Sentences with phrase «animal cells involving»
Cellular Studies (CEL): The study of animal cells involving the use of microscopy to study cell structure and studies investigating activity within cells such as enzyme pathways, cellular biochemistry, and synthesis pathways for DNA, RNA, and protein.
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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 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.
«In animal studies, exercise has been shown to specifically affect the hippocampus, significantly increasing the growth of new neurons and cell survival, enhancing memory and learning, and increasing molecules that are involved in the plasticity of the brain,» Chaddock said.
Bar coding typically involves sequencing a few short segments of animal DNA from the mitochondria, the mini-organs that produce energy within every cell.
► The U.S. National Institutes of Health (NIH) has put funding on hold for experiments that involve «mixing human stem cells into very early animal embryos and letting them develop» while it «reconsiders its rules» for this type of research, Gretchen Vogel reported Wednesday.
In unpublished research, Cagan (now at the Wellcome Trust Sanger Institute in Hinxton, England) found that genes involved in helping neural crest cells migrate differed between the tame and wild animals (SN: 6/13/15, p. 11).
But Pearse had shown that no virus was involved; the cancer cells had transferred directly from one animal to the next.
The report, from a committee made up of 11 members of Parliament, also recommends legalizing research involving embryos of chimeras and hybrids, which includes cells created by fusing human and animal nuclei.
In earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spread.
I mean, you know, the people that are involved in this, you know, imagine a future where, you know, you can take some stem cells from a farm animal, grow them and produce meat.
The study suggests there may be «many more such instances of misidentification of animal species» — especially considering that the sunfish is relatively large and hard to miss — says Byrappa Venkatesh, a geneticist at the Institute of Molecular and Cell Biology in Singapore, who was not involved in the new research.
With chronically infected mice as their model, the researchers used a new technology called ATAC - seq to map the regulatory regions of the genome — the sections of DNA involved in switching genes on and off — in the animals» exhausted and functional CD8 + T cells.
In most animals, nutrition involves components specialized in the regulation of nutritional supply and demand (in most animals, for example, the brain controls the needs of the body cells).
The human kidney cell involved survived the experience, and though we are a long way from the laser eyes of Cyclops from the X-Men franchise, the achievement suggests that «living lasers» might be created inside live animals.
Also, while many of the genes involved in basic cell functions are the same in this plant and animals, the set of genes for cell - to - cell communication vary dramatically between the two kingdoms.»
Indiana University scientists have discovered the first known instance of a plant or animal lacking several key genes involved in energy production in cells.
Some animals, such as the axolotl salamander, can regrow new body parts in a process that involves the generation of new cells.
While assisted reproductive techniques such as intracytoplasmic sperm injection (ICSI)-- which involves the direct injection of sperm into the egg cell — can overcome head or tail abnormalities in sperm, recent animal research suggests that fertility doctors must use these techniques with care.
But these trials involve cells that were originally created using animal products for research.
Chimeras that combine animal and human cells, especially those that involve pluripotent human cells, raise ethical questions, however.
The researchers administered drugs to block neurotransmitters common to humans, frogs and other animals: GABA - A, which is responsible mainly for inhibiting nerve cells from firing, and glutamate receptors (AMPA and NMDA), which are involved primarily in exciting neurons to fire.
The solution was targeted to each animal's striatum, a brain region involved in motor control; it is the dopamine - producing nerve cells in this area that die during Parkinson's disease.
Stem cell technology has advanced so much that scientists can grow miniature versions of human brains — called organoids, or mini-brains if you want to be cute about it — in the lab, but medical ethicists are concerned about recent developments in this field involving the growth of these tiny brains in other animals.
John O'Keefe, along with John Dostrovsky, discovered in 1971 that the hippocampus contains special nerve cells that are involved in determining an animal's specific location, which they called place cells.
Current efforts, mostly conducted in animal models, involve attempting to derive and aggregate embryonic stem cells, exposing them to such factors as acetic acid, allowing them to differentiate, or specialize, and then sorting through these cells to extract the cell types of interest.
We need to study brain activity at neural resolution in animals to understand the cell - types and microcircuitry involved.
Supplies: The amount of money requested for supplies should be divided into major research supply categories (e.g., cell biology reagents, test fees, etc.) If animals are to be involved, the justification should state how many are to be used, their unit purchase price, and their unit care cost.
In this interview, Dr. Haller discusses the possibility of utilizing stem cells to generate new kidneys, including using animal models to understand the pathways involved, 3D bio-printing and the timeline to the clinic.
Federal officials are proposing to end a moratorium on funding for research that involves transplanting human stem cells into animal embryos, a controversial practice that produces organisms know as «chimeras.»
Others including Randy Schekman had discovered NSF to be important for vesicle trafficking and secretion in yeast, leading Rothman to argue that these proteins are involved in vesicle fusion in every cell of the animal kingdom — a universal mechanism for secretion.
The Society believes that research involving the transfer of a human nucleus into an animal egg will lead to important new knowledge about cell nuclear replacement (CNR) technology and, if it were to prove possible to produce embryonic stem cells by this route, would increase understanding of how to programme these cells to develop into different tissue types.
The cell types involved in diabetes — the beta and immune cells — are being studied in the culture dish, as well as transplanted into lab animals.
• Disease - driving pathways that involve the human immune system are often targeted by antibodies, and Organ - Chips recreate complex interactions of different human cell types and aspects of the human immune system, overcoming limitations of animal models which do not reflect all human immune cells.
Cell culture studies involve removing tissue (or even individual cells) from a plant or animal and growing them in a laboratory environment.
In 2013, Peterson and his colleagues Joanna Yeh and Keith Joung were first to use the new technology to engineer a new strain of animal — a zebra - fish missing the GSK3ß gene, which encodes an enzyme involved in energy metabolism and the development of cell and body structures as an embryo grows.
The work in humans is complemented by laboratory work involving cell death in Parkinson's disease, effects of stimulation on hippocampal neurogenesis and animal models of deep brain stimulation.
In animal studies — and particularly in studies involving the gastrointestinal tract and colorectal cancer — intake of isothiocyanates has been shown to inhibit growth of existing cancer cells and to be protective against the formation of such cells.
Treatment for these one celled animals involves giving medications daily for one to two weeks.
Primarily used for racehorses, the procedure involves removing cells from an animal, harvesting stem cells and then injecting them at the injury site.
«Because Vetericyn products do not contain antibiotics, they can not be overused and the animal will never build up a resistance... [alcohol has] been shown to damage cells and healthy tissue involved in wound repair,» she explains.
Some animals, such as the axolotl salamander, can regrow new body parts in a process that involves the generation of new cells.
Published articles address a broad range of subjects relating to the kidney and urinary tract, and may involve human or animal models, individual cell types, and isolated membrane systems.