Sentences with phrase «do cells change»

Not exact matches

Most large scale studies looking at cancer rates don't show changes related to cell phone use.
But here's the good news: Researchers biopsied the participants» muscle cells and found that while the under - 30 group that did interval training experienced changed activity levels in 274 genes, those in the plus - 64 group experienced changes in activity among nearly 400 genes.
In an earnings call later that summer, Peter Rive, who was then SolarCity's CTO, explained the merits of the changes to shareholders: «We don't want to rush to actually initiate some of the equipment installation for the cell line and then have that be a regretful layout only months later.»
As a cancer researcher, do you think the mechanisms of tumor growth are somehow changing to come into line with your perceptions, or is it possible that the process of our learning more about DNA mutations and cell architecture and nutrient exchange and epigenetic effects make it possible for us to inch ever closer to understanding that which is already going on under our noses?
... yeah suzy and others... I just happen to realize that when monkey devolving didn't quite work out on paper it all changed to single cells and from the slime off of the worlds garbage can and so on... I just happen to know more than you think... In another ten or twenty years the science books will all have a new teaching... the Bible has been around and hasn't changed one word in over two thousnad years..
OK, here we go: Get a new hobby, be physically fit, get plenty of rest, go on a personal retreat, start mountain biking, don't turn on your computer or cell phone for one day a week, go to a creative leader conference and read the book 51 Ways for Revolutionary, Creative, Cutting - Edge, Innovative, Futuristic, Trailblazing, Missional, Catalytic, Groundbreaking, World - Changing Leaders to Stay Inspired.
Instone - Brewer's own narrowing of the question of individual life -LRB-»... when does an embryo change from being a bundle of undifferentiated cells into a living human individual?»)
Just as the structure of our cells doesn't change with our diet, the milk our bodies produce doesn't change depending on our nutrition.
Since meconium is made of amniotic fluid, mucus, skin cells, and other stuff ingested in utero, it doesn't really smell — so you may not realize it's time for a diaper change.
Exposure to dioxins during pregnancy harms the cells in rapidly - changing breast tissue, which may explain why some women have trouble breastfeeding or don't produce enough milk, according to a University of Rochester Medical Center study.
Mobile advertising is still very much a niche application, though that situation may change if cell phones start to dominate Americans» internet usage as they do in some other countries.
Among the new rule changes, anyone locked up in solitary must be given at least four hours a day outside the cell unless there is a written determination doing so would jeopardize security.
This allowed them to track changes in calcium ion concentrations in the cells around wounds in living tissue (as opposed to the cell cultures used in many previous wound response studies) and to do so with an unprecedented, millisecond precision.
«But one question that really hasn't been addressed is, «How do dad's experiences actually change his germ cell?
Everyday influences — the weights Dad lifts to make himself muscle - bound, the diet regimen Mom follows to lose pounds — don't produce stronger or slimmer progeny, because those changes don't affect the germ cells involved in making children.
But something did change about 800 million years ago, and cyanobacteria and other minute organisms in continental margin ecosystems got more phosphorus, the backbone of DNA and RNA, and a main actor in cell metabolism.
«This reflects how cells do not like to change from one specialized cell type to another and resist a change in cell identity,» said Pasque.
Korn and Waisman have discovered that IL - 6 does not trigger the decisive change in the T cells in either of those cases.
These epigenetic modifications do not change the genetic code, but may contribute to the inhibition of gene expression, causing the cells to produce smaller amounts of the corresponding proteins.
An update search enlarged the pool of study data, but did not change the content of the conclusion of the benefit assessment of stem cell transplantation (SCT) for multiple myeloma conducted in 2012.
«Stem cell transplantation for multiple myeloma: New data did not change conclusion.»
But that doesn't mean the patient isn't responding — cancer cells are dying, but the size hasn't changed.
Results suggest that while isotretinoin was associated with a change in the average value of some laboratory tests (white blood cell count and hepatic and lipid panels), the average change across a patient group did not meet the criteria for high - risk and the proportion of patients with laboratory abnormalities was low, the authors report.
He and colleagues have determined what gives cholera bacteria their curved shape and whether it matters (a polymer protein, and it does matter; the curve makes it easier for cholera to cause disease), how different wavelengths of light affect movement of photosynthetic bacteria (red and green wavelengths encourage movement; blue light stops the microbes in their tracks), how bacteria coordinate cell division machinery and how photosynthetic bacteria's growth changes in light and dark.
Although many scientists doubt that Orlic's bone - marrow stem cells actually morphed directly into new heart tissue, they do believe the cells may have secreted powerful chemical cues — growth factors — or perhaps changed into blood vessels that revitalized the hearts.
The TERT promoter mutation does not generate enough telomerase to immortalize the pre-cancerous cells, but does delay normal cellular aging, Hockemeyer said, allowing more time for additional changes that turns telomerase up.
«We found that smooth muscle cells in the arteries of the diaphragm do undergo adaptive changes in response to exercise training,» Laughlin said.
Epigenetic changes do not alter the information encoded in the DNA sequence itself but determine whether and to what extent specific genes are used by cells.
To do this without a brain or nervous system, says Ken Showalter, a chemist at West Virginia University, the organism relies on proteins and nutrients that «swish back and forth» through the cell to communicate the location of the food and allow the organism to change shape.
A multicenter team of researchers reports that a full genomic analysis of tumor samples from a small number of people who died of pancreatic cancer suggests that chemical changes to DNA that do not affect the DNA sequence itself yet control how it operates confer survival advantages on subsets of pancreatic cancer cells.
But as long as the president vetoes such legislation, as he did in June, and as long as the current Congress is unable to override those vetoes, there is unlikely to be any change in federal stem cell policy.
For this study, researchers studied four solar cells with different selenium contents — and corresponding changes in crystal structure — and learned that the one with the highest level of selenium did not perform well.
She doesn't know yet whether they will act like neurons, but the changed cells seem to produce the neurotransmitter known as GABA.
This suggests that Drosophila neural stem cells changed minimally during the fly's evolution from its ancestors, which did not undergo metamorphosis.
Scientists think plant cells living in space do not behave the same way as cells in plants on Earth, and the experiments will examine these changes on a molecular level.
But a cell didn't respond to changes in features not captured by that axis.
How does a 1.4 kilogram tangle of nerve cells allow you to sense, understand and change the world?
How the speed cells behaved didn't depend on what the rats» environment looked like; for instance, placing them in a new box with different markings didn't change the firing pattern.
We don't know if human cancer cells that lack Hsp90 also change their chromosomes.
When two copies of the altered hemoglobin gene are present, they cause the shape of the hemoglobin to change so much that the «sickled» blood cells don't flow freely in the blood vessels, causing excruciating pain.
It demonstrates that alterations in these cells lines do indeed match changes in samples of human bladder cancer.
This finding comes as a surprise, considering that the average migration speed of the larger cell population does not change through multiple cycles.
«The next steps will be to use this knowledge to better understand what changes happen when sperm stem cells don't develop normally and instead convert into cancer cells
Exposure to infection or stress alone did not significantly change the shape or quantity of these cells, the authors say.
So, normally when proteins folded in the cell they turned blue but mutant cells didn't allow that signal to arrive and they didn't change color.
They did discover that the inhibition changes the ways cells move within lymph nodes and the spleen, organs in which T follicular helper cells interact with B cells to promote antibody production.
«You want something that can be reasonably efficient at a reasonable cost so it doesn't change the paradigm of what your cell phone costs,» Bulović says.
When the team changed the medium to encourage the cells to differentiate, neurons arose from the mix, as did a variety of pancreatic cells, including b cells, based on the cells» genetic profiles.
We have to find out how cancer cells change as they do this, and how they become resistant to our treatments.
The number of damaged and dying cells in the retina — a light - sensitive layer of nervous tissue in the eye — did not change in the castrated males.
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