Sentences with phrase «like cell system»

Now, as published in Science, Weizmann Institute scientists have created an artificial, network - like cell system that is capable of reproducing the dynamic behavior of protein synthesis.

Not exact matches

Rather than an activator of T cells, the molecule acted like a brake, stopping the immune system from its attack.

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.

If human brains are like body's cells, there is a natural point of specialization, in which new systems break away and form similar but slightly different branches, as cells in a body become fingers, feet, hands, etc..

A single human egg cell is alive, but it has no experiences like those of an adult, or a child, or even of an animal with a central nervous system.

Another possibility is that there was a reasonable probability of forming self reproducing systems, like cells, but that most of these forms of life did not evolve intelligence.»»

Like attempting to insert religion into the school system, stymie medical research aka stem cells, restrict a woman's reproductive rights... etc..

Waddington's paper in Towards a Theoretical Biology follows on from one by Brian Goodwin («A Statistical Mechanics of Temporal Organization in Cells») in which Goodwin looks at the question of how ordered systems like cells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physioCells») in which Goodwin looks at the question of how ordered systems like cells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physiocells, and still more macro-organisms, supervene on the movements of their constituent molecules, and how one is to close the gap between molecular biology and cell physiology.

Even if such study leads us to something comparatively unromantic or unexciting, like «electrons, or the organic chemistry of the living cell, or the autonomic nervous system or the sun or anything else, then the workable idea of God would say: Lo, this is God.

Your developing baby doesn't look like a baby yet, but cells have clustered in places where your baby's heart and circulatory system will grow as well as where lungs, urinary tract, intestines, brain and entire nervous system will grow.

Eager to sort through the pile of curriculum vitae's on his desk, Rudnicki is particularly looking for molecular geneticists working on different stem cell systems; scientists with genomics bents like proteomics, microarray analysis, and bioinformatics; and a couple of clinician scientists.

Here is how: Software gathers a Web page's content from the computer's operating system, converts the words and images into a digital version of Braille and then represents that via a touchable row of finger - sized rectangular cells lined up side by side like dominoes.

«If ctenophores diverged first, these organ systems likely have been present in the common ancestor of all animals — and sponges and placozoans must subsequently have lost them — or complex traits like nerve cells and muscles must have emerged independently several times in different lineages,» Wörheide explains.

The researchers found that production of this mucus lining depends upon a single immune system regulator — the NLRP6 inflammasome — that controls mucus secretion by cells in the wall of the intestine, just like turning on a faucet.

The system works just like a standard glucose meter: patients test their blood using a traditional lancet, then use a special strip stored in the cell phone to analyze it.

If we can boost the immune system and allow microglia to do their job and control brain tumor stem cells, it would be like removing the seed from the soil — stopping the tumor growth before it starts to get out of control.»

Finally, the team grew the tissue in a three - dimensional system, which coaxed it into forming all the structures found in gut tissue, including the finger - like villi that protrude inwards to increase surface area, and recesses called crypts containing the intestinal stem cells that renew the gut lining weekly (Nature, DOI: 10.1038 / nature09691).

But researchers dream of being able to create truly elastic electronic components — soft circuit systems that can act more like live cells, moving around autonomously and communicating with each other to form new circuits rather than being stuck in one configuration.

«However, cholesterol is involved with many key processes and structures in the body like cell membranes, bone health and the immune system.»

What's more, the studies suggest how our gut microbes make the immune system turn against nerve cells — a finding that could lead to treatments, like drugs based on microbial byproducts, that might improve the course of the disease.

The researchers reported the natural inflammatory response when a foreign substance like a hydrogel is introduced into a system and draws cells that secrete proteins involved in cellular infiltration, scaffold degradation, vascularization and innervation.

As of April, telecoms giant AT&T had 3000 systems deployed around the US, boosting mobile broadband coverage in areas like stadiums and shopping malls where big, expensive cell masts can not always cope.

«Drugs like morphine hijack the body's natural painkilling mechanisms, such as those used by endorphins, but because they act within the central nervous system, they can affect other brain cells that use similar pathways, leading to side effects such as addiction or sleepiness,» says Professor Gamper.

Although some cancers — particularly those that are rife with mutations like lung cancer or melanoma — create more tangible targets on the surface of cells for the immune system to recognize and attack, other malignancies such as prostate and pancreatic cancers have proved more intransigent.

This growth suggests that the rickshaw could also play a similar emissions - cutting role elsewhere with better engine and communications technologies like Global Positioning System and cell - phones.

Their investigations found that within the endocarp layer — which consists mainly of highly lignified stone cells - the vessels that make up the vascular system have a distinct, ladder - like design, which is thought to help withstand bending forces.

When they find an intruder, the dendritic cells brandish a sample (think of a most - wanted poster) and rush to the lymphatic system, where they present it to T cells, whose role is to form a posse and fan out through the body to hunt down and kill any proteins that look like the poster.

Then the stem cells release the interleukin, which is like a beacon to tell the immune system to come in and attack, right here.

To T cells, AdV is like an alarm ringing at the firehouse, dispatching the fire trucks of the immune system.

The drug's mechanism of action was entirely new: Instead of attacking cancer cells (like chemo), or indiscriminately revving up the immune system (like IL - 2), ipilimumab blocked a single receptor on one type of immune cell.

Because CTLA - 4 acts like a brake on the immune system, it prevents the body's defenses from attacking cancer cells.

«It might sound counterintuitive, but we suggest that this small group of cells actually functions like a braking system for pain,» says Sun.

Neurons are specialized cells of the nervous system that communicate using electrical signals, which propagate down long, wire - like projections called axons.

Thermal fluids are used to alleviate wear on components and tools and for machining operations like stamping and drilling, medical therapy and diagnosis, biopharmaceuticals, air conditioning, fuel cells, power transmission systems, solar cells, micro - and nanoelectronic mechanical systems and cooling systems for everything from engines to nuclear reactors.

There are experiments in using stock market — like systems, in which people bet on ideas to answer seemingly unanswerable questions, like when terrorist events will occur or when stem cell therapy will allow a person to grow new teeth.

The researchers theorize that the segmentation clock works like other excitable biological systems that require certain thresholds to be met before sparking an action, such as neurons firing and calcium waves traveling across heart cells.

Ultimately, we would like to collect the developmental history of every cell in the nervous system and link that information to the cell's final function.

Researchers have developed the first real - time system to watch directly through the microscope as Ebola - like virus particles fuse with human cells to infect them.

Because human T cells don't have as many of these brakes, our cells are a hundred times more aggressive than those of chimps when faced with drugs like TGN1412, which work by triggering the immune system.

The Hippo signaling pathway, which is highly conserved up to humans, was known to play a critical role in organ size determination, like, for example, in the liver, but has not been demonstrated to influence neural stem cells in the central nervous system.

A potential solution to this problem is to reprogram other cell types into functional beta - like cells, which can produce insulin but are distinct from beta cells and therefore are not recognized or attacked by the immune system.

Of course, it makes sense that viruses would choose to turn off genes that the immune system needs to fight the virus, «like interferon - b, which is a highly anti-viral gene expressed in virtually all cell types; or genes that T cells need to recognize virus - infected cells,» Kuss - Duerkop says.

As explained by lead researcher, Dr Ferdinand von Meyenn, postdoctoral researcher in the Epigenetics research programme at the Babraham Institute and first author on the paper: «Our method establishes a reliable system that can be used to explore the early stages of epigenetic reprogramming in primordial germ cell - like cells and how this is regulated in the generation of reproductive cells.

Axons, the long projections of neural cells which form the nerves of our peripheral nervous system, are like electrical cables: they have thick electrical insulation so that they can quickly relay stimuli from the body and signals from the brain to a toe, for example.

In healthy people, brain cells link together at a single frequency of electrical activity, like tuning in to a radio station, says Robert McCarley of the VA Boston Healthcare System and Harvard University.

Though his approach is distinctly different from a donor stem cell transplant like Timothy Brown's — in which the entire immune system is replaced — it is a promising start, with potentially significant clinical benefit and far less risk.

There are these greenfield areas like the human brain, systems biology, understanding how cells work internally, and how the proteins interact inside the cell.

These intriguing cells, which are also present in humans, work much like the Global Positioning System, allowing animals to understand their location.

Defender cells would be fiercely fighting off even harmless foreign substances like the parts of certain kinds of food, for example, as the immune system would simply not be «tolerant» towards these harmless substances.

Sure, you can get traffic updates radioed to your nav system or sent to your cell phone, courtesy of traffic - data providers like Navteq, based in Chicago, and Clear Channel Radio of San Antonio.