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Tag: "check" at biology news

How 'memory' T cells curb the spread of viruses throughout the body

... of the infection. “It’s like having a security check point,” said Sigal. “Also, many cancers, like viruses, must pass through lymph nodes to metastasize, so this research may help develop vaccines that prevent tumor metastases.”...

Simple home spit test to spot deadly pre-eclampsia

...igned to be used at home, will allow mums-to-be to check for themselves whether they are at risk of the condition, which can be symptomless in the early stages but kills 1000 babies in the UK every year. The test is expected to be more reliable than the traditional blood pressure and urine tests conducted ...

DOE JGI sets 'gold standard' for metagenomic data analysis

...-psf.org/ ) where the community of researchers can check the most recent results, compare their dataset from their metagenome of interest against the simulated metagenome, and receive guidance as to which are the optimal tools for analysis. "Having such a tool at hand for the first time now, the communi...

Growing nerve cells in 3-D dramatically affects gene expression

...ferently, either switching on or switching off. To check their work, researchers repeated the experiments but this time produced multiple copies of eight genes specifically linked to cell growth. Those experiments confirmed the differences in gene activity. Hoffman-Kim and her team deployed high-powered...

University of Alberta researchers unravel intricate animal patterns

...orate these rules into the mathematical model, and check what kind of movement patterns we get." The team came up with 10 complex patterns. Some are classical, such as stationary pulses, ripples or traveling trains but they also describe new patterns that have not been reported before such as zigzag pul...

A revolution in the monitoring of unborn babies

...y to use so that mother’s-to-be can keep a regular check on their baby’s heart beat without having to go into hospital and be attached to a machine. No other technology allows them to do this. It took 15 years of pioneering work and enterprise, with funding from Action Medical Research and Venture Capital...

Growth hormone to boost athletic performance risks diabetes

...ne, and urge anyone taking high doses to regularly check their blood sugar levels....

New research shows why too much memory may be a bad thing

...ryday working memory tasks, such as balancing your check book or decision making. "We were surprised to find that halting neurogenesis caused an improvement of working memory, which suggests that too much memory is not always a good thing, and that forgetting is important for normal cognition and behavi...

Osteoarthritis may be sign of faster 'biological ageing'

...ys of both hands were taken of all participants to check for signs of osteoarthritis and a blood sample was taken to assess "biological ageing" in white cell DNA. Biological ageing is likely to be reflected by the gradual shortening of telomeres, the length of DNA which caps the tips of chromosomes. A ho...

Why don't all moles progress to melanoma?

...g, but doesn't kill them. "The cells are held in check ?they don't die, but they don't proliferate either," Soengas explains. "In the case of moles, melanocytes can stay this way for 20 to 40 years or even your whole life. For most of us, just holding cells in an arrested state is sufficient to prevent t...

German researchers develop first non-invasive test to measure skin aging

...and green. Currently, dermatologists who want to check out the collagen network of a patient's dermis need to remove a sample of tissue and analyze it in the lab, under a microscope or by other methods. In particular, it is impossible to monitor variations in the very same spot as aging progresses. "You ...

Fast test for low blood flow in dogs detects early heart trouble

... such as angiograms or cardiac catheterization, to check for arterial blocks. More than 1 million Americans undergo cardiac catheterization each year, and the procedures take much longer to perform, 30 minutes to 45 minutes, and require several hours for recovery. Roughly one-third will turn out to be...

High-throughput oncogene mutation detection in human cancers by mass spectrometry-based genotyping

... pi3 and c-kit kinase families, among others.) To check performance of the genotyping, the research team tested over 1,000 tumors, representing 15 different cancer types, and then independently verified over half of the mutations they identified using traditional DNA sequencing or other methods. They foun...

Resistance and genetic sensitivity to sleeping sickness

...are currently being put into operation in order to check up on possible effects of genetic predisposition already observed. The results obtained will help improve our knowledge about host-parasite interactions, by means of identifying genetic markers signalling risk. That should open the way in the long te...

Loosen up, DNA: Leukemia gene changes genetic packaging

... The team used the gene that controls eye color to check whether a given stretch of DNA was on or not. If the fly's eyes were red, the gene was turned on; if the fly's eyes were white, the gene was turned off. In flies with normal amounts of JAK/STAT, the eye color was predictable based on where the gene...

Key to early diagnosis of autism may be in the placenta

...kely that the radiator is leaking. However, if the check engine light is on and there is nothing obviously wrong, then the car should be carefully checked." The Yale team plans to replicate the evaluation with larger multi-center and prospective studies. They will examine the placentas of the children in...

Study finds how organs monitor themselves during early development

...n could involve a feedback loop that lets the body check in on itself and then act on that information. Although feedback loops are essential and they abound in biology, they aren't well understood. Feedback loops enable an organ such as the liver to detect if it is injured, ascertain if it is growing and ...

Computer scientist sorts out confusable drug names

...ve dozens of people scouring the lists of names to check if the proposed ones were too similar to any of them, and this wasn't a good use of resources, and it wasn't always effective--people make mistakes," Kondrak said. "But now one person using PPC's system can identify sound-alike and look-alike drug na...

Healing honey: The sweet evidence revealed

... licensed for use in wound care. Clinicians should check the evidence that exists to support the use of honey." ...

Mayo Clinic researchers challenge sepsis theory

...oised to respond to sepsis. Our bodies are held in check by the fact that this molecule-receptor system is constrained in its activity. What causes sepsis -- and the syndrome like sepsis that can happen in cancer or trauma or in response to drugs -- is that this receptor gets released from its constraint. ...

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