ScienceDaily: Health & Medicine News |
- New infant formula ingredients boost babies' immunity by feeding their gut bacteria
- Reversing Alzheimer's gene 'blockade' can restore memory, other cognitive functions
- Effects of a concussion may last longer than symptoms
- How insects 'remodel' their bodies between life stages
- Reawakening neurons: Researchers find an epigenetic culprit in memory decline
- Blockade of learning and memory genes may occur early in Alzheimer's disease: Treatable in mice
- Old drug reveals new tricks: How interferon works to suppress virus in patients with HIV, hepatitis
- Two genes do not make a voter
- No workout? No worries: Scientists prevent muscle loss in mice, despite disease and inactivity
- Gluten-free, casein-free diet may help some children with autism, research suggests
- Foot bones allow researchers to determine sex of skeletal remains
- Scientists discover new 'off switch' in immune response
| New infant formula ingredients boost babies' immunity by feeding their gut bacteria Posted: 29 Feb 2012 12:55 PM PST Adding prebiotic ingredients to infant formula helps colonize the newborn's gut with a stable population of beneficial bacteria, and probiotics enhance immunity in formula-fed infants, two studies report. |
| Reversing Alzheimer's gene 'blockade' can restore memory, other cognitive functions Posted: 29 Feb 2012 12:55 PM PST Neuroscientists have shown that an enzyme overproduced in the brains of Alzheimer's patients creates a blockade that shuts off genes necessary to form new memories. Furthermore, by inhibiting that enzyme in mice, the researchers were able to reverse Alzheimer's symptoms. |
| Effects of a concussion may last longer than symptoms Posted: 29 Feb 2012 12:50 PM PST A new study shows that physiological problems stemming from a concussion may continue to present in the patient even after standard symptoms subside. |
| How insects 'remodel' their bodies between life stages Posted: 29 Feb 2012 11:22 AM PST How is it that an insect can remake itself so completely that it appears to be a different creature altogether, not just once, but several times in its lifetime? Working with fruit flies scientists found that genes whose expression is induced by pulses of steroid hormone are key to these transformations. A similar mechanism may underlie puberty -- the human analog of metamorphosis. |
| Reawakening neurons: Researchers find an epigenetic culprit in memory decline Posted: 29 Feb 2012 11:21 AM PST In a mouse model of Alzheimer's disease, memory problems stem from an overactive enzyme that shuts off genes related to neuron communication. Researchers genetically blocked the enzyme HDAC2, and 'reawakened' some of the neurons -- restoring the animals' cognitive function. |
| Blockade of learning and memory genes may occur early in Alzheimer's disease: Treatable in mice Posted: 29 Feb 2012 11:21 AM PST A repression of gene activity in the brain appears to be an early event affecting people with Alzheimer's disease, researchers have found. In mouse models of Alzheimer's disease, this epigenetic blockade and its effects on memory were treatable. |
| Old drug reveals new tricks: How interferon works to suppress virus in patients with HIV, hepatitis Posted: 29 Feb 2012 11:06 AM PST A drug once taken by people with HIV/AIDS but long ago shelved after newer, modern antiretroviral therapies became available has now shed light on how the human body uses its natural immunity to fight the virus—work that could help uncover new targets for drugs. |
| Posted: 29 Feb 2012 09:11 AM PST Voting behavior cannot be predicted by one or two genes as previous researchers have claimed, according to a professor of public policy and political science. |
| No workout? No worries: Scientists prevent muscle loss in mice, despite disease and inactivity Posted: 29 Feb 2012 07:51 AM PST If you want big muscles without working out, there's hope. Scientists report a family of protein transcription factors, called "Forkhead (Fox0)," that plays a significant role in the regulation of skeletal muscle mass. Interfering with Fox0 prevented muscle wasting associated with cancer and sepsis, and even promoted muscle growth. This is likely relevant to any disease, condition or lifestyle that leads to muscle wasting. |
| Gluten-free, casein-free diet may help some children with autism, research suggests Posted: 29 Feb 2012 07:51 AM PST A gluten-free, casein-free diet may lead to improvements in behavior and physiological symptoms in some children diagnosed with an autism spectrum disorder (ASD), according to researchers. The research is the first to use survey data from parents to document the effectiveness of a gluten-free, casein-free diet on children with ASD. |
| Foot bones allow researchers to determine sex of skeletal remains Posted: 29 Feb 2012 07:51 AM PST Law enforcement officials who are tasked with identifying a body based on partial skeletal remains have a new tool at their disposal. A new paper from North Carolina State University researchers details how to determine the biological sex of skeletal remains based solely on measurements of the seven tarsal bones in the feet. |
| Scientists discover new 'off switch' in immune response Posted: 28 Feb 2012 08:43 AM PST Scientists have discovered a new "off switch" in our immune response which could be boosted in diseases caused by over-activation of our immune system, or blocked to improve vaccines. |
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