds weight to link between calcium supplements and heart problems (April 23, 2011) -- New research adds to mounting evidence that calcium supplements increase the risk of cardiovascular events, particularly heart attacks, in older women. ... > full story

For family violence among adolescents, mattering matters (April 23, 2011) -- Teens and adolescents who believe that they matter to their family -- that is, they feel the make a difference in the family's daily doings -- are significantly less likely to threaten or engage in family violence, according to a new study. ... > full story

Scientists engineer nanoscale vaults to encapsulate 'nanodisks' for drug delivery (April 23, 2011) -- The first steps toward the development of the vault nanoparticle into a versatile and effective DDS are reported in this paper. The ability to encapsulate therapeutic compounds into the vault is a critical and fundamental obstacle in their development for small-molecule drug delivery. Recombinant vaults are engineered to encapsulate the highly insoluble and toxic hydrophobic compound all-trans retinoic acid (ATRA) using a vault-binding lipoprotein complex that forms a lipid bilayer nanodisk. ... > full story

New approach to defeating flu shows promise (April 23, 2011) -- New research on mice has shown that pulmonary administration of granulocyte macrophage-colony stimulating factor (GM-CSF) significantly reduces flu symptoms and prevents death after a lethal dose influenza virus. While GM-SCF therapy for humans as a flu prophylaxis or treatment may be years away, the study results were striking: All of the mice treated with GM-SCF survived after being infected with the influenza virus, whereas untreated mice all died from the same infection. ... > full story

Frog embryos lead to new understanding of cardiac development (April 23, 2011) -- During embryonic development, cells migrate to their eventual location in the adult body plan and begin to differentiate into specific cell types. There is now new insight into how these processes regulate tissues formation in the heart. ... > full story

C. difficile colonization accompanied by changes in gut microbiota: Study hints at probiotics as treatment (April 23, 2011) -- Asymptomatic colonization by Clostridium difficile, absent the use of antibiotics, is common in infants and when it happens changes occur in the composition of the gut microbiota, according to new research. ... > full story

Functioning synapse created using carbon nanotubes: Devices might be used in brain prostheses or synthetic brains (April 22, 2011) -- Engineering researchers have made a significant breakthrough in the use of nanotechnologies for the construction of a synthetic brain. They have built a carbon nanotube synapse circuit whose behavior in tests reproduces the function of a neuron, the building block of the brain. ... > full story

Anti-depressants boost brain cells after injury in early studies (April 22, 2011) -- When neurosurgeons noticed that patients with brain injuries who had been prescribed anti-depressants were doing better in unexpected ways than their counterparts who were not taking such medications, scientists took a closer look. Early results in mice indicate that anti-depressants may help spur the creation and survival of new brain cells after brain injury. ... > full story

Worm studies shed light on human cancers (April 22, 2011) -- Research in the worm is shedding light on a protein associated with a number of different human cancers, and may point to a highly targeted way to treat them. ... > full story

Parasite strategy offers insight to help tackle sleeping sickness (April 22, 2011) -- Fresh insight into the survival strategy of the parasite that causes sleeping sickness could help inform new treatments for the disease. ... > full story

Quality of parent-toddler relationship could affect risk for childhood obesity (April 22, 2011) -- Toddlers who do not have a secure emotional relationship with their parents, and particularly their mothers, could be at increased risk for obesity by age 4 and a half, according to new research. The study suggests that children at age 24 months who show insecure attachment patterns have at least 30 percent higher odds for obesity by age 4 and a half. ... > full story

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