Sentences with phrase «fragments of a protein called»

When they examined the dinosaur's leg bone, they found ancient fragments of a protein called collagen (KAHL - eh - jen).

Not exact matches

We now know that plaques are clusters of protein fragments called beta - amyloid peptides.

The majority of people in this field today believe that the plaques, made of a protein fragment called beta - amyloid peptide (BAP), come first, and that the accumulation of this material causes the rest of the disease.

A protein fragment called amyloid - beta (Aβ) is known to aggregate and create plaque in the brains of Alzheimer's patients.

The treatment uses tiny droplets of fat, called nanoliposomes, which are coated in protein fragments that are able to stop amyloid protein accumulating into plaques, even at low concentrations.

It binds to wall - building protein fragments called peptides, in particular those that end with two copies of the amino acid D - alanine (D - ala).

But rather than delivering the entire gene for the clotting - factor proteins to cells, as most gene therapies do, the researchers used the viruses to engineer immune - regulating B cells to express a fragment of the clotting factor fused to an immune molecule called an immunoglobulin.

Specifically, the release of a stress - coping hormone called corticotropin - releasing factor (CRF), which is widely found in the brain and acts as a neurotransmitter / neuromodulator, is dysregulated in AD and is associated with impaired cognition and with detrimental changes in tau protein and increased production of amyloid - beta — protein fragments that clump together and trigger the neurodegeneration characteristic of AD.

Fibrin is an insoluble protein produced by platelets (fragments of white blood cells) from a soluble protein called fibrinogen normally present in blood.

At the heart of the «bit» of memory is essentially a fragment of DNA called a promoter, which enables the machinery of a cell to make a given protein.

Now, researchers funded by the National Institute of Biomedical Imaging Bioengineerng have developed a system to capture and identify a scarce blood peptide (a fragment of an inflammatory protein) called P1 that can predict increased risk of preterm birth.

Many neuroscientists believe that a buildup in the brain of a protein fragment called beta - amyloid causes Alzheimer's disease.

To detect this sort of enzyme, the researchers designed nanoparticles coated with small protein fragments called peptides that can be cleaved by particular proteases called MMPs.

«The retraction states that Mignot and his colleagues were unable to replicate the results of the ELISpot assay, a widely used method for measuring how immune system cells such as T cells respond to fragments of foreign proteins, called antigens,» Underwood writes.

The researchers have identified the following mechanism: L. pneumophila establishes transient, highly dynamic contacts with host mitochondria and secretes an enzyme called MitF that modifies the shape of the mitochondria by inducing DNM1L (a host protein that is necessary for fragmenting mitochondria) depended mitochondrial fragmentation.

But in May, Schweitzer, of North Carolina State University, replicated the results and also announced a bigger find: a collection of even larger protein fragments from an 80 - million - year - old duck - billed dinosaur called Brachylophosaurus canadensis.

Vasculostatin is somewhat unique because it is a secreted fragment of a membrane - bound protein, called BAI1.

A fragment of one of the proteins that cancer cells use to exert the clotting effect, called TFPI2, could be used to antagonize blood clotting  therapeutically, they write in Cancer Research. The findings could also have implications for understanding the effects of current medications, such as the angiogenesis inhibitor bevacizumab, also known as Avastin.

Beta amyloid is a fragment of a protein snipped from another protein called amyloid precursor protein (APP).

This visualization shows tightly - packed DNA in a mouse cell's nucleus at different stages of development, seen here in a semi-triangular form as a mature nerve cell; in a roundish shape as a multipotent stem cell; in a more oval form as a neuronal progenitor; and as a more fragmented structure that shows how removing a specialized binding protein (HP1β knockout) affects the structure of the DNA - packing material, called heterochromatin, in a mature neuron.

In recent years, scientists made the surprising discovery that seminal fluid harbors fragments of proteins that clump together, forming structures called amyloid fibrils.

The approach developed by the MGH team starts with the engineered protein, which in this case fuses an antibody fragment targeting a protein called mesothelin — expressed on the surface of such tumors as mesothelioma, ovarian cancer and pancreatic cancer — to a protein from the tuberculosis bacteria that stimulates the activity of dendritic and other immune cells.

These pathogen bits, usually composed of protein or fragments or sugars, are called «epitopes.»

In some cases, when fermentation changes the digestibility of protein in soy foods (and in other foods as well), smaller protein fragments are created (called peptides) that have unique health supportive properties of their own.

Some proteins or fragments of proteins are resistant to digestion and those that are not broken down in the digestive process are tagged by an antibody called Immunoglobulin E (IgE).

These benefits are related to the presence of small protein fragments — called peptides — that may get formed during the cooking process when proteins in the tuna get broken down.