Sentences with phrase «many kinds of cells»

You all live in the same kind of cells, sleep in the same kind of beds, eat the same kind of food, do the same kind of chores.
Hartshorne insists that, «A body is, in the human case, no merely single thing, but a vast society of society of perhaps two hundred thousand kinds of cells.
My question is this: what kind of cell phone coverage is there in sub-Saharan Africa where such a concept would even be feasible?
According to a new survey report from the Pew Internet and American Life Project, 88 percent of registered voters have some kind of cell phone, and of those, over half are smartphone users.
Another would prohibit junior license holders — drivers under 18 — from using any kind of cell phone while driving, including hands free devices.
To make the HSCs, the Harvard group used human skin cells to create induced pluripotent stem cells (iPSCs), adult cells researchers genetically reprogram to an embryonic - stem - cell state, where they can grow into any kind of cell.
It had been thriving for well over a billion years when a new kind of cell appeared on the scene, one that harvested the sun's energy using a process that generates a highly toxic by - product — oxygen.
The new technique also offers the hope that other kinds of cells can live a second life.
Figuring out how blank slate stem cells decide which kind of cell they want to be when they grow up — a muscle cell, a bone cell, a neuron — has been no small task for science.
He noted that it was unclear, for example, whether resveratrol affected the aging process in the kind of cells in the heart and brain that are particularly susceptible to degeneration with age.
«We were starting to understand a lot about circuits and cells, and we had the tools to look at gene expression in different kinds of cells?
Transcription factors are responsible for either inhibiting or promoting the expression of genes, and master regulatory transcription factors are like transcription factors on steroids: their actions regulate thousands of genes in different kinds of cells.
Using a mouse model, the team also demonstrated that two processes during neurodevelopment are regulated by the gene: proliferation — the replication of neuronal stem cells that have the potential to become multiple different kinds of cells, including neurons — and migration — the movement of neurons to specific locations in the brain during development.
«It really pointed to some kind of problem that the devils have with this kind of cell's regulation, which probably gives them a greater risk of developing this type of disease,» Murchison says.
(Mackenzie notes that it shouldn't be a problem for her strategy, because she plans to use the same kind of cells as bone marrow transplants, which haven't caused tumors.)
In Europe and the United States, all kinds of cell preparations that are administered to patients following ex vivo culturing are classified as medicines, and monitored by drug agencies such as the US Food and Drug Administration, the European Medicines Agency and, in Italy, the Agenzia Italiana del Farmaco or AIFA.
Nuclear reprogramming describes a switch in gene expression of one kind of cell to that of another unrelated cell type.
Previously, our main clue that X and Y had a common ancestry was that they swap a few small sections during one kind of cell division, just as pairs of ordinary chromosomes swap much larger chunks.
Transplanted stem cells can differentiate into just about any other kind of cell, including neurons to potentially reconnect a severed spinal cord and repair paralysis.
For example, nobody knows how many different kinds of cells there are in our bodies.
Hertzano and her colleagues used mice whose auditory hair cells glow with a green fluorescent protein, allowing the cells to be identified from other kinds of cells.
In the past decade, scientists have watched protein and RNA molecules condensing into droplets, or membrane - free condensates, in many kinds of cells, from bacterial to human.
The researchers — including co-first authors Patrick Cahan, PhD and Samantha Morris, PhD, of Boston Children's, and Hu Li, PhD, of the Mayo Clinic, first used CellNet to assess the quality of eight kinds of cells created in 56 published studies.
In a paper published online yesterday in Stem Cells, the researchers report that they succeeded in generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embryos.
«We want to make an active miRNA dictionary for each cell type, so that if we want to isolate this kind of cell type, we know how to use this kind of switch,» he said.
Some aptamers can bind to a specific virus, and others can grab certain kinds of cells or attach themselves to vitamins.
And in the third paper, published online today in Science, developmental biologists and stem cell researchers Hugo Snippert, Arnout Schepers, Hans Clevers, and their colleagues at the Hubrecht Institute in Utrecht, the Netherlands, used mice with multicolored intestines to look at the kinds of cells that form intestinal adenomas, a precursor to intestinal cancer.
In what may presage an intellectual property battle, Rudolf Jaenisch of the Massachusetts Institute of Technology in Cambridge and Konrad Hochedlinger of Massachusetts General Hospital in Boston will be awarded a patent on a technique for turning adult mammalian cells into stem cells that can in principle become any kind of cell in the body.
But these light - sensitive neurons get some help from a much rarer kind of cell, according to a new study.
Stem cells hold tremendous promise for medicine; their ability to metamorphose into other kinds of cells make them useful for repairing injuries — from heart attacks to brain damage.
During that time, 42 of these stem cells underwent a spurt of division, churning out two kinds of cells: intermediate cells that would go on to produce nerve cells as well as mature nerve cells themselves.
«Scientists have thought that fibroblasts are terminally differentiated, meaning they can't adopt the fate of other kinds of cells; but our study suggests this may not be entirely true,» said Eric Ubil, PhD, a postdoctoral fellow at UNC and first author of the Nature study.
This kind of cell membrane can be described as a fluid 2 - D solution, in which the components are able to move laterally.
I think there are certain rates of failure they have to deal with; certain kinds of cells that can tolerate it better or not.
The analysis was made possible by a new method of collecting and purifying the nuclei of specific kinds of cells.
The all - powerful potential of stem cells to become any kind of cell is what makes them so promising for restoring diseased or damaged tissues throughout the body — and also what makes them so difficult for scientists to control.
However, different kinds of cells have different epigenetics, so their expression patterns are different.»
But in Turritopsis, the reprogramming of one cell into another kind of cell «is part of a controlled pathway.»
They need exactly the right kind of cell, which is what we are reporting with embryonic stem cells.
He was particularly interested in creating the simplest of solid organs, a phallus, which has just two different kinds of cells to manage.
The Parkinson's patient doesn't need something that is roughly or approximately the right kind of cell.
The results make it clear, says stem - cell biologist Amy Wagers, who headed the study, that these hematopoietic stem cells can do a lot for blood diseases but not for diseases affecting other kinds of cells.
Preliminary tests show that the newly created cells can develop into nerve cells, heart cells, or any other kind of cell in the body.
So it could be RNA or DNA like we have in modern biology or it could be some related kind of material; and we are also thinking about some kind of cell envelope or cell membrane — not that that's necessarily the very first way Darwinian systems began, but at some point they had to transition into a system more related to modern biology where cells are all bounded by membranes — so we're thinking about how to assemble these two components and get them to interact with each other.
Determining whether ES and iPS cells are comparable is important because clinical trials of both kinds of cells are underway.
But when you look at these satellite cells the way we did, they seem ready to become all kinds of cells.
Stem cells are renowned for their regenerative capacity, able to grow into many different kinds of cells in the body.
He also envisions that this kind of nanomechanical phenotyping should allow for the development of predictive models for cellular behavior for any kind of cell.
Vitamin C is known to keep some kinds of cell replication in check, so Benjamin Neel at the New York University School of Medicine probed its effects in mice engineered to have low TET2 activity and a high resulting cancer risk.
In contrast to the cells in the rest of the body, sex cells hold half the number of chromosomes (they are haploid) as a result of this special kind of cell division.
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