Sentences with phrase «using animal cells»

But even using animal cells can be a terrific way to test and research the effect of experimentation on humans: Many of the cellular processes and functions are quite similar between organisms.

«In addition to organ transplants there could also be potential for using animal cells, where transplants of pancreas cells could help the many diabetes sufferers.

The team tested their theory using animal cells.

While startups like Impossible Foods are focused on developing plant - based alternatives to the proteins that give meat its flavor, Future Meat Technologies and Memphis Meats are trying to use animal cells themselves to grow meat, rather than basically harvesting it from dead animals.

Not exact matches

In Brooklyn, Modern Meadow, backed by $ 53 million from investors, creates «leather» using engineered cells rather than animal skins.

Bethencourt and Shigeta figured they could use cell cultures to grow meat without slaughtering any cows or chickens — but why rely on those animals at all?

The increasing use of in - vitro - fertilisation techniques, and the emergence of new possibilities involving human cloning, mixing of human and animal genetic elements, and the use of embryonic stem cells for research, among other things, brought the need for further teaching.

The term «egg» is used differently outside the animal kingdom, for an egg cell (sometimes called an ovum).

Where is the clear line in a progression from (1) using animal insulin to treat diabetes, to (2) using gene remodeling techniques to grow insulin in a host bacterium that will reproduce rapidly and from which a plentiful supply of insulin can be harvested, to (3) genetic surgery to replace the defective gene in a person diagnosed as diabetic, to (4) genetic surgery immediately after fertilization in order to replace the defective gene and alter the germ cells which would otherwise have transmitted the disease to one's offspring?

While some still object to cells being taken from animals and used by scientists to grow clean meat in laboratories — and some just don't like the idea of eating a «cultured» steak created by men and women in white coats — others see the lab - grown meat revolution as key to solving the environmental crisis linked to meat eating.

The lab - grown meat — which the company calls «clean meat» — is developed from self - reproducing cells taken from a chicken, with the purpose of creating a product that omnivores can't distinguish from the real thing, but with a fraction of the considerable downsides of meat production, including environmental destruction and using agricultural land to grow animal feed rather than crops for human consumption.

Thermal pre-treatment — Heating slurry for hygienisation (animal products), protein denaturation and cell autolysis, used in combination with enzymatic, chemical or mechanical pre-treatment.

Alternative protein sources may include the use of by - products currently viewed as waste or the development of new protein sources from plants, lower order animals, or single - cell organisms with a lower environmental impact compared with typical animal - based protein sources.

Researchers at the European Union Reference Laboratory for alternatives to animal testing developed five different tests that use human blood cells to detect contaminants in drugs that cause a potentially dangerous fever response.

Explore how animals have evolved an amazing variety of eyes from early clusters of light - sensitive cells, along with often surprising ways to use them.

Hingtgen's group is already testing how far their tumor - homing cells can migrate using larger animal models.

Schmidt et al. used high - resolution proteomics, electrophysiology, biochemistry, and immunocytochemistry on wild - type and knockout cells and animals to study PMCA - interacting proteins.

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 life.

In animals, implanted electrodes were used to measure the activity of individual grid cells directly, but this is not a practical option in humans.

By using engineered zinc - finger nucleases (ZFNs) designed to target an integrated reporter and two endogenous rat genes, Immunoglobulin M (IgM) and Rab38, we demonstrate that a single injection of DNA or messenger RNA encoding ZFNs into the one - cell rat embryo leads to a high frequency of animals carrying 25 to 100 % disruption at the target locus.

Combing the genetic data from a transmission study in ferrets, a team led by Thomas Friedrich, a professor of pathobiological sciences at the University of Wisconsin - Madison School of Veterinary Medicine, found that during transmission, when one animal is infected by another through sneezing or coughing, the process of natural selection acts strongly on hemagglutinin, the structure the virus uses to attach to and infect host cells.

According to Raymond Geor, an exercise physiologist at Michigan State University, sled dog muscle cells are well equipped to use this fat because they have a higher mitochondrial density — more cellular power plants — than other animals.

«Before this study, it was not known if it is possible to produce sufficient numbers of these cells and successfully use them to remuscularize damaged hearts in a large animal whose heart size and physiology is similar to that of the human heart,» said Dr. Charles Murry, UW professor of pathology and bioengineering, who led the research team that conducted the experiment.

Nor do they need to be nourished from underneath by «feeder layers» of animal cells which have been shown to contaminate human cells grown, making them unsuitable for use in medical treatments.

Again, using mouse models of glioblastoma — this time created from brain tumor cells that were resistant to the herpes virus — the therapy led to increased animal survival.

Using immunostaining, the researchers counted the remaining tumor cells; the mice treated with GD2 CAR - T cells had a few dozen remaining cancer cells per animal, while each control mouse had tens of thousands of cancer cells.

The virus, redesigned using sophisticated protein engineering techniques, works: With its shield and its adapter, these viral gene shuttles efficiently infected tumor cells in laboratory animals.

Sequencing the genome of one such organism, King and her colleagues found genes that code for pieces of the same proteins used for the binding of cells and communication between cells in animals — functions that would be unexpected in such an organism.

King hypothesizes that proteins that the single - celled ancestors of animals used to interact with the extracellular environment — to capture bacterial prey by binding to their cell surface and to detect chemical signals — were later repurposed to enable cells to stick to and talk to each other.

«These cyanobacteria use the entire cell body as a lens to focus an image of the light source at the cell membrane, as in the retina of an animal eye,» says University of London microbiologist Conrad Mullineaux, who helped to make the discovery.

In this study, the Hiroshima University researchers developed an animal model using severely immunodeficient mice whose livers were partially populated with human cells, in order to reconstruct elements of the human immune system.

Using animal models of precancerous polyps in the bowel, Chung and his team determined that certain types of immune cells within a chronically inflamed intestine can become rewired, causing them — paradoxically — to contribute to disease development rather than protect against it.

«Advanced Cell Technology has the ability to produce transgenic animals using fetal fibroblast nuclear transfer,» claims Steve Parkinson, president and chief executive officer.

While mouse models have traditionally been used in studying the genetic disorder, Deng said the animal model is inadequate because the human brain is more complicated, and much of that complexity arises from astroglia cells, the star - shaped cells that play an important role in the physical structure of the brain as well as in the transmission of nerve impulses.

Moreover, Dolly's birth did not prove that cloning could be used to create animals from cells that had been genetically manipulated.

Instead of mitochondria (the cellular engines that convert oxygen to energy, present in all other known animal cells), these creatures contain structures resembling hydrogenosomes, the organelles that anaerobic microbes use to generate energy.

High in the Cederberg Mountains of South Africa grows a bristly shrub that embodies the tug - of - war taking place between industrialized and developing nations over the value of genetic resources — the genes found in plant, animal or microbial cells used for research as well as in commercial products, such as enhanced seeds and naturally derived cosmetics and pharmaceuticals.

Often times we'll use an animal model or cell culture model to test a bioactive to see if it has efficacy.

In one such approach, researchers surgically remove brain cells, use viruses to transfer genes to the cells, and then graft them back into the animal's brain tissue.

«The mixtures of cells under debate are called chimeras,» and animal chimeras are used «in a range of developmental biology and stem cell experiments.

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.

To correct bias, the National Institutes of Health will ask researchers to use more female animals and cells in research.

Thus, in order to successfully produce the main types of «the energy currency» under a high concentration of hydrogen sulfide, the intestinal microflora inhabitants should use a unique type of terminal oxidases, which is missing in the cells of humans and animals,» says Vitaly Borisov.

B: Well, we were in the midst of experiments aiming to use an animal virus to introduce new genes into human cells and into bacterial cells.

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.

The same signals that embryonic cells use to decide whether to become nerves, skin or bone come into play again when adult animals are learning whether to become afraid.

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.

Now, the researchers have discovered an alternative in a mouse model: in the case of breast tumours with a specific defect in DNA repair, the animals can be cured using already established, cheap chemotherapy drugs, if enough DNA damage can be inflicted on the resting tumour cells.

Each tentacle is covered with stinging cells (cnidocytes) that can stun or kill other animals: most jellyfish use them to secure prey or as a defense mechanism.

Researchers have discovered that, like plants and invertebrate animals, mammals use the RNA interference (RNAi) process to destroy viruses within their own cells.