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Tag: "carry" at biology news

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...ing child spells out well-deserved respite it may carry even more value for babies. For them, sleep ranks as one of the most highly regarded indexes of healthy development, and plays a critical role in consolidating memory and facilitating learning, regulating metabolism and appetite, promoting good moods...

Common cancer gene sends death order to tiny killer

...f RNA in the cell, such as the messenger RNAs that carry the instructions to make proteins. Once produced, microRNAs stick to messenger RNAs and, like crumpled paper jammed in a copy machine, prevent proteins from being made. Josh Mendell, M.D., Ph.D., an assistant professor in the McKusick-Nathans Ins...

Bigger horns equal better genes

...e horns] require a lot of energy to build and then carry around. They can be a meter long and are quite heavy, and the ibex carries them for their lifetime, unlike antlers which are shed every year. They also cause the ibex to lose heat in winter, because their core is heavily vascularized." Found excl...

'Lucky 13' as new gene discovery offers further hope for childhood blindness

...e Pakistani community. "If a parent is found to carry a mutation in the LCA5 gene, the risk of blindness...irtually zero as long as the other parent does not carry it," says Professor Inglehearn. "The odds of two parents both carrying the same or different mutatio...

Study investigates 'divorce' among Galapagos seabirds

... offspring, a quality that can vary with time, may carry more weight with a mate than stellar genes or past breeding success, Maness said. She used 14 years of data on about 950 males and 700 females in the study. During that time, the majority of the females in this group gambled on a new mate, sometim...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...transported to different locations in the cells to carry out disease detection and treatment simultaneously...," Akin said. In the new approach, bacteria can carry hundreds of nanoparticles, each of which can in turn carry hundreds of drug molecules, depending on ...

Mutating the entire genome

...se chromosomes include roughly 20,000 genes, which carry the code needed for cells to produce the proteins used to make body parts and carry out most functions in living organisms. Genes typically have 50,000 base pairs but can range in size...

Blood-brain barrier breached by new therapeutic strategy

... short protein (peptide) from the rabies virus can carry a strip of therapeutic material into the brain via intravenous administration. Once delivered to the nerve cells of the brain, the strip, called a small interfering RNA (siRNA), was shown to protect mice from infection caused by the Japanese encephal...

Human genetic 'deserts' are teeming with significant life

... structural unit of DNA and RNA] on the genome can carry out a number of different, sometimes simultaneous,...tzerland, the UK, the US and Spain, now intends to carry out the same kind of analysis for two complete human chromosomes. “I will be surprised if we do not...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

...tors expressed on the surfaces of nerve cells that carry pain messages back and forth between an osteoarthritic jaw joint and the spinal cord. Thus, nerve cells involved in pain transmission, with so many more receptors on their surfaces, became drastically more responsive to the naturally occurring painki...

First confirmed common genetic risk factors for breast cancer

...mplicated as triggers of breast cancer. The genes carry the DNA recipes for proteins important to the growth and duplication of body cells and the signalling, or communications, that must occur between cells in order for the body to function normally. Previous investigations have identified about a do...

An 'elegant' idea proves its worth 25 years later

... benzoate, two chemicals the body already makes to carry nitrogen for disposal in urine "just knocked my socks off from the moment we first tried them," recalls Saul Brusilow, M.D., professor emeritus of pediatrics at Hopkins who first had the notion to use the drugs. "In all my years I never came across a...

Maggots rid patients of MRSA

...now been awarded a £98,000 grant by Diabetes UK to carry out a randomized controlled trial to compare this treatment with two others. "Maggots are the world's smallest surgeons. In fact they are better than surgeons - they are much cheaper and work 24 hours a day," Professor Boulton jokingly said. "T...

First clinical trial of gene therapy for childhood blindness

... the retina, using a harmless virus or "vector" to carry the gene into the cells. The vector has been manufactured for this trial by Targeted Genetics, Seattle, USA. Previous work using animal models has demonstrated that this gene therapy can improve and preserve vision. During trials, the vision of d...

UQ research heralds vaccine technology breakthrough

... vaccine using the existing Hepatitis B vaccine to carry the RSV peptides. "Hepatitis B surface antigen forms virus-like particles, which are the vaccine used for Hepatitis B vaccine all around the world," Professor Tindle said. "We're taking advantage of that to piggyback, if you like, the respiratory...

Risk of lymphoma increases with hepatitis C virus infection

... in the general population, where only 1.6 percent carry the virus. Several factors have likely contributed to this higher prevalence, including demographics, socioeconomic status, and particularly a history of injection drug use or blood transfusions received before 1990, when screening for hepatitis C v...

Survival of the rarest: Fruit flies shed light on the evolution of behavior

...e common strains of the virus. In this case, flies carry one of two versions of the foraging gene (either the "rover" or "sitter" type). Rover larvae move around more than sitter larvae while feeding and they are also more likely to explore new food patches than sitters. The researchers explored the evolut...

Hepatitis E takes a piggyback

Pigs carry hepatitis E virus (HEV), which they can pass on to humans. But now research from Japan published in Online Open Access journal BMC Veterinary Research says that pigs get HEV early enough to minimise the risk of human infection. The scenario humans ne...

Researchers attach genes to minichromosomes in maize

... linear strand of DNA and associated proteins that carry genes and functions in the transmission of hereditary information. Whereas a chromosome is made of both centromeres and telomeres with much intervening DNA, a minichromosome contains only centromeres and telomeres, the end section of a chromosome, wi...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...to protect a large area from swimmers intending to carry out terrorist activities. The in-water system consists of sets of sonar dishes that transmit and detect sound waves. Signal-processing algorithms provide automated detection, tracking, and classification of moving objects such as swimmers. The SDSN ...

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