Sentences with phrase «animal cells within»

Animal cells within the meat are surrounded by a thin membrane that is easily dissolved by digestive juices, however, when cooked quickly and at high temperatures, this membrane will toughen, slowing digestion and impairing nutrient uptake.

Not exact matches

The theory of societies, like modern general systems theory, pictures a world made up of societies within societies (systems within systems) That is, societies do not just line up side by side like mosaics — they form «nested hierarchies» that go from subatomic particles through cells to animal bodies, or through stars to galaxies.

Researchers at the Center for Engineering MechanoBiology (CEMB), an NSF Science and Technology Center at the University of Pennsylvania, study plants like this Arabidopsis thaliana to learn how molecules, cells and tissues integrate mechanics within plant and animal biology, with the aim of creating new materials, biomedical therapies and agricultural technologies.

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 another.

Bar coding typically involves sequencing a few short segments of animal DNA from the mitochondria, the mini-organs that produce energy within every cell.

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.

The study — which looked at the action of Substance P within nerve cells in the lab and in animal models — focused on acute pain, but Professor Gamper aims to look at its role within chronic pain as well.

Comprising just 30 letters of genetic code, piRNA are only found within cells in the reproductive organs of animals, where ensuring the stability and integrity of DNA is of particularly vital importance.

Further animal studies by Kipnis and others show that learning new tasks triggers a mild stress response within the brain, which prompts CD4 cells to rally to the meninges, the membranes that surround the brain.

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

The treatment not only led the spinal cord cells to produce and secrete ChABC in large quantities over areas spanning the injury epicenter, it helped to maintain the overall health of the damaged spinal cord and restored hind limb function in the animals within 12 weeks.

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

The development of transgenic Hydra several years ago by Robert Steele of UC Irvine, however, has enabled biologists for the first time to track individual cells within the freshwater animal.

Lei and Spradling used a technique that allows individual cells and their progeny within a living animal to be followed over time by marking the cells with a new gene.

When Gu and colleagues injected their synthetic cells into diabetic mice, the animals» blood sugar levels normalized within an hour and stayed that way up to five days, when the cells ran out of insulin.

The technique's success in the body of an animal (rather than just cells in a petri dish) has Dzau hopeful that he can adapt it to treat humans within a decade.

«This is why we are investigating in animal models how the nerve cells within the entorhinal cortex are connected with each other.»

Dr. Lyons and his team used zebrafish to study the formation of myelin sheaths by oligodendrocytes because this laboratory animal is transparent at early stages of its development, which allows investigators to directly observe cells within the organism.

Both the number and activity of osteoblasts — cells that produce and reshape bone tissue — were increased within the bone marrow of mice with lung tumors compared with cancer - free animals; and reducing the number of osteoblasts in mice not only limited neutrophil infiltration of tumors but also interrupted tumor progression.

MicroRNAs are short molecules that work within all animal and plant cells, typically functioning as a «dimmer switch» for one or more genes, binding to the transcripts of those genes and preventing protein production.

He said that genetic and morphological heterogeneity within populations of animal cells is an emerging phenomenon and has been observed in tumor populations.

These findings suggest an important role for calcium ion signaling in regulating extrusion and could help improve understanding of how the bacterium leaves an infected cell and spreads within the body of an infected person of animal.

The Hippocampal Formation contains several types of cells which code for different aspects of space: the animal's current location within the environment, its heading direction, the distance over which it travels in a particular direction, and the location of environmental boundaries.

Taking advantage of infected patients, proprietary animal models of infection and new technological advances in the field of static and dynamic imaging, Immunopathology Unit tackles unresolved issues that include the means by which innate and adaptive immune cells traffic and function within the normal, cirrhotic or cancerous livers.

Sometimes chemicals and cells act differently within an animal than they do in people.

The encapsulation of pancreatic islets within mainly alginate - based macro - or microcapsules with various physical configurations may allow protecting the islet graft without the need for immunosuppressive agents and moreover expanding the donor pool to animal tissue and novel insulin - producing cells.

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.

They are the only means to target and manipulate specific cell types (populations) within neuronal networks in living animals.

There are also some animal species — such as Tasmanian devils and domestic dogs — that are known to have transmissible cancer cells circulating within their populations.

Shatz's lab was among the first to demonstrate that early spontaneous neural activity promotes the organization of billions of nerve cells within animal and human brains.

Making use of cell and animal models, my laboratory group addresses some of the fundamental questions of how ethanol exposure injures the liver, with a goal ofidentifying the individual targets of ethanol - induced injury and the specific responses of the key cell types within the liver, as well as the integrated, organismal response to this ethanol - induced injury.

We found that old animals bearing CD8 + TCE within Vbeta10 or Vbeta8 families failed to mount an effective immune response against HSV - 1, as judged by reduced numbers of peptide - major histocompatibility complex tetramer + CD8 T cells and an absence of antiviral lytic function.

During development, genes within specific cell types are turned on and off to trigger the necessary expression patterns that create a whole animal.

If the individual cell is restored to its normal chemical balance thereby turning its electrical potential, we will have given life where death and disintegration would normally occur within plant and animal cell.»

In an animal model, there was mitochondrial damage in the cells of the intestinal brush border within an hour of NSAID (indomethacin) administration.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

Once mast cell cancer has metastasized, dogs tend to die within several months as the symptoms of systemic illness (e.g., gastric ulcers) can no longer be managed and the animal loses its quality of life.

are microscopic, single - celled protozoa that live and reproduce within the animal cell.