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Health & Medicine News
Tue, 22 Aug 2017 15:36:17 EDT
Self-powered paper-based 'SPEDs' may lead to new medical-diagnostic tools
A new medical-diagnostic device made out of paper detects biomarkers and identifies diseases by performing electrochemical analyses -- powered only by the user's touch -- and reads out the color-coded test results, making it easy for non-experts to understand.
Tue, 22 Aug 2017 14:57:12 EDT
Firing of neurons changes the cells that insulate them
Through their pattern of firing, neurons influence the behavior of the cells that upon maturation will provide insulation of neuronal axons, according to a new study. The findings suggest the existence of a complex and nuanced interplay between neurons and the non-neuronal cells that support and protect them.
Tue, 22 Aug 2017 14:57:09 EDT
Does a mother's pre-pregnancy weight determine her child's metabolism?
The link between a mother's body mass index (BMI) before pregnancy and the metabolic traits of her children is likely mediated by shared genetics and familial lifestyle rather than effects on the fetus during gestation, according to new study.
Tue, 22 Aug 2017 13:07:49 EDT
When given the chance to pay less, patients choose cheaper prescription drugs
As prescription drug spending continues to rise in the United States, along with prices for new and well-established drugs, insurers, employers and patients are searching for ways to cut costs. A new study found that a policy called reference pricing is effective at encouraging patients to spend significantly less on prescription drugs by choosing cheaper drugs over name brand options.
Tue, 22 Aug 2017 13:07:46 EDT
How cytoplasm 'feels' to a cell's components
In a study that may guide drug design, researchers find organelles encounter varying levels of resistance, depending on their size and speed, as they move through a cell's cytoplasm.
Tue, 22 Aug 2017 13:07:41 EDT
Gravity, 'mechanical loading' are key to cartilage development
Mechanical loading is required for creating cartilage that is then turned to bone; however, little is known about cartilage development in the absence of gravity. Now, bioengineers have determined that microgravity may inhibit cartilage formation. Findings reveal that fracture healing for astronauts in space, as well as patients on bed rest here on Earth, could be compromised in the absence of mechanical loading.
Tue, 22 Aug 2017 12:39:09 EDT
miR-122 target sites in liver cancer: study links three genes to patient survival
A new study shows that a molecule that regulates liver-cell metabolism and suppresses liver-cancer development interacts with thousands of genes in liver cells, and that when levels of the molecule go down, such as during liver-cancer development, the activity of certain cancer-promoting genes goes up. The findings could one day help doctors better predict survival in liver cancer patients and help determine whether the molecule -- called microRNA-122 -- should be developed as an anticancer drug.
Tue, 22 Aug 2017 12:38:44 EDT
How humans and their gut microbes may respond to plant hormones
A bowl of salad contains more than vitamins and minerals. Plant matter also includes remnants of the hormones plants produce to control how they grow, age, and manage water intake. Recently, scientists have reported that our gut microbes and cells may respond to these hormones and even produce similar molecules of their own. Researchers now explore how plant hormones may influence human health.
Tue, 22 Aug 2017 12:38:42 EDT
Mouse model of human immune system inadequate for stem cell studies
A type of mouse widely used to assess how the human immune system responds to transplanted stem cells does not reflect what is likely to occur in patients, according to a new study.
Tue, 22 Aug 2017 12:38:39 EDT
Scientists find RNA with special role in nerve healing process
The discovery in lab mice that an 'anti-sense' RNA is expressed after nerve injury to regulate the repair of damage to the nerve's myelin coating could lead to a treatment that improves healing in people.
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