Sentences with phrase «few early cell»

E-ink technology appeared in a few early cell phones and spread to applications that included traffic signage, electronic shelf signage, and wearables.

Not exact matches

This happens at the very earliest stage of development, when the zygote is no more than a cluster of a few cells.

A study earlier this year found that sperm stored in female crickets have fewer free radicals, hydrogen - hungry molecules that cause cell damage.

If they decide to deploy mobile cell towers in the early hours of the crisis to restore communications, NPS1 can tell them whether more civilians will take to the roads, or fewer.

Scientists investigating the earliest stages of cancer development used an exquisitely sensitive sequencing method capable of detecting DNA mutations present in as few as 1.6 per cent of blood cells, to analyse 15 locations in the genome, which are known to be altered in leukemia.

When it reaches the brain, Zika virus infects neuronal stem cells, which will generate fewer neurons, and by inducing chronic stress in the endoplasmic reticulum, it promotes apoptosis, i.e. the early death of these neuronal cells.

Although the bulk of the commercial manufacturing uses cultures of bacteria, such as Escherichia coli or Chinese hamster ovary cells, a few biotech companies are trying to produce therapeutic proteins in the milk of transgenic mammals (such as GTC Biotherapeutics, which is using goats; PPL Therapeutics, which is using sheep; and BioProtein Technologies, which is working with rabbits), transgenic chicken eggs (such as Avigenics or Vivalis), or even in transgenic crops (such as ProdiGene or Meristem Therapeutics); but it is early days for these «pharming» methods.

People infected with HIV have few signs of microbial translocation during the first six months of infection as it takes time for the virus to kill off epithelial cells and weaken the gut wall so that bacteria can leak through — so treating them early could be more effective.

Nevertheless, as Tobias says, it is still ``... a field beset with relatively few facts but many theories... The story of early hominid brains has to be read from carefully dated, well identified, fossilised calvariae, or from endocranial casts formed within them... Such materials confine the Hercule Poirot, who would read «the little grey cells» of fossil hominids, to statements about the size, shape and surface impressions... of ancient brains...» The other major limiting factor at the moment is the lack of suitable fossil skulls for such studies.

By examining the hippocampus — a portion of the brain associated with the process of learning — after the rats learned to associate a sound with a motor response, scientists found that the new brain cells injected with dye a few weeks earlier were still alive in those that had learned the task while the cells in those who had failed did not survive.

Compared with the early - passage versions, five of the nine late - passage cell lines had either extra or fewer copies of at least one section of DNA.

This accelerated early development meant that blastocysts from overweight and obese women contained fewer cells, most notably in the outermost layer, which goes on to form a large part of the placenta.

As with their two earlier studies, Dr. Ding and his UCSF collaborators, led by Holger Willenbring, MD, PhD, associate director of the UCSF Liver Center, utilized small molecules, along with very few genes, to transform adult skin cells into early - stage liver cells.

Researchers at the University of Cambridge have managed to reconstruct the early stage of mammalian development using embryonic stem cells, showing that a critical mass of cells — not too few, but not too many — is needed for the cells to being self - organising into the correct structure for an embryo to form.

The researchers, however, observed that older brains formed fewer blood vessels and possessed a smaller pool of progenitor cells — the early descendants of stem cells that turn into neurons.

«During the early debates about the Human Genome Project, researchers had predicted that only a few percent of the human genome sequence encoded proteins, the workhorses of the cell, and that the rest was junk.

Harold Varmus: Well the simplistic way to think about that is and I'm not sure this is the way it will be worked out, is to be able to take just a few cells from those early lesions and examine them genetically or for other kinds of marks on the DNA that would predict whether or not this is some - this is a lesion which might or an early stage growth that might never be able to progress, but it is also possible that every early tumor of that kind has some probability of expanding and invading and growing to become a medical problem, so getting that right will obviously be crucial because it's very difficult to say when you've diagnosed something that is an early stage tumor that it won't progress.

In a study published earlier this year, the same Belmonte and Gage lab team demonstrated that a few ES cells in a culture dish tended to lose stemness and evolve into muscle cell precursors, most likely goaded by a muscle differentiation factor known as BMP.

Nitric oxide, superoxide and peroxynitrite have also been implicated as responsible for the mitochondrial dysfunction apparent as early as three days after immunisation in excised tissue23, and we have confirmed the mitochondrial dysfunction at early days in vivo (data not shown), a time when inflammatory cells are very few in number, if present.»