Sentences with phrase «white cells called»

However, if a viral infection begins to take hold we fight back using a more powerful defence of white cells called T and B lymphocytes.

Not exact matches

One of the types of cells called into action are T lymphocytes, a type of white blood cell that fights infection.
But in the following hours and days, the body's self - defense mechanisms backfire: White blood cells come in to clean up dead tissue, which causes massive inflammation, which in turn triggers healthy cells in the surrounding tissue to self - destruct in a process called apoptosis.
In APL, immature white blood cells called promyelocytes increase in abnormal numbers and accumulate in the bone marrow.
When your child contracts an infection, his body responds by manufacturing additional white blood cells called Leucocytes.
One of these tools is a type of white blood cell called an eosinophil.
This is a well - known phenomena called «digestive leukocytosis», in which there is a rise in the number of leukocytes — white blood cells — after eating.
The blue - green water on the right, off the west coast of Alaska, represents a bloom of coccolithophores, a single - celled species known for its white calcium carbonate plates, called coccoliths.
And unlike current flu vaccines, the new version also fuels a strong reaction from disease - fighting white blood cells called T cells.
It involves counting white blood cells called mast cells in and around the edges of a wound, which appear to vanish as healing begins.
A neuron called a pyramidal cell, for instance, has a bushy branch of dendrites (orange in 3 - D computer reconstruction, above) reaching up from its cell body (white circle).
«We found that a protein expressed by gut bacteria called Bacteroides works to prevent IBD by rapidly recruiting white blood cells to kill a cell of the immune system that is responsible for orchestrating IBD,» says McCoy.
This is how treatments based on a type of white blood cell called T - cells are curing some cancers, rather than just slowing their advance (see «Cancer meets its nemesis in reprogrammed blood cells «-RRB-.
Robyn Biti, Graeme Stewart of Westmead Hospital in Sydney, Australia, and colleagues report that they have found an HIV - infected homosexual man whose white blood cells contain a defective copy of a critical surface protein, called CCR5, that the virus uses to gain entry into the cells.
That honor goes to Swiss biochemist Friedrich Miescher, who in 1869 found the molecule in the nuclei of white blood cells and called it nuclein.
Besides docking to white blood cell receptors called CD4, the scientists found that HIV also enters cells via receptors — such as CCR5 — normally reserved for immune messengers called chemokines.
In further test tube experiments, the researchers treated the immortalized white blood cells with both chemical and genetic blockers, called small interfering RNA (siRNA), designed to render either p70S6K or GRB10 nonfunctional.
The most common adverse side effects were lymphopenia (a condition of abnormally low levels of white blood cells called lymphocytes), neutropenia, blood platelet deficiency, and infection.
Phagocytosis is a process by which white blood cells called macrophages digest cellular debris and foreign bodies and particles.
White blood cells called T - cells tend to attack a wider range of invaders than antibodies.
The enzyme is produced by white blood cells called neutrophils, which play an important role in inflammatory and immune responses and may be a key contributor to the development of muscular dystrophy.
He determined that a compound produced by the mold, which he called penicillin, could kill pathogenic bacteria but not white blood cells or human tissue.
Supported by 18 other cell biology experts, he drafted a widely distributed «white paper» calling for an end to contamination.
They hit upon a small organic compound called SB 247464 that stimulated the growth of mouse white blood cells in culture and in living mice.
«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.
Lymphoma is a type of blood cancer that affects the white blood cellscalled lymphocytes — that help protect the body from infection.
This process helps to form both a bacteria - killing NET — which is comprised of infection - combatting white blood cells called neutrophils — and the fluffy, scattered ball that comprises a blood clot.
In a related paper published online today in Nature Biotechnology, Konrad Hochedlinger of the Harvard Stem Cell Institute in Cambridge and his colleagues compared the gene expression patterns in mouse iPS cells derived from white blood cells, muscle precursor cells, immune system cells called B cells, and fibroblasts taken from tail tips.
In another experiment, the research team transferred infection - combatting white blood cellscalled neutrophils — from normal mice to genetically mutated mice.
The most striking abnormalities were a markedly elevated white blood cell count of 28,500 per cubic milliliter (the normal level is about 5,000 to 10,000) and what is called a shift to the left, which refers to a large increase in the number of mature and immature granulocytes, cells that increase in number when an acute infection must be fought off.
The challenge is to reprogram the energy storing white fat cells into so - called «brite» (brown - in - white) fat cells in the body's white adipose tissue and thus make adipose tissue burn off excess energy as heat instead of storing it.
The study involved 23 patients with relapsed or treatment - resistant HL, a cancer of white blood cells called lymphocytes.
During the initial stages of HIV infection, often within hours, the virus infects a type of white blood cell called CD4 T cells.
Kan has not yet grown the iPSCs into the specific type of white blood cellscalled CD4 + T - cells — that are ravaged by HIV.
Attacking its victim's white blood cells, E. chaffeensis causes a disease called ehrlichiosis, characterized by fever, malaise, body aches, and, if left untreated, organ failure.
Heart tissue from that individual revealed infiltration of white blood cells called eosinophils.
Kipnis and his colleagues had previously shown that a type of white blood cell called a T cell (shown above) in the meninges is associated with significant influence on cognition and hence were curious about the role of meningeal immunity on brain function.
It is a fast - growing cancer that starts in white blood cells called B cells, and it is often successfully treated with chemotherapy.
In 1863 the prominent German pathologist Rudolf Virchow noted the presence of so - called lymphoreticular infiltrate (white blood cells) in malignant tissue.
(This report, which Harvard biologist Eggan calls the «Human Embryonic Stem Cell Misinformation Packet,» prompted a corrective letter from Harvard biologists, who claimed that the White House misrepresented their research for political reasons.)
The biochemical on - off switch for asthma lurks within what are called T - helper cells, specialized white blood cells that marshal other kinds of T cells to combat invaders.
In a new report appearing in the November 2016 issue of the Journal of Leukocyte Biology, scientists show that nicotine activates certain white blood cells, called neutrophils, which in turn release molecules that lead to increased inflammation.
There are three different types of fat cells: white fat cells, which store energy; brown fat cells, which expend energy; and the so - called «beige» fat cells, which are functionally related to brown cells while being located in typically white - fat depots.
In the new paper, Kajimura's team collaborated with the laboratory of Yasushi Ishihama, PhD, of the University of Kyoto, Japan, to search for differences in how white and brown fat cells respond to the cold using a technique called phosphoproteomics.
The study shows that activating the bile acid receptor TGR5 with molecules that mimic the action of bile acids (so called «mimetics») induces a remodeling of white fat cells into beige fat cells.
IL - 17 attracted other immune cells called neutrophils — the most abundant type of white blood cell — to the conjunctiva and induced the release of anti-microbial proteins into the tears.
They looked at white blood cells called monocytes, a major cell type involved in rheumatoid arthritis, and found that those cells behaved differently in one group than in the other.
In yet another approach, researchers could modify specific white blood cells (called T - cells) to see and target pancreatic cancer cells, although this therapy could attack healthy cells, too.
Fibrin is an insoluble protein produced by platelets (fragments of white blood cells) from a soluble protein called fibrinogen normally present in blood.
Non-Hodgkin lymphomas are cancers that affect white blood cells of the immune system called B - lymphocytes or B cells.
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