Sentences with phrase «changes in cells occur»

«Our research demonstrated and supports earlier research from elsewhere that changes in cells occur before you can see them.

Not exact matches

Extracts from this garlic even protected cells in a laboratory dish from certain types of damage.13 This isn't really surprising when you consider the nutritional changes that typically occur in plants when they sprout.

The change in load cell output occurring with time, while under load, and with all environmental conditions and other variables remaining constant; usually measured with Rated Load applied and expressed as a percent of Rated Output over a specific period of time.

It occurs when some of the red blood cells change into a «sickle» shape and cause a buildup of red blood cells in small blood vessels.

The acceleration of the healing process occurs due to changes in the microenvironment in the wound, which change the behaviour of specific immune cells.

«A surprise was how many major changes occurred to genes in the blood cells,» Yang said.

So if you take evolution in its broad sense to mean genetic changes across the population, then it might be occurring even without cell division, says Briggs.

Plath's team found that the changes that happen in cells during reprogramming occur in a sequential stage - by - stage manner, and that importantly, the stages were the same across all the different reprogramming systems and different cell types analyzed.

«Next, we asked in which cells are genetic changes occurring.»

The new device uses light scattering spectroscopy (LSS) to detect the structural changes that occur in cancerous or pre-cancerous cells by bouncing light off tissues and analyzing the reflected spectrum.

So instead of going through a phase change from liquid to solid, glass formation occurs, which allows cells to be preserved in their existing state without going through the complete dehydration that you achieve in slow cooling.

The study involved extracting Ribonucleic acid or RNA — found in the cells of all living organisms — to develop a transcriptome — the gene readouts in a cell — to examine what occurs during the different developmental stages of the cockroach pregnancy and to explore if those changes hold wider applications for other mammals.

By March 2014 — about the time the epidemic was detected, but some 3 months after the first case actually occurred — the sequences had split into two distinct lineages, one of which was characterized by a single amino acid change in a region of the virus's surface protein and allows it to bind to cells.

Scientists have hypothesized that magnetite, a form of iron that's the most magnetic of naturally occurring minerals, is the key ingredient in specialized cells that react to changes in magnetism.

However, when chronic inflammation occurs in a blood vessel — typically in response to diabetes, high cholesterol and cigarette smoking — the smooth muscle cells in the walls of arteries change their behavior.

Furthermore, the normal ductal cells that are able to develop into pancreatic cancer represent about 10 percent of the cells in the pancreas, complicating efforts to pinpoint the changes that occur as the tumor develops.

Lin observed that this change in nucleus shape is similar to what occurs during cell division and hypothesized that there may be similar underlying mechanisms behind cell division and regeneration.

The study, published in Nature Communications, examined the changes that occur in cancer cells as they break away from tumours in cell cultures, zebrafish and mice.

Metabolic changes in cells can occur at the earliest stages of disease.

The Tübingen group was making organotypic eye cultures and examining in vitro the changes that occur in the cells of living individuals.

In dendrites and axons these rapid structural and functional changes occur concurrently — their length, size, shape, and number change to suit the needs of neuronal cell body communication.

This approach has revealed new insights into the timing and coordination of the changes in gene activity and modifications to the DNA that occur as cells are reprogrammed from one state to another.

Similarly, other epigenetic changes occur in how DNA and proteins are compacted in the nucleus of the cell.

It may, for example, partly account for the differences in brain structure and behavior between identical twins, and could even affect thought processes by subtly influencing the changes in nerve cell connections that occur with experience.

Assistant Professor Camila dos Santos of Cold Spring Harbor Laboratory (CSHL) is studying stem cells in the breast for clues about what changes occur when normal breast cells become cancerous.

Furthermore, they integrated single - cell datasets of pancreatic tissue from humans and mice, thereby identifying 10 cell types that were shared across species and defining the evolutionary changes occurring in each group.

The study has important implications for human health, and is particularly useful for understanding the changes that occur in cells during the development of the tumors that underlie cancers.

If the drugs in question decay so quickly, this would surely not change, given that the red blood cells are surrounded by blood, where decomposition would still occur.

«We wanted to understand how a long - term high - fat diet influences the biology of stem cells, and how such diet - induced changes that occur in stem cells impact tumor initiation in the intestine,» Yilmaz says.

The NIH Common Fund's Library of Integrated Network - based Cellular Signatures (LINCS) program aims to create a network - based understanding of biology by cataloging changes in gene expression and other cellular processes that occur when cells are exposed to a variety of perturbing agents.

Forced expression of this SMN1 variant in cultured non-neuronal cells induces the formation of neurite - like extensions, a change in cell shape reminiscent of that occurring when motor neurons send out axons to their muscle targets.

This collaboration led to the discovery of distinct behavioral changes that occur in the motions of individual proteins on the surface of cells, thereby helping elucidate what it means for the pathway to be active or inactive.

The morphological changes manifested in the cell types linked to larger toepads exemplify cell type differentiation that must be controlled by the physiology of reproduction and properly timed nutrient - dependent reproductive sexual behavior, which probably occurs near the location of the higher perches.

Chinnaiyan's lab, which has extensively analyzed how genes and proteins in prostate cancer cells reflect these changes, thought that profiling cells» metabolites would offer an even more «holistic picture of the molecular alterations that occur,» he said.

Some of these will light up when certain changes occur in a cell.

A. Melanoma is a cancer of pigment cells and all melanomas share some characteristics but they also differ: the genetic changes which define cancers occur in the cancer cells at random and cancers are all therefore a little different.

Some studies have identified a number of regions of methylated DNA (one key way in which epigenetic changes occur) that are different in fat cells of mice fed high - fat diets than in cells of mice with normal diets.

His discoveries include insights into how changes in gene expression affect T cell exhaustion, a waning of immune function that occurs in response to chronic viral infection and cancer.

He said stem - cell treatments on Parkinson's patients could occur as early as 2008, even without a change in Bush's policy.

The most important changes occur in T cell immunity, manifested sometimes dramatically as altered clonal expansions of cells of limited antigen specificity and a marked shrinkage of the T cell antigen receptor repertoire.

As cells divide and differentiate, changes in transcriptional profile occur, leading to considerable phenotypical diversities forming different subpopulation of cells and tissues in living organisms.

The afternoon of the second day focused on somatic changes in melanoma, that is changes that occur in the tumour itself, and this session saw talks from ESR07 Sofia Chen on the mutational landscape of primary melanoma tumours; ESR08 Catarina Salgado on DNA hydroxymethylation (a form of regulation) in melanoma and naevi; and ESR10 Adriana Sanna on epigenetic regulation (reversible changes to the DNA which can turn genes on / off) of melanoma cell phenotypes.

The changes to cell reprogramming that the scientists observed in the young flies can occur inappropriately in adult human cells — spurring cancer, for example.

A very specific and important event occurs after 5 — 6 days: the blastocyst changes very subtly and the cells in the inner cell mass lose the ability to read all of their DNA.

Finally, there is evidence that the DNA in our cells is protected by naturally occurring substances in Brussels sprouts, and since many environmental toxins can trigger unwanted change in our DNA, Brussels sprouts can help prevent these toxin - triggered DNA changes.

(6)(12) Since genetic changes occur within cells only after the breakdown of efficient metabolism, (7)(8)(9)(10)(11) it is unlikely that genetics play any kind of significant role in headache occurrance, but the environmental theory is likely.

Aging occurs as a result of changes in the mitochondria, which produce less and less energy for the body's cells over time.

Thyroid cancer occurs when cells in your thyroid undergo genetic changes (mutations).

Other cellular and molecular biological changes occur in muscle, including the addition of more sarcomeres (structural units of a muscle cell) to muscle (De Deyne 2001).

This lag in energy production tends to occur earlier than changes in blood cell production, so the muscle fatigue and changes in concentration are likely to be noticeable long before laboratory testing shows low blood cell production.