Sentences with phrase «kind of tissue»

The team found another hallmark of stem cells: The cells were poised to become different kinds of tissue.
Each cell's particular combination of active and silent genes helps determine what kind of tissue it will give rise to — liver, heart, brain, and so on.
Your breasts are made of many kinds of tissue, which change in response to your menstrual cycle, pregnancy hormones, and breastfeeding.
MakerBot has also supplied the Feinstein Institute with early samples of its just - announced MakerBot PLA Composite Filaments in Limestone (calcium carbonate) and Iron, which will be available commercially later this year, so the Feinstein Institute can start investigating how to engineer other kinds of tissue, like bone or 3D print custom - made shields for cancer and radiation treatment.
Surprisingly we have found that the differences seem bigger between species rather than between fabrics when initially we thought that the gene activity in the same kinds of tissues would be similar,» adds Alessandra Breschi, one of the first co-authors of the main work published in Nature and a researcher in Roderic Guigó's lab at the CRG.
The researchers tinkered with the voltage in cell membranes of developing African clawed frogs (Xenopus laevis) and found that electric charge plays a role in how big the brain grows and what kind of tissue developing cells grow into.
Other evidence shows that miR - 7 can halt cancer cells that operate like stem cells, turning them into new kinds of tissue before they spread.
The researchers also examined induced pluripotent stem cells, body cells that have been reprogrammed with the ability to grow into multiple kinds of tissue.
Stem cell researcher Jürgen Hescheler of the University of Cologne in Germany says that HES - derived heart muscle cells may be the only kind of tissue that could treat heart attacks.
For example, real organs are not simply chunks of tissue interlaced with blood vessels, but internally structured machines comprising various kinds of tissue all working together to do a job.
And iPS cells may have a particular advantage: Taking a person's own skin cells, say, making them pluripotent, and then using those cells to grow whatever kind of tissue is needed could eliminate the use of debilitating immunosuppressive drugs, which are required when transplanting cells or tissue from a donor.
With the recent development of transgenic mouse models, which allow labelling and manipulation of specific cell types, more and more emphasis has been placed on the tissue scale: How does the collective behavior of many cells gives rise to the architecture that is characteristic for given kind of tissue?
In their 2015 study, Tomasetti and Vogelstein compared cancer incidence in the United States to the total number of cell divisions to different kinds of tissues in the body.
In 1991, Robertson and her colleagues reported an unusual discovery involving a gene called Igf2, which is responsible for producing a protein known as insulin - like growth factor II (IGF - 2), important for the growth of many kinds of tissue in the developing fetus.
Your mammogram may show cysts, fibroadenomas, tumors, or other lumps, and these may be made up of normal breast tissue, other kinds of tissue, or a foreign substance.
But Arruda says that unlike in a human wound, which is eventually repaired with the same kind of tissue that was originally lost, the makeup of Moore's team's polymer differs from that of the original plastic.
HPCs can travel to wherever the body needs them and become different kinds of tissue.
But to coax them down a specific path in the lab requires recreating the precise sequence and timing of environmental cues in the womb — the signals from proteins and hormones that tell cells what kind of tissue to become.
The induced pluripotent stem cells (iPSCs) that the new method produces have the same ability as embryonic stem cells to turn into any kind of tissue.
Researchers have been able to grow the cells in petri dishes, and have even successfully stimulated stem cells to begin building different kinds of tissue.
At the Genomes 2000 meeting here recently, an international collaboration announced its initial funding for a project to grind out methylation maps for every kind of tissue.
Previous work suggested they were as malleable as embryonic stem cells and so could be reprogrammed to make any kind of tissue.
They do their work in all kinds of tissue: in the brain, in heart and muscles, as well as in the lenses of our eyes where they prevent turbidity.
Progenitor cells are similar to stem cells in their ability to differentiate into different kinds of tissue.
And so they have long sought haploid embryonic stem cells, which can become any kind of tissue but contain just one set of genes, like a sperm or egg.
They play a role in the development and maintenance of all kinds of tissues, and even in learning and memory.
In MRI, for example, the pointing angle of the spin gives information about where in the body the atom is located, while the amount of spin (the amplitude) is used to distinguish different kinds of tissue.
When Kliman compared the two different kinds of tissue, he found that the placentas from the autistic children were three times more likely to have the abnormal microscopic pits.
Loring's team tackled this problem using their expertise with induced pluripotent stem cells (iPSCs), which can be taken from almost any tissue in an adult and reprogrammed to become a different kind of tissue.
In defiance of decades of accepted wisdom, researchers this year found that stem cells from adults retain the youthful ability to become different kinds of tissues.
That suggested critical importance of the tissue environment, what Zhang calls the «seed and soil» model: Tumors that grow in one kind of tissue won't grow in another easily.
That and other concerns led the National Institutes of Health to announce in 2015 that it would not fund experiments that put human pluripotent stem cells, those with the ability to morph into almost any kind of tissue or organ, into the early embryos of other animals.
IN ANY KIND OF TISSUE ENGINEERING — whether the aim is to create transplantable organs or miniature organ - on - a-chip models — researchers sometimes depend on stem cells that can adapt themselves to the purpose at hand.
The new cells, which Yamanaka called induced pluripotent stem (iPS) cells, looked and behaved like embryonic stem cells, which are prized for their ability to transform themselves into almost any kind of tissue and, perhaps, someday cure disease — a more distinct possibility now that President Barack Obama has loosened restrictions on stem cell research.
According to Lena Palaniyappan and colleagues, regardless of the kind of tissue damage initially recorded, the brains of schizophrenic patients were shown to be constantly attempting to reorganize themselves.
But because stem cells can become any kind of tissue, human - animal research in the field of «regenerative medicine» raises greater ethical issues and adds, for some, a visceral unease about the organism that could be produced.
While it has long been known that embryonic stem cells have the ability to develop into any kind of tissue - specific cells, the exact mechanism as to how this occurs has heretofore not been demonstrated.
Thomson still supports lifting Bush's restrictions, he said, because no one knows whether the new iPS cells can match embryonic cells» knack for growing into any kind of tissue — brain cells, heart muscle, insulin - producing cells and dozens of others — in mass quantities.
«The circadian clock was not regulating the functions associated with tissue homeostasis but rather functions linked to the specific stress experienced by each kind of tissue,» Francisca explains.
Sometimes they increase estrogenic activity — depending on the type of estrogen receptor present in this kind of tissue, say, in this case, the skin — and sometimes they increase it, like in the ovaries.
Joints are made up of many different kinds of tissues, both hard and soft.
Vitamin C is a powerful antioxidant that plays a role in the maintenance of all kinds of tissues across the body.
They were eating, eating me because when they were stuck to my arms they were pulling out my tendons and nerves and every kind of tissue on me.
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