ScienceDaily: Health & Medicine News |
- Cell-penetrating peptide delivers drugs on a molecular level
- Mobility assessment tool may help predict early postoperative outcomes for older adults
- Research shows certain genes, in healthy environments, can lengthen lifespan
- Zinc deficiency may contribute to increased inflammation among HIV-positive individuals
- Sophisticated 'mini-brains' add to evidence of Zika's toll on fetal cortex
- A new secret to the miracle of breast milk revealed
- Unveiling the grammar of biological cells
- Older adults need better blood pressure and cholesterol control to prevent cardiovascular disease
- Outwitting poachers with artificial intelligence
- Can we hypercharge vaccines?
| Cell-penetrating peptide delivers drugs on a molecular level Posted: 22 Apr 2016 01:36 PM PDT Medical researchers have developed a novel cell-penetrating peptide (CPP) technology capable of carrying other molecular "cargos" directly into living cells, coupling with them and then successfully uncoupling after delivering its payload. Cargos can be therapeutic molecules like antibodies that fight against parasites and diseases, or anti-cancer proteins. |
| Mobility assessment tool may help predict early postoperative outcomes for older adults Posted: 22 Apr 2016 01:32 PM PDT A quick, reliable and cost-effective mobility assessment tool may help to identify elderly patients at risk for adverse post-surgery outcomes. |
| Research shows certain genes, in healthy environments, can lengthen lifespan Posted: 22 Apr 2016 01:31 PM PDT Researchers have discovered how a gene in the brain's dopamine system can play an important role in prolonging lifespan: it must be coupled with a healthy environment that includes exercise. |
| Zinc deficiency may contribute to increased inflammation among HIV-positive individuals Posted: 22 Apr 2016 11:12 AM PDT Researchers report that zinc deficiency may contribute to chronic inflammation among HIV-positive individuals. Theirs is believed to be the first investigation to explore the association between serum zinc levels and inflammation among people with human immunodeficiency virus (HIV) infection, while taking their anti-retroviral therapy into account. |
| Sophisticated 'mini-brains' add to evidence of Zika's toll on fetal cortex Posted: 22 Apr 2016 11:12 AM PDT Studying a new type of pinhead-size, lab-grown brain made with technology first suggested by three high school students, researchers have confirmed a key way in which Zika virus causes microcephaly and other damage in fetal brains: by infecting specialized stem cells that build its outer layer, the cortex. |
| A new secret to the miracle of breast milk revealed Posted: 22 Apr 2016 08:53 AM PDT One of the secrets to rich milk production in lactation has just been uncovered. New studies have revealed that breast cells develop two nuclei as the breast switches on lactation to nurture the newborn.This change begins to occur in late pregnancy with the generation of vast numbers of cells with two nuclei. |
| Unveiling the grammar of biological cells Posted: 22 Apr 2016 04:55 AM PDT Cells in the body exchange a number of signals with their surroundings. Deficient signal pathways may adversely affect the function of cells and cause diseases. However, we hardly know more than the vocabulary of cellular language. It is unknown how the "words" are combined in "sentences". If cell grammar was known, complex processes in cells might be understood. Researchers have now presented a method to decode the grammar of cell signals. |
| Older adults need better blood pressure and cholesterol control to prevent cardiovascular disease Posted: 22 Apr 2016 04:51 AM PDT Prevention of cardiovascular events in elderly patients presents a therapeutic challenge because this age group is generally underrepresented in clinical trials, and doctors often assume that it is too late to initiate preventive therapy in the elderly. A review by clinical experts of the best available evidence concluded that cholesterol-lowering and blood pressure-controlling therapy are the most effective treatments for reducing cardiovascular events in older adults, but that treatment needs to be individualized. |
| Outwitting poachers with artificial intelligence Posted: 21 Apr 2016 02:13 PM PDT Human patrols serve as the most direct form of protection of endangered animals, especially in large national parks. However, protection agencies have limited resources for patrolling.With support from the National Science Foundation (NSF) and the Army Research Office, researchers are using artificial intelligence (AI) and game theory to solve poaching, illegal logging and other problems worldwide, in collaboration with researchers and conservationists in the U.S., Singapore, Netherlands and Malaysia. |
| Posted: 21 Apr 2016 12:00 PM PDT Researchers report that a fatty chemical naturally found in damaged tissues can induce an unexpected kind of immune response, causing immune cells to go into a 'hyperactive' state that is highly effective at rallying infection-fighting T-cells. The findings could enhance vaccines and make them much more effective. |
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