Sentences with phrase «system molecule known»

In psoriasis, the culprit is a class of immune system molecules known as cytokines.

Not exact matches

Mutations are indeed not, so far as we know, selected by any overall purpose favoring evolution; but this is compatible with there being short - run and very naive purposes, desires, or feelings in the atoms and molecules constituting the genes, as well as in every cell and every metazoan with a nervous system.

The molecule in question, known as beta - 2 microglobulin, or B2M, is a component of a larger molecule called MHC I (major histocompatibility complex class I), which plays a major role in the adaptive immune system.

In particular, two molecules known to play a role in cancer's suppression of the immune system are PD - L1 and galectin - 9.

Tritium, another harmful radionuclide, can not be safely removed by any known purification system because it is incorporated within water molecules.

«If we can find molecules that modulate membralin, or identify its role in the cellular protein disposal machinery known as the endoplasmic reticulum - associated degradation (ERAD) system, this may put the brakes on neurodegeneration.»

He says that besides establishing he shape of known molecules, the system can model the electron clouds of imaginary molecules, which could be very useful in drug research.

Many scientists are working to develop microfluidic systems — known as labs - on - a-chip — that can mix small amounts of chemical reagents or biological molecules.

Known as the blood - brain barrier, cells that line the brain and spinal cord are tightly packed, making it difficult for anything besides very small molecules to cross from the bloodstream into the central nervous system.

We know that some strains of intestinal bacteria produce compounds that have an effect on the nervous system: neurotransmitters, for example, or metabolites that alter the blood - brain barrier (a barrier which filters the molecules passing from the body to the brain circulation — ed.

This network includes a set of serotonin - sensitive neurons known as URX neurons, which have access to the worm circulatory system and apparently release a still - to - be-identified signaling molecule.

In 2012 the teams of Dr Craciun and Profesor Russo, from the University of Exeter's Centre for Graphene Science, discovered that sandwiched molecules of ferric chloride between two graphene layers make a whole new system that is the best known transparent material able to conduct electricity.

Because of the work of several other collaborators, Haughey says, his team knew that some sort of inflammation - promoting molecule was released from brain and targeted to the liver after brain injury to send immune system cells to the damaged area, but the identity of this go - between had been elusive for years.

The sensor system therefore collects molecules in the air over a known period of time and then quantitatively measures the amounts collected — an approach which significantly reduces the system's detection threshold.

She found a gene for what's known as the major histocompatibility complex (MHC)-- cell surface molecules that help the immune system recognize foreigners — that was remarkably similar to one in humans that allows infected people to keep the virus in check for decades.

In this system, the DNA strand, with its genes, is coiled around molecules known as histones, which themselves are assembled into larger entities called nucleosomes.

Published Thursday January 21st, 2016 in the journal Cell Reports, a team from Cardiff University's Systems Immunity Research Institute identify a molecule in the body — known as L - selectin — which directs the body's killer T cells to the site of a virus.

«It was known that acute exposure to pyrethroids could lead to immune dysfunction, and that the molecules they act on can be found in immune cells; now we need to know more about how longer - term exposure affects the immune system in a way that increases risk for Parkinson's.»

The list of accomplishments is far too large to fit within one article, but they include: the first search for extraterrestrial intelligence; creation of the Drake equation; discovery of flat galactic rotation curves; first pulsar discovered in a supernova remnant; first organic polyatomic molecule detected in interstellar space; black hole detected at the center of the Milky Way; determination of the Tully - Fisher relationship; detection of the first interstellar anion; measurement of the most massive neutron star known; first high angular resolution image of the Sunyaev - Zel» Dovich Effect; discovery of only known millisecond pulsar in a stellar triple system; discovery of pebble - sized proto - planets in Orion, and the first detection of a chiral molecule in space.

Dennis Prieve, at Carnegie Mellon University, was interested in applying the paper — on how systems of molecules known as «reverse micelles» conduct electrical charge — to his own work, but was having trouble repeating the calculations.

Such systems are often obtained starting from â $ oldâ $ molecules whose well - known properties are exploited by novel ideas coming from nanoscience and nanotechnology.

When he moved back to Tokyo in 1977 to the lab of Yasuhiro Anraku, Ohsumi continued with his new study subject, but worked on transport systems that moved small molecules like amino acids and calcium into and out of the yeast version of the lysosome (idiosyncratically known by yeast biologists as the vacuole — which means «empty space»).

Using the world's most powerful x-ray laser, an international collaboration led by Berkeley Lab researchers took femtosecond «snapshots» of water oxidation in photosystem II, the only known biological system able to harness sunlight for splitting the water molecule.

The team discovered that ATP and ADP — two molecules that are central to metabolism and are known to modulate the Kai system — were maintained in a steady ratio during darkness, suggesting that sugar feeding was responsible for stabilizing the clock.

TNF inhibitors — known as biologic drugs, because they're derived from substances that occur naturally in humans and animals — work by blocking the action of TNF, an important immune - system molecule.

And as you know from my article above, visceral fat is particularly dangerous as once it accumulates in your gut and around your organs, it continuously releases inflammatory molecules into your system.

No matter how the glycerine molecules find their way into the digestive system, their fate seems to depend upon the energy status of the person at that moment.

What is known is that the immune system creates two key anti-cancer molecules called: interleukin and interferon.

These special diets either contain ingredients that the pet has never eaten before; or they contain protein molecules that have been made so small that the pet's immune system can no longer recognize them.

Normally, the immune system is prevented from acting on these whole protein molecules by the gut - associated lymphoid tissue, better known as GALT.

100 % certainty means we know every possible potential driver of global temperature on the scales of subatomic particles, atoms and molecules, the microscopic, the macroscopic, the Earth, the Solar System, the galaxy, and the Universe.

We just don't know anything right now about how the effects of a CO2 molecule, or any other molecule that can absorb infrared, shake out in a system as complex as that of our planet.