Sentences with phrase «cells change into»

As we get older, brown fat cells change into white fat cells.
When studying how normal cells change into cancer cells, dos Santos and other cancer researchers pay close attention to gene expression.
If the Gq protein is blocked, undesired white fat cells change into energy - consuming brown cells.
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.

Not exact matches

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?
Whether it is changing text books to teach religion as a «science,» making laws that prohibit stem - cell research which would without question help those in need, to stopping of any kind of gay rights, trying to put religion (christianity) into schools, a woman's right to choose, etc, etc...
Thus, the transition from instinct to reason results in the radical transformation of the animal into man; matter as it evolves toward the cell becomes radically transformed into living matter; and vegetative life becomes qualitatively changed into conscious life.
Such was the comfortable vista which, less than a century ago, began abruptly to change beneath our gaze, something in the fashion of those organic tissues in the living body which, after long remaining harmless and dormant, their cells apparently indistinguishable from those of the surrounding tissue, suddenly burst into dangerous growth.
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?»)
And let's remember that evolution, while it's a theory, is a theory about the beginning and the transformation of life based on things we have observed, namely that cells change and mutate and that those mutations can produce cells that are unique and new, and that it would follow that it's possible for molecules to form into single - celled organisms which mutate and combine into multi-cellular organisms which mutate, adapt, and grow over time into new forms of life.
A change in polling foundations (home phones become cell phones = limitations on traditional cold calling... and also the shift into online polls).
Baylin and Johns Hopkins scientist Michelle Vaz, Ph.D., first author on the study, suspected that the interplay of epigenetic and genetic changes may occur when normal lung cells develop into cancer, but, Baylin says, the timing of such changes was unknown.
She demonstrated that early experience leads to lasting changes in the molecular structure of the brain and discovered a gene involved in the spread of brain cancer cells into healthy brain tissue.
Following combined exposure to the two substances, the leukemia cells underwent substantial changes and, to the surprise of the researchers, started to turn back into normal blood cells.
«When a new substance forms during a chemical reaction, many students think that the atoms and molecules have actually changed into something new, whereas they simply rearranged, that the mass increase of plants is due to minerals in the soil, or that cell division alone accounts for animal growth,» said Cari Herrmann Abell, a senior research associate at Project 2061.
Many of the mutations in ASD, Yan explained, result from chromatin remodeling factors, which are involved in dynamically changing the structure of chromatin, the complex of genetic material in the cell nucleus that condenses into chromosomes.
«The discovery of this special class of cells that sit right at the nerve endings where HSV - 2 is released into skin is changing how we think about HSV - 2 and possible vaccines,» said Corey.
A virus containing the gene that codes for two molecular «switches» essential for turning skin cells into brown fat was used to trigger the change (Nature, DOI: 10.1038 / nature08262).
Cultured in the lab, the changed cells showed an ability to differentiate into (or become) two discrete cells found in breast tissue.
Ectonucleoside triphosphate diphosphohydrolase 2 (E-NTPDase2) is an ectoenzyme that, along with family members E-NTPDase1 and E-NTPDase3, is known to degrade the chemical compound ATP (adenosine triphosphate) into ADP (adenosine diphosphate) for the purpose of sending messages to cells to change the fleet of proteins they are producing.
«If you manually put a bunch of data into a spreadsheet and then change the contents of one cell, it won't update the other cells around it.
The project's goals were to explore and describe the range of epigenetic changes that take place in bone marrow as stem cells develop into different types of mature blood cell.
Now Bruce Spiegelman at the Dana - Farber Cancer Institute in Boston and colleagues have shown that foreskin cells from mice can be changed into brown fat cells.
As the heart starts pumping a primitive blood - like fluid around the body of an embryo, the change in pressure from the flowing liquid is the cue for cells lining the aorta to change first into blood stem cells, then into all blood - cell types in the body.
But that changed when Lagasse injected cells into the belly: The mice gained weight, recovered energy, and within weeks appeared healthy.
In reaction to infection or inflammation, immune system cells known as effector T cells (Teffs) undergo rapid changes - arming themselves and diversifying into groups that target specific diseased cells.
In cancer cells, the protein networks that control the behavior are changed in such a way as to cause the cells to lose control and break away — a mutated skin cell, for instance, might then migrate into the bloodstream.
By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.
Four years ago, the research team of Pedro Herrera (University of Geneva) first cast doubt on this assumption when they demonstrated that a few alpha cells in the pancreas of genetically modified diabetic mice changed into beta cells.
Sen and his colleagues tested sucralose, a popular low - calorie sweetener, on stem cellscells that could change into mature fat, muscle, cartilage or bone cells — taken from human fat tissue.
The change is translated into an electrochemical signal that is picked up by nerve cells, which relay it to the brain.
These epigenetic changes are continuous and are at the core of how healthy cells transform into cancer cells.
This research provides a new insight into the movement of electrons that could potentially change the way solar cells and semiconductor devices are built.
«Disturbances to these processes may cause neuronal stem cells to develop into different types of cells or may cause neurons to migrate to different locations in the brain, changing neuronal circuitry and potentially leading to behavioral disorders like schizophrenia.»
He hopes to pursue projects such as developing therapeutics with chemists, working with biophysicists to study protein conformational changes relevant to viral entry into the cell, and investigating cellular trafficking pathways relevant to the viral life cycle in collaboration with cell biologists.
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 new technique could also be useful in understanding how stem cells change oxidation properties during differentiation into other cell types.
A team of researchers led by the University of California San Diego has for the first time observed nanoscale changes deep inside hybrid perovskite crystals that could offer new insights into developing low - cost, high - efficiency solar cells.
Stem cells are immature blood cells and, in theory, introducing the gene into them should produce a permanent change in that individual's maturing blood cells.
Some would simply crank their telomerase activity up even further; some would enhance the activity of drug - metabolizing enzymes that degrade the inhibitor; still others would change their cell surface proteins in ways that would make it harder for the drug to penetrate into the cell.
Simply put, they act as little computing devices that optimally gather and process information coming into the cell, allowing the cells to adapt and change their function.
They then purified messenger RNA — a molecule that plays a key role in the production of proteins — from the cells in the animals» upper intestines, injected the mRNA into immature eggs cells, and looked for changes in iron uptake.
Bio-engineers are working on the development of biological computers with the aim of designing small circuits made from biological material that can be integrated into cells to change their functions.
Stem cells from umbilical cord blood are highly prized for their ability to change into the cells of other tissues.
Leptin, which is made by fat cells, is thought to signal the body that it has enough energy in reserve to launch into the growth spurt and other changes of puberty.
Arikawa suspects that the cells» detection of the change from light to dark in their immediate vicinity is necessary to spur the male into action.
In a collaborative effort between the Gladstone laboratories of Benoit Bruneau, PhD, Katherine Pollard, PhD, and Dr. Srivastava, the scientists used stem cell technology to make large amounts of endothelial cells from patients with CAVD, comparing them to healthy cells and mapping their genetic and epigenetic changes as they developed into valve cells.
Adult stem cells: They have less flexibility and «stemness» to change into different cell types, but they can still produce new cells, specialized to become part of a particular organ or tissue, such as muscle cells or neural cells.
«Changes in metabolites can regulate earliest stages of development: Findings may offer insights into a variety of disorders, advance embryonic stem cell research.»
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.
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