Sentences with phrase «cells in living animals»

For using light to manipulate the activities of brain cells in living animals and for enabling rapid alterations to the genomes of living organisms.

Howard Hughes Medical Institute researchers have successfully targeted unnatural sugar molecules with chemically unique functional groups onto the surfaces of cells in living animals without altering...

Using a novel approach for imaging the movement of immune cells in living animals, researchers from the Massachusetts General Hospital (MGH) Center for Immunology and Inflammatory Diseases (CIID) have identified what appear to be the initial steps leading to joint inflammation in a model of inflammatory arthritis.

For 50 years of brilliant creativity in biomedical science — exemplified by his legendary work on the genetic code; his daring introduction of the roundworm Caenorhabditis elegans as a system for tracing the birth and death of every cell in a living animal; his rational voice in the debate on recombinant DNA; and his trenchant wit.

Not exact matches

Memphis Meats, meanwhile, innovates by creating products that come from animal cells in a lab — not live animals — to deliver a true «meaty» taste.

While Beyond Meat is making its products out of plants, Memphis Meats grows meat in tanks by feeding oxygen, sugar, and other nutrients to living animal cells.

What guides the process in all living things is DNA, which regulates every cell of every plant and animal.

«In its 4.6 billion years circling the sun, the Earth has harbored an increasing diversity of life forms: for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing ph - otosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, mammals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.»

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.

A thin layer of living cells spread out in two dimensions over the globe could accomplish little; but concentrated in three - dimensional forms, cells constitute the vast and varied world of plant and animal life.

The heuristic field is narrowed down; and a return is then seldom made to the question of what life is as we spontaneously recognize it in the achievements of animals and cells.

Evidence of the fact that union differentiates is to be seen all round us — in the bodies of all higher forms of life, in which the cells become almost infinitely complicated according to the variety of tasks they have to perform; in animal associations, where the individual «polymerises» itself, one might say, according to the function it is called upon to fulfil; in human societies, where the growth of specialization becomes ever more intense; and in the field of personal relationships, where friends and lovers can only discover all that is in their minds and hearts by communicating them to one another.

This depends upon there being a brain, an arrangement of cells in a particular part of the body which by reason of its peculiar coordination makes the given routing able to «know» in a distinctively human manner — quite different from, although certainly continuous with, the sort of «knowing» that is possible for the higher grades of animal life.

(Cf. the phenomenon of the «runners» at first connected with the mother plant and then separated from it; the fluid transition between various plants and animals which appear to be one; the germ - cell inside and outside the parent organism, etc.) Living forms which present what are apparently very great differences in space and time can ontologically have the same morphological principle, so that enormous differences of external form can derive from the material substratum and chance patterns of circumstance without change of substantial form (caterpillar - chrysalis butterfly).

This spontaneity may be minimal for protons and electrons, but in the course of the evolutionary advance, sustained until now, it has manifested itself in ever richer forms as the vitality of living cells, the conscious activity of the higher animals, and the self - conscious freedom of man.

There would, in other words, be no difference in principle (but only in complexity) between living cells and living animals, on the one hand, and rocks and billiard balls, on the other.

Example in point: Opposition to embryonic stem cell / human cloning research: It isn't anti science to oppose treating nascent human life like a corn crop or manufacturing embryos, anymore than it is anti science than the Animal Welfare Act the proscribes what can and can't be done in scientific research with some mammals.

Then he contends that the living occasions of a cell «in abstraction from the inorganic occasions of the animal body» do not «form a corpuscular sub-society, so that each living occasion is a member of an enduring entity with its personal order» (PR 158).

The objects of his study range from a class of molecules that have the basic self - duplicating property of living things, through cells which suggest purely physical systems, through animals which give increasing evidence of having minds, to human beings in whom streams of consciousness seem to involve continual choices of action, at the opposite pole from control by impersonal laws of nature.

Higher animals all seem to contain at least one such society, called a «living person,» present in the body in addition to the cells and molecules of the central nervous system, even though dependent upon them.

Dietary Methylglyoxal (MGO) is a compound that occurs naturally when glucose is made available to a living cell in the human body, plant or animal.

This ancient theory, recounted by Pliny the Elder, is one of the many bizarre early attempts to explain one of life's greatest mysteries — how a nearly uniform egg cell develops into an animal with dozens of types of cells, each in its proper place.

Scientists are forced either to experiment on whole animals, which is expensive, raises ethical issues and may not predict effects in humans, or to perform tests on microscopic human cells found in tissue cultures, which have been altered to live forever and bear little relation to actual living, breathing people.

In animal models, the researchers found that using microRNA to disrupt cells in the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifIn animal models, the researchers found that using microRNA to disrupt cells in the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifin the brain's prefrontal cortex — a region associated with complex planning and decision - making — affected learning and memory later in lifin life.

«These predictive algorithms seem to do a good job when CRISPR is performed in cells or tissues in a dish, but whole genome sequencing has not been employed to look for all off - target effects in living animals,» says co-author Alexander Bassuk, MD, PhD, professor of pediatrics at the University of Iowa.

The work in animals and cells also may not fully mimic real life.

A class of small molecules found in grapes, red wine, olive oil, and other foods extends the life of yeast cells by approximately 70 % and activates genes known to extend life span in laboratory animals.

In a 1967 paper published in the Journal of Theoretical Biology, Margulis suggested that mitochondria and plastids — vital structures within animal and plant cells — evolved from bacteria hundreds of million of years ago, after bacterial cells started to collect in interactive communities and live symbiotically with one anotheIn a 1967 paper published in the Journal of Theoretical Biology, Margulis suggested that mitochondria and plastids — vital structures within animal and plant cells — evolved from bacteria hundreds of million of years ago, after bacterial cells started to collect in interactive communities and live symbiotically with one anothein the Journal of Theoretical Biology, Margulis suggested that mitochondria and plastids — vital structures within animal and plant cells — evolved from bacteria hundreds of million of years ago, after bacterial cells started to collect in interactive communities and live symbiotically with one anothein interactive communities and live symbiotically with one another.

This year those breakthroughs include tools for reprogramming living cells and rendering lab animals transparent; ways of powering electronics with sound waves and saliva; smartphone screens that correct for the flaws in your vision; Lego - like atomic structures that could produce major advances in superconductivity research; and others.

One would culture thin sheets of meat, seeded by cells from a living animal, on a reusable polymer scaffold; the other would grow meat on small edible beads that stretch with changes in temperature.

This unique organization of tubulin is preserved among all living plant and animal cells, because it is essential for way in which microtubules assemble, Al - Bassam said.

Last spring the team reported that their fibers induced the formation of new blood vessels in both cell cultures and living animals.

Direct recordings from the neurons of live mice showed the same pattern: Animals that had gone through a stressful procedure had more bursting cells in the lateral habenula.

That DNA molecule happens to reside in a developing egg cell within an ape - like animal living in Africa.

«They are more true - to - life than cells in dishes and more human - like than animal models,» said Hamilton.

Her cells live on in animals infected with DFTD today.

But, counter-intuitively, this mass cell death might be the very thing that makes the animals so long - lived: it could be a natural mechanism their bodies use to clear precancerous cells, stopping tumors in their tracks.

Other techniques exist for remotely controlling the activity of cells or the expression of genes in living animals.

Biologists, physicists, mathematicians, and computer scientists have begun cooperating on a sophisticated «systems biology» aimed at understanding how the countless molecular interactions at the heart of life fit together in the workings of cells, organs, and whole animals.

To better determine the role of specific chemoattractants in type III hypersensitivity, lead author Yoshishige Miyabe, MD, PhD, a research fellow in Luster's lab, used multiphoton intravital microscopy — an imaging technology pioneered for studies of immune cell movements in living animals by CIID investigator and co-author Thorsten Mempel, MD, PhD — to follow in real time the development of IC - induced arthritis in a mouse model of rheumatoid arthritis.

Now scientists are figuring out how to observe astrocytes in living animals and learning even more about the cells» abilities.

ATP (adenosine triphosphate) is the main energy source inside a cell and is considered to be the high energy molecule that drives all life processes in animals and humans.

The ability to automate morphology assays on 3D cell cultures is a powerful tool, but some scientists are now pushing the technology even further, with algorithms that can classify structures in living animals and clinical specimens.

Complex phenomena — which we have so far only been able to study in live animals - can now be investigated in simple laboratory experiments using cultivated cells,» says postdoc Hans Christian Cederberg Helms from the Department of Pharmacy.

«This landmark study draws the conclusion in pre-clinical animal studies that stem cell therapy for disc degenerative disease might be a potentially effective treatment for the very common condition that affects people's quality of life and productivity,» said the senior author, Wenchun Qu, MD, PhD, of the Mayo Clinic in Rochester, Minn..

Using a nuclear protein expressed in follicle stem cells (FSCs), the researchers found that castor, which plays an important role in specifying which types of brain cells are produced during embryonic development, also helps maintain FSCs throughout the life of the animal.

As the cells mature, they must also be stimulated to move as they would be by bone growth and body movement in a living animal.

Billions of microbial cells live in the guts of humans and other animals.

Researchers at Boston Children's Hospital have, for the first time, visualized the origins of cancer from the first affected cell and watched its spread in a live animal.

The use of cell surface markers to isolate specific cell populations is one common method for separating cells; however, isolating live cells based on their RNA expression is a powerful new way enabling the study of small cell niches in nongenetically modified animal models and human tissue.