Sentences with phrase «chemical markers on»

This new research shows that the short chain fatty acids increase the number of chemical markers on our genes.

Instead, the changes happen to certain chemical markers on the DNA that control how much any particular gene is expressed.

Not exact matches

Those instructions are found not in the letters of the DNA itself but on it, in an array of chemical markers and switches, known collectively as the epigenome, that lie along the length of the double helix.

Nadeau stumbled upon one study, in mice, describing how environmental factors can tag Foxp3 with chemical markers that tell T - cell precursors to switch the gene on or off.

On the outside of the heterochromatin bundles are chemical markers, known as epigenetic tags, which control the structure of the heterochromatin.

Once the stem cells are created, Niklason relies on different chemical markers left behind in the decellularized lungs to guide the stem cells to their correct locations.

Preventive vaccines work by introducing harmless microbial chemical markers, known as antigens, which resemble the markers on living microbes.

Vanapalli and his collaborators, including Wei Li, an assistant professor in the Department of Chemical Engineering, propose a new type of testing, one not based on antibodies and without markers, but holography.

The authors believe theirs is the first study to show that mouse mammary gland tissues are sensitive to a mixture of 23 commonly used UOG chemicals, with dose - specific effects on tissue morphology, cell proliferation and induction of intraductal hyperplasias, an overgrowth of cells considered a marker for future breast cancer risk.

Chemical markers in its ancient skin indicate it was reddish - black on top, with a pale belly (Current Biology, doi.org/cbht).

They point out that poor semen quality «is the leading cause of unsuccessful attempts to achieve pregnancy and one of the most common medical problems among young men... it has been suggested as an important marker of male health, predicting both morbidity and mortality... it is sensitive to environmental exposures, including endocrine disrupting chemicals, heat and life - style factors, such as diet... Therefore, it can provide a sensitive marker of the impacts of modern environment on human health.»

«If a person's urine or blood has THS chemicals and biomarkers of liver damage, one can imagine identifying a number of these markers that can be arranged on, say, a strip or a chip which could be used in the physician's office to indicate liver damage allowing for early diagnosis and potential treatment,» Martins - Green said.

As the studied chemical reactions occur very rapidly — in less than a second — and the ALS technique can take about 20 minutes to scan a single spot on a particle, the researchers used a layer of chemically active molecules, which were attached to the surface of the particle, as markers for the catalytic reactivity.

Researchers use these receptors — or markers — to identify and isolate adult stem cells by «tagging» the chemical messages that bind to those specific receptors on the stem cell with fluorescent molecules.