Sentences with phrase «by invading cells»

Not exact matches

If the pathogen or parasite gets by these immune cells, it may successfully invade the mosquito salivary glands.

She lived in a small village in Pakistan that was invaded by the Taliban, and at age 11 she utilized a cell phone to call a BBC reporter who wrote up a blog that would bring awareness to unknown atrocities being committed in her area, the Swat Valley.

«These attacks have grown in magnitude and they include attacks on security services, we have incidents where military officers have been lynched by mobs, we have instances where these vigilante groups calling themselves variously; Invisible forces, Delta forces, etc. invade police stations, break into cells and release suspects because they claim the NPP members are immune to any form of arrest in other words, they are living above the law because they happen to be members of a party living in power», he said.

The new findings also showed that activation of the AIM2 inflammasome by the DNA virus cytomegalovirus does not involve IRF1, suggesting that the DNA of the invading microbes is presented to the cell in different ways.

Dr Claudia Wellbrock, study author and Cancer Research UK scientist at The University of Manchester and a member of the Manchester Cancer Research Centre, said: «We used to think that cancer cells spread by first specialising in invading other parts of the body and then change in order to grow rapidly.

The cancer cell does so by forming short - lived invadopodia — foot - like protrusions these cells use to invade.

Mutualistic bacteria start out by invading animal cells just like malevolent disease - causing bacteria do.

The virus appears to invade the brain by infecting a type of glial cell called olfactory ensheathing cells (OECs), which nourish smell - sensing neurons and guide them from the olfactory bulb to their targets in the nervous system.

But a study published by Cell Press March 3rd in Cell Metabolism reveals that dietary salt could have a biological advantage: defending the body against invading microbes.

Many diseases are caused either by an invading pathogen or degradation of a cell's internal structure.

Affecting the central nervous system, it causes neonatal meningitis by multiplying in immune cells, such as macrophages, and then disseminating into the bloodstream to subsequently invade the blood - brain barrier.

More recently, however, researchers have suggested that macrophages — specialized immune cells that reside in the dermis — are attracted to the wound inflicted by the tattoo needle and gobble up the tattoo pigment just as they would normally engulf an invading pathogen or piece of a dying cell.

Glioblastoma is the most lethal form of primary brain tumor and leads to death in patients by invading the brain tissue in a process that allows single cells to move through normal brain tissue, which makes complete surgical removal of the tumor impossible.

U of G scientists have made a discovery that could reduce the spread of cancer by hindering a protein that binds cancer cells together and allows them to invade tissues.

As with innate immunity, the adaptive immune system — the T cells and antibodies produced by B cells that target specific molecules on invading cells — contributes to pathology or may also fight against it.

As more reports appear of a grim «post-antibiotic era» ushered in by the rise of drug - resistant bacteria, a new strategy for fighting infection is emerging that targets a patient's cells rather than those of the invading pathogens.

These cells can hone in on invading pathogens by chemotaxis, where they direct their motion in response to chemical stimuli.

The research suggests that reducing production of the protein, called myoferlin, affects cancer cells in two primary ways: by changing the activation of many genes involved in metastasis in favor of normal cell behavior, and by altering mechanical properties of cancer cells — including their shape and ability to invade — so they are more likely to remain nested together rather than breaking away to travel to other tissues.

Mammals keep iron out of reach of invading microbes by storing it in cells like macrophages — white blood cells which, among other things, normally «recycle» the iron from red blood cells back into the bloodstream.

HCV invades cells in the body by binding to specific receptors on the cell, enabling the virus to enter it.2 Once inside, HCV hijacks functions of the cell known as transcription, translation and replication, which enables HCV to make copies of its viral genome and proteins, allowing the virus to spread to other sites of the body.2 When HCV enters the host cell, it releases viral (+) RNA that is transcribed by viral RNA replicase into viral -LRB--) RNA, which can be used as a template for viral genome replication to produce more (+) RNA or for viral protein synthesis.

For several years, the research team from the Turku Centre for Biotechnology lead by Professor Johanna Ivaska has focused their efforts on understanding how cancer cells move and invade surrounding tissue.

Overriding the body's defenses by suppressing the signaling between key immune cells, plague races through the lymphatic system, invading organs such as the spleen, the lungs, and especially the liver.

The new technique, pioneered by Wilson and fellow researchers at the Emory University School of Medicine in Atlanta, saves time by using antibodies produced by so - called B cells (white blood cells that produce and then ferry them to infection sites to battle invading germs) in response to vaccines instead of to actual infections.

When some of our white blood cells detect viruses or other microbes that have invaded our bodies, they may alert other cells to the threat by spraying out some of their DNA.

«The current model of disease is that when Mtb bacteria are inhaled, they reach the end of the lung — the alveolus — and then are ingested by a macrophage, a type of white blood cell that swallows and kills invading bacteria,» Dr. Shiloh said.

Dark - brown T cells — a sign of immune rejection — invade tissue formed by iPS cells.

ANAHEIM, CALIFORNIA — Chronic myeloid leukemia (CML) cells invade the bone marrow and spleen by destroying healthy cells with a toxic protein, according to a new study.

Dr. Sloan said, «The enhancing edge and the invading tumor are driven by glioma stem cells (GSCs) dependent on the EZH2 pathway.

Only those possessing SGI1 were found to be more virulent, as measured by a dramatic increase in their ability to invade intestinal cells after exposure to protozoa.

Malaria is a life - threatening disease caused by a parasite that invades one red blood cell after another.

As part of the body's normal, healthy immune response to infection, the barrier formed by blood vessel cells temporarily loosens, allowing white blood cells to exit the bloodstream and attack the invading bacteria or virus, Rehman said.

When a new bacterium or virus invades the body, the immune system mounts an attack by sending in white blood cells called T - cells that are tailored to the molecular structure of that invader.

These CRISPR sequences act as a form of genomic memory that can be accessed to defend the cell when it is invaded by plasmids or phages that contain the recorded sequences.

We discovered that mouse mesenchymal stem cells (MSCs) can either fuse and form heterokaryons (cells with 2 nuclei) with mouse embryonic stem cells (ESCs) or can be invaded by ESCs through the entotic process (when one cell enters into another cell).

The microscope has been used to peer inside blood vessels being invaded by cancer cells and capture white blood cells while they chomp down on sugars inside a fish eyeball.

We found that Phytophthora palmivora can colonise the photosynthetic tissues of the liverwort Marchantia polymorpha by invading living cells.

Therapeutic benefit has been observed in tumors invaded by T - cells, the so - called inflamed, immunogenic, or «hot» tumors, however, immune approaches for non-inflamed or «cold» tumors remain an important unmet medical need.

For the first time, scientists know what happens to a virus» shape when it invades a host cell, thanks to an experiment by researchers at Penn State College of Medicine and University of Pittsburgh School of Medicine.

They believe the mutated gene causes cancer by triggering cytoskeleton malfunction, which allows the cancer cells to move more quickly than normal cells, essentially invading the surrounding healthy tissue.

We show that Olig2 + oligodendrocyte precursor - like glioma cells invade by single - cell vessel co-option and preserve the blood - brain barrier (BBB).

Invading controls and 25 and 75 µM kahweol - treated HUVEC cell count values are represented by using diamonds, squares and triangles, respectively.

Normally, T - cells protect us from infection by patrolling the body, seeking out specific protein signatures that indicate invading bacteria, viruses or cancer cells, and then rallying more T - cells together to attack the threat.

When the meninges, the membranes which cover the brain and the spinal cord, become invaded by leukemic cells.

However, the exact cytoskeletal strategy that the cell uses to cross the physical BM barrier depends on the physiological context and the physical environment, as observed by examining actin structures in invading cancer and immune cells, and in cells that invade during developmental processes such as angiogenesis and anchor cell invasion in Caenorhabditis elegans.

Molecular surgical tools, guided by molecular computers and injected into the blood stream could find and destroy cancer cells or invading bacteria, unclog arteries, or provide oxygen when the circulation is impaired.

Macrophages, from the Greek for «eating cells,» are white blood cells that act as cellular scavengers by ingesting dying and invading bacterial cells, but they recognize and refuse to eat their own kind.

Weak immune system Aerobic workouts are a natural cold - fighter, coaxing immune cells out of body tissues and into the bloodstream, where they attack invading viruses and bacteria, explains David Nieman, DrPH, a professor at Appalachian State University, whose research shows that five days of cardio a week reduced sick days by 43 percent.

At normal to low levels, ROS and RNS are necessary for the immune system — they are released by innate immune cell macrophages to destroy invading pathogens, and they act as innate system messengers, warning of incoming invaders.

APS (also known as astragalus polysaccharide) has been shown to activate the immune system by enhancing the transformation of T lymphocytes (a sub-type of white blood cells, crucial in the regulation of immune responses), as well as the activation of B lymphocytes (which produce antibodies that are used to attack invading bacteria, viruses, and toxins) and dendritic cells, which trigger immune reactions to toxins.

The main role of SIgA is to defend the surfaces of the digestive system and other systems coated in mucous and to prevent these potential toxic substances from biding to cell surfaces, becoming absorbed by cells lining the mouth, throat, lungs, urethra, vagina and intestines, and ultimately invading the body.